FINAL

core/admin.py

@@ -1,3 +1,24 @@
 from django.contrib import admin
+from .models import Product, Customer, Seller, Sale, SaleItem
 
-# Register your models here.
+
+@admin.register(Product)
+class ProductAdmin(admin.ModelAdmin):
+    list_display = ("name", "price", "stock_quantity")
+
+@admin.register(Customer)
+class CustomerAdmin(admin.ModelAdmin):
+    list_display = ("name", "email", "phone")
+
+@admin.register(Seller)
+class SellerAdmin(admin.ModelAdmin):
+    list_display = ("name", "email", "phone", "commission")
+
+class SaleItemInline(admin.TabularInline):
+    model = SaleItem
+    extra = 1
+
+@admin.register(Sale)
+class SaleAdmin(admin.ModelAdmin):
+    list_display = ("id", "customer", "sale_date", "total_amount")
+    inlines = [SaleItemInline]

core/forms.py

@@ -0,0 +1,36 @@
+from django import forms
+from .models import Product, Customer, Seller, Sale, SaleItem
+
+class SellerForm(forms.ModelForm):
+    class Meta:
+        model = Seller
+        fields = '__all__'
+
+class SaleForm(forms.ModelForm):
+    class Meta:
+        model = Sale
+        fields = ['customer', 'seller']
+        labels = {
+            'customer': 'Cliente',
+            'seller': 'Vendedor',
+        }
+
+class SaleItemForm(forms.ModelForm):
+    class Meta:
+        model = SaleItem
+        fields = ['product', 'quantity', 'lote']
+        labels = {
+            'product': 'Produto',
+            'quantity': 'Quantidade',
+            'lote': 'Lote',
+        }
+
+class ProductForm(forms.ModelForm):
+    class Meta:
+        model = Product
+        fields = '__all__'
+
+class CustomerForm(forms.ModelForm):
+    class Meta:
+        model = Customer
+        fields = '__all__'

core/migrations/0001_initial.py

@@ -0,0 +1,25 @@
+# Generated by Django 5.2.7 on 2025-12-23 14:42
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Product',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=200)),
+                ('description', models.TextField()),
+                ('price', models.DecimalField(decimal_places=2, max_digits=10)),
+                ('stock_quantity', models.PositiveIntegerField(default=0)),
+                ('image_url', models.URLField(blank=True, max_length=1024, null=True)),
+            ],
+        ),
+    ]

core/migrations/0002_customer.py

@@ -0,0 +1,23 @@
+# Generated by Django 5.2.7 on 2025-12-23 14:49
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Customer',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=200)),
+                ('email', models.EmailField(max_length=254, unique=True)),
+                ('phone', models.CharField(blank=True, max_length=20, null=True)),
+                ('address', models.TextField(blank=True, null=True)),
+            ],
+        ),
+    ]

core/migrations/0003_supplier.py

@@ -0,0 +1,25 @@
+# Generated by Django 5.2.7 on 2025-12-23 14:53
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0002_customer'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Supplier',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=200)),
+                ('contact_person', models.CharField(blank=True, max_length=200, null=True)),
+                ('email', models.EmailField(max_length=254, unique=True)),
+                ('phone', models.CharField(blank=True, max_length=20, null=True)),
+                ('address', models.TextField(blank=True, null=True)),
+                ('website', models.URLField(blank=True, max_length=1024, null=True)),
+            ],
+        ),
+    ]

core/migrations/0004_sale_saleitem.py

@@ -0,0 +1,33 @@
+# Generated by Django 5.2.7 on 2025-12-23 14:58
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0003_supplier'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Sale',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('sale_date', models.DateTimeField(auto_now_add=True)),
+                ('total_amount', models.DecimalField(decimal_places=2, default=0.0, max_digits=10)),
+                ('customer', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='core.customer')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='SaleItem',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('quantity', models.PositiveIntegerField(default=1)),
+                ('price', models.DecimalField(decimal_places=2, max_digits=10)),
+                ('product', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='core.product')),
+                ('sale', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='items', to='core.sale')),
+            ],
+        ),
+    ]

core/migrations/0005_sale_lote.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2.7 on 2025-12-23 15:04
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0004_sale_saleitem'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='sale',
+            name='lote',
+            field=models.CharField(blank=True, max_length=200, null=True),
+        ),
+    ]

core/migrations/0006_alter_customer_options_alter_product_options_and_more.py

@@ -0,0 +1,149 @@
+# Generated by Django 5.2.7 on 2025-12-23 16:43
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0005_sale_lote'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='customer',
+            options={'verbose_name': 'Cliente', 'verbose_name_plural': 'Clientes'},
+        ),
+        migrations.AlterModelOptions(
+            name='product',
+            options={'verbose_name': 'Produto', 'verbose_name_plural': 'Produtos'},
+        ),
+        migrations.AlterModelOptions(
+            name='sale',
+            options={'verbose_name': 'Venda', 'verbose_name_plural': 'Vendas'},
+        ),
+        migrations.AlterModelOptions(
+            name='saleitem',
+            options={'verbose_name': 'Item da Venda', 'verbose_name_plural': 'Itens da Venda'},
+        ),
+        migrations.AlterModelOptions(
+            name='supplier',
+            options={'verbose_name': 'Fornecedor', 'verbose_name_plural': 'Fornecedores'},
+        ),
+        migrations.AlterField(
+            model_name='customer',
+            name='address',
+            field=models.TextField(blank=True, null=True, verbose_name='Endereço'),
+        ),
+        migrations.AlterField(
+            model_name='customer',
+            name='email',
+            field=models.EmailField(max_length=254, unique=True, verbose_name='Email'),
+        ),
+        migrations.AlterField(
+            model_name='customer',
+            name='name',
+            field=models.CharField(max_length=200, verbose_name='Nome'),
+        ),
+        migrations.AlterField(
+            model_name='customer',
+            name='phone',
+            field=models.CharField(blank=True, max_length=20, null=True, verbose_name='Telefone'),
+        ),
+        migrations.AlterField(
+            model_name='product',
+            name='description',
+            field=models.TextField(verbose_name='Descrição'),
+        ),
+        migrations.AlterField(
+            model_name='product',
+            name='image_url',
+            field=models.URLField(blank=True, max_length=1024, null=True, verbose_name='URL da Imagem'),
+        ),
+        migrations.AlterField(
+            model_name='product',
+            name='name',
+            field=models.CharField(max_length=200, verbose_name='Nome'),
+        ),
+        migrations.AlterField(
+            model_name='product',
+            name='price',
+            field=models.DecimalField(decimal_places=2, max_digits=10, verbose_name='Preço'),
+        ),
+        migrations.AlterField(
+            model_name='product',
+            name='stock_quantity',
+            field=models.PositiveIntegerField(default=0, verbose_name='Quantidade em Estoque'),
+        ),
+        migrations.AlterField(
+            model_name='sale',
+            name='customer',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='core.customer', verbose_name='Cliente'),
+        ),
+        migrations.AlterField(
+            model_name='sale',
+            name='lote',
+            field=models.CharField(blank=True, max_length=200, null=True, verbose_name='Lote'),
+        ),
+        migrations.AlterField(
+            model_name='sale',
+            name='sale_date',
+            field=models.DateTimeField(auto_now_add=True, verbose_name='Data da Venda'),
+        ),
+        migrations.AlterField(
+            model_name='sale',
+            name='total_amount',
+            field=models.DecimalField(decimal_places=2, default=0.0, max_digits=10, verbose_name='Valor Total'),
+        ),
+        migrations.AlterField(
+            model_name='saleitem',
+            name='price',
+            field=models.DecimalField(decimal_places=2, max_digits=10, verbose_name='Preço'),
+        ),
+        migrations.AlterField(
+            model_name='saleitem',
+            name='product',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='core.product', verbose_name='Produto'),
+        ),
+        migrations.AlterField(
+            model_name='saleitem',
+            name='quantity',
+            field=models.PositiveIntegerField(default=1, verbose_name='Quantidade'),
+        ),
+        migrations.AlterField(
+            model_name='saleitem',
+            name='sale',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='items', to='core.sale', verbose_name='Venda'),
+        ),
+        migrations.AlterField(
+            model_name='supplier',
+            name='address',
+            field=models.TextField(blank=True, null=True, verbose_name='Endereço'),
+        ),
+        migrations.AlterField(
+            model_name='supplier',
+            name='contact_person',
+            field=models.CharField(blank=True, max_length=200, null=True, verbose_name='Pessoa de Contato'),
+        ),
+        migrations.AlterField(
+            model_name='supplier',
+            name='email',
+            field=models.EmailField(max_length=254, unique=True, verbose_name='Email'),
+        ),
+        migrations.AlterField(
+            model_name='supplier',
+            name='name',
+            field=models.CharField(max_length=200, verbose_name='Nome'),
+        ),
+        migrations.AlterField(
+            model_name='supplier',
+            name='phone',
+            field=models.CharField(blank=True, max_length=20, null=True, verbose_name='Telefone'),
+        ),
+        migrations.AlterField(
+            model_name='supplier',
+            name='website',
+            field=models.URLField(blank=True, max_length=1024, null=True, verbose_name='Website'),
+        ),
+    ]

core/migrations/0007_rename_supplier_to_seller.py

@@ -0,0 +1,17 @@
+# Generated by Django 5.2.7 on 2025-12-23 17:08
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0006_alter_customer_options_alter_product_options_and_more'),
+    ]
+
+    operations = [
+        migrations.RenameModel(
+            old_name='Supplier',
+            new_name='Seller',
+        ),
+    ]

core/migrations/0008_alter_seller_options_remove_seller_contact_person_and_more.py

@@ -0,0 +1,31 @@
+# Generated by Django 5.2.7 on 2025-12-23 16:49
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0007_rename_supplier_to_seller'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='seller',
+            options={'verbose_name': 'Vendedor', 'verbose_name_plural': 'Vendedores'},
+        ),
+        migrations.RemoveField(
+            model_name='seller',
+            name='contact_person',
+        ),
+        migrations.AddField(
+            model_name='seller',
+            name='commission',
+            field=models.DecimalField(decimal_places=2, default=0.0, max_digits=5, verbose_name='Comissão'),
+        ),
+        migrations.AddField(
+            model_name='seller',
+            name='description',
+            field=models.TextField(blank=True, null=True, verbose_name='Descrição'),
+        ),
+    ]

core/migrations/0009_product_commission_rate_sale_commission_amount_and_more.py

@@ -0,0 +1,29 @@
+# Generated by Django 5.2.7 on 2025-12-23 16:55
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0008_alter_seller_options_remove_seller_contact_person_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='product',
+            name='commission_rate',
+            field=models.DecimalField(decimal_places=2, default=5.0, max_digits=5, verbose_name='Taxa de Comissão'),
+        ),
+        migrations.AddField(
+            model_name='sale',
+            name='commission_amount',
+            field=models.DecimalField(decimal_places=2, default=0.0, max_digits=10, verbose_name='Valor da Comissão'),
+        ),
+        migrations.AddField(
+            model_name='sale',
+            name='seller',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='core.seller', verbose_name='Vendedor'),
+        ),
+    ]

core/migrations/0010_saleitem_commission_rate.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2.7 on 2025-12-23 17:32
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0009_product_commission_rate_sale_commission_amount_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='saleitem',
+            name='commission_rate',
+            field=models.DecimalField(decimal_places=2, default=0.0, max_digits=5, verbose_name='Taxa de Comissão'),
+        ),
+    ]

core/migrations/0011_saleitem_lote.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2.7 on 2025-12-23 17:48
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0010_saleitem_commission_rate'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='saleitem',
+            name='lote',
+            field=models.CharField(blank=True, max_length=200, null=True, verbose_name='Lote'),
+        ),
+    ]

core/models.py

@@ -1,3 +1,77 @@
 from django.db import models
 
-# Create your models here.
+class Product(models.Model):
+    name = models.CharField("Nome", max_length=200)
+    description = models.TextField("Descrição")
+    price = models.DecimalField("Preço", max_digits=10, decimal_places=2)
+    stock_quantity = models.PositiveIntegerField("Quantidade em Estoque", default=0)
+    image_url = models.URLField("URL da Imagem", max_length=1024, blank=True, null=True)
+    commission_rate = models.DecimalField("Taxa de Comissão", max_digits=5, decimal_places=2, default=5.00)
+
+    class Meta:
+        verbose_name = "Produto"
+        verbose_name_plural = "Produtos"
+
+    def __str__(self):
+        return self.name
+
+class Customer(models.Model):
+    name = models.CharField("Nome", max_length=200)
+    email = models.EmailField("Email", max_length=254, unique=True)
+    phone = models.CharField("Telefone", max_length=20, blank=True, null=True)
+    address = models.TextField("Endereço", blank=True, null=True)
+
+    class Meta:
+        verbose_name = "Cliente"
+        verbose_name_plural = "Clientes"
+
+    def __str__(self):
+        return self.name
+
+class Seller(models.Model):
+    name = models.CharField("Nome", max_length=200)
+    description = models.TextField("Descrição", blank=True, null=True)
+    email = models.EmailField("Email", max_length=254, unique=True)
+    phone = models.CharField("Telefone", max_length=20, blank=True, null=True)
+    address = models.TextField("Endereço", blank=True, null=True)
+    website = models.URLField("Website", max_length=1024, blank=True, null=True)
+    commission = models.DecimalField("Comissão", max_digits=5, decimal_places=2, default=0.00)
+
+    class Meta:
+        verbose_name = "Vendedor"
+        verbose_name_plural = "Vendedores"
+
+    def __str__(self):
+        return self.name
+
+
+class Sale(models.Model):
+    customer = models.ForeignKey(Customer, on_delete=models.CASCADE, verbose_name="Cliente")
+    seller = models.ForeignKey(Seller, on_delete=models.SET_NULL, null=True, blank=True, verbose_name="Vendedor")
+    sale_date = models.DateTimeField("Data da Venda", auto_now_add=True)
+    total_amount = models.DecimalField("Valor Total", max_digits=10, decimal_places=2, default=0.00)
+    commission_amount = models.DecimalField("Valor da Comissão", max_digits=10, decimal_places=2, default=0.00)
+    lote = models.CharField("Lote", max_length=200, blank=True, null=True)
+
+    class Meta:
+        verbose_name = "Venda"
+        verbose_name_plural = "Vendas"
+
+    def __str__(self):
+        return f"Venda #{self.pk} - {self.customer.name}"
+
+
+class SaleItem(models.Model):
+    sale = models.ForeignKey(Sale, related_name='items', on_delete=models.CASCADE, verbose_name="Venda")
+    product = models.ForeignKey(Product, on_delete=models.CASCADE, verbose_name="Produto")
+    lote = models.CharField("Lote", max_length=200, blank=True, null=True)
+    quantity = models.PositiveIntegerField("Quantidade", default=1)
+    price = models.DecimalField("Preço", max_digits=10, decimal_places=2)
+    commission_rate = models.DecimalField("Taxa de Comissão", max_digits=5, decimal_places=2, default=0.00)
+
+    class Meta:
+        verbose_name = "Item da Venda"
+        verbose_name_plural = "Itens da Venda"
+
+    def __str__(self):
+        return f"{self.quantity} de {self.product.name} na Venda #{self.sale.pk}"

core/templates/base.html

@@ -1,10 +1,10 @@
 <!DOCTYPE html>
-<html lang="en">
+<html lang="pt-BR">
 
 <head>
   <meta charset="UTF-8">
     <meta name="description" content="Meta description for the page">
-    <title>Flatlogic</title>
+    <title>EletroNorteAr</title>
     <link rel="preconnect" href="https://fonts.googleapis.com">
     <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
     <link href="https://fonts.googleapis.com/css2?family=Poppins:wght@400;600&family=Roboto:wght@400;700&display=swap" rel="stylesheet">
@@ -28,7 +28,7 @@
   <nav class="navbar navbar-expand-lg navbar-dark bg-dark">
     <div class="container">
       <a class="navbar-brand" href="{% url 'index' %}">EletroNorteAr</a>
-      <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
+      <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Alternar navegação">
         <span class="navbar-toggler-icon"></span>
       </button>
       <div class="collapse navbar-collapse" id="navbarNav">
@@ -40,13 +40,13 @@
             <a class="nav-link" href="{% url 'customer_list' %}">Clientes</a>
           </li>
           <li class="nav-item">
-            <a class="nav-link" href="{% url 'supplier-list' %}">Fornecedores</a>
+            <a class="nav-link" href="{% url 'seller-list' %}">Vendedores</a>
           </li>
           <li class="nav-item">
             <a class="nav-link" href="{% url 'sale_list' %}">Vendas</a>
           </li>
           <li class="nav-item">
-            <a class="nav-link" href="/admin">Admin</a>
+            <a class="nav-link" href="/admin">Administração</a>
           </li>
         </ul>
       </div>

core/templates/core/article_detail.html

@@ -5,7 +5,7 @@
 {% block content %}
 <div class="container mt-5">
     <h1>{{ article.title }}</h1>
-    <p class="text-muted">Published on {{ article.created_at|date:"F d, Y" }}</p>
+    <p class="text-muted">Publicado em {{ article.created_at|date:"d \\de F \\de Y" }}</p>
     <hr>
     <div>
         {{ article.content|safe }}

core/templates/core/customer_confirm_delete.html

@@ -0,0 +1,11 @@
+{% extends 'base.html' %}
+
+{% block content %}
+  <h1>Excluir Cliente</h1>
+  <p>Tem certeza que deseja excluir "{{ object.name }}"?</p>
+  <form method="post">
+    {% csrf_token %}
+    <button type="submit" class="btn btn-danger">Excluir</button>
+    <a href="{% url 'customer_list' %}" class="btn btn-secondary">Cancelar</a>
+  </form>
+{% endblock %}

core/templates/core/customer_form.html

@@ -0,0 +1,10 @@
+{% extends 'base.html' %}
+
+{% block content %}
+  <h1>{% if object %}Atualizar Cliente{% else %}Novo Cliente{% endif %}</h1>
+  <form method="post">
+    {% csrf_token %}
+    {{ form.as_p }}
+    <button type="submit" class="btn btn-primary">Salvar</button>
+  </form>
+{% endblock %}

core/templates/core/customer_list.html

@@ -0,0 +1,31 @@
+{% extends 'base.html' %}
+
+{% block content %}
+  <h1>Clientes</h1>
+  <a href="{% url 'customer_create' %}" class="btn btn-primary mb-3">Novo Cliente</a>
+  <table class="table">
+    <thead>
+      <tr>
+        <th>Nome</th>
+        <th>Email</th>
+        <th>Telefone</th>
+        <th>Endereço</th>
+        <th>Ações</th>
+      </tr>
+    </thead>
+    <tbody>
+      {% for customer in customers %}
+        <tr>
+          <td>{{ customer.name }}</td>
+          <td>{{ customer.email }}</td>
+          <td>{{ customer.phone }}</td>
+          <td>{{ customer.address }}</td>
+          <td>
+            <a href="{% url 'customer_update' customer.pk %}" class="btn btn-sm btn-info">Editar</a>
+            <a href="{% url 'customer_delete' customer.pk %}" class="btn btn-sm btn-danger">Excluir</a>
+          </td>
+        </tr>
+      {% endfor %}
+    </tbody>
+  </table>
+{% endblock %}

core/templates/core/index.html

@@ -1,145 +1,42 @@
-{% extends "base.html" %}
+{% extends 'base.html' %}
-
+{% load static %}
-{% block title %}{{ project_name }}{% endblock %}
-
-{% block head %}
-<link rel="preconnect" href="https://fonts.googleapis.com">
-<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
-<link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;700&display=swap" rel="stylesheet">
-<style>
-  :root {
-    --bg-color-start: #6a11cb;
-    --bg-color-end: #2575fc;
-    --text-color: #ffffff;
-    --card-bg-color: rgba(255, 255, 255, 0.01);
-    --card-border-color: rgba(255, 255, 255, 0.1);
-  }
-
-  * {
-    box-sizing: border-box;
-  }
-
-  body {
-    margin: 0;
-    font-family: 'Inter', sans-serif;
-    background: linear-gradient(45deg, var(--bg-color-start), var(--bg-color-end));
-    color: var(--text-color);
-    display: flex;
-    justify-content: center;
-    align-items: center;
-    min-height: 100vh;
-    text-align: center;
-    overflow: hidden;
-    position: relative;
-  }
-
-  body::before {
-    content: '';
-    position: absolute;
-    inset: 0;
-    background-image: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' width='100' height='100' viewBox='0 0 100 100'><path d='M-10 10L110 10M10 -10L10 110' stroke-width='1' stroke='rgba(255,255,255,0.05)'/></svg>");
-    animation: bg-pan 20s linear infinite;
-    z-index: -1;
-  }
-
-  @keyframes bg-pan {
-    0% {
-      background-position: 0% 0%;
-    }
-
-    100% {
-      background-position: 100% 100%;
-    }
-  }
-
-  main {
-    padding: 2rem;
-  }
-
-  .card {
-    background: var(--card-bg-color);
-    border: 1px solid var(--card-border-color);
-    border-radius: 16px;
-    padding: 2.5rem 2rem;
-    backdrop-filter: blur(20px);
-    -webkit-backdrop-filter: blur(20px);
-    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.25);
-  }
-
-  h1 {
-    font-size: clamp(2.2rem, 3vw + 1.2rem, 3.2rem);
-    font-weight: 700;
-    margin: 0 0 1.2rem;
-    letter-spacing: -0.02em;
-  }
-
-  p {
-    margin: 0.5rem 0;
-    font-size: 1.1rem;
-    opacity: 0.92;
-  }
-
-  .loader {
-    margin: 1.5rem auto;
-    width: 56px;
-    height: 56px;
-    border: 4px solid rgba(255, 255, 255, 0.25);
-    border-top-color: #fff;
-    border-radius: 50%;
-    animation: spin 1s linear infinite;
-  }
-
-  @keyframes spin {
-    to {
-      transform: rotate(360deg);
-    }
-  }
-
-  .runtime code {
-    background: rgba(0, 0, 0, 0.25);
-    padding: 0.15rem 0.45rem;
-    border-radius: 4px;
-    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
-  }
-
-  .sr-only {
-    position: absolute;
-    width: 1px;
-    height: 1px;
-    padding: 0;
-    margin: -1px;
-    overflow: hidden;
-    clip: rect(0, 0, 0, 0);
-    border: 0;
-  }
-
-  footer {
-    position: absolute;
-    bottom: 1rem;
-    width: 100%;
-    text-align: center;
-    font-size: 0.85rem;
-    opacity: 0.75;
-  }
-</style>
-{% endblock %}
 
 {% block content %}
-<main>
+<!-- Hero Section -->
-  <div class="card">
+<section class="hero-section text-center">
-    <h1>Analyzing your requirements and generating your app…</h1>
+    <div class="container">
-    <div class="loader" role="status" aria-live="polite" aria-label="Applying initial changes">
+        <h1 class="display-4">Gestão Inteligente de Climatização</h1>
-      <span class="sr-only">Loading…</span>
+        <p class="lead">Controle seu estoque e vendas de forma eficiente e moderna.</p>
     </div>
-    <p class="hint">AppWizzy AI is collecting your requirements and applying the first changes.</p>
+</section>
-    <p class="hint">This page will refresh automatically as the plan is implemented.</p>
+
-    <p class="runtime">
+<!-- Product Section -->
-      Runtime: Django <code>{{ django_version }}</code> · Python <code>{{ python_version }}</code>
+<section class="product-section">
-      — UTC <code>{{ current_time|date:"Y-m-d H:i:s" }}</code>
+    <div class="container">
-    </p>
+        <h2 class="text-center mb-5">Nossos Produtos</h2>
+        <div class="row">
+            {% if products %}
+                {% for product in products %}
+                <div class="col-md-4 mb-4">
+                    <div class="card product-card h-100">
+                        <img src="{{ product.image_url|default:'https://via.placeholder.com/300x200.png?text=Sem+Imagem' }}" class="card-img-top product-card-img" alt="{{ product.name }}">
+                        <div class="card-body d-flex flex-column">
+                            <h5 class="card-title">{{ product.name }}</h5>
+                            <p class="card-text text-muted flex-grow-1">{{ product.description|truncatewords:20 }}</p>
+                            <div class="d-flex justify-content-between align-items-center mt-3">
+                                <p class="mb-0 product-price">R$ {{ product.price }}</p>
+                                <p class="mb-0 text-muted stock-level">Estoque: {{ product.stock_quantity }}</p>
                             </div>
-</main>
+                        </div>
-<footer>
+                    </div>
-  Page updated: {{ current_time|date:"Y-m-d H:i:s" }} (UTC)
+                </div>
-</footer>
+                {% endfor %}
+            {% else %}
+                <div class="col-12">
+                    <p class="text-center">Nenhum produto cadastrado ainda. Adicione produtos no <a href="/admin">painel de administração</a>.</p>
+                </div>
+            {% endif %}
+        </div>
+    </div>
+</section>
 {% endblock %}

core/templates/core/product_confirm_delete.html

@@ -0,0 +1,11 @@
+{% extends 'base.html' %}
+
+{% block content %}
+  <h1>Excluir Produto</h1>
+  <p>Tem certeza que deseja excluir "{{ object.name }}"?</p>
+  <form method="post">
+    {% csrf_token %}
+    <button type="submit" class="btn btn-danger">Excluir</button>
+    <a href="{% url 'product_list' %}" class="btn btn-secondary">Cancelar</a>
+  </form>
+{% endblock %}

core/templates/core/product_form.html

@@ -0,0 +1,10 @@
+{% extends 'base.html' %}
+
+{% block content %}
+  <h1>{% if object %}Atualizar Produto{% else %}Novo Produto{% endif %}</h1>
+  <form method="post">
+    {% csrf_token %}
+    {{ form.as_p }}
+    <button type="submit" class="btn btn-primary">Salvar</button>
+  </form>
+{% endblock %}

core/templates/core/product_list.html

@@ -0,0 +1,29 @@
+{% extends 'base.html' %}
+
+{% block content %}
+  <h1>Produtos</h1>
+  <a href="{% url 'product_create' %}" class="btn btn-primary mb-3">Novo Produto</a>
+  <table class="table">
+    <thead>
+      <tr>
+        <th>Nome</th>
+        <th>Preço</th>
+        <th>Estoque</th>
+        <th>Ações</th>
+      </tr>
+    </thead>
+    <tbody>
+      {% for product in products %}
+        <tr>
+          <td>{{ product.name }}</td>
+          <td>{{ product.price }}</td>
+          <td>{{ product.stock_quantity }}</td>
+          <td>
+            <a href="{% url 'product_update' product.pk %}" class="btn btn-sm btn-info">Editar</a>
+            <a href="{% url 'product_delete' product.pk %}" class="btn btn-sm btn-danger">Excluir</a>
+          </td>
+        </tr>
+      {% endfor %}
+    </tbody>
+  </table>
+{% endblock %}

core/templates/core/sale_confirm_delete.html

@@ -0,0 +1,11 @@
+{% extends 'base.html' %}
+
+{% block content %}
+  <h1>Excluir Venda</h1>
+  <p>Tem certeza que deseja excluir a venda #{{ object.id }}?</p>
+  <form method="post">
+    {% csrf_token %}
+    <button type="submit" class="btn btn-danger">Excluir</button>
+    <a href="{% url 'sale_list' %}" class="btn btn-secondary">Cancelar</a>
+  </form>
+{% endblock %}

core/templates/core/sale_create.html

@@ -0,0 +1,118 @@
+{% extends 'base.html' %}
+{% load static %}
+
+{% block content %}
+<section class="hero-section text-center">
+    <div class="container">
+        <h1 class="display-4">Criar Venda</h1>
+        <p class="lead">Preencha os detalhes para criar uma nova venda.</p>
+    </div>
+</section>
+
+<section class="product-section">
+    <div class="container">
+        <form method="post">
+            {% csrf_token %}
+
+            {% if form.non_field_errors %}
+                <div class="alert alert-danger">
+                    {{ form.non_field_errors }}
+                </div>
+            {% endif %}
+
+            {% for field in form %}
+                <div class="form-group mb-3">
+                    <label for="{{ field.id_for_label }}">{{ field.label }}</label>
+                    {{ field }}
+                    {% if field.help_text %}
+                        <small class="form-text text-muted">{{ field.help_text }}</small>
+                    {% endif %}
+                    {% for error in field.errors %}
+                        <div class="alert alert-danger mt-1">{{ error }}</div>
+                    {% endfor %}
+                </div>
+            {% endfor %}
+
+            <hr>
+            <h2>Itens da Venda</h2>
+            {{ formset.management_form }}
+            {% if formset.non_form_errors %}
+                <div class="alert alert-danger">
+                    {{ formset.non_form_errors }}
+                </div>
+            {% endif %}
+
+            <table class="table">
+                <thead>
+                    <tr>
+                        <th>Produto</th>
+                        <th>Quantidade</th>
+                        <th>Lote</th>
+                        <th>Excluir</th>
+                    </tr>
+                </thead>
+                <tbody id="item-forms">
+                    {% for form in formset.forms %}
+                        <tr class="item-form">
+                            {% for field in form.hidden_fields %}{{ field }}{% endfor %}
+                            <td>
+                                {{ form.product }}
+                                {% for error in form.product.errors %}<div class="alert alert-danger mt-1">{{ error }}</div>{% endfor %}
+                            </td>
+                            <td>
+                                {{ form.quantity }}
+                                {% for error in form.quantity.errors %}<div class="alert alert-danger mt-1">{{ error }}</div>{% endfor %}
+                            </td>
+                            <td>
+                                {{ form.lote }}
+                                {% for error in form.lote.errors %}<div class="alert alert-danger mt-1">{{ error }}</div>{% endfor %}
+                            </td>
+                            <td>
+                                {% if form.instance.pk %}{{ form.DELETE }}{% endif %}
+                            </td>
+                        </tr>
+                    {% endfor %}
+                </tbody>
+            </table>
+            <button type="button" id="add-item" class="btn btn-info">Adicionar Produto</button>
+            <br><br>
+            <button type="submit" class="btn btn-primary">Salvar Venda</button>
+            <a href="{% url 'sale_list' %}" class="btn btn-secondary">Cancelar</a>
+        </form>
+    </div>
+</section>
+
+<script type="text/template" id="item-form-template">
+    <tr class="item-form" id="{{ formset.prefix }}-__prefix__">
+        {% for field in formset.empty_form.hidden_fields %}{{ field }}{% endfor %}
+        <td>
+            {{ formset.empty_form.product }}
+        </td>
+        <td>
+            {{ formset.empty_form.quantity }}
+        </td>
+        <td>
+            {{ formset.empty_form.lote }}
+        </td>
+        <td>
+            {{ formset.empty_form.DELETE }}
+        </td>
+    </tr>
+</script>
+
+<script>
+document.addEventListener('DOMContentLoaded', function() {
+    const addItemButton = document.getElementById('add-item');
+    const formsetContainer = document.getElementById('item-forms');
+    const formTemplate = document.getElementById('item-form-template').innerHTML;
+    const totalFormsInput = document.querySelector('#id_items-TOTAL_FORMS');
+
+    addItemButton.addEventListener('click', function() {
+        let formNum = parseInt(totalFormsInput.value);
+        let newForm = formTemplate.replace(/__prefix__/g, formNum);
+        formsetContainer.insertAdjacentHTML('beforeend', newForm);
+        totalFormsInput.value = formNum + 1;
+    });
+});
+</script>
+{% endblock %}

core/templates/core/sale_form.html

@@ -0,0 +1,119 @@
+{% extends 'base.html' %}
+{% load static %}
+
+{% block content %}
+<section class="hero-section text-center">
+    <div class="container">
+        <h1 class="display-4">{% if sale %}Editar Venda{% else %}Criar Venda{% endif %}</h1>
+        <p class="lead">{% if sale %}Atualize os detalhes da venda.{% else %}Preencha os detalhes para criar uma nova venda.{% endif %}</p>
+    </div>
+</section>
+
+<section class="product-section">
+    <div class="container">
+        <form method="post">
+            {% csrf_token %}
+
+            {% if form.non_field_errors %}
+                <div class="alert alert-danger">
+                    {{ form.non_field_errors }}
+                </div>
+            {% endif %}
+
+            {% for field in form %}
+                <div class="form-group mb-3">
+                    <label for="{{ field.id_for_label }}">{{ field.label }}</label>
+                    {{ field }}
+                    {% if field.help_text %}
+                        <small class="form-text text-muted">{{ field.help_text }}</small>
+                    {% endif %}
+                    {% for error in field.errors %}
+                        <div class="alert alert-danger mt-1">{{ error }}</div>
+                    {% endfor %}
+                </div>
+            {% endfor %}
+
+            <hr>
+            <h2>Itens da Venda</h2>
+            {{ formset.management_form }}
+            {% if formset.non_form_errors %}
+                <div class="alert alert-danger">
+                    {{ formset.non_form_errors }}
+                </div>
+            {% endif %}
+
+            <table class="table">
+                <thead>
+                    <tr>
+                        <th>Produto</th>
+                        <th>Quantidade</th>
+                        <th>Lote</th>
+                        <th>Excluir</th>
+                    </tr>
+                </thead>
+                <tbody id="item-forms">
+                    {% for form in formset.forms %}
+                        <tr class="item-form">
+                            {% for field in form.hidden_fields %}{{ field }}{% endfor %}
+                            <td>
+                                {{ form.product }}
+                                {% for error in form.product.errors %}<div class="alert alert-danger mt-1">{{ error }}</div>{% endfor %}
+                            </td>
+                            <td>
+                                {{ form.quantity }}
+                                {% for error in form.quantity.errors %}<div class="alert alert-danger mt-1">{{ error }}</div>{% endfor %}
+                            </td>
+                            <td>
+                                {{ form.lote }}
+                                {% for error in form.lote.errors %}<div class="alert alert-danger mt-1">{{ error }}</div>{% endfor %}
+                            </td>
+                            <td>
+                                {% if form.instance.pk %}{{ form.DELETE }}{% endif %}
+                            </td>
+                        </tr>
+                    {% endfor %}
+                </tbody>
+            </table>
+            <button type="button" id="add-item" class="btn btn-info">Adicionar Produto</button>
+            <br><br>
+            <button type="submit" class="btn btn-primary">Salvar Alterações</button>
+            <a href="{% url 'sale_list' %}" class="btn btn-secondary">Cancelar</a>
+        </form>
+    </div>
+</section>
+
+<script type="text/template" id="item-form-template">
+    <tr class="item-form" id="{{ formset.prefix }}-__prefix__">
+        {% for field in formset.empty_form.hidden_fields %}{{ field }}{% endfor %}
+        <td>
+            {{ formset.empty_form.product }}
+        </td>
+        <td>
+            {{ formset.empty_form.quantity }}
+        </td>
+        <td>
+            {{ formset.empty_form.lote }}
+        </td>
+        <td>
+            {{ formset.empty_form.DELETE }}
+        </td>
+    </tr>
+</script>
+
+<script>
+document.addEventListener('DOMContentLoaded', function() {
+    const addItemButton = document.getElementById('add-item');
+    const formsetContainer = document.getElementById('item-forms');
+    const formTemplate = document.getElementById('item-form-template').innerHTML;
+    const totalFormsInput = document.querySelector('#id_items-TOTAL_FORMS');
+    const formsetPrefix = '{{ formset.prefix }}';
+
+    addItemButton.addEventListener('click', function() {
+        let formNum = parseInt(totalFormsInput.value);
+        let newForm = formTemplate.replace(/__prefix__/g, formNum);
+        formsetContainer.insertAdjacentHTML('beforeend', newForm);
+        totalFormsInput.value = formNum + 1;
+    });
+});
+</script>
+{% endblock %}

core/templates/core/sale_list.html

@@ -0,0 +1,49 @@
+{% extends 'base.html' %}
+{% load static %}
+
+{% block content %}
+<div class="container mt-4">
+    <div class="d-flex justify-content-between align-items-center mb-4">
+        <h1 class="display-4">Vendas</h1>
+        <a href="{% url 'sale_create' %}" class="btn btn-primary">Nova Venda</a>
+    </div>
+    
+    <p class="lead">Gerencie suas vendas.</p>
+
+    <table class="table table-striped">
+        <thead>
+            <tr>
+                <th>ID</th>
+                <th>Cliente</th>
+                <th>Vendedor</th>
+                <th>Valor Total</th>
+                <th>Comissão</th>
+                <th>Data</th>
+                <th>Ações</th>
+            </tr>
+        </thead>
+        <tbody>
+            {% for sale in sales %}
+            <tr>
+                <td>#{{ sale.id }}</td>
+                <td>{{ sale.customer.name }}</td>
+                <td>{{ sale.seller.name|default:"N/A" }}</td>
+                <td>R$ {{ sale.total_amount|floatformat:2 }}</td>
+                <td>R$ {{ sale.commission_amount|floatformat:2 }}</td>
+                <td>{{ sale.sale_date|date:"d/m/Y" }}</td>
+                <td>
+
+                    <a href="{% url 'sale_update' sale.id %}" class="btn btn-sm btn-warning">Editar</a>
+                    <a href="{% url 'sale_delete' sale.id %}" class="btn btn-sm btn-danger">Excluir</a>
+                </td>
+            </tr>
+            {% empty %}
+            <tr>
+                <td colspan="7" class="text-center">Nenhuma venda cadastrada.</td>
+            </tr>
+            {% endfor %}
+        </tbody>
+    </table>
+</div>
+{% endblock %}
+

core/templates/core/seller_confirm_delete.html

@@ -0,0 +1,11 @@
+{% extends 'base.html' %}
+
+{% block content %}
+  <h2>Excluir Vendedor</h2>
+  <p>Tem certeza que deseja excluir o vendedor "{{ seller.name }}"?</p>
+  <form method="post">
+    {% csrf_token %}
+    <button type="submit" class="btn btn-danger">Excluir</button>
+    <a href="{% url 'seller-list' %}" class="btn btn-secondary">Cancelar</a>
+  </form>
+{% endblock %}

core/templates/core/seller_form.html

@@ -0,0 +1,11 @@
+{% extends 'base.html' %}
+
+{% block content %}
+  <h2>{% if form.instance.pk %}Editar Vendedor{% else %}Adicionar Vendedor{% endif %}</h2>
+  <form method="post">
+    {% csrf_token %}
+    {{ form.as_p }}
+    <button type="submit" class="btn btn-primary">Salvar</button>
+    <a href="{% url 'seller-list' %}" class="btn btn-secondary">Cancelar</a>
+  </form>
+{% endblock %}

core/templates/core/seller_list.html

@@ -0,0 +1,43 @@
+{% extends 'base.html' %}
+{% load static %}
+
+{% block content %}
+<div class="container mt-4">
+    <div class="d-flex justify-content-between align-items-center mb-4">
+        <h1 class="display-4">Vendedores</h1>
+        <a href="{% url 'seller_create' %}" class="btn btn-primary">Adicionar Vendedor</a>
+    </div>
+    
+    <p class="lead">Gerencie seus vendedores.</p>
+
+    <table class="table table-striped">
+        <thead>
+            <tr>
+                <th>Nome</th>
+                <th>Email</th>
+                <th>Telefone</th>
+                <th>Comissão (%)</th>
+                <th>Ações</th>
+            </tr>
+        </thead>
+        <tbody>
+            {% for seller in sellers %}
+            <tr>
+                <td>{{ seller.name }}</td>
+                <td>{{ seller.email }}</td>
+                <td>{{ seller.phone }}</td>
+                <td>{{ seller.commission }}</td>
+                <td>
+                    <a href="{% url 'seller_update' seller.pk %}" class="btn btn-sm btn-info">Editar</a>
+                    <a href="{% url 'seller_delete' seller.pk %}" class="btn btn-sm btn-danger">Excluir</a>
+                </td>
+            </tr>
+            {% empty %}
+            <tr>
+                <td colspan="5" class="text-center">Nenhum vendedor cadastrado.</td>
+            </tr>
+            {% endfor %}
+        </tbody>
+    </table>
+</div>
+{% endblock %}

core/urls.py

@@ -1,7 +1,41 @@
 from django.urls import path
 
-from .views import home
+from .views import (
+    index,
+    customer_list,
+    seller_list,
+    sale_list,
+    sale_create,
+    sale_update,
+    SaleDeleteView,
+    product_list,
+    ProductCreateView,
+    ProductUpdateView,
+    ProductDeleteView,
+    CustomerCreateView,
+    CustomerUpdateView,
+    CustomerDeleteView,
+    SellerCreateView,
+    SellerUpdateView,
+    SellerDeleteView,
+)
 
 urlpatterns = [
-    path("", home, name="home"),
+    path("", index, name="index"),
+    path("customers/", customer_list, name="customer_list"),
+    path("customers/create/", CustomerCreateView.as_view(), name="customer_create"),
+    path("customers/<int:pk>/update/", CustomerUpdateView.as_view(), name="customer_update"),
+    path("customers/<int:pk>/delete/", CustomerDeleteView.as_view(), name="customer_delete"),
+    path("sellers/", seller_list, name="seller-list"),
+    path("sellers/create/", SellerCreateView.as_view(), name="seller_create"),
+    path("sellers/<int:pk>/update/", SellerUpdateView.as_view(), name="seller_update"),
+    path("sellers/<int:pk>/delete/", SellerDeleteView.as_view(), name="seller_delete"),
+    path("sales/", sale_list, name="sale_list"),
+    path("sales/create/", sale_create, name="sale_create"),
+    path("sales/<int:pk>/update/", sale_update, name="sale_update"),
+    path("sales/<int:pk>/delete/", SaleDeleteView.as_view(), name="sale_delete"),
+    path("products/", product_list, name="product_list"),
+    path("products/create/", ProductCreateView.as_view(), name="product_create"),
+    path("products/<int:pk>/update/", ProductUpdateView.as_view(), name="product_update"),
+    path("products/<int:pk>/delete/", ProductDeleteView.as_view(), name="product_delete"),
 ]

core/views.py

@@ -2,17 +2,28 @@ import os
 import platform
 
 from django import get_version as django_version
-from django.shortcuts import render
+from django.shortcuts import render, redirect, get_object_or_404
+from django.urls import reverse_lazy
 from django.utils import timezone
+from django.views.generic import CreateView, UpdateView, DeleteView
+
+from .forms import SaleForm, ProductForm, CustomerForm, SellerForm
+from .models import Product, Customer, Seller, Sale, SaleItem
 
 
-def home(request):
+def index(request):
     """Render the landing screen with loader and environment details."""
+
     host_name = request.get_host().lower()
+
     agent_brand = "AppWizzy" if host_name == "appwizzy.com" else "Flatlogic"
+
     now = timezone.now()
 
+    products = Product.objects.all()
+
     context = {
+        "products": products,
         "project_name": "New Style",
         "agent_brand": agent_brand,
         "django_version": django_version(),
@@ -22,4 +33,217 @@ def home(request):
         "project_description": os.getenv("PROJECT_DESCRIPTION", ""),
         "project_image_url": os.getenv("PROJECT_IMAGE_URL", ""),
     }
+
     return render(request, "core/index.html", context)
+
+
+def customer_list(request):
+    customers = Customer.objects.all()
+    return render(request, 'core/customer_list.html', {'customers': customers})
+
+
+class CustomerCreateView(CreateView):
+    model = Customer
+    form_class = CustomerForm
+    template_name = 'core/customer_form.html'
+    success_url = reverse_lazy('customer_list')
+
+
+class CustomerUpdateView(UpdateView):
+    model = Customer
+    form_class = CustomerForm
+    template_name = 'core/customer_form.html'
+    success_url = reverse_lazy('customer_list')
+
+
+class CustomerDeleteView(DeleteView):
+    model = Customer
+    template_name = 'core/customer_confirm_delete.html'
+    success_url = reverse_lazy('customer_list')
+
+
+class SellerCreateView(CreateView):
+    model = Seller
+    form_class = SellerForm
+    template_name = 'core/seller_form.html'
+    success_url = reverse_lazy('seller-list')
+
+
+class SellerUpdateView(UpdateView):
+    model = Seller
+    form_class = SellerForm
+    template_name = 'core/seller_form.html'
+    success_url = reverse_lazy('seller-list')
+
+
+class SellerDeleteView(DeleteView):
+    model = Seller
+    template_name = 'core/seller_confirm_delete.html'
+    success_url = reverse_lazy('seller-list')
+
+
+def seller_list(request):
+    """Render the seller list page."""
+
+    sellers = Seller.objects.all()
+
+    context = {"sellers": sellers}
+
+    return render(request, "core/seller_list.html", context)
+
+
+import logging
+
+def sale_list(request):
+    """Render the sale list page."""
+
+    logging.info("Sale list view called")
+
+    sales = Sale.objects.select_related('customer', 'seller').all()
+    logging.info(f"Sales: {sales}")
+
+    context = {"sales": sales}
+
+    return render(request, "core/sale_list.html", context)
+
+
+from django.forms import inlineformset_factory
+from django.db import transaction
+from .forms import SaleForm, ProductForm, CustomerForm, SellerForm, SaleItemForm
+def sale_create(request):
+    SaleItemFormSet = inlineformset_factory(
+        Sale, SaleItem, form=SaleItemForm, extra=1, can_delete=True
+    )
+    if request.method == 'POST':
+        form = SaleForm(request.POST)
+        formset = SaleItemFormSet(request.POST)
+
+        if form.is_valid() and formset.is_valid():
+            with transaction.atomic():
+                sale = form.save(commit=False)
+                # Initialize calculated fields
+                sale.total_amount = 0
+                sale.commission_amount = 0
+                sale.save()  # Save sale to get an ID for the formset
+
+                formset.instance = sale
+                sale_items = formset.save(commit=False)
+
+                total_amount = 0
+                commission_amount = 0
+
+                for item in sale_items:
+                    # Freeze price at the time of sale
+                    item.price = item.product.price
+                    
+                    # Determine commission rate: Use seller's rate if > 0, otherwise fallback to product's rate
+                    if sale.seller and sale.seller.commission > 0:
+                        item.commission_rate = sale.seller.commission
+                    else:
+                        item.commission_rate = item.product.commission_rate
+                    item.save()
+
+                    # Calculate totals
+                    item_total = item.price * item.quantity
+                    total_amount += item_total
+                    commission_amount += item_total * (item.commission_rate / 100)
+                
+                # Update the sale instance with calculated totals
+                sale.total_amount = total_amount
+                sale.commission_amount = commission_amount
+                sale.save()
+
+            return redirect('sale_list')
+    else:
+        form = SaleForm()
+        formset = SaleItemFormSet()
+    
+    return render(request, 'core/sale_create.html', {'form': form, 'formset': formset})
+
+def sale_update(request, pk):
+    sale = get_object_or_404(Sale, pk=pk)
+    SaleItemFormSet = inlineformset_factory(
+        Sale, SaleItem, form=SaleItemForm, extra=1, can_delete=True
+    )
+
+    if request.method == 'POST':
+        form = SaleForm(request.POST, instance=sale)
+        formset = SaleItemFormSet(request.POST, instance=sale)
+
+        if form.is_valid() and formset.is_valid():
+            with transaction.atomic():
+                sale = form.save()
+
+                # Handle deleted items first
+                for form in formset.deleted_forms:
+                    if form.instance.pk:
+                        form.instance.delete()
+
+                # Handle new and changed items
+                sale_items = formset.save(commit=False)
+                for item in sale_items:
+                    if not item.pk:  # If it's a new item
+                        item.price = item.product.price
+                    # Commission rate will be set in the recalculation step
+                    item.save()
+                formset.save_m2m()
+
+                # Recalculate total amount and commission from all valid items
+                total_amount = 0
+                commission_amount = 0
+                for item in sale.items.all():
+                    # Determine and save the correct commission rate for every item
+                    if sale.seller and sale.seller.commission > 0:
+                        item.commission_rate = sale.seller.commission
+                    else:
+                        item.commission_rate = item.product.commission_rate
+                    item.save()
+
+                    item_total = item.price * item.quantity
+                    total_amount += item_total
+                    commission_amount += item_total * (item.commission_rate / 100)
+                
+                sale.total_amount = total_amount
+                sale.commission_amount = commission_amount
+                sale.save()
+
+            return redirect('sale_list')
+    else:
+        form = SaleForm(instance=sale)
+        formset = SaleItemFormSet(instance=sale)
+
+    return render(request, 'core/sale_form.html', {'form': form, 'formset': formset, 'sale': sale})
+
+
+
+
+def product_list(request):
+    products = Product.objects.all()
+    return render(request, 'core/product_list.html', {'products': products})
+
+
+class ProductCreateView(CreateView):
+    model = Product
+    form_class = ProductForm
+    template_name = 'core/product_form.html'
+    success_url = reverse_lazy('product_list')
+
+
+class ProductUpdateView(UpdateView):
+    model = Product
+    form_class = ProductForm
+    template_name = 'core/product_form.html'
+    success_url = reverse_lazy('product_list')
+
+
+class ProductDeleteView(DeleteView):
+    model = Product
+    template_name = 'core/product_confirm_delete.html'
+    success_url = reverse_lazy('product_list')
+
+
+
+class SaleDeleteView(DeleteView):
+    model = Sale
+    template_name = 'core/sale_confirm_delete.html'
+    success_url = reverse_lazy('sale_list')

static/css/custom.css

@@ -1,4 +1,116 @@
-/* Custom styles for the application */
+/*
-body {
+    Custom Styles for ACME Climsoft
-    font-family: system-ui, -apple-system, sans-serif;
+*/
+
+:root {
+    --primary-color: #007BFF;
+    --secondary-color: #343A40;
+    --accent-color: #17A2B8;
+    --background-color: #F8F9FA;
+    --text-color: #212529;
+    --heading-font: 'Poppins', sans-serif;
+    --body-font: 'Roboto', sans-serif;
+}
+
+body {
+    font-family: var(--body-font);
+    background-color: var(--background-color);
+    color: var(--text-color);
+}
+
+h1, h2, h3, h4, h5, h6 {
+    font-family: var(--heading-font);
+    font-weight: 600;
+    color: var(--secondary-color);
+}
+
+.btn-primary {
+    background-color: var(--primary-color);
+    border-color: var(--primary-color);
+}
+
+.btn-primary:hover {
+    background-color: #0056b3;
+    border-color: #0056b3;
+}
+
+.btn-accent {
+    background-color: var(--accent-color);
+    border-color: var(--accent-color);
+    color: #fff;
+}
+
+.btn-accent:hover {
+    background-color: #138496;
+    border-color: #138496;
+}
+
+/* Hero Section */
+.hero-section {
+    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
+    padding: 6rem 0;
+    color: #fff;
+}
+
+.hero-section h1 {
+    font-size: 3.5rem;
+    font-weight: 700;
+    color: #fff;
+}
+
+.hero-section .lead {
+    font-size: 1.25rem;
+}
+
+/* Product Section */
+.product-section {
+    padding: 4rem 0;
+}
+
+.product-card {
+    border: none;
+    border-radius: 10px;
+    transition: transform 0.3s ease, box-shadow 0.3s ease;
+    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
+}
+
+.product-card:hover {
+    transform: translateY(-5px);
+    box-shadow: 0 8px 12px rgba(0,0,0,0.15);
+}
+
+.product-card-img {
+    height: 200px;
+    object-fit: cover;
+    border-top-left-radius: 10px;
+    border-top-right-radius: 10px;
+}
+
+.product-card .card-body {
+    padding: 1.5rem;
+}
+
+.product-card .card-title {
+    font-size: 1.25rem;
+    font-weight: 600;
+}
+
+.product-card .card-text {
+    font-size: 0.9rem;
+    color: #6c757d;
+}
+
+.product-price {
+    font-size: 1.2rem;
+    font-weight: 700;
+    color: var(--primary-color);
+}
+
+.stock-level {
+    font-size: 0.9rem;
+}
+
+/* Navbar */
+.navbar {
+    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
 }

staticfiles/css/custom.css

@@ -1,21 +1,116 @@
+/*
+    Custom Styles for ACME Climsoft
+*/
 
 :root {
-    --bg-color-start: #6a11cb;
+    --primary-color: #007BFF;
-    --bg-color-end: #2575fc;
+    --secondary-color: #343A40;
-    --text-color: #ffffff;
+    --accent-color: #17A2B8;
-    --card-bg-color: rgba(255, 255, 255, 0.01);
+    --background-color: #F8F9FA;
-    --card-border-color: rgba(255, 255, 255, 0.1);
+    --text-color: #212529;
+    --heading-font: 'Poppins', sans-serif;
+    --body-font: 'Roboto', sans-serif;
 }
+
 body {
-    margin: 0;
+    font-family: var(--body-font);
-    font-family: 'Inter', sans-serif;
+    background-color: var(--background-color);
-    background: linear-gradient(45deg, var(--bg-color-start), var(--bg-color-end));
     color: var(--text-color);
-    display: flex;
+}
-    justify-content: center;
+
-    align-items: center;
+h1, h2, h3, h4, h5, h6 {
-    min-height: 100vh;
+    font-family: var(--heading-font);
-    text-align: center;
+    font-weight: 600;
-    overflow: hidden;
+    color: var(--secondary-color);
-    position: relative;
+}
+
+.btn-primary {
+    background-color: var(--primary-color);
+    border-color: var(--primary-color);
+}
+
+.btn-primary:hover {
+    background-color: #0056b3;
+    border-color: #0056b3;
+}
+
+.btn-accent {
+    background-color: var(--accent-color);
+    border-color: var(--accent-color);
+    color: #fff;
+}
+
+.btn-accent:hover {
+    background-color: #138496;
+    border-color: #138496;
+}
+
+/* Hero Section */
+.hero-section {
+    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
+    padding: 6rem 0;
+    color: #fff;
+}
+
+.hero-section h1 {
+    font-size: 3.5rem;
+    font-weight: 700;
+    color: #fff;
+}
+
+.hero-section .lead {
+    font-size: 1.25rem;
+}
+
+/* Product Section */
+.product-section {
+    padding: 4rem 0;
+}
+
+.product-card {
+    border: none;
+    border-radius: 10px;
+    transition: transform 0.3s ease, box-shadow 0.3s ease;
+    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
+}
+
+.product-card:hover {
+    transform: translateY(-5px);
+    box-shadow: 0 8px 12px rgba(0,0,0,0.15);
+}
+
+.product-card-img {
+    height: 200px;
+    object-fit: cover;
+    border-top-left-radius: 10px;
+    border-top-right-radius: 10px;
+}
+
+.product-card .card-body {
+    padding: 1.5rem;
+}
+
+.product-card .card-title {
+    font-size: 1.25rem;
+    font-weight: 600;
+}
+
+.product-card .card-text {
+    font-size: 0.9rem;
+    color: #6c757d;
+}
+
+.product-price {
+    font-size: 1.2rem;
+    font-weight: 700;
+    color: var(--primary-color);
+}
+
+.stock-level {
+    font-size: 0.9rem;
+}
+
+/* Navbar */
+.navbar {
+    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
 }