feat: MVP-скелет площадки (Django + MySQL/SQLite, модели по ТЗ §4, базовые страницы)

apps/orders/admin.py

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+from django.contrib import admin
+
+from .models import Favorite, Order, OrderItem, PickupPoint
+
+
+class OrderItemInline(admin.TabularInline):
+    model = OrderItem
+    extra = 0
+
+
+@admin.register(PickupPoint)
+class PickupPointAdmin(admin.ModelAdmin):
+    list_display = ('name', 'address', 'partner', 'is_active')
+    list_filter = ('is_active',)
+
+
+@admin.register(Order)
+class OrderAdmin(admin.ModelAdmin):
+    list_display = ('id', 'buyer', 'status', 'delivery_method', 'payment_method', 'total', 'created_at')
+    list_filter = ('status', 'delivery_method', 'payment_method')
+    search_fields = ('buyer__username', 'buyer__full_name')
+    inlines = [OrderItemInline]
+
+
+@admin.register(OrderItem)
+class OrderItemAdmin(admin.ModelAdmin):
+    list_display = ('order', 'name', 'brand', 'price', 'quantity')
+
+
+@admin.register(Favorite)
+class FavoriteAdmin(admin.ModelAdmin):
+    list_display = ('user', 'product', 'service', 'created_at')

apps/orders/apps.py

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+from django.apps import AppConfig
+
+
+class OrdersConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'apps.orders'
+

apps/orders/migrations/0001_initial.py

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+# Generated by Django 5.1.15 on 2026-09-23 13:44
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('catalog', '0001_initial'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='PickupPoint',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=200, verbose_name='Название')),
+                ('address', models.CharField(max_length=300, verbose_name='Адрес')),
+                ('working_hours', models.CharField(blank=True, max_length=200, verbose_name='Часы работы')),
+                ('partner', models.CharField(blank=True, max_length=200, verbose_name='Партнёр')),
+                ('is_active', models.BooleanField(default=True, verbose_name='Активен')),
+            ],
+            options={
+                'verbose_name': 'Пункт выдачи',
+                'verbose_name_plural': 'Пункты выдачи',
+                'ordering': ('name',),
+            },
+        ),
+        migrations.CreateModel(
+            name='Order',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('status', models.CharField(choices=[('new', 'Новый'), ('confirmed', 'Подтверждён'), ('paid', 'Оплачен'), ('assembled', 'Собран'), ('shipped', 'Передан в доставку'), ('done', 'Выполнен'), ('cancelled', 'Отменён'), ('refunded', 'Возврат')], default='new', max_length=20, verbose_name='Статус')),
+                ('delivery_method', models.CharField(choices=[('pickup', 'Самовывоз'), ('courier', 'Доставка по договорённости'), ('cdek', 'СДЭК')], default='pickup', max_length=20, verbose_name='Способ получения')),
+                ('address', models.CharField(blank=True, max_length=300, verbose_name='Адрес доставки')),
+                ('payment_method', models.CharField(choices=[('by_agreement', 'По договорённости (напрямую продавцу)'), ('online', 'Онлайн через агрегатор')], default='by_agreement', max_length=20, verbose_name='Способ оплаты')),
+                ('customer_comment', models.TextField(blank=True, verbose_name='Комментарий покупателя')),
+                ('total', models.DecimalField(decimal_places=2, default=0, max_digits=12, verbose_name='Сумма')),
+                ('commission', models.DecimalField(decimal_places=2, default=0, max_digits=12, verbose_name='Комиссия площадки')),
+                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='Создан')),
+                ('updated_at', models.DateTimeField(auto_now=True, verbose_name='Обновлён')),
+                ('buyer', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, related_name='orders', to=settings.AUTH_USER_MODEL, verbose_name='Покупатель')),
+                ('pickup_point', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='orders', to='orders.pickuppoint', verbose_name='Пункт выдачи')),
+            ],
+            options={
+                'verbose_name': 'Заказ',
+                'verbose_name_plural': 'Заказы',
+                'ordering': ('-created_at',),
+            },
+        ),
+        migrations.CreateModel(
+            name='OrderItem',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=255, verbose_name='Название позиции')),
+                ('price', models.DecimalField(decimal_places=2, max_digits=12, verbose_name='Цена за единицу')),
+                ('quantity', models.PositiveIntegerField(default=1, verbose_name='Количество')),
+                ('brand', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, related_name='order_items', to='catalog.brand', verbose_name='Бренд')),
+                ('order', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='items', to='orders.order', verbose_name='Заказ')),
+                ('product', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='order_items', to='catalog.product', verbose_name='Товар')),
+                ('service', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='order_items', to='catalog.service', verbose_name='Услуга')),
+            ],
+            options={
+                'verbose_name': 'Позиция заказа',
+                'verbose_name_plural': 'Позиции заказа',
+            },
+        ),
+        migrations.CreateModel(
+            name='Favorite',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='Добавлено')),
+                ('product', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='favorited_by', to='catalog.product', verbose_name='Товар')),
+                ('service', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='favorited_by', to='catalog.service', verbose_name='Услуга')),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='favorites', to=settings.AUTH_USER_MODEL, verbose_name='Пользователь')),
+            ],
+            options={
+                'verbose_name': 'Избранное',
+                'verbose_name_plural': 'Избранное',
+                'constraints': [models.UniqueConstraint(condition=models.Q(('product__isnull', False)), fields=('user', 'product'), name='uniq_favorite_user_product'), models.UniqueConstraint(condition=models.Q(('service__isnull', False)), fields=('user', 'service'), name='uniq_favorite_user_service')],
+            },
+        ),
+    ]

apps/orders/models.py

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+from django.conf import settings
+from django.db import models
+
+from apps.catalog.models import Brand, Product, Service
+
+
+class OrderStatus(models.TextChoices):
+    NEW = 'new', 'Новый'
+    CONFIRMED = 'confirmed', 'Подтверждён'
+    PAID = 'paid', 'Оплачен'          # этап 2
+    ASSEMBLED = 'assembled', 'Собран'
+    SHIPPED = 'shipped', 'Передан в доставку'  # этап 2
+    DONE = 'done', 'Выполнен'
+    CANCELLED = 'cancelled', 'Отменён'
+    REFUNDED = 'refunded', 'Возврат'   # этап 2
+
+
+class DeliveryMethod(models.TextChoices):
+    PICKUP = 'pickup', 'Самовывоз'
+    COURIER = 'courier', 'Доставка по договорённости'  # этап 1
+    CDEK = 'cdek', 'СДЭК'                               # этап 2
+
+
+class PaymentMethod(models.TextChoices):
+    BY_AGREEMENT = 'by_agreement', 'По договорённости (напрямую продавцу)'
+    ONLINE = 'online', 'Онлайн через агрегатор'  # этап 2
+
+
+class PickupPoint(models.Model):
+    """Пункт выдачи (ТЗ §4: PickupPoint)."""
+
+    name = models.CharField('Название', max_length=200)
+    address = models.CharField('Адрес', max_length=300)
+    working_hours = models.CharField('Часы работы', max_length=200, blank=True)
+    partner = models.CharField('Партнёр', max_length=200, blank=True)
+    is_active = models.BooleanField('Активен', default=True)
+
+    class Meta:
+        verbose_name = 'Пункт выдачи'
+        verbose_name_plural = 'Пункты выдачи'
+        ordering = ('name',)
+
+    def __str__(self):
+        return f'{self.name} ({self.address})'
+
+
+class Order(models.Model):
+    """Заказ / заявка (ТЗ §4: Order)."""
+
+    buyer = models.ForeignKey(
+        settings.AUTH_USER_MODEL, on_delete=models.PROTECT,
+        related_name='orders', verbose_name='Покупатель',
+    )
+    status = models.CharField(
+        'Статус', max_length=20, choices=OrderStatus.choices,
+        default=OrderStatus.NEW,
+    )
+    delivery_method = models.CharField(
+        'Способ получения', max_length=20,
+        choices=DeliveryMethod.choices, default=DeliveryMethod.PICKUP,
+    )
+    address = models.CharField('Адрес доставки', max_length=300, blank=True)
+    pickup_point = models.ForeignKey(
+        PickupPoint, null=True, blank=True, on_delete=models.SET_NULL,
+        related_name='orders', verbose_name='Пункт выдачи',
+    )
+    payment_method = models.CharField(
+        'Способ оплаты', max_length=20,
+        choices=PaymentMethod.choices, default=PaymentMethod.BY_AGREEMENT,
+    )
+    customer_comment = models.TextField('Комментарий покупателя', blank=True)
+
+    total = models.DecimalField('Сумма', max_digits=12, decimal_places=2, default=0)
+    commission = models.DecimalField(
+        'Комиссия площадки', max_digits=12, decimal_places=2, default=0,
+    )
+
+    created_at = models.DateTimeField('Создан', auto_now_add=True)
+    updated_at = models.DateTimeField('Обновлён', auto_now=True)
+
+    class Meta:
+        verbose_name = 'Заказ'
+        verbose_name_plural = 'Заказы'
+        ordering = ('-created_at',)
+
+    def __str__(self):
+        return f'Заказ №{self.pk}'
+
+    def recalculate_total(self):
+        self.total = sum((item.line_total for item in self.items.all()), start=0)
+        self.save(update_fields=['total'])
+
+
+class OrderItem(models.Model):
+    """Позиция заказа. Может относиться к товару или к услуге (ТЗ §4)."""
+
+    order = models.ForeignKey(
+        Order, on_delete=models.CASCADE, related_name='items',
+        verbose_name='Заказ',
+    )
+    brand = models.ForeignKey(
+        Brand, on_delete=models.PROTECT, related_name='order_items',
+        verbose_name='Бренд',
+    )
+    product = models.ForeignKey(
+        Product, null=True, blank=True, on_delete=models.SET_NULL,
+        related_name='order_items', verbose_name='Товар',
+    )
+    service = models.ForeignKey(
+        Service, null=True, blank=True, on_delete=models.SET_NULL,
+        related_name='order_items', verbose_name='Услуга',
+    )
+    name = models.CharField('Название позиции', max_length=255)
+    price = models.DecimalField('Цена за единицу', max_digits=12, decimal_places=2)
+    quantity = models.PositiveIntegerField('Количество', default=1)
+
+    class Meta:
+        verbose_name = 'Позиция заказа'
+        verbose_name_plural = 'Позиции заказа'
+
+    def __str__(self):
+        return f'{self.name} × {self.quantity}'
+
+    @property
+    def line_total(self):
+        return self.price * self.quantity
+
+
+class Favorite(models.Model):
+    """Избранное покупателя (ТЗ §3.2, §3.3)."""
+
+    user = models.ForeignKey(
+        settings.AUTH_USER_MODEL, on_delete=models.CASCADE,
+        related_name='favorites', verbose_name='Пользователь',
+    )
+    product = models.ForeignKey(
+        Product, null=True, blank=True, on_delete=models.CASCADE,
+        related_name='favorited_by', verbose_name='Товар',
+    )
+    service = models.ForeignKey(
+        Service, null=True, blank=True, on_delete=models.CASCADE,
+        related_name='favorited_by', verbose_name='Услуга',
+    )
+    created_at = models.DateTimeField('Добавлено', auto_now_add=True)
+
+    class Meta:
+        verbose_name = 'Избранное'
+        verbose_name_plural = 'Избранное'
+        constraints = [
+            models.UniqueConstraint(
+                fields=('user', 'product'),
+                condition=models.Q(product__isnull=False),
+                name='uniq_favorite_user_product',
+            ),
+            models.UniqueConstraint(
+                fields=('user', 'service'),
+                condition=models.Q(service__isnull=False),
+                name='uniq_favorite_user_service',
+            ),
+        ]
+
+    def __str__(self):
+        return f'{self.user} → {self.product or self.service}'

apps/orders/tests.py

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

apps/orders/views.py

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