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multigranja/apps/core/admin.py

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+from django.contrib import admin
+
+# Register your models here.

multigranja/apps/core/apps.py

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+from django.apps import AppConfig
+
+
+class CoreConfig(AppConfig):
+    name = 'core'

multigranja/apps/core/context_processors.py

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+from entities.models import Farm
+
+# Injects the selected farm and the list of farms into the template context for authenticated users.
+def selected_farm_processor(request):
+    selected_farm = None
+    farms = None
+    
+    if request.user.is_authenticated:
+        farms = request.user.farms.only("id", "name")
+
+        farm_id = request.session.get('selected_farm_id')
+        
+        if farm_id:
+            try:
+                selected_farm = farms.get(id=farm_id)
+            except Farm.DoesNotExist:
+                request.session.pop('selected_farm_id', None)
+
+    return {
+        'SELECTED_FARM': selected_farm,
+        'farms': farms
+    }

multigranja/apps/core/decorators.py

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+from django.shortcuts import redirect
+from django.urls import reverse
+from functools import wraps
+
+FARM_SELECT_URL = 'entities:user:farm_select' 
+
+def farm_required(view_func):
+    """
+    Decorator that ensures the user has a farm selected in the session.
+    If there isn't one, it redirects to the farm selection screen.
+    """
+    @wraps(view_func)
+    def wrapper(request, *args, **kwargs):
+        if 'selected_farm_id' not in request.session:
+            return redirect(reverse(FARM_SELECT_URL)) 
+        return view_func(request, *args, **kwargs)
+        
+    return wrapper

multigranja/apps/core/middlewares.py

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+from django.shortcuts import redirect
+from django.conf import settings
+
+# Forces the user to be logged in the system
+# A URL whitelist can be found in the settings.py file
+class LoginRequiredMiddleware:
+    def __init__(self, get_response):
+        self.get_response = get_response
+        self.exempt_paths = getattr(settings, 'LOGIN_EXEMPT_PATHS', [])
+        self.exempt_prefixes = getattr(settings, 'LOGIN_EXEMPT_PREFIX', [])
+
+    def __call__(self, request):
+        path = request.path_info
+
+        if any(path.startswith(prefix) for prefix in self.exempt_prefixes):
+            return self.get_response(request)
+
+        if path in self.exempt_paths:
+            return self.get_response(request)
+
+        if not request.user.is_authenticated:
+            return redirect(settings.LOGIN_URL)
+
+        return self.get_response(request)

multigranja/apps/core/models.py

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+from django.db import models
+
+# Create your models here.

multigranja/apps/core/templates/base.html

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+{% load static %}
+<!DOCTYPE html>
+<html lang="pt-br">
+<head>
+    <meta charset="UTF-8">
+    <title>{{ title }}</title>
+    
+    <link rel="shortcut icon" href="{% static 'img/favicon/favicon.ico' %}" type="image/x-icon">
+
+    <link rel="stylesheet" href="{% static 'css/base/reset.css' %}">
+    <link rel="stylesheet" href="{% static 'css/base/variables.css' %}">
+    <link rel="stylesheet" href="{% static 'css/layout/global.css' %}"> 
+    <link rel="stylesheet" href="{% static 'css/layout/buttons.css' %}">
+    
+    <!-- Importing Font Awesome -->
+    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/7.0.1/css/all.min.css" integrity="sha512-2SwdPD6INVrV/lHTZbO2nodKhrnDdJK9/kg2XD1r9uGqPo1cUbujc+IYdlYdEErWNu69gVcYgdxlmVmzTWnetw==" crossorigin="anonymous" referrerpolicy="no-referrer" />
+    
+    {% block extra_css %}{% endblock %}
+</head>
+<body>
+    {% include 'includes/_sidebar.html' %} 
+    {% include 'includes/_navbar.html' %} 
+    
+    <div class="main-content">
+        {% block content %}{% endblock %}
+    </div>
+</body>
+    <script src="{% static 'js/main.js' %}"></script>
+</html>

multigranja/apps/core/templates/entity_home.html

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+{% extends 'base.html' %}
+{% load static %}
+
+{% block extra_css %}
+    <link rel="stylesheet" href="{% static 'css/layout/entity_home.css' %}"> 
+{% endblock %}
+
+{% block content %}
+    <div class="entity_title">
+        <h1>{{entity_name}}</h1>
+        <form method="GET" action="{{entity_home_url}}" class="form_entity_search">
+            {% if filter_query %}
+                <a href="{{entity_home_url}}" class="btn-clear-filter">{{filter_query}}<i class="fa-solid fa-xmark"></i></a>
+            {% endif %}
+            <label for="entity_search">Buscar</label>
+            <input type="text" name="entity_search" required>
+            <button type="submit"><i class="fa-solid fa-magnifying-glass"></i></button>
+        </form>
+        <a href="{{entity_new_url}}">Novo <i class="fa-solid fa-plus"></i></a>
+    </div>
+    {% if not entities %}
+        <p>Nenhum registro encontrado.</p>
+    {% else %}
+        <table>
+            <tr>
+                <th>Identificador</th>
+                <th>Idade</th>
+                <th>Peso</th>
+                <th>Editar</th>
+                <th>Excluir</th>
+            </tr>
+            {% for entity in entities %}
+            <tr>
+                <td>{{ animal.identifier }}</td>
+                <td>{{ animal.age }}</td>
+                <td>{{ animal.weight }} Kg</td>
+                <td><a href="{% url 'entities:animal:animal_update' animal.id %}"><i class="fa-solid fa-pen-to-square"></i></a></td>
+                <td>
+                    <form method="POST" action="{% url 'entities:animal:animal_delete' animal.id %}">
+                        {% csrf_token %}
+                        <button type="submit" class="btn-icon-trash"><i class="fa-solid fa-trash"></i></button>
+                    </form>
+                </td>
+            </tr>
+            {% endfor %}
+        </table>
+    {% endif %}
+{% endblock %}

multigranja/apps/core/templates/farm_select.html

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+{% load static %}
+<!DOCTYPE html>
+<html lang="pt-br">
+<head>
+    <meta charset="UTF-8">
+    <title>Seleção de Fazenda</title> 
+    
+    <link rel="shortcut icon" href="{% static 'img/favicon/favicon.ico' %}" type="image/x-icon">
+
+    <link rel="stylesheet" href="{% static 'css/base/reset.css' %}">
+    <link rel="stylesheet" href="{% static 'css/base/variables.css' %}">
+    <link rel="stylesheet" href="{% static 'css/layout/global.css' %}"> 
+    <link rel="stylesheet" href="{% static 'css/layout/buttons.css' %}">
+    <link rel="stylesheet" href="{% static 'user/css/farm_select.css' %}">
+
+    <!-- Importing Font Awesome -->
+    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/7.0.1/css/all.min.css" integrity="sha512-2SwdPD6INVrV/lHTZbO2nodKhrnDdJK9/kg2XD1r9uGqPo1cUbujc+IYdlYdEErWNu69gVcYgdxlmVmzTWnetw==" crossorigin="anonymous" referrerpolicy="no-referrer" />
+
+</head>
+<body>
+    <nav class="farm-select-navbar">
+        <div class="navbar-brand">
+            MultiFarm
+        </div>
+        <div class="navbar-user-info">
+            <span class="username">Olá, {{ request.user.short_name }}</span>
+            <a href="{% url 'entities:user:user_logout' %}"><i class="fa-solid fa-right-from-bracket"></i></a>
+        </div>
+    </nav>
+
+    <div class="farm-select-container">
+        <h1>Selecione sua fazenda</h1>
+
+        {% if farms %}
+            <ul class="farm-list">
+                {% for farm in farms %}
+                    <li>
+                        <a href="{% url 'entities:user:farm_set' farm_id=farm.id %}" class="farm-button">
+                            <div class="farm-item">
+                                <h3 class="farm-name">{{ farm.name }}</h3>
+                                <p class="farm-description">
+                                    <span class="total-area">Área total: {{ farm.total_area }}m²</span>
+                                    <span class="count-piquetes">Piquetes: {{ farm.total_paddocks }}</span>
+                                    <span class="count-animais">Animais: {{ farm.total_animals }}</span>
+                                </p>
+                            </div>
+                        </a>
+                    </li>
+                {% endfor %}
+            </ul>
+        {% else %}
+            <div class="no-farms">
+                <p>Nenhuma fazenda encontrada</p>
+                <p><a href="#"><i class="fa-solid fa-plus"></i> Criar nova fazenda</a></p>
+            </div>
+        {% endif %}
+    </div>
+</body>
+</html>

multigranja/apps/core/templates/includes/_form.html

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+<form method="POST" action="{{ action_url }}">
+    {% csrf_token %}
+    {{ form }}
+    <button class="btn-primary" type="submit">Salvar</button>
+    <a href="{{ return_url }}" class="btn-simple">Cancelar</a>
+</form>

multigranja/apps/core/templates/includes/_navbar.html

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+<nav class="navbar">
+  <div class="w33">
+    <i class="fa-solid fa-bars" id="sidebar-toggle"></i>
+  </div>
+
+  {% comment %} <div class="navbar-farm-selector w33">
+    <span class="farm-name"><i class="fa-regular fa-circle-check"></i> {{ SELECTED_FARM.name }}</span>
+    <a href="{% url 'entities:user:farm_deselect' %}" class="btn-simple">Alterar</a>
+  </div> {% endcomment %}
+
+  <form method="post" action="{% url 'entities:user:farm_set_post' %}" class="navbar-farm-selector w33">
+    {% csrf_token %}
+    <input type="hidden" name="next" value="{{ request.get_full_path }}">
+    <select name="farm_id" onchange="this.form.submit()">
+        {% for farm in farms %}
+            <option value="{{ farm.id }}" {% if farm.id == SELECTED_FARM.id %}selected{% endif %}>
+                {{ farm.name }}
+            </option>
+        {% endfor %}
+    </select>
+  </form>
+
+  <div class="navbar-user-info w33">
+    <span class="username">Olá, {{ request.user.short_name }}</span>
+    <a href="{% url 'entities:user:farm_deselect' %}"><i class="fa-solid fa-user-pen"></i></a>
+    <a href="{% url 'entities:user:user_logout' %}"><i class="fa-solid fa-right-from-bracket"></i></a>
+  </div>
+</nav>

multigranja/apps/core/templates/includes/_sidebar.html

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+<aside class="sidebar">
+  <div class="sidebar-brand">
+    <a href="{% url 'entities:farm:farm_home' %}">MultiFarm</a>
+  </div>
+
+  <ul class="sidebar-menu">
+    <li class="sidebar-header">ACOMPANHAMENTO</li>
+
+    <li class="{% if request.resolver_match.url_name != 'report' %}highlight-hover{% endif %}">
+      <a href="{% url 'entities:farm:farm_home' %}" class="sidebar-link {% if request.resolver_match.url_name == 'report' %}active{% endif %}"><i class="fa-solid fa-chart-pie"></i> Relatórios</a>
+    </li>
+
+    <li class="sidebar-header">REGISTROS</li>
+
+    <li class="{% if request.resolver_match.url_name not in 'rotation_home, rotation_new, rotation_delete' %}highlight-hover{% endif %}">
+      <a href="{% url 'entities:rotation:rotation_home' %}" class="sidebar-link {% if request.resolver_match.url_name in 'rotation_home, rotation_new, rotation_delete' %}active{% endif %}"><i class="fa-solid fa-arrows-spin"></i> Movimentações</a>
+    </li>
+
+    <li class="sidebar-header">CADASTROS</li>
+
+    <li class="{% if request.resolver_match.url_name not in 'animal_home, animal_new, animal_update, animal_delete' %}highlight-hover{% endif %}">
+      <a href="{% url 'entities:animal:animal_home' %}" class="sidebar-link {% if request.resolver_match.url_name in 'animal_home, animal_new, animal_update, animal_delete' %}active{% endif %}"><i class="fa-solid fa-cow"></i> Animais</a>
+    </li>
+
+    <li class="{% if request.resolver_match.url_name not in 'batch_home, batch_new, batch_update, batch_delete' %}highlight-hover{% endif %}">
+      <a href="{% url 'entities:animal:batch_home' %}" class="sidebar-link {% if request.resolver_match.url_name in 'batch_home, batch_new, batch_update, batch_delete' %}active{% endif %}"><i class="fa-solid fa-layer-group"></i> Lotes</a>
+    </li>
+
+    <li class="{% if request.resolver_match.url_name not in 'paddock_home, paddock_new, paddock_update, paddock_delete' %}highlight-hover{% endif %}">
+      <a href="{% url 'entities:farm:paddock_home' %}" class="sidebar-link {% if request.resolver_match.url_name in 'paddock_home, paddock_new, paddock_update, paddock_delete' %}active{% endif %}"><i class="fa-solid fa-leaf"></i> Piquetes</a>
+    </li>
+
+    <li class="{% if request.resolver_match.url_name not in 'paddock_group_home, paddock_group_new, paddock_group_update, paddock_group_delete' %}highlight-hover{% endif %}">
+      <a href="{% url 'entities:farm:paddock_group_home' %}" class="sidebar-link {% if request.resolver_match.url_name in 'paddock_group_home, paddock_group_new, paddock_group_update, paddock_group_delete' %}active{% endif %}"><i class="fa-solid fa-layer-group"></i> Blocos</a>
+    </li>
+    
+    <li class="sidebar-header">CONFIGURAÇÔES</li>
+
+    <li class="{% if request.resolver_match.url_name not in 'farm_home, farm_new, farm_update, farm_delete' %}highlight-hover{% endif %}">
+      <a href="{% url 'entities:farm:farm_home' %}" class="sidebar-link {% if request.resolver_match.url_name in 'farm_home, farm_new, farm_update, farm_delete' %}active{% endif %}"><i class="fa-solid fa-gear"></i> Fazenda</a>
+    </li>
+    {% if user.is_staff or user.is_superuser %}
+    <li class="{% if request.resolver_match.url_name not in 'admin' %}highlight-hover{% endif %}">
+      <a href="{% url 'admin:index' %}" class="sidebar-link"><i class="fa-solid fa-user-tie"></i> Painel Administrativo</a>
+    </li>
+    {% endif %}
+  </ul>
+</aside>

multigranja/apps/core/templates/login.html

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+{% load static %}
+<!DOCTYPE html>
+<html lang="pt-br">
+<head>
+    <meta charset="UTF-8">
+    <title>Login</title>
+    
+    <link rel="shortcut icon" href="{% static 'img/favicon/favicon.ico' %}" type="image/x-icon">
+
+    <link rel="stylesheet" href="{% static 'css/base/reset.css' %}">
+    <link rel="stylesheet" href="{% static 'css/base/variables.css' %}">
+    <link rel="stylesheet" href="{% static 'css/layout/global.css' %}"> 
+    <link rel="stylesheet" href="{% static 'css/layout/buttons.css' %}">
+    <link rel="stylesheet" href="{% static 'user/css/login.css' %}">
+    
+    <!-- Importing Font Awesome -->
+    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/7.0.1/css/all.min.css" integrity="sha512-2SwdPD6INVrV/lHTZbO2nodKhrnDdJK9/kg2XD1r9uGqPo1cUbujc+IYdlYdEErWNu69gVcYgdxlmVmzTWnetw==" crossorigin="anonymous" referrerpolicy="no-referrer" />
+    
+</head>
+<body>
+    <div class="login-container">
+        <div class="ilustration-container">
+            <h1>Multifarm pastoreio</h1>
+        </div>
+        <div class="login-form-container">
+            <h1>Login</h1>
+            <form method="POST" action="{% url 'entities:user:user_login' %}">
+                {% csrf_token %}
+                {{ form }}
+                {% if fail_login %}
+                    <p class="login-fail"><i class="fa-solid fa-circle-exclamation"></i> Login ou senha incorretos</p>
+                {% endif %}
+                <button type="submit">Entrar <i class="fa-solid fa-right-to-bracket"></i></button>
+                <p>Não possui cadastro? <a href="{% url 'entities:user:user_signin' %}">Solicite acesso</a>.</p>
+            </form>
+        </div>
+    </div>
+</body>
+</html>

multigranja/apps/core/tests.py

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+from django.test import TestCase
+
+# Create your tests here.

multigranja/apps/core/views.py

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+from django.shortcuts import render
+
+# Create your views here.

multigranja/apps/entities/admin.py

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+from django.contrib import admin
+
+from .models.user import User
+from .models.farm import Farm, PaddockGroup, Paddock
+from .models.animal import Animal, Batch, BatchAnimal, FeedingRecord
+from .models.rotation import Rotation
+
+admin.site.register([
+    User,
+    Farm,
+    PaddockGroup,
+    Paddock,
+    Animal,
+    Batch,
+    BatchAnimal,
+    FeedingRecord,
+    Rotation,
+])

multigranja/apps/entities/apps.py

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+from django.apps import AppConfig
+
+
+class EntitiesConfig(AppConfig):
+    name = 'entities'

multigranja/apps/entities/forms/__init__.py

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+from .animal import *
+from .farm import *
+from .rotation import *
+from .user import *

multigranja/apps/entities/forms/animal.py

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+from django import forms
+from ..models.animal import Batch, Animal
+
+class AnimalCreateForm(forms.ModelForm):
+    class Meta:
+        model = Animal
+        fields = ['identifier', 'birth', 'weight']
+
+        labels = {
+            'identifier': 'Identificador',
+            'birth': 'Data de Nascimento',
+            'weight': 'Peso (kg)',
+        }
+
+        widgets = {
+            'birth': forms.DateInput(attrs={'type': 'date'}, format='%Y-%m-%d'),
+            'weight': forms.NumberInput(attrs={'step': '0.01'})
+        }
+
+class AnimalEditForm(forms.ModelForm):
+    class Meta:
+        model = Animal
+        fields = ['identifier', 'weight']
+
+        labels = {
+            'identifier': 'Identificador',
+            'weight': 'Peso (kg)',
+        }
+
+        widgets = {
+            'weight': forms.NumberInput(attrs={'step': '0.01'})
+        }
+
+class BatchForm(forms.ModelForm):
+    class Meta:
+        model = Batch
+        fields = ['identifier', 'animal_category', 'batch_type', 'animals']
+
+        labels = {
+            'identifier': 'Identificador',
+            'animal_category': 'Categoria animal',
+            'batch_type': 'Tipo',
+            'animals': 'Animais',
+        }
+BatchCreateForm = BatchEditForm = BatchForm # Alias to BatchForm since its implementations are the same

multigranja/apps/entities/forms/farm.py

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+from django import forms
+from ..models import Farm, PaddockGroup, Paddock
+
+class FarmForm(forms.ModelForm):
+    class Meta:
+        model = Farm
+        fields = ['name', 'total_area']
+
+        labels = {
+            'name': 'Nome',
+            'total_area': 'Área total',
+        }
+FarmCreateForm = FarmEditForm = FarmForm # Alias since its implementations are the same
+
+class PaddockGroupForm(forms.ModelForm):
+    class Meta:
+        model = PaddockGroup
+        fields = ['identifier', 'description']
+
+        labels = {
+            'identifier': 'Identificador',
+            'description': 'Descrição',
+        }
+PaddockGroupCreateForm = PaddockGroupEditForm = PaddockGroupForm
+
+class PaddockForm(forms.ModelForm):
+    class Meta:
+        model = Paddock
+        fields = ['paddock_number', 'area', 'load_capacity', 'paddock_group']
+
+        labels = {
+            'paddock_number': 'Número do piquete',
+            'area': 'Área',
+            'load_capacity': 'Lotação máxima',
+            'paddock_group': 'Bloco',
+        }
+PaddockCreateForm = PaddockEditForm = PaddockForm

multigranja/apps/entities/forms/rotation.py

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+from django import forms
+from ..models import Rotation
+
+class RotationEntryForm(forms.ModelForm):
+    class Meta:
+        model = Rotation
+        fields = ['batch', 'entry_height', 'paddock']
+
+        labels = {
+            'batch': 'Lote de animais',
+            'entry_height': 'Altura do pasto',
+            'paddock': 'Piquete',
+        }
+
+class RotationExitForm(forms.ModelForm):
+    class Meta:
+        model = Rotation
+        fields = ['batch', 'exit_height']
+
+        labels = {
+            'batch': 'Lote de animais',
+            'exit_height': 'Altura do pasto',
+        }

multigranja/apps/entities/forms/user.py

@@ -0,0 +1,35 @@
+from django import forms
+from ..models import User
+
+class UserCreateForm(forms.ModelForm):
+    class Meta:
+        model = User
+        fields = ['name', 'login', 'email',]
+
+        labels = {
+            'name': 'Nome',
+            'login': 'Login',
+            'email': 'E-mail',
+        }
+
+        widgets = {
+            'email': forms.EmailInput(),
+        }
+
+class UserEditForm(forms.ModelForm):
+    class Meta:
+        model = User
+        fields = ['name', 'email',]
+
+        labels = {
+            'name': 'Nome',
+            'email': 'E-mail',
+        }
+
+        widgets = {
+            'email': forms.EmailInput(),
+        }
+
+class UserLoginForm(forms.Form):
+    login = forms.CharField(max_length=45, label='Usuário')
+    password = forms.CharField(widget=forms.PasswordInput, label='Senha')

multigranja/apps/entities/migrations/0001_initial.py

@@ -0,0 +1,145 @@
+# Generated by Django 6.0.2 on 2026-02-28 19:45
+
+import django.db.models.deletion
+import django.utils.timezone
+import entities.models.user
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('auth', '0012_alter_user_first_name_max_length'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Animal',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('is_active', models.BooleanField(default=True)),
+                ('identifier', models.CharField(max_length=45)),
+                ('birth', models.DateField()),
+                ('weight', models.DecimalField(decimal_places=2, max_digits=10)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Batch',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('is_active', models.BooleanField(default=True)),
+                ('identifier', models.CharField(max_length=45)),
+                ('animal_category', models.CharField(blank=True, max_length=45, null=True)),
+                ('batch_type', models.CharField(blank=True, max_length=45, null=True)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Farm',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('is_active', models.BooleanField(default=True)),
+                ('name', models.CharField(max_length=45)),
+                ('total_area', models.IntegerField(blank=True, null=True)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='PaddockGroup',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('is_active', models.BooleanField(default=True)),
+                ('identifier', models.CharField(max_length=45)),
+                ('description', models.TextField(blank=True, null=True)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='BatchAnimal',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('is_active', models.BooleanField(default=True)),
+                ('animal', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='entities.animal')),
+                ('batch', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='entities.batch')),
+            ],
+        ),
+        migrations.AddField(
+            model_name='batch',
+            name='animals',
+            field=models.ManyToManyField(related_name='batches', through='entities.BatchAnimal', to='entities.animal'),
+        ),
+        migrations.AddField(
+            model_name='animal',
+            name='farm',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='animals', to='entities.farm'),
+        ),
+        migrations.CreateModel(
+            name='User',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('password', models.CharField(max_length=128, verbose_name='password')),
+                ('name', models.CharField(max_length=45)),
+                ('login', models.CharField(max_length=45, unique=True)),
+                ('email', models.EmailField(max_length=254, unique=True)),
+                ('is_active', models.BooleanField(default=True)),
+                ('is_superuser', models.BooleanField(default=False)),
+                ('is_staff', models.BooleanField(default=False)),
+                ('date_joined', models.DateTimeField(default=django.utils.timezone.now)),
+                ('last_login', models.DateTimeField(blank=True, null=True)),
+                ('groups', models.ManyToManyField(blank=True, help_text='The groups this user belongs to. A user will get all permissions granted to each of their groups.', related_name='user_set', related_query_name='user', to='auth.group', verbose_name='groups')),
+                ('user_permissions', models.ManyToManyField(blank=True, help_text='Specific permissions for this user.', related_name='user_set', related_query_name='user', to='auth.permission', verbose_name='user permissions')),
+                ('farms', models.ManyToManyField(related_name='users', to='entities.farm')),
+            ],
+            options={
+                'verbose_name': 'User',
+                'verbose_name_plural': 'Users',
+            },
+            managers=[
+                ('objects', entities.models.user.CustomUserManager()),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Paddock',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('is_active', models.BooleanField(default=True)),
+                ('paddock_number', models.IntegerField()),
+                ('area', models.DecimalField(blank=True, decimal_places=2, max_digits=10, null=True)),
+                ('load_capacity', models.IntegerField(blank=True, null=True)),
+                ('occupied', models.BooleanField(default=False)),
+                ('farm', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='paddocks', to='entities.farm')),
+                ('paddock_group', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='paddocks', to='entities.paddockgroup')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Rotation',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('is_active', models.BooleanField(default=True)),
+                ('entry_date', models.DateTimeField()),
+                ('entry_height', models.DecimalField(decimal_places=2, max_digits=10)),
+                ('exit_date', models.DateTimeField(blank=True, null=True)),
+                ('exit_height', models.DecimalField(blank=True, decimal_places=2, max_digits=10, null=True)),
+                ('animal_count', models.IntegerField()),
+                ('livestock_unit', models.DecimalField(decimal_places=2, max_digits=10)),
+                ('batch', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='rotations', to='entities.batch')),
+                ('paddock', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='rotations', to='entities.paddock')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='FeedingRecord',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('feed_quantity', models.DecimalField(decimal_places=2, max_digits=10)),
+                ('animal', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='feeding_record', to='entities.animal')),
+                ('rotation', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='feeding_record', to='entities.rotation')),
+            ],
+        ),
+        migrations.AddConstraint(
+            model_name='batchanimal',
+            constraint=models.UniqueConstraint(condition=models.Q(('is_active', True)), fields=('animal',), name='unique_active_animal_batch_link'),
+        ),
+        migrations.AddConstraint(
+            model_name='animal',
+            constraint=models.UniqueConstraint(condition=models.Q(('is_active', True)), fields=('identifier', 'farm'), name='unique_active_farm_animal'),
+        ),
+    ]

multigranja/apps/entities/models/__init__.py

@@ -0,0 +1,4 @@
+from .user import *
+from .farm import *
+from .animal import *
+from .rotation import *

multigranja/apps/entities/models/animal.py

@@ -0,0 +1,103 @@
+from datetime import date
+from django.db import models
+from django.db.models import Q
+
+class Animal(models.Model):
+    is_active = models.BooleanField(default=True)
+    identifier = models.CharField(max_length=45)
+    birth = models.DateField()
+    weight = models.DecimalField(max_digits=10, decimal_places=2)
+    farm = models.ForeignKey('entities.Farm', on_delete=models.CASCADE, related_name='animals')
+
+    def __str__(self):
+        return f"Animal {self.identifier} - birth {self.birth} - weight {self.weight} - farm {self.farm} - is_active {self.is_active}"
+    
+    @property
+    def age(self):
+        today = date.today()
+        birth_date = self.birth
+
+        years = today.year - birth_date.year
+        months = today.month - birth_date.month
+        
+        if today.day < birth_date.day:
+            months -= 1
+
+        if months < 0:
+            months += 12
+            years -= 1
+            
+        if years > 0 and months > 0:
+            return f"{years} anos e {months} meses" # YYYY years and MM months
+        elif years > 0:
+            return f"{years} anos" # YYYY years
+        elif months > 0:
+            return f"{months} meses" # MM months
+        else:
+            return "Menos de um mês" # Less than a month
+    
+    class Meta:
+        constraints = [
+            models.UniqueConstraint(
+                fields=['identifier', 'farm'], 
+                condition=Q(is_active=True), 
+                name='unique_active_farm_animal'
+            )
+        ]
+
+class Batch(models.Model):
+    is_active = models.BooleanField(default=True)
+    identifier = models.CharField(max_length=45)
+    animal_category = models.CharField(max_length=45, null=True, blank=True)
+    batch_type = models.CharField(max_length=45, null=True, blank=True)
+    animals = models.ManyToManyField(Animal, through='BatchAnimal', related_name='batches')
+    
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.__original_is_active = self.is_active
+
+    def save(self, *args, **kwargs):
+        super().save(*args, **kwargs)
+        
+        is_active_changed = self.__original_is_active != self.is_active
+        
+        if is_active_changed:
+            if self.is_active is False:                
+                self.batchanimal_set.all().update(is_active=False)
+            
+            elif self.is_active is True:                                        
+                self.batchanimal_set.all().update(is_active=True)
+    
+            self.__original_is_active = self.is_active
+
+    def __str__(self):
+        return self.identifier
+    
+class BatchAnimal(models.Model):
+    animal = models.ForeignKey(Animal, on_delete=models.CASCADE)
+    batch = models.ForeignKey(Batch, on_delete=models.CASCADE)
+
+    is_active = models.BooleanField(default=True) 
+
+    # When reactivating a batch, all its animals must not belong to any other active batch.
+    # Otherwise, the database will raise an IntegrityError due to the unique constraint on active animals.
+    # This is a rare use case, but any future code regarding it must implement error treatment
+    class Meta:
+        constraints = [
+            models.UniqueConstraint(
+                fields=['animal'],
+                condition=Q(is_active=True),
+                name='unique_active_animal_batch_link'
+            )
+        ]
+
+    def __str__(self):
+        return f"{self.animal.identifier} in {self.batch.identifier}"
+
+class FeedingRecord(models.Model):
+    animal = models.ForeignKey(Animal, on_delete=models.CASCADE, related_name='feeding_record')
+    rotation = models.ForeignKey('entities.Rotation', on_delete=models.CASCADE, related_name='feeding_record')
+    feed_quantity = models.DecimalField(max_digits=10, decimal_places=2)
+
+    def __str__(self):
+        return f"Consumo de {self.animal.identifier} - {self.feed_quantity} kg"

multigranja/apps/entities/models/farm.py

@@ -0,0 +1,30 @@
+from django.db import models
+
+class Farm(models.Model):
+    is_active = models.BooleanField(default=True)
+    name = models.CharField(max_length=45)
+    total_area = models.IntegerField(null=True, blank=True)
+
+    def __str__(self):
+        return self.name
+
+class PaddockGroup(models.Model):
+    is_active = models.BooleanField(default=True)
+    identifier = models.CharField(max_length=45)
+    description = models.TextField(null=True, blank=True)
+
+    def __str__(self):
+        return f"Bloco {self.id}"
+
+
+class Paddock(models.Model):
+    is_active = models.BooleanField(default=True)
+    paddock_number = models.IntegerField()
+    area = models.DecimalField(max_digits=10, decimal_places=2, null=True, blank=True)
+    load_capacity = models.IntegerField(null=True, blank=True)
+    occupied = models.BooleanField(default=False)
+    farm = models.ForeignKey(Farm, on_delete=models.CASCADE, related_name='paddocks')
+    paddock_group = models.ForeignKey(PaddockGroup, on_delete=models.SET_NULL, related_name='paddocks', null=True, blank=True)
+
+    def __str__(self):
+        return f"Piquete {self.paddock_number} - Bloco {self.paddock_group.id}"

multigranja/apps/entities/models/rotation.py

@@ -0,0 +1,15 @@
+from django.db import models
+
+class Rotation(models.Model):
+    is_active = models.BooleanField(default=True)
+    entry_date = models.DateTimeField()
+    entry_height = models.DecimalField(max_digits=10, decimal_places=2)
+    exit_date = models.DateTimeField(null=True, blank=True)
+    exit_height = models.DecimalField(max_digits=10, decimal_places=2, null=True, blank=True)
+    animal_count = models.IntegerField()
+    livestock_unit = models.DecimalField(max_digits=10, decimal_places=2)
+    batch = models.ForeignKey('entities.Batch', on_delete=models.SET_NULL, related_name='rotations', null=True, blank=True)
+    paddock = models.ForeignKey('entities.Paddock', on_delete=models.CASCADE, related_name='rotations')
+
+    def __str__(self):
+        return f"Movimentação {self.id} - Lote {self.batch.identifier}"

multigranja/apps/entities/models/user.py

@@ -0,0 +1,63 @@
+from django.db import models
+from django.contrib.auth.models import UserManager, AbstractBaseUser, PermissionsMixin
+from django.utils import timezone
+
+class CustomUserManager(UserManager):
+    def _create_user(self, name, login, email, password, **extra_fields):
+        if not login:
+            raise ValueError("Information provided is not a valid login")
+        if not email:
+            raise ValueError("You must inform an e-mail adress")
+
+        email = self.normalize_email(email)
+        user = self.model(
+            name = name,
+            login = login,
+            email = email,
+            **extra_fields)
+        user.set_password(password)
+        user.save(using=self.db)
+
+        return user
+    
+    def create_user(self, name=None, login=None, email=None, password=None, **extra_fields):
+        extra_fields.setdefault('is_staff', False)
+        extra_fields.setdefault('is_superuser', False)
+        return self._create_user(name, login, email, password, **extra_fields)
+    
+    def create_superuser(self, name=None, login=None, email=None, password=None, **extra_fields):
+        extra_fields.setdefault('is_staff', True)
+        extra_fields.setdefault('is_superuser', True)
+        return self._create_user(name, login, email, password, **extra_fields)
+    
+class User(AbstractBaseUser, PermissionsMixin):
+    name = models.CharField(max_length=45)
+    login = models.CharField(max_length=45, unique=True)
+    email = models.EmailField(unique=True)
+
+    farms = models.ManyToManyField('entities.Farm', related_name='users')
+
+    is_active = models.BooleanField(default=True)
+    is_superuser = models.BooleanField(default=False)
+    is_staff = models.BooleanField(default=False)
+
+    date_joined = models.DateTimeField(default=timezone.now)
+    last_login = models.DateTimeField(blank=True, null=True)
+
+    objects = CustomUserManager()
+
+    USERNAME_FIELD = 'login'
+    EMAIL_FIELD = 'email'
+    REQUIRED_FIELDS = ['name', 'email']
+
+    class Meta:
+        verbose_name = 'User'
+        verbose_name_plural = 'Users'
+
+    @property
+    def full_name(self):
+        return self.name
+    
+    @property
+    def short_name(self):
+        return self.name.split(' ')[0] or self.email.split('@')[0]

multigranja/apps/entities/services/animal.py

@@ -0,0 +1,227 @@
+from django.shortcuts import get_object_or_404
+from django.urls import reverse
+from django.db.models import Prefetch
+
+from ..models import Animal, Batch
+from ..forms import AnimalCreateForm, AnimalEditForm, BatchForm
+from entities.models import Farm
+
+
+def get_selected_farm(request):
+    return Farm.objects.get(id=request.session['selected_farm_id'])
+
+
+# Animal Services
+def get_animal_home_context(request):
+    selected_farm = get_selected_farm(request)
+
+    context = {}
+    context['title'] = 'Animais'
+    context['farm'] = selected_farm
+
+    animals = Animal.objects.filter(
+        farm=selected_farm,
+        is_active=True
+    )
+
+    filter_query = request.GET.get('animal_search')
+
+    if filter_query:
+        context['filter_query'] = filter_query
+        animals = animals.filter(
+            identifier__icontains=filter_query
+        )
+
+    context['animals'] = animals
+
+    return context
+
+
+def get_animal_new_context():
+    form = AnimalCreateForm()
+
+    context = {}
+    context['title'] = 'Novo animal'
+    context['form'] = form
+    context['action_url'] = reverse('entities:animal:animal_new')
+    context['return_url'] = reverse('entities:animal:animal_home')
+
+    return context
+
+
+def create_animal(request):
+    form = AnimalCreateForm(request.POST)
+    selected_farm = get_selected_farm(request)
+
+    if form.is_valid():
+        animal = form.save(commit=False)
+        animal.farm = selected_farm
+        animal.save()
+        return True
+
+    return False
+
+
+def update_animal(request, animal_id):
+    farm_id = request.session['selected_farm_id']
+    animal = get_object_or_404(Animal, pk=animal_id, farm_id=farm_id)
+
+    context = {}
+    context['title'] = 'Editar animal'
+    context['action_url'] = reverse(
+        'entities:animal:animal_update',
+        kwargs={'animal_id': animal.pk}
+    )
+    context['return_url'] = reverse('entities:animal:animal_home')
+
+    if request.method == 'GET':
+        form = AnimalEditForm(instance=animal)
+
+    elif request.method == 'POST':
+        form = AnimalEditForm(request.POST, instance=animal)
+
+        if form.is_valid():
+            form.save()
+            return {'redirect': 'entities:animal:animal_home'}
+
+    context['form'] = form
+
+    return {'context': context}
+
+
+def delete_animal(request, animal_id):
+    farm_id = request.session['selected_farm_id']
+    animal = get_object_or_404(Animal, pk=animal_id, farm_id=farm_id)
+    animal.is_active = False
+    animal.save()
+
+
+# Batch Services
+
+def get_batch_home_context(request):
+    selected_farm = get_selected_farm(request)
+
+    context = {}
+    context['title'] = 'Lotes'
+    context['farm'] = selected_farm
+
+    all_batches = Batch.objects.filter(
+        batchanimal__animal__farm=selected_farm,
+        is_active=True
+    ).distinct().prefetch_related(
+        Prefetch('animals', queryset=Animal.objects.filter(is_active=True))
+    )
+
+    filter_query = request.GET.get('batch_search')
+
+    if filter_query:
+        context['filter_query'] = filter_query
+        all_batches = all_batches.filter(
+            identifier__icontains=filter_query
+        )
+
+    context['batches'] = all_batches
+
+    return context
+
+
+def create_batch(request):
+    selected_farm = get_selected_farm(request)
+
+    if request.method == 'GET':
+        form = BatchForm()
+        form.fields['animals'].queryset = Animal.objects.filter(
+            farm=selected_farm,
+            is_active=True
+        )
+
+        context = {
+            'title': 'Novo Lote',
+            'form': form,
+            'action_url': reverse('entities:animal:batch_new'),
+            'return_url': reverse('entities:animal:batch_home')
+        }
+
+        return {'context': context}
+
+    elif request.method == 'POST':
+        form = BatchForm(request.POST)
+
+        if form.is_valid():
+            batch = form.save(commit=False)
+            batch.save()
+            form.save_m2m()
+
+            return {'redirect': 'entities:animal:batch_home'}
+
+        form.fields['animals'].queryset = Animal.objects.filter(
+            farm=selected_farm,
+            is_active=True
+        )
+
+        context = {
+            'title': 'Novo Lote',
+            'form': form,
+            'action_url': reverse('entities:animal:batch_new'),
+            'return_url': reverse('entities:animal:batch_home')
+        }
+
+        return {'context': context}
+
+
+def update_batch(request, batch_id):
+    batch_old = get_object_or_404(Batch, pk=batch_id, is_active=True)
+    selected_farm = get_selected_farm(request)
+
+    context = {
+        'title': f'Editar Lote {batch_old.identifier}',
+        'return_url': reverse('entities:animal:batch_home')
+    }
+
+    if request.method == 'GET':
+        form = BatchForm(instance=batch_old)
+
+        form.fields['animals'].queryset = Animal.objects.filter(
+            farm=selected_farm,
+            is_active=True
+        )
+
+        context['action_url'] = reverse(
+            'entities:animal:batch_update',
+            kwargs={'batch_id': batch_old.pk}
+        )
+
+    elif request.method == 'POST':
+        form = BatchForm(request.POST)
+
+        if form.is_valid():
+            batch_new = form.save(commit=False)
+            batch_new.is_active = True
+
+            batch_old.is_active = False
+            batch_old.save()
+
+            batch_new.save()
+            form.save_m2m()
+
+            return {'redirect': 'entities:animal:batch_home'}
+
+        form.fields['animals'].queryset = Animal.objects.filter(
+            farm=selected_farm,
+            is_active=True
+        )
+
+        context['action_url'] = reverse(
+            'entities:animal:batch_update',
+            kwargs={'batch_id': batch_old.pk}
+        )
+
+    context['form'] = form
+
+    return {'context': context}
+
+
+def delete_batch(batch_id):
+    batch = get_object_or_404(Batch, pk=batch_id, is_active=True)
+    batch.is_active = False
+    batch.save()

multigranja/apps/entities/services/farm.py

@@ -0,0 +1,293 @@
+from django.shortcuts import get_object_or_404
+from django.urls import reverse
+from django.db.models import Prefetch
+
+from ..models import Farm, Paddock, PaddockGroup
+from ..forms import FarmCreateForm, FarmEditForm, PaddockCreateForm, PaddockEditForm, PaddockGroupCreateForm, PaddockGroupEditForm
+
+
+def get_selected_farm(request):
+    return Farm.objects.get(id=request.session['selected_farm_id'])
+
+
+# Farm Services
+def get_farm_home_context(request):
+    authenticated_user = request.user
+
+    context = {}
+    context['title'] = 'Fazenda'
+
+    farms = Farm.objects.filter(
+        users=authenticated_user, # Verificar se da para deixar apenas = ou deve usar um is in ou algo do tipo
+        is_active=True
+    )
+
+    context['farms'] = farms
+
+    return context
+
+
+def get_farm_new_context():
+    form = FarmCreateForm()
+
+    context = {}
+    context['title'] = 'Nova fazenda'
+    context['form'] = form
+    context['action_url'] = reverse('entities:farm:farm_new')
+    context['return_url'] = reverse('entities:farm:farm_home')
+
+    return context
+
+
+def create_farm(request):
+    form = FarmCreateForm(request.POST)
+    authenticated_user = request.user
+
+    if form.is_valid():
+        farm = form.save()
+        farm.users.add(authenticated_user)
+        return True
+
+    return False
+
+
+def update_farm(request, farm_id):
+    farm = get_object_or_404(Farm, pk=farm_id, is_active=True)
+
+    context = {}
+    context['title'] = 'Editar fazenda'
+    context['action_url'] = reverse(
+        'entities:farm:farm_update',
+        kwargs={'farm_id': farm.pk}
+    )
+    context['return_url'] = reverse('entities:farm:farm_home')
+
+    if request.method == 'GET':
+        form = FarmEditForm(instance=farm)
+
+    elif request.method == 'POST':
+        form = FarmEditForm(request.POST, instance=farm)
+
+        if form.is_valid():
+            form.save()
+            return {'redirect': 'entities:farm:farm_home'}
+
+    context['form'] = form
+
+    return {'context': context}
+
+
+def delete_farm(farm_id):
+    farm = get_object_or_404(Farm, pk=farm_id, is_active=True)
+    farm.is_active = False
+    farm.save()
+
+
+# Paddock Services
+
+def get_paddock_home_context(request):
+    selected_farm = get_selected_farm(request)
+
+    context = {}
+    context['title'] = 'Piquete'
+    context['farm'] = selected_farm
+
+    all_paddocks = Paddock.objects.filter(
+        farm=selected_farm,
+        is_active=True
+    )
+
+    filter_query = request.GET.get('paddock_search')
+
+    if filter_query:
+        context['filter_query'] = filter_query
+        all_paddocks = all_paddocks.filter(
+            identifier__icontains=filter_query
+        )
+
+    context['paddocks'] = all_paddocks
+
+    return context
+
+
+def create_paddock(request):
+    selected_farm = get_selected_farm(request)
+
+    if request.method == 'GET':
+        form = PaddockCreateForm()
+
+        context = {
+            'title': 'Novo Piquete',
+            'form': form,
+            'action_url': reverse('entities:farm:paddock_new'),
+            'return_url': reverse('entities:farm:paddock_home')
+        }
+
+        return {'context': context}
+
+    elif request.method == 'POST':
+        form = PaddockCreateForm(request.POST)
+
+        if form.is_valid():
+            paddock = form.save(commit=False)
+            paddock.farm = selected_farm
+            paddock.save()
+
+            return {'redirect': 'entities:farm:paddock_home'}
+
+        context = {
+            'title': 'Novo Piquete',
+            'form': form,
+            'action_url': reverse('entities:farm:paddock_new'),
+            'return_url': reverse('entities:farm:paddock_home')
+        }
+
+        return {'context': context}
+
+
+def update_paddock(request, paddock_id):
+    farm_id = request.session['selected_farm_id']
+    paddock = get_object_or_404(Paddock, pk=paddock_id, farm_id=farm_id, is_active=True)
+
+    context = {}
+    context['title'] = 'Editar piquete'
+    context['action_url'] = reverse(
+        'entities:farm:paddock_update',
+        kwargs={'paddock_id': paddock.pk}
+    )
+    context['return_url'] = reverse('entities:farm:paddock_home')
+
+    if request.method == 'GET':
+        form = PaddockEditForm(instance=paddock)
+
+    elif request.method == 'POST':
+        form = PaddockEditForm(request.POST, instance=paddock)
+
+        if form.is_valid():
+            form.save()
+            return {'redirect': 'entities:farm:paddock_home'}
+
+    context['form'] = form
+
+    return {'context': context}
+
+
+def delete_paddock(paddock_id):
+    paddock = get_object_or_404(Paddock, pk=paddock_id, is_active=True)
+    paddock.is_active = False
+    paddock.save()
+
+
+# Paddock Group Services
+
+def get_paddock_group_home_context(request):
+    selected_farm = get_selected_farm(request)
+
+    context = {}
+    context['title'] = 'Blocos'
+    context['farm'] = selected_farm
+
+    all_paddock_groups = PaddockGroup.objects.filter(
+        paddocks__farm=selected_farm,
+        is_active=True
+    ).distinct().prefetch_related(
+        Prefetch('paddocks', queryset=Paddock.objects.filter(is_active=True))
+    )
+
+    filter_query = request.GET.get('paddock_group_search')
+
+    if filter_query:
+        context['filter_query'] = filter_query
+        all_paddock_groups = all_paddock_groups.filter(
+            identifier__icontains=filter_query
+        )
+
+    context['paddock_groups'] = all_paddock_groups
+
+    return context
+
+
+def create_paddock_group(request):
+    selected_farm = get_selected_farm(request)
+
+    if request.method == 'GET':
+        form = PaddockGroupCreateForm()
+        form.fields['paddocks'].queryset = Paddock.objects.filter(
+            farm=selected_farm,
+            is_active=True
+        )
+
+    if request.method == 'POST':
+        form = PaddockGroupCreateForm(request.POST)
+
+        if form.is_valid():
+            paddock_group = form.save(commit=False)
+            paddock_group.save()
+
+            return {'redirect': 'entities:farm:paddock_group_home'}
+
+        form.fields['paddocks'].queryset = Paddock.objects.filter(
+            farm=selected_farm,
+            is_active=True
+        )
+
+    context = {
+        'title': 'Novo Bloco',
+        'form': form,
+        'action_url': reverse('entities:farm:paddock_group_new'),
+        'return_url': reverse('entities:farm:paddock_group_home')
+    }
+
+    return {'context': context}
+
+
+def update_paddock_group(request, paddock_group_id):
+    selected_farm = get_selected_farm(request)
+    paddock_group = get_object_or_404(PaddockGroup, pk=paddock_group_id, is_active=True)
+
+    context = {
+        'title': f'Editar Lote {paddock_group.identifier}',
+        'return_url': reverse('entities:farm:paddock_group_home')
+    }
+
+    if request.method == 'GET':
+        form = PaddockGroupEditForm(instance=paddock_group)
+
+        form.fields['paddocks'].queryset = Paddock.objects.filter(
+            farm=selected_farm,
+            is_active=True
+        )
+
+        context['action_url'] = reverse(
+            'entities:farm:paddock_group_update',
+            kwargs={'paddock_group_id': paddock_group.pk}
+        )
+
+    elif request.method == 'POST':
+        form = PaddockGroupEditForm(request.POST, instance=paddock_group)
+
+        if form.is_valid():
+            paddock_group = form.save()
+            paddock_group.save()
+
+            return {'redirect': 'entities:farm:paddock_group_home'}
+
+        form.fields['paddocks'].queryset = Paddock.objects.filter(
+            farm=selected_farm,
+            is_active=True
+        )
+
+        context['action_url'] = reverse(
+            'entities:farm:paddock_group_update',
+            kwargs={'paddock_group_id': paddock_group.pk}
+        )
+
+    context['form'] = form
+
+    return {'context': context}
+
+
+def delete_paddock_group(paddock_group_id):
+    paddock_group = get_object_or_404(PaddockGroup, pk=paddock_group_id, is_active=True)
+    paddock_group.is_active = False
+    paddock_group.save()

multigranja/apps/entities/services/user.py

@@ -0,0 +1,88 @@
+from django.shortcuts import redirect
+from django.contrib.auth import authenticate, login, logout
+from django.db.models import Count
+
+from ..forms import UserLoginForm
+
+
+def user_profile(request):  # TO DO
+    ...
+
+
+def user_login(request):
+    if request.user.is_authenticated:
+        return {'redirect': 'entities:user:farm_select'}
+
+    context = {}
+    context['fail_login'] = False
+    form = UserLoginForm()
+
+    if request.method == "POST":
+        form = UserLoginForm(request.POST)
+
+        if form.is_valid():
+            username = form.cleaned_data['login']
+            password = form.cleaned_data['password']
+            user = authenticate(request, username=username, password=password)
+
+            if user is not None:
+                login(request, user)
+                context['title'] = 'Fazendas'
+                return {'redirect': 'entities:user:farm_select'}
+            else:
+                context['fail_login'] = True
+        else:
+            context['fail_login'] = True
+
+    context['form'] = form
+    return {'context': context}
+
+
+def user_logout(request):
+    logout(request)
+    return redirect('entities:user:user_login')
+
+
+def user_signin(request):  # TO DO
+    ...
+
+
+def farm_select(request):
+    if 'selected_farm_id' in request.session:
+        return {'redirect': 'entities:farm:farm_home'}
+
+    farms_query = request.user.farms.filter(is_active=True)
+    farms_with_counts = farms_query.annotate(
+        total_animals=Count('animals'),
+        total_paddocks=Count('paddocks')
+    )
+
+    context = {
+        'farms': farms_with_counts
+    }
+
+    return {'context': context}
+
+
+def farm_set(request, farm_id=None):
+    # Allows setting the selected farm either via URL parameter or POST data
+    farm_id = farm_id or request.POST.get("farm_id")
+    next_url = request.POST.get("next")
+
+    if not farm_id:
+        return redirect('entities:user:farm_select')
+
+    try:
+        farm = request.user.farms.get(id=farm_id)
+        request.session['selected_farm_id'] = farm.id
+
+        return redirect(next_url or 'entities:farm:farm_home')
+
+    except request.user.farms.model.DoesNotExist:
+        return redirect('entities:user:farm_select')
+
+def farm_deselect(request):
+    if 'selected_farm_id' in request.session:
+        del request.session['selected_farm_id']
+
+    return redirect('entities:user:farm_select')

multigranja/apps/entities/static/animal/css/animal.css

@@ -0,0 +1,152 @@
+/* ===== PAGE HEADER ===== */
+.animal_title {
+    display: flex;
+    align-items: center;
+    gap: var(--space-md);
+    margin-bottom: var(--space-lg);
+}
+
+.animal_title h1 {
+    font-size: var(--font-xl);
+    color: var(--color-text-dark);
+    margin: 0;
+    margin-right: var(--space-lg);
+}
+
+/* ===== SEARCH FORM ===== */
+.form_animal_search {
+    display: flex;
+    align-items: center;
+    gap: var(--space-xs);
+    margin-left: auto;
+}
+
+.form_animal_search label {
+    font-size: var(--font-sm);
+    color: var(--color-text-dark);
+}
+
+/* Input com altura igual ao botão */
+.form_animal_search input {
+    height: 32px;
+    padding: 0 var(--space-sm);
+    font-size: var(--font-sm);
+    border: 1px solid var(--color-border-subtle);
+    border-radius: var(--border-radius-sm);
+    outline: none;
+}
+
+.form_animal_search input:focus {
+    border-color: var(--color-primary);
+}
+
+/* Botão buscar */
+.form_animal_search button {
+    height: 32px;
+    padding: 0 var(--space-sm);
+    border: none;
+    border-radius: var(--border-radius-sm);
+    background: var(--color-primary);
+    color: var(--color-text-light);
+    cursor: pointer;
+    transition: background var(--transition-speed);
+}
+
+.form_animal_search button:hover {
+    background: var(--color-secondary);
+}
+
+/* ===== CLEAR FILTER ===== */
+.btn-clear-filter {
+    display: flex;
+    align-items: center;
+    gap: 4px;
+    height: 32px;
+    padding: 0 var(--space-sm);
+    background: var(--color-danger-light);
+    color: var(--color-danger);
+    border-radius: var(--border-radius-sm);
+    text-decoration: none;
+    font-size: var(--font-sm);
+}
+
+.btn-clear-filter:hover {
+    background: var(--color-danger);
+    color: var(--color-text-light);
+}
+
+/* ===== NEW BUTTON ===== */
+.animal_title > a {
+    height: 32px;
+    padding: 0 var(--space-md);
+    background: var(--color-success);
+    color: var(--color-text-light);
+    border-radius: var(--border-radius-sm);
+    text-decoration: none;
+    font-size: var(--font-sm);
+    display: flex;
+    align-items: center;
+    gap: var(--space-xs);
+    transition: background var(--transition-speed);
+}
+
+.animal_title > a:hover {
+    background: var(--color-success);
+    opacity: 0.85;
+}
+
+/* ===== TABLE ===== */
+table {
+    width: 100%;
+    border-collapse: collapse;
+    background: var(--color-bg-white);
+    border-radius: var(--border-radius-sm);
+    overflow: hidden;
+}
+
+table th {
+    text-align: left;
+    padding: var(--space-sm);
+    font-size: var(--font-sm);
+    background: var(--color-bg-dark);
+    color: var(--color-text-light);
+    font-weight: 500;
+}
+
+table td {
+    padding: var(--space-sm);
+    font-size: var(--font-md);
+    border-bottom: 1px solid var(--color-border-subtle);
+}
+
+table tr:last-child td {
+    border-bottom: none;
+}
+
+table tbody tr:hover {
+    background: var(--color-bg-light);
+}
+
+/* ===== ACTION ICONS ===== */
+table a {
+    color: var(--color-primary);
+    transition: color var(--transition-speed);
+}
+
+table a:hover {
+    color: var(--color-secondary);
+}
+
+/* DELETE BUTTON */
+.btn-icon-trash {
+    background: transparent;
+    border: none;
+    color: var(--color-danger);
+    cursor: pointer;
+    transition: color var(--transition-speed);
+}
+
+.btn-icon-trash:hover {
+    color: var(--color-danger);
+    opacity: 0.7;
+}

multigranja/apps/entities/static/animal/css/batch.css

@@ -0,0 +1,150 @@
+/* ===== PAGE HEADER ===== */
+.batch_title {
+    display: flex;
+    align-items: center;
+    gap: var(--space-md);
+    margin-bottom: var(--space-lg);
+}
+
+.batch_title h1 {
+    font-size: var(--font-xl);
+    color: var(--color-text-dark);
+    margin: 0;
+    margin-right: var(--space-lg);
+}
+
+/* ===== SEARCH FORM ===== */
+.form_batch_search {
+    display: flex;
+    align-items: center;
+    gap: var(--space-xs);
+    margin-left: auto;
+}
+
+.form_batch_search label {
+    font-size: var(--font-sm);
+    color: var(--color-text-dark);
+}
+
+.form_batch_search input {
+    height: 32px;
+    padding: 0 var(--space-sm);
+    font-size: var(--font-sm);
+    border: 1px solid var(--color-border-subtle);
+    border-radius: var(--border-radius-sm);
+    outline: none;
+}
+
+.form_batch_search input:focus {
+    border-color: var(--color-primary);
+}
+
+.form_batch_search button {
+    height: 32px;
+    padding: 0 var(--space-sm);
+    border: none;
+    border-radius: var(--border-radius-sm);
+    background: var(--color-primary);
+    color: var(--color-text-light);
+    cursor: pointer;
+    transition: background var(--transition-speed);
+}
+
+.form_batch_search button:hover {
+    background: var(--color-secondary);
+}
+
+/* ===== CLEAR FILTER ===== */
+.btn-clear-filter {
+    display: flex;
+    align-items: center;
+    gap: 4px;
+    height: 32px;
+    padding: 0 var(--space-sm);
+    background: var(--color-danger-light);
+    color: var(--color-danger);
+    border-radius: var(--border-radius-sm);
+    text-decoration: none;
+    font-size: var(--font-sm);
+}
+
+.btn-clear-filter:hover {
+    background: var(--color-danger);
+    color: var(--color-text-light);
+}
+
+/* ===== NEW BUTTON ===== */
+.batch_title > a {
+    height: 32px;
+    padding: 0 var(--space-md);
+    background: var(--color-success);
+    color: var(--color-text-light);
+    border-radius: var(--border-radius-sm);
+    text-decoration: none;
+    font-size: var(--font-sm);
+    display: flex;
+    align-items: center;
+    gap: var(--space-xs);
+    transition: background var(--transition-speed);
+}
+
+.batch_title > a:hover {
+    background: var(--color-success);
+    opacity: 0.85;
+}
+
+/* ===== TABLE ===== */
+table {
+    width: 100%;
+    border-collapse: collapse;
+    background: var(--color-bg-white);
+    border-radius: var(--border-radius-sm);
+    overflow: hidden;
+}
+
+table th {
+    text-align: left;
+    padding: var(--space-sm);
+    font-size: var(--font-sm);
+    background: var(--color-bg-dark);
+    color: var(--color-text-light);
+    font-weight: 500;
+}
+
+table td {
+    padding: var(--space-sm);
+    font-size: var(--font-md);
+    border-bottom: 1px solid var(--color-border-subtle);
+}
+
+table tr:last-child td {
+    border-bottom: none;
+}
+
+table tbody tr:hover {
+    background: var(--color-bg-light);
+}
+
+/* ===== ACTION ICONS ===== */
+table a {
+    color: var(--color-primary);
+    transition: color var(--transition-speed);
+}
+
+table a:hover {
+    color: var(--color-secondary);
+}
+
+/* DELETE BUTTON */
+.btn-icon-trash {
+    background: transparent;
+    border: none;
+    color: var(--color-danger);
+    cursor: pointer;
+    transition: color var(--transition-speed);
+}
+
+.btn-icon-trash:hover {
+    color: var(--color-danger);
+    opacity: 0.7;
+}

multigranja/apps/entities/static/farm/css/paddock.css

@@ -0,0 +1,94 @@
+/* ===== PAGE HEADER ===== */
+.paddock_title {
+    display: flex;
+    align-items: center;
+    gap: var(--space-md);
+    margin-bottom: var(--space-lg);
+}
+
+.paddock_title h1 {
+    font-size: var(--font-xl);
+    color: var(--color-text-dark);
+    margin: 0;
+    margin-right: var(--space-lg);
+}
+
+/* ===== SEARCH FORM ===== */
+.form_paddock_search {
+    display: flex;
+    align-items: center;
+    gap: var(--space-xs);
+    margin-left: auto;
+}
+
+.form_paddock_search label {
+    font-size: var(--font-sm);
+    color: var(--color-text-dark);
+}
+
+.form_paddock_search input {
+    height: 32px;
+    padding: 0 var(--space-sm);
+    font-size: var(--font-sm);
+    border: 1px solid var(--color-border-subtle);
+    border-radius: var(--border-radius-sm);
+    outline: none;
+}
+
+.form_paddock_search input:focus {
+    border-color: var(--color-primary);
+}
+
+.form_paddock_search button {
+    height: 32px;
+    padding: 0 var(--space-sm);
+    border: none;
+    border-radius: var(--border-radius-sm);
+    background: var(--color-primary);
+    color: var(--color-text-light);
+    cursor: pointer;
+    transition: background var(--transition-speed);
+}
+
+.form_paddock_search button:hover {
+    background: var(--color-secondary);
+}
+
+/* ===== CLEAR FILTER ===== */
+.btn-clear-filter {
+    display: flex;
+    align-items: center;
+    gap: 4px;
+    height: 32px;
+    padding: 0 var(--space-sm);
+    background: var(--color-danger-light);
+    color: var(--color-danger);
+    border-radius: var(--border-radius-sm);
+    text-decoration: none;
+    font-size: var(--font-sm);
+}
+
+.btn-clear-filter:hover {
+    background: var(--color-danger);
+    color: var(--color-text-light);
+}
+
+/* ===== NEW BUTTON ===== */
+.paddock_title > a {
+    height: 32px;
+    padding: 0 var(--space-md);
+    background: var(--color-success);
+    color: var(--color-text-light);
+    border-radius: var(--border-radius-sm);
+    text-decoration: none;
+    font-size: var(--font-sm);
+    display: flex;
+    align-items: center;
+    gap: var(--space-xs);
+    transition: background var(--transition-speed);
+}
+
+.paddock_title > a:hover {
+    background: var(--color-success);
+    opacity: 0.85;
+}

multigranja/apps/entities/static/farm/css/paddock_group.css

@@ -0,0 +1,75 @@
+/* ===== PAGE HEADER ===== */
+.paddock_group_title {
+    display: flex;
+    align-items: center;
+    gap: var(--space-md);
+    margin-bottom: var(--space-lg);
+}
+
+.paddock_group_title h1 {
+    font-size: var(--font-xl);
+    color: var(--color-text-dark);
+    margin: 0;
+    margin-right: var(--space-lg);
+}
+
+/* ===== SEARCH FORM ===== */
+.form_paddock_group_search {
+    display: flex;
+    align-items: center;
+    gap: var(--space-xs);
+    margin-left: auto;
+}
+
+.form_paddock_group_search label {
+    font-size: var(--font-sm);
+    color: var(--color-text-dark);
+}
+
+.form_paddock_group_search input {
+    height: 32px;
+    padding: 0 var(--space-sm);
+    font-size: var(--font-sm);
+    border: 1px solid var(--color-border-subtle);
+    border-radius: var(--border-radius-sm);
+    outline: none;
+}
+
+.form_paddock_group_search input:focus {
+    border-color: var(--color-primary);
+}
+
+.form_paddock_group_search button {
+    height: 32px;
+    padding: 0 var(--space-sm);
+    border: none;
+    border-radius: var(--border-radius-sm);
+    background: var(--color-primary);
+    color: var(--color-text-light);
+    cursor: pointer;
+    transition: background var(--transition-speed);
+}
+
+.form_paddock_group_search button:hover {
+    background: var(--color-secondary);
+}
+
+/* ===== NEW BUTTON ===== */
+.paddock_group_title > a {
+    height: 32px;
+    padding: 0 var(--space-md);
+    background: var(--color-success);
+    color: var(--color-text-light);
+    border-radius: var(--border-radius-sm);
+    text-decoration: none;
+    font-size: var(--font-sm);
+    display: flex;
+    align-items: center;
+    gap: var(--space-xs);
+    transition: background var(--transition-speed);
+}
+
+.paddock_group_title > a:hover {
+    background: var(--color-success);
+    opacity: 0.85;
+}

multigranja/apps/entities/static/user/css/farm_select.css

@@ -0,0 +1,162 @@
+/* CONTENT */
+body {
+    display: block; 
+    min-height: 100vh;
+    margin: 0;
+    padding-top: var(--header-height);
+}
+
+/* NAVBAR */
+.farm-select-navbar {
+    position: fixed;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: var(--header-height);
+    background-color: var(--color-bg-light);
+    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    padding: 0 var(--space-lg);
+    z-index: 950;
+}
+
+/* SITE'S TITLE */
+.farm-select-navbar .navbar-brand {
+    font-weight: bold;
+    font-size: 1.5rem;
+    color: var(--color-bg-sidebar, #444);
+    cursor: default;
+}
+
+/* .navbar-user-info and .username uses gap and align style from global.css */
+
+/* SELECT CONTAINER */
+.farm-select-container {
+    width: 100%;
+    max-width: 700px; 
+    margin: var(--space-xl) auto;
+    text-align: center;
+    padding: 0;
+}
+
+.farm-select-container h1 {
+    font-size: var(--font-xl);
+    color: #1f2937;
+    margin-bottom: var(--space-xl);
+}
+
+/* LIST OF FARMS */
+.farm-list {
+    list-style: none;
+    padding: 0;
+    margin: 0;
+    display: flex;
+    flex-direction: column;
+    gap: var(--space-sm);
+}
+
+.farm-button {
+    text-decoration: none;
+    display: block;
+    width: 100%;
+}
+
+.farm-item {
+    padding: var(--space-md); 
+    text-align: left;
+    background-color: #ffffff;
+    border: 1px solid #e0e0e0; 
+    border-left: 5px solid transparent;
+    border-radius: 6px; 
+    
+    transition: all 0.3s ease;
+}
+
+.farm-item:hover {
+    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08); 
+    border-color: var(--color-farm-select-hover); 
+    border-left-color: var(--color-farm-select-hover); /* Cor primária */
+}
+
+.farm-name {
+    font-size: 1.25rem;
+    color: var(--color-text-dark);
+    margin: 0 0 var(--space-xs);
+    font-weight: 700;
+}
+
+.farm-description {
+    display: flex; 
+    justify-content: flex-start;
+    gap: var(--space-sm); 
+    align-items: center;
+    margin-top: var(--space-sm);
+    font-size: var(--font-sm);
+    flex-wrap: wrap; 
+}
+
+/* DATA SEPARATOR */
+.total-area, .count-piquetes, .count-animais {
+    padding: 0; 
+    background-color: transparent; 
+    color: var(--color-farm-select-info); 
+    font-weight: 500;
+}
+
+.total-area:after, .count-piquetes:after {
+    content: "|";
+    margin-left: var(--space-xs);
+    color: var(--color-simple-light-gray);
+}
+
+/* WHEN NO FARMS */
+.no-farms {
+    padding: var(--space-lg);
+    margin-top: var(--space-lg);
+    border: 2px dashed #ccc;
+    border-radius: var(--border-radius-sm);
+    background-color: var(--color-bg-white);
+}
+
+.no-farms p {
+    color: var(--color-farm-select-info);
+    font-size: var(--font-md);
+    margin: var(--space-xs) 0;
+}
+
+/* NEW FARM BUTTON */
+.no-farms a {
+    display: inline-flex;
+    align-items: center;
+    gap: var(--space-xs);
+    margin-top: var(--space-md);
+    padding: var(--space-xs) var(--space-md);
+    background-color: var(--color-new-farm-button);
+    color: white;
+    text-decoration: none;
+    font-weight: 500;
+    border-radius: 4px;
+    transition: background-color 0.2s;
+}
+
+.no-farms a:hover {
+    background-color: var(--color-new-farm-hover);
+}
+
+@media (max-width: 768px) {
+    body {
+        padding: 0;
+    }
+    .farm-select-navbar {
+        padding: 0 var(--space-md);
+    }
+    .farm-select-container {
+        padding: var(--space-md) var(--space-sm);
+        margin: var(--header-height) 0 0 0;
+        max-width: 100%;
+        box-shadow: none;
+        border-radius: 0;
+    }
+}

multigranja/apps/entities/static/user/css/login.css

@@ -0,0 +1,145 @@
+body {
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    min-height: 100vh;
+    margin: 0;
+    background-color: var(--color-bg-light); 
+    color: var(--color-text-dark);
+}
+
+.login-container {
+    display: flex;
+    width: 850px;
+    max-width: 90%;
+    min-height: 450px;
+    border-radius: var(--border-radius-lg, 10px);
+    overflow: hidden;
+    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
+    background-color: #ffffff;
+}
+
+.ilustration-container {
+    flex: 1;
+    background: linear-gradient(135deg, var(--login-background-primary), var(--login-background-secondary));
+    display: flex;
+    flex-direction: column;
+    justify-content: center;
+    align-items: center;
+    padding: var(--space-lg);
+    color: var(--color-text-light);
+    text-align: center;
+    font-size: var(--font-lg, 1.5rem);
+    font-weight: bold;
+}
+
+.ilustration-container h1 {
+    margin: 0;
+    line-height: 1.2;
+}
+
+.login-form-container {
+    flex: 1;
+    display: flex;
+    flex-direction: column;
+    justify-content: center;
+    padding: var(--space-xl);
+}
+
+.login-form-container h1 {
+    font-size: var(--font-xl);
+    margin-bottom: var(--space-md);
+    color: var(--color-text-dark);
+    text-align: center;
+}
+
+.login-form-container form {
+    display: flex;
+    flex-direction: column;
+    gap: var(--space-sm);
+}
+
+.login-form-container input[type="text"],
+.login-form-container input[type="password"] {
+    padding: var(--space-sm);
+    font-size: var(--font-md);
+    border-radius: var(--border-radius-sm);
+    border: 1px solid var(--color-border-subtle);
+    width: 100%;
+    transition: border-color var(--transition-speed) ease;
+}
+
+.login-form-container input:focus {
+    border-color: var(--color-primary);
+    outline: none;
+    box-shadow: 0 0 0 1px var(--color-primary-light, rgba(0, 123, 255, 0.2));
+}
+
+.login-form-container button[type="submit"] {
+    background-color: var(--color-login-button);
+    color: white;
+    padding: var(--space-xs);
+    font-size: var(--font-lg);
+    font-weight: bold;
+    border: none;
+    border-radius: var(--border-radius-sm);
+    cursor: pointer;
+    margin-top: var(--space-sm);
+    transition: background-color var(--transition-speed) ease;
+}
+
+.login-form-container button[type="submit"]:hover {
+    background-color: var(--color-login-button-focus);
+}
+
+.login-fail {
+    color: var(--color-danger);
+    background-color: var(--color-danger-light);
+    border: 1px solid var(--color-danger);
+    padding: var(--space-xs);
+    border-radius: var(--border-radius-sm);
+    font-size: var(--font-sm);
+    text-align: center;
+    margin-top: var(--space-sm);
+}
+
+.login-fail i {
+    margin-right: var(--space-xs);
+}
+
+.login-form-container p {
+    text-align: center;
+    font-size: var(--font-sm);
+    margin-top: var(--space-md);
+}
+
+.login-form-container a {
+    color: var(--color-primary);
+    text-decoration: none;
+}
+
+.login-form-container a:hover {
+    text-decoration: underline;
+}
+
+@media (max-width: 800px) {
+    .login-container {
+        flex-direction: column;
+        height: auto;
+        max-width: 95%;
+        box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
+    }
+    .ilustration-container, .login-form-container {
+        flex: none;
+        width: 100%;
+    }
+    .ilustration-container {
+        padding: var(--space-md);
+    }
+    .ilustration-container h1 {
+        font-size: var(--font-md);
+    }
+    .login-form-container {
+        padding: var(--space-lg) var(--space-md);
+    }
+}

multigranja/apps/entities/templates/animal/animal_home.html

@@ -0,0 +1,48 @@
+{% extends 'base.html' %}
+{% load static %}
+
+{% block extra_css %}
+    <link rel="stylesheet" href="{% static 'animal/css/animal.css' %}"> 
+{% endblock %}
+
+{% block content %}
+    <div class="animal_title">
+        <h1>Animais</h1>
+        <form method="GET" action="{% url 'entities:animal:animal_home' %}" class="form_animal_search">
+            {% if filter_query %}
+                <a href="{% url 'entities:animal:animal_home' %}" class="btn-clear-filter">{{filter_query}}<i class="fa-solid fa-xmark"></i></a>
+            {% endif %}
+            <label for="animal_search">Buscar</label>
+            <input type="text" name="animal_search" required>
+            <button type="submit"><i class="fa-solid fa-magnifying-glass"></i></button>
+        </form>
+        <a href="{% url 'entities:animal:animal_new' %}">Novo <i class="fa-solid fa-plus"></i></a>
+    </div>
+    {% if not animals %}
+        <p>Nenhum animal encontrado.</p>
+    {% else %}
+        <table>
+            <tr>
+                <th>Identificador</th>
+                <th>Idade</th>
+                <th>Peso</th>
+                <th>Editar</th>
+                <th>Excluir</th>
+            </tr>
+            {% for animal in animals %}
+            <tr>
+                <td>{{ animal.identifier }}</td>
+                <td>{{ animal.age }}</td>
+                <td>{{ animal.weight }} Kg</td>
+                <td><a href="{% url 'entities:animal:animal_update' animal.id %}"><i class="fa-solid fa-pen-to-square"></i></a></td>
+                <td>
+                    <form method="POST" action="{% url 'entities:animal:animal_delete' animal.id %}">
+                        {% csrf_token %}
+                        <button type="submit" class="btn-icon-trash"><i class="fa-solid fa-trash"></i></button>
+                    </form>
+                </td>
+            </tr>
+            {% endfor %}
+        </table>
+    {% endif %}
+{% endblock %}

multigranja/apps/entities/templates/animal/animal_new.html

@@ -0,0 +1,11 @@
+{% extends 'base.html' %}
+{% load static %}
+
+{% block extra_css %}
+    <link rel="stylesheet" href="{% static 'animal/css/animal.css' %}"> 
+{% endblock %}
+
+{% block content %}
+    NOVO ANIMAL <br>
+    {% include 'includes/_form.html' %}
+{% endblock %}

multigranja/apps/entities/templates/animal/animal_update.html

@@ -0,0 +1,11 @@
+{% extends 'base.html' %}
+{% load static %}
+
+{% block extra_css %}
+    <link rel="stylesheet" href="{% static 'animal/css/animal.css' %}"> 
+{% endblock %}
+
+{% block content %}
+    EDITAR ANIMAL <br>
+    {% include 'includes/_form.html' %}
+{% endblock %}

multigranja/apps/entities/templates/batch/batch_home.html

@@ -0,0 +1,48 @@
+{% extends 'base.html' %}
+{% load static %}
+
+{% block extra_css %}
+    <link rel="stylesheet" href="{% static 'animal/css/batch.css' %}"> 
+{% endblock %}
+
+{% block content %}
+    <div class="batch_title">
+        <h1>Lotes</h1>
+        <form method="GET" action="{% url 'entities:animal:batch_home' %}" class="form_batch_search">
+            {% if filter_query %}
+                <a href="{% url 'entities:animal:batch_home' %}" class="btn-clear-filter">{{filter_query}}<i class="fa-solid fa-xmark"></i></a>
+            {% endif %}
+            <label for="batch_search">Buscar</label>
+            <input type="text" name="batch_search" required>
+            <button type="submit"><i class="fa-solid fa-magnifying-glass"></i></button>
+        </form>
+        <a href="{% url 'entities:animal:batch_new' %}">Novo <i class="fa-solid fa-plus"></i></a>
+    </div>
+    {% if not batches %}
+        <p>Nenhum lote encontrado.</p>
+    {% else %}
+        <table>
+            <tr>
+                <th>Identificador</th>
+                <th>Categoria animal</th>
+                <th>Tipo de lote</th>
+                <th>Editar</th>
+                <th>Excluir</th>
+            </tr>
+            {% for batch in batches %}
+            <tr>
+                <td>{{ batch.identifier }}</td>
+                <td>{{ batch.animal_category }}</td>
+                <td>{{ batch.batch_type }} Kg</td>
+                <td><a href="{% url 'entities:animal:batch_update' batch.id %}"><i class="fa-solid fa-pen-to-square"></i></a></td>
+                <td>
+                    <form method="POST" action="{% url 'entities:animal:batch_delete' batch.id %}">
+                        {% csrf_token %}
+                        <button type="submit" class="btn-icon-trash"><i class="fa-solid fa-trash"></i></button>
+                    </form>
+                </td>
+            </tr>
+            {% endfor %}
+        </table>
+    {% endif %}
+{% endblock %}

multigranja/apps/entities/templates/batch/batch_new.html

@@ -0,0 +1,11 @@
+{% extends 'base.html' %}
+{% load static %}
+
+{% block extra_css %}
+    <link rel="stylesheet" href="{% static 'animal/css/batch.css' %}"> 
+{% endblock %}
+
+{% block content %}
+    NOVO LOTE <br>
+    {% include 'includes/_form.html' %}
+{% endblock %}

multigranja/apps/entities/templates/batch/batch_update.html

@@ -0,0 +1,11 @@
+{% extends 'base.html' %}
+{% load static %}
+
+{% block extra_css %}
+    <link rel="stylesheet" href="{% static 'animal/css/batch.css' %}"> 
+{% endblock %}
+
+{% block content %}
+    EDITAR LOTE <br>
+    {% include 'includes/_form.html' %}
+{% endblock %}

multigranja/apps/entities/templates/farm/farm_home.html

@@ -0,0 +1,46 @@
+{% extends 'base.html' %}
+{% load static %}
+
+{% block extra_css %}
+    <link rel="stylesheet" href="{% static 'farm/css/home.css' %}"> 
+{% endblock %}
+
+{% block content %}
+    <div class="farm_title">
+        <h1>Fazendas</h1>
+        <form method="GET" action="{% url 'entities:farm:farm_home' %}" class="form_farm_search">
+            {% if filter_query %}
+                <a href="{% url 'entities:farm:farm_home' %}" class="btn-clear-filter">{{filter_query}}<i class="fa-solid fa-xmark"></i></a>
+            {% endif %}
+            <label for="farm_search">Buscar</label>
+            <input type="text" name="farm_search" required>
+            <button type="submit"><i class="fa-solid fa-magnifying-glass"></i></button>
+        </form>
+        <a href="{% url 'entities:farm:farm_new' %}">Novo <i class="fa-solid fa-plus"></i></a>
+    </div>
+    {% if not farms %}
+        <p>Nenhuma fazenda encontrado.</p>
+    {% else %}
+        <table>
+            <tr>
+                <th>Nome</th>
+                <th>Área total</th>
+                <th>Editar</th>
+                <th>Excluir</th>
+            </tr>
+            {% for farm in farms %}
+            <tr>
+                <td>{{ farm.name }}</td>
+                <td>{{ farm.total_area }} m2</td>
+                <td><a href="{% url 'entities:farm:farm_update' farm.id %}"><i class="fa-solid fa-pen-to-square"></i></a></td>
+                <td>
+                    <form method="POST" action="{% url 'entities:farm:farm_delete' farm.id %}">
+                        {% csrf_token %}
+                        <button type="submit" class="btn-icon-trash"><i class="fa-solid fa-trash"></i></button>
+                    </form>
+                </td>
+            </tr>
+            {% endfor %}
+        </table>
+    {% endif %}
+{% endblock %}

multigranja/apps/entities/templates/farm/farm_new.html

@@ -0,0 +1,10 @@
+{% extends 'base.html' %}
+{% load static %}
+
+{% block extra_css %}
+    <link rel="stylesheet" href="{% static 'farm/css/home.css' %}"> 
+{% endblock %}
+
+{% block content %}
+    New - Farm
+{% endblock %}

multigranja/apps/entities/templates/farm/farm_update.html

@@ -0,0 +1,10 @@
+{% extends 'base.html' %}
+{% load static %}
+
+{% block extra_css %}
+    <link rel="stylesheet" href="{% static 'farm/css/home.css' %}"> 
+{% endblock %}
+
+{% block content %}
+    Update - Farm
+{% endblock %}

multigranja/apps/entities/templates/paddock/paddock_home.html

@@ -0,0 +1,85 @@
+{% extends 'base.html' %}
+{% load static %}
+
+{% block extra_css %}
+    <link rel="stylesheet" href="{% static 'farm/css/paddock.css' %}"> 
+{% endblock %}
+
+{% block content %}
+    <div class="paddock_title">
+        <h1>Piquetes</h1>
+
+        <form method="GET" action="{% url 'entities:farm:paddock_home' %}" class="form_paddock_search">
+            {% if filter_query %}
+                <a href="{% url 'entities:farm:paddock_home' %}" class="btn-clear-filter">
+                    {{filter_query}}<i class="fa-solid fa-xmark"></i>
+                </a>
+            {% endif %}
+
+            <label for="paddock_search">Buscar</label>
+            <input type="text" name="paddock_search" required>
+
+            <button type="submit">
+                <i class="fa-solid fa-magnifying-glass"></i>
+            </button>
+        </form>
+
+        <a href="{% url 'entities:farm:paddock_new' %}">
+            Novo <i class="fa-solid fa-plus"></i>
+        </a>
+    </div>
+
+    {% if not paddocks %}
+        <p>Nenhum piquete encontrado.</p>
+    {% else %}
+        <table>
+            <tr>
+                <th>Número</th>
+                <th>Área</th>
+                <th>Capacidade</th>
+                <th>Ocupado</th>
+                <th>Bloco</th>
+                <th>Editar</th>
+                <th>Excluir</th>
+            </tr>
+
+            {% for paddock in paddocks %}
+            <tr>
+                <td>{{ paddock.paddock_number }}</td>
+                <td>{{ paddock.area }} ha</td>
+                <td>{{ paddock.load_capacity }}</td>
+                <td>
+                    {% if paddock.occupied %}
+                        Sim
+                    {% else %}
+                        Não
+                    {% endif %}
+                </td>
+                <td>
+                    {% if paddock.paddock_group %}
+                        {{ paddock.paddock_group.identifier }}
+                    {% else %}
+                        -
+                    {% endif %}
+                </td>
+
+                <td>
+                    <a href="{% url 'entities:farm:paddock_update' paddock.id %}">
+                        <i class="fa-solid fa-pen-to-square"></i>
+                    </a>
+                </td>
+
+                <td>
+                    <form method="POST" action="{% url 'entities:farm:paddock_delete' paddock.id %}">
+                        {% csrf_token %}
+                        <button type="submit" class="btn-icon-trash">
+                            <i class="fa-solid fa-trash"></i>
+                        </button>
+                    </form>
+                </td>
+            </tr>
+            {% endfor %}
+
+        </table>
+    {% endif %}
+{% endblock %}

multigranja/apps/entities/templates/paddock/paddock_new.html

@@ -0,0 +1,10 @@
+{% extends 'base.html' %}
+{% load static %}
+
+{% block extra_css %}
+    <link rel="stylesheet" href="{% static 'farm/css/home.css' %}"> 
+{% endblock %}
+
+{% block content %}
+    New - Paddock
+{% endblock %}

multigranja/apps/entities/templates/paddock/paddock_update.html

@@ -0,0 +1,10 @@
+{% extends 'base.html' %}
+{% load static %}
+
+{% block extra_css %}
+    <link rel="stylesheet" href="{% static 'farm/css/home.css' %}"> 
+{% endblock %}
+
+{% block content %}
+    Delete - Paddock
+{% endblock %}

multigranja/apps/entities/templates/paddock_group/paddock_group_home.html

@@ -0,0 +1,76 @@
+{% extends 'base.html' %}
+{% load static %}
+
+{% block extra_css %}
+    <link rel="stylesheet" href="{% static 'farm/css/paddock_group.css' %}"> 
+{% endblock %}
+
+{% block content %}
+    <div class="paddock_group_title">
+        <h1>Blocos</h1>
+
+        <form method="GET" action="{% url 'entities:farm:paddock_group_home' %}" class="form_paddock_group_search">
+            {% if filter_query %}
+                <a href="{% url 'entities:farm:paddock_group_home' %}" class="btn-clear-filter">
+                    {{filter_query}}<i class="fa-solid fa-xmark"></i>
+                </a>
+            {% endif %}
+
+            <label for="paddock_group_search">Buscar</label>
+            <input type="text" name="paddock_group_search" required>
+
+            <button type="submit">
+                <i class="fa-solid fa-magnifying-glass"></i>
+            </button>
+        </form>
+
+        <a href="{% url 'entities:farm:paddock_group_new' %}">
+            Novo <i class="fa-solid fa-plus"></i>
+        </a>
+    </div>
+
+    {% if not paddock_groups %}
+        <p>Nenhum bloco encontrado.</p>
+    {% else %}
+        <table>
+            <tr>
+                <th>Identificador</th>
+                <th>Descrição</th>
+                <th>Piquetes</th>
+                <th>Editar</th>
+                <th>Excluir</th>
+            </tr>
+
+            {% for group in paddock_groups %}
+            <tr>
+                <td>{{ group.identifier }}</td>
+                <td>{{ group.description }}</td>
+
+                <td>
+                    {% for paddock in group.paddocks.all %}
+                        {{ paddock.paddock_number }}{% if not forloop.last %}, {% endif %}
+                    {% empty %}
+                        -
+                    {% endfor %}
+                </td>
+
+                <td>
+                    <a href="{% url 'entities:farm:paddock_group_update' group.id %}">
+                        <i class="fa-solid fa-pen-to-square"></i>
+                    </a>
+                </td>
+
+                <td>
+                    <form method="POST" action="{% url 'entities:farm:paddock_group_delete' group.id %}">
+                        {% csrf_token %}
+                        <button type="submit" class="btn-icon-trash">
+                            <i class="fa-solid fa-trash"></i>
+                        </button>
+                    </form>
+                </td>
+            </tr>
+            {% endfor %}
+
+        </table>
+    {% endif %}
+{% endblock %}

multigranja/apps/entities/templates/paddock_group/paddock_group_new.html

@@ -0,0 +1,10 @@
+{% extends 'base.html' %}
+{% load static %}
+
+{% block extra_css %}
+    <link rel="stylesheet" href="{% static 'farm/css/home.css' %}"> 
+{% endblock %}
+
+{% block content %}
+    New - Paddock Group
+{% endblock %}

multigranja/apps/entities/templates/paddock_group/paddock_group_update.html

@@ -0,0 +1,10 @@
+{% extends 'base.html' %}
+{% load static %}
+
+{% block extra_css %}
+    <link rel="stylesheet" href="{% static 'farm/css/home.css' %}"> 
+{% endblock %}
+
+{% block content %}
+    Delete - Paddock Group
+{% endblock %}

multigranja/apps/entities/templates/rotation/rotation_home.html

@@ -0,0 +1,10 @@
+{% extends 'base.html' %}
+{% load static %}
+
+{% block extra_css %}
+    <link rel="stylesheet" href="{% static 'farm/css/home.css' %}"> 
+{% endblock %}
+
+{% block content %}
+    Home - Rotation
+{% endblock %}

multigranja/apps/entities/templates/rotation/rotation_new.html

@@ -0,0 +1,10 @@
+{% extends 'base.html' %}
+{% load static %}
+
+{% block extra_css %}
+    <link rel="stylesheet" href="{% static 'farm/css/home.css' %}"> 
+{% endblock %}
+
+{% block content %}
+    New - Rotation
+{% endblock %}

multigranja/apps/entities/templates/rotation/rotation_update.html

@@ -0,0 +1,10 @@
+{% extends 'base.html' %}
+{% load static %}
+
+{% block extra_css %}
+    <link rel="stylesheet" href="{% static 'farm/css/home.css' %}"> 
+{% endblock %}
+
+{% block content %}
+    Delete - Rotation
+{% endblock %}

multigranja/apps/entities/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.

multigranja/apps/entities/urls/__init__.py

@@ -0,0 +1,10 @@
+from django.urls import include, path
+
+app_name = "entities"
+
+urlpatterns = [
+    path("animal/", include("entities.urls.animal", namespace='animal')),
+    path("farm/", include("entities.urls.farm", namespace='farm')),
+    path("rotation/", include("entities.urls.rotation", namespace='rotation')),
+    path("user/", include("entities.urls.user", namespace='user')),
+]

multigranja/apps/entities/urls/animal.py

@@ -0,0 +1,17 @@
+from django.urls import path
+from ..views import animal as views
+
+app_name = 'animal'
+
+urlpatterns = [
+    path('', views.animal_home, name='animal_home'),
+    path('batch/', views.batch_home, name='batch_home'),
+
+    path('new/', views.animal_new, name='animal_new'),
+    path('update/<int:animal_id>', views.animal_update, name='animal_update'),
+    path('delete/<int:animal_id>', views.animal_delete, name='animal_delete'),
+    
+    path('batch/new/', views.batch_new, name='batch_new'),
+    path('batch/update/<int:batch_id>', views.batch_update, name='batch_update'),
+    path('batch/delete/<int:batch_id>', views.batch_delete, name='batch_delete'),
+]

multigranja/apps/entities/urls/farm.py

@@ -0,0 +1,22 @@
+from django.urls import path
+from ..views import farm as views
+
+app_name = 'farm'
+
+urlpatterns = [
+    path('', views.farm_home, name='farm_home'),
+    path('paddock/', views.paddock_home, name='paddock_home'),
+    path("paddock/group/", views.paddock_group_home, name="paddock_group_home"),
+
+    path('new/', views.farm_new, name='farm_new'),
+    path('update/<int:farm_id>', views.farm_update, name='farm_update'),
+    path('delete/<int:farm_id>', views.farm_delete, name='farm_delete'),
+    
+    path('paddock/new/', views.paddock_new, name='paddock_new'),
+    path('paddock/update/<int:paddock_id>', views.paddock_update, name='paddock_update'),
+    path('paddock/delete/<int:paddock_id>', views.paddock_delete, name='paddock_delete'),
+
+    path('paddock_group/new/', views.paddock_group_new, name='paddock_group_new'),
+    path('paddock_group/update/<int:paddock_group_id>', views.paddock_group_update, name='paddock_group_update'),
+    path('paddock_group/delete/<int:paddock_group_id>', views.paddock_group_delete, name='paddock_group_delete'),
+]

multigranja/apps/entities/urls/rotation.py

@@ -0,0 +1,14 @@
+from django.urls import path
+from django.http import HttpResponse
+from django.contrib.auth.decorators import login_required
+
+from ..views import rotation as views
+
+app_name = 'rotation'
+
+urlpatterns = [
+    path('', views.rotation_home, name='rotation_home'),
+
+    path('new/', views.rotation_new, name='rotation_new'),
+    path('delete/<int:rotation_id>', views.rotation_delete, name='rotation_delete'),
+]

multigranja/apps/entities/urls/user.py

@@ -0,0 +1,18 @@
+from django.urls import path
+from django.http import HttpResponse
+from django.contrib.auth.decorators import login_required
+from ..views import user as views
+
+app_name = 'user'
+
+urlpatterns = [
+    path('', views.user_profile, name='user_profile'),
+    path('login/', views.user_login, name='user_login'),
+    path('logout/', views.user_logout, name='user_logout'),
+    path('signin/', views.user_signin, name='user_signin'),
+
+    path('farm-select/', views.farm_select, name='farm_select'),
+    path('farm-set/<int:farm_id>/', views.farm_set, name='farm_set'),
+    path('farm-set/', views.farm_set, name='farm_set_post'),
+    path('farm-deselect/', views.farm_deselect, name='farm_deselect'),
+]

multigranja/apps/entities/views/__init__.py

@@ -0,0 +1,3 @@
+from .animal import *
+from .farm import *
+from .rotation import *

multigranja/apps/entities/views/animal.py

@@ -0,0 +1,76 @@
+from django.views.decorators.http import require_http_methods
+from django.shortcuts import redirect, render
+from core.decorators import farm_required
+
+from ..services import animal as services
+
+# Animal Views
+@farm_required
+def animal_home(request):
+    context = services.get_animal_home_context(request)
+    return render(request, 'animal/animal_home.html', context)
+
+
+@farm_required
+def animal_new(request):
+    if request.method == 'GET':
+        context = services.get_animal_new_context()
+        return render(request, 'animal/animal_new.html', context)
+
+    elif request.method == 'POST':
+        success = services.create_animal(request)
+        if success:
+            return redirect('entities:animal:animal_home')
+
+    return redirect('entities:animal:animal_new')
+
+
+@farm_required
+def animal_update(request, animal_id):
+    result = services.update_animal(request, animal_id)
+
+    if result.get('redirect'):
+        return redirect(result['redirect'])
+
+    return render(request, 'animal/animal_update.html', result['context'])
+
+
+@farm_required
+@require_http_methods(["POST"])
+def animal_delete(request, animal_id):
+    services.delete_animal(request, animal_id)
+    return redirect('entities:animal:animal_home')
+
+
+# Batch Views
+@farm_required
+def batch_home(request):
+    context = services.get_batch_home_context(request)
+    return render(request, 'batch/batch_home.html', context)
+
+
+@farm_required
+def batch_new(request):
+    result = services.create_batch(request)
+
+    if result.get('redirect'):
+        return redirect(result['redirect'])
+
+    return render(request, 'batch/batch_new.html', result['context'])
+
+
+@farm_required
+def batch_update(request, batch_id):
+    result = services.update_batch(request, batch_id)
+
+    if result.get('redirect'):
+        return redirect(result['redirect'])
+
+    return render(request, 'batch/batch_update.html', result['context'])
+
+
+@farm_required
+@require_http_methods(["POST"])
+def batch_delete(request, batch_id):
+    services.delete_batch(batch_id)
+    return redirect('entities:animal:batch_home')

multigranja/apps/entities/views/farm.py

@@ -0,0 +1,122 @@
+from django.views.decorators.http import require_http_methods
+from django.shortcuts import redirect, render
+from core.decorators import farm_required
+from ..services import farm as services
+
+# Farm Views
+@farm_required
+def farm_home(request):
+    context = services.get_farm_home_context(request)
+    return render(request, 'farm/farm_home.html', context)
+
+
+@farm_required
+def farm_new(request):
+    if request.method == 'GET':
+        context = services.get_farm_new_context()
+        return render(request, 'farm/farm_new.html', context)
+
+    elif request.method == 'POST':
+        success = services.create_farm(request)
+        if success:
+            return redirect('entities:farm:farm_home')
+
+    return redirect('entities:farm:farm_new')
+
+
+
+@farm_required
+def farm_update(request, farm_id):
+    result = services.update_farm(request, farm_id)
+
+    if result.get('redirect'):
+        return redirect(result['redirect'])
+
+    return render(request, 'farm/farm_update.html', result['context'])
+
+
+@farm_required
+@require_http_methods(["POST"])
+def farm_delete(request, farm_id):
+    services.delete_farm(request, farm_id)
+    return redirect('entities:farm:farm_home')
+
+
+# Paddock Views
+@farm_required
+def paddock_home(request):
+    context = {}
+    context['title'] = 'Piquete'
+    return render(request, 'paddock/paddock_home.html', context)
+
+
+@farm_required
+def paddock_new(request):
+    if request.method == 'GET':
+        context = services.get_paddock_new_context()
+        return render(request, 'paddock/paddock_new.html', context)
+
+    elif request.method == 'POST':
+        success = services.create_paddock(request)
+        if success:
+            return redirect('entities:farm:paddock_home')
+
+    return redirect('entities:farm:paddock_new')
+
+
+
+@farm_required
+def paddock_update(request, paddock_id):
+    result = services.update_paddock(request, paddock_id)
+
+    if result.get('redirect'):
+        return redirect(result['redirect'])
+
+    return render(request, 'paddock/paddock_update.html', result['context'])
+
+
+@farm_required
+@require_http_methods(["POST"])
+def paddock_delete(request, paddock_id):
+    services.delete_paddock(request, paddock_id)
+    return redirect('entities:farm:paddock_home')
+
+
+# Paddock Group Views
+@farm_required
+def paddock_group_home(request):
+    context = {}
+    context['title'] = 'Bloco'
+    return render(request, 'paddock_group/paddock_group_home.html', context)
+
+
+@farm_required
+def paddock_group_new(request):
+    if request.method == 'GET':
+        context = services.get_paddock_group_new_context()
+        return render(request, 'paddock_group/paddock_group_new.html', context)
+
+    elif request.method == 'POST':
+        success = services.create_paddock_group(request)
+        if success:
+            return redirect('entities:farm:paddock_group_home')
+
+    return redirect('entities:farm:paddock_group_new')
+
+
+
+@farm_required
+def paddock_group_update(request, paddock_group_id):
+    result = services.update_paddock_group(request, paddock_group_id)
+
+    if result.get('redirect'):
+        return redirect(result['redirect'])
+
+    return render(request, 'paddock_group/paddock_group_update.html', result['context'])
+
+
+@farm_required
+@require_http_methods(["POST"])
+def paddock_group_delete(request, paddock_group_id):
+    services.delete_paddock_group(request, paddock_group_id)
+    return redirect('entities:farm:paddock_group_home')

multigranja/apps/entities/views/rotation.py

@@ -0,0 +1,10 @@
+from django.shortcuts import render
+
+def rotation_home(request):
+    return render(request, 'rotation/rotation_home.html')
+
+def rotation_new(request):
+    return render(request, 'rotation/rotation_new.html')
+
+def rotation_delete(request):
+    return render(request, 'rotation/rotation_delete.html')

multigranja/apps/entities/views/user.py

@@ -0,0 +1,40 @@
+from django.shortcuts import redirect, render
+from ..services import user as services
+
+
+def user_profile(request):  # TO DO
+    return services.user_profile(request)
+
+
+def user_login(request):
+    result = services.user_login(request)
+
+    if result.get('redirect'):
+        return redirect(result['redirect'])
+
+    return render(request, 'login.html', result['context'])
+
+
+def user_logout(request):
+    return services.user_logout(request)
+
+
+def user_signin(request):  # TO DO
+    return services.user_signin(request)
+
+
+def farm_select(request):
+    result = services.farm_select(request)
+
+    if result.get('redirect'):
+        return redirect(result['redirect'])
+
+    return render(request, 'farm_select.html', result['context'])
+
+
+def farm_set(request, farm_id=None):
+    return services.farm_set(request, farm_id)
+
+
+def farm_deselect(request):
+    return services.farm_deselect(request)

multigranja/apps/report/admin.py

@@ -0,0 +1,3 @@
+from django.contrib import admin
+
+# Register your models here.

multigranja/apps/report/apps.py

@@ -0,0 +1,5 @@
+from django.apps import AppConfig
+
+
+class ReportConfig(AppConfig):
+    name = 'report'

multigranja/apps/report/models.py

@@ -0,0 +1,3 @@
+from django.db import models
+
+# Create your models here.

multigranja/apps/report/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.

multigranja/apps/report/urls.py

@@ -0,0 +1,13 @@
+from django.urls import path
+from django.http import HttpResponse
+from django.contrib.auth.decorators import login_required
+
+app_name = 'report'
+
+@login_required(login_url='/user/login/')
+def home(request):
+    return HttpResponse("Home app page")
+
+urlpatterns = [
+    path('', home),
+]

multigranja/apps/report/views.py

@@ -0,0 +1,3 @@
+from django.shortcuts import render
+
+# Create your views here.

multigranja/manage.py

@@ -0,0 +1,22 @@
+#!/usr/bin/env python
+"""Django's command-line utility for administrative tasks."""
+import os
+import sys
+
+
+def main():
+    """Run administrative tasks."""
+    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'multigranja.settings')
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError as exc:
+        raise ImportError(
+            "Couldn't import Django. Are you sure it's installed and "
+            "available on your PYTHONPATH environment variable? Did you "
+            "forget to activate a virtual environment?"
+        ) from exc
+    execute_from_command_line(sys.argv)
+
+
+if __name__ == '__main__':
+    main()

multigranja/multigranja/asgi.py

@@ -0,0 +1,7 @@
+import os
+
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'multigranja.settings')
+
+application = get_asgi_application()

multigranja/multigranja/settings.py

@@ -0,0 +1,148 @@
+from pathlib import Path
+import sys
+
+# Build paths inside the project like this: BASE_DIR / 'subdir'.
+BASE_DIR = Path(__file__).resolve().parent.parent
+sys.path.append(str(BASE_DIR / "apps"))
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/6.0/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = 'django-insecure-aziq*utn^c^-nha$#r4veem)7iew70x47zo!9wfsb(y)pav_6v'
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = True
+
+ALLOWED_HOSTS = ['*']
+
+
+# Application definition
+
+INSTALLED_APPS = [
+    'django.contrib.admin',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+    # My apps
+    'core',
+    'entities',
+    'report',
+]
+
+MIDDLEWARE = [
+    'django.middleware.security.SecurityMiddleware',
+    'django.contrib.sessions.middleware.SessionMiddleware',
+    'django.middleware.common.CommonMiddleware',
+    'django.middleware.csrf.CsrfViewMiddleware',
+    'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'django.contrib.messages.middleware.MessageMiddleware',
+    'django.middleware.clickjacking.XFrameOptionsMiddleware',
+    # My middlewares
+    'core.middlewares.LoginRequiredMiddleware',
+]
+
+# Defines the system login URL
+LOGIN_URL = '/user/login/'
+# Defines URL paths that do not require login
+LOGIN_EXEMPT_PATHS = [
+    '/user/login/',
+    '/user/signin/',
+]
+# Defines prefixes for URL paths that do not require login
+LOGIN_EXEMPT_PREFIX = [
+    '/admin/',
+]
+
+ROOT_URLCONF = 'multigranja.urls'
+
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [BASE_DIR/'templates'],
+        'APP_DIRS': True,
+        'OPTIONS': {
+            'context_processors': [
+                'django.template.context_processors.request',
+                'django.contrib.auth.context_processors.auth',
+                'django.contrib.messages.context_processors.messages',
+                # My processors
+                'core.context_processors.selected_farm_processor',
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = 'multigranja.wsgi.application'
+
+
+# Database
+# https://docs.djangoproject.com/en/5.2/ref/settings/#databases
+
+# DATABASES = {
+#     'default': {
+#         'ENGINE': 'django.db.backends.postgresql',
+#         'NAME': 'multifarmdb',
+#         'USER': 'postgres',
+#         'PASSWORD': 'root',
+#         'HOST': 'localhost',
+#         'PORT': '5432',
+#     }
+# }
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': BASE_DIR / 'db.sqlite3',
+    }
+}
+
+
+# Password validation
+# https://docs.djangoproject.com/en/6.0/ref/settings/#auth-password-validators
+
+AUTH_PASSWORD_VALIDATORS = [
+    {
+        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
+    },
+]
+
+AUTH_USER_MODEL = 'entities.User'
+
+
+# Internationalization
+# https://docs.djangoproject.com/en/6.0/topics/i18n/
+
+LANGUAGE_CODE = 'pt-br'
+
+TIME_ZONE = 'America/Sao_Paulo'
+
+USE_I18N = True
+
+USE_TZ = True
+
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/5.2/howto/static-files/
+
+STATIC_URL = 'static/'
+STATIC_DIR = [BASE_DIR / "static"]
+STATICFILES_DIRS = [
+    BASE_DIR / "static",
+]
+
+# Default primary key field type
+# https://docs.djangoproject.com/en/5.2/ref/settings/#default-auto-field
+
+DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'

multigranja/multigranja/urls.py

@@ -0,0 +1,13 @@
+from django.contrib import admin
+from django.shortcuts import redirect
+from django.urls import path, include
+
+def home(request):
+    return redirect('entities:user:user_login')
+
+urlpatterns = [
+    path('admin/', admin.site.urls),
+    path('', home),
+    path('', include('entities.urls')),
+    path('report/', include('report.urls')),
+]

multigranja/multigranja/wsgi.py

@@ -0,0 +1,16 @@
+"""
+WSGI config for multigranja project.
+
+It exposes the WSGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/6.0/howto/deployment/wsgi/
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'multigranja.settings')
+
+application = get_wsgi_application()

multigranja/static/css/base/reset.css

@@ -0,0 +1,42 @@
+/*
+ * File: static/css/base/reset.css
+ * Purpose: Normalize and reset default browser styles.
+ */
+*,
+*::before,
+*::after {
+    box-sizing: border-box;
+    margin: 0;
+    padding: 0;
+}
+
+html {
+    font-size: 16px;
+    font-family: Arial, sans-serif;
+    line-height: 1.5;
+}
+
+ul, ol {
+    list-style: none;
+}
+
+a {
+    color: inherit;
+    text-decoration: none;
+}
+
+img,
+picture,
+video,
+canvas,
+svg {
+    display: block;
+    max-width: 100%;
+}
+
+input,
+button,
+textarea,
+select {
+    font: inherit;
+}

multigranja/static/css/base/variables.css

@@ -0,0 +1,50 @@
+:root {
+    /* SPECIFIC COLORS */
+    --login-background-primary: #343a40;
+    --login-background-secondary: #6b7480;
+    --color-login-button: #343a40;
+    --color-login-button-focus: #6b7480;
+    --color-farm-select-hover: #343a40;
+    --color-farm-select-info: #6d6d6d;
+    --color-new-farm-button: #343a40;
+    --color-new-farm-hover: #6b7480;
+
+    /* GENERIC COLORS */
+    --color-simple-light-gray: #ccc;
+    --color-border-subtle: #ccc;
+
+    /* PRIMARY COLORS */
+    --color-primary: #007bff;
+    --color-secondary: #6c757d;
+    --color-success: #28a745;
+    --color-danger: #dc3545;
+    --color-danger-light: #f8d7da;
+    --color-warn: #dca235;
+
+    /* BACKGROUND/TEXT COLORS */
+    --color-bg-light: #f0f0f0;
+    --color-bg-white: #fafafa;
+    --color-bg-dark: #343a40;
+    --color-bg-sidebar: #343a40;
+    --color-text-dark: #151422;
+    --color-text-light: #f8f9fa;
+
+    /* SPACING DIMENSIONS */
+    --space-xs: 8px;
+    --space-sm: 12px;
+    --space-md: 16px;
+    --space-lg: 24px;
+    --space-xl: 32px;
+    --header-height: 60px;
+
+    /* FONT DIMENSIONS */
+    --font-xs: 12px;
+    --font-sm: 14px;
+    --font-md: 16px;
+    --font-lg: 24px;
+    --font-xl: 32px;
+    
+    --border-radius-sm: 4px;
+    --transition-speed: 0.4s;
+    --transition-speed-long: 1.0s;
+}

multigranja/static/css/layout/buttons.css

@@ -0,0 +1,54 @@
+/* BUTTON STYLES */
+.btn-simple {
+    color: var(--color-text-dark);
+    padding: 0 var(--space-xs);
+    border-radius: var(--border-radius-sm);
+}
+
+.btn-simple:hover {
+    color: var(--color-text-light);
+    background-color: var(--color-bg-dark);
+    transition: all var(--transition-speed) ease;
+}
+
+/* PRIMARY BUTTON (Main Action) */
+.btn-primary {
+    background-color: var(--color-primary);
+    padding: var(--space-sm);
+    border-radius: var(--border-radius-sm);
+    color: var(--color-text-light); /* White text */
+}
+
+.btn-primary:hover {
+    background-color: #0056b3; /* Darker blue on hover (a specific dark value often works best) */
+}
+
+/* SECONDARY BUTTON (Neutral Action) */
+.btn-secondary {
+    background-color: var(--color-secondary);
+    padding: var(--space-sm);
+    border-radius: var(--border-radius-sm);
+    color: var(--color-text-light);
+}
+
+.btn-secondary:hover {
+    background-color: #5a6268;
+}
+
+/* SUCCESS/DANGER BUTTONS */
+.btn-success {
+    background-color: var(--color-success);
+    color: var(--color-text-light);
+}
+
+.btn-danger {
+    background-color: var(--color-danger);
+    color: var(--color-text-light);
+}
+
+/* HOVER EFFECTS */
+.highlight-hover:hover {
+    background-color: rgba(255, 255, 255, 0.15);
+    backdrop-filter: blur(8px);
+    transition: all var(--transition-speed) ease;
+}

multigranja/static/css/layout/global.css

@@ -0,0 +1,151 @@
+/* DEFAULTS */
+body {
+    background-color: var(--color-bg-light);
+}
+
+.w33 {
+    width: 33%;
+}
+
+/* SIDE BAR */
+.sidebar {
+    position: fixed;
+    top: 0;
+    left: 0;
+    height: 100vh;
+    width: 250px;
+    background-color: var(--color-bg-sidebar);
+    padding: 0 var(--space-md);
+    overflow-y: auto;
+    overflow-x: hidden;
+    z-index: 1000;
+    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
+}
+
+.sidebar-brand {
+    text-align: center;
+    padding: var(--space-md);
+    color: var(--color-text-light);
+    font-weight: bold;
+    font-size: var(--font-lg);
+    display: block;
+    margin-bottom: var(--space-sm);
+}
+
+.sidebar-menu {
+    margin: var(--space-sm) 0;
+}
+
+.sidebar-header {
+    color: var(--color-text-light);
+    font-size: var(--font-sm);
+    margin-top: var(--space-xs);
+    padding: var(--space-xs) 0;
+    text-transform: uppercase;
+    opacity: 0.6;
+}
+
+.sidebar-link {
+    color: var(--color-text-light);
+    padding: var(--space-xs) var(--space-xs);
+    border-radius: var(--border-radius-sm);
+    width: 100%;
+    display: block;
+    opacity: 1;
+    transition: opacity var(--transition-speed-long) cubic-bezier(0.2, 0.85, 0.75, 1.7), transform var(--transition-speed) ease;
+}
+
+.active {
+    background-color: rgba(255, 255, 255, 0.15);
+    backdrop-filter: blur(8px);
+    box-shadow: inset -1px 0 0 0 rgba(255, 255, 255, 0.2), inset 0 -1px 0 0 rgba(255, 255, 255, 0.2);
+}
+
+/* SIDEBAR TOGGLING */
+
+body.sidebar-collapsed .sidebar {
+    transform: translateX(-250px);
+}
+
+body.sidebar-collapsed .sidebar-link {
+    opacity: -20;
+    transform: translateX(260px);
+}
+
+body.sidebar-collapsed .navbar,
+body.sidebar-collapsed .main-content {
+    transform: translateX(0);
+    width: 100%;
+}
+
+.sidebar,
+.navbar,
+.main-content {
+    transition: all var(--transition-speed) ease;
+}
+
+/* NAV BAR */
+.navbar {
+    position: fixed;
+    top: 0;
+    left: 0;
+    right: 0;
+    transform: translateX(250px);
+    height: var(--header-height);
+    width: calc(100% - 250px);
+    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    padding: 0 var(--space-md);
+    z-index: 900;
+}
+
+#sidebar-toggle {
+    cursor: pointer;
+}
+
+/* Inicio do css do seletor antigo */
+.navbar-farm-selector {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    cursor: default;
+    opacity: 0.75;
+    transition: all var(--transition-speed) ease;
+}
+
+.navbar-farm-selector:hover {
+    opacity: 1;
+}
+
+.farm-name {
+    font-size: var(--font-md);
+    font-weight: 500;
+    margin: 0; 
+    white-space: nowrap;
+}
+/* Fim do css do seletor antigo */
+
+.navbar-user-info {
+    display: flex;
+    justify-content: flex-end;
+    gap: var(--space-md);
+}
+
+.username {
+    cursor: default;
+}
+
+/* MAIN CONTENT */
+.main-content {
+    position: absolute;
+    top: var(--header-height);
+    left: 0;
+    bottom: 0;
+    right: 0;
+    transform: translateX(250px);
+    padding: var(--space-lg);
+    width: calc(100% - 250px);
+    overflow-y: auto;
+}

multigranja/static/js/main.js

@@ -0,0 +1,19 @@
+// SIDEBAR TOGGLER
+document.addEventListener("DOMContentLoaded", () => {
+  const button = document.getElementById("sidebar-toggle");
+  const body = document.body;
+
+  if (!button) return;
+
+  const savedState = localStorage.getItem("sidebarCollapsed");
+  if (savedState === "true") {
+    body.classList.add("sidebar-collapsed");
+  }
+
+  button.addEventListener("click", () => {
+    body.classList.toggle("sidebar-collapsed");
+
+    const isCollapsed = body.classList.contains("sidebar-collapsed");
+    localStorage.setItem("sidebarCollapsed", isCollapsed);
+  });
+});