feat: MVP-скелет площадки (Django + MySQL/SQLite, модели по ТЗ §4, базовые страницы)
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from django.conf import settings
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from django.db import models
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from django.utils.text import slugify
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class CategoryType(models.TextChoices):
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PRODUCT = 'product', 'Товар'
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SERVICE = 'service', 'Услуга'
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class ModerationStatus(models.TextChoices):
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DRAFT = 'draft', 'Черновик'
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PENDING = 'pending', 'На модерации'
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PUBLISHED = 'published', 'Опубликовано'
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REJECTED = 'rejected', 'Отклонено'
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class VerificationStatus(models.TextChoices):
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PENDING = 'pending', 'На проверке'
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APPROVED = 'approved', 'Одобрен'
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REVISION = 'revision', 'На доработке'
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REJECTED = 'rejected', 'Отклонён'
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class LegalStatus(models.TextChoices):
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SELF_EMPLOYED = 'self_employed', 'Самозанятый'
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IP = 'ip', 'ИП'
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LEGAL_ENTITY = 'legal', 'Юрлицо'
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class Category(models.Model):
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"""Двухуровневый справочник категорий (ТЗ §3.2)."""
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parent = models.ForeignKey(
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'self', null=True, blank=True, on_delete=models.CASCADE,
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related_name='children', verbose_name='Родитель',
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)
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name = models.CharField('Название', max_length=200)
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slug = models.SlugField('Slug', max_length=220, unique=True, blank=True)
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type = models.CharField(
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'Тип', max_length=10, choices=CategoryType.choices,
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default=CategoryType.PRODUCT,
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)
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sort_order = models.PositiveIntegerField('Порядок сортировки', default=0)
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class Meta:
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verbose_name = 'Категория'
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verbose_name_plural = 'Категории'
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ordering = ('sort_order', 'name')
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def __str__(self):
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return f'{self.parent.name} / {self.name}' if self.parent else self.name
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def save(self, *args, **kwargs):
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if not self.slug:
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self.slug = slugify(self.name, allow_unicode=True)
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super().save(*args, **kwargs)
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class Brand(models.Model):
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"""Профиль продавца — «Бренд» (ТЗ §4: Brand / SellerProfile)."""
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user = models.OneToOneField(
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settings.AUTH_USER_MODEL, on_delete=models.CASCADE,
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related_name='brand', verbose_name='Владелец',
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)
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name = models.CharField('Название бренда', max_length=200)
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slug = models.SlugField('Slug', max_length=220, unique=True, blank=True)
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logo = models.ImageField('Логотип', upload_to='brands/logos/', blank=True, null=True)
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cover = models.ImageField('Обложка', upload_to='brands/covers/', blank=True, null=True)
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story = models.TextField('История бренда', max_length=3000, blank=True)
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legal_status = models.CharField(
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'Правовой статус', max_length=20,
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choices=LegalStatus.choices, default=LegalStatus.SELF_EMPLOYED,
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)
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inn = models.CharField('ИНН', max_length=12, blank=True)
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region = models.CharField('Регион', max_length=120, blank=True)
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city = models.CharField('Город', max_length=120, blank=True)
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socials = models.JSONField('Соцсети', default=dict, blank=True)
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verification_status = models.CharField(
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'Статус верификации', max_length=20,
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choices=VerificationStatus.choices, default=VerificationStatus.PENDING,
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)
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badges = models.JSONField('Знаки', default=list, blank=True)
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rating = models.DecimalField('Рейтинг', max_digits=3, decimal_places=2, default=0)
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created_at = models.DateTimeField('Дата создания', auto_now_add=True)
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class Meta:
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verbose_name = 'Бренд'
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verbose_name_plural = 'Бренды'
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ordering = ('name',)
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def __str__(self):
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return self.name
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def save(self, *args, **kwargs):
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if not self.slug:
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self.slug = slugify(self.name, allow_unicode=True)
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super().save(*args, **kwargs)
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class Product(models.Model):
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"""Карточка товара (ТЗ §4: Product)."""
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brand = models.ForeignKey(
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Brand, on_delete=models.CASCADE, related_name='products',
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verbose_name='Бренд',
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)
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category = models.ForeignKey(
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Category, on_delete=models.PROTECT, related_name='products',
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verbose_name='Категория',
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)
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name = models.CharField('Название', max_length=255)
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slug = models.SlugField('Slug', max_length=280, unique=True, blank=True)
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description = models.TextField('Описание', blank=True)
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price = models.DecimalField('Цена', max_digits=12, decimal_places=2)
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attributes = models.JSONField('Характеристики', default=dict, blank=True)
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stock = models.PositiveIntegerField('Остаток', default=0)
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lead_time_days = models.PositiveIntegerField('Срок изготовления, дней', default=0)
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moderation_status = models.CharField(
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'Статус модерации', max_length=20,
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choices=ModerationStatus.choices, default=ModerationStatus.DRAFT,
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)
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is_active = models.BooleanField('Активен', default=True)
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created_at = models.DateTimeField('Дата создания', auto_now_add=True)
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class Meta:
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verbose_name = 'Товар'
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verbose_name_plural = 'Товары'
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ordering = ('-created_at',)
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def __str__(self):
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return self.name
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def save(self, *args, **kwargs):
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if not self.slug:
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self.slug = slugify(self.name, allow_unicode=True)
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super().save(*args, **kwargs)
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@property
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def is_available(self):
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return self.is_active and self.stock > 0
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class ProductImage(models.Model):
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"""Изображение товара (галерея до 10 фото, ТЗ §3.2)."""
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product = models.ForeignKey(
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Product, on_delete=models.CASCADE, related_name='images',
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verbose_name='Товар',
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)
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image = models.ImageField('Изображение', upload_to='products/')
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sort_order = models.PositiveIntegerField('Порядок', default=0)
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class Meta:
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verbose_name = 'Изображение товара'
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verbose_name_plural = 'Изображения товаров'
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ordering = ('sort_order', 'id')
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def __str__(self):
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return f'Фото #{self.pk} для {self.product}'
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class ServiceFormat(models.TextChoices):
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ONLINE = 'online', 'Онлайн'
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OFFLINE = 'offline', 'Офлайн'
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class Service(models.Model):
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"""Карточка услуги (ТЗ §4: Service)."""
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brand = models.ForeignKey(
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Brand, on_delete=models.CASCADE, related_name='services',
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verbose_name='Бренд',
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)
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category = models.ForeignKey(
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Category, on_delete=models.PROTECT, related_name='services',
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verbose_name='Категория',
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)
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name = models.CharField('Название', max_length=255)
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slug = models.SlugField('Slug', max_length=280, unique=True, blank=True)
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description = models.TextField('Описание', blank=True)
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format = models.CharField(
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'Формат', max_length=10, choices=ServiceFormat.choices,
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default=ServiceFormat.OFFLINE,
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)
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duration_minutes = models.PositiveIntegerField('Длительность, мин', default=60)
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price = models.DecimalField('Цена', max_digits=12, decimal_places=2)
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moderation_status = models.CharField(
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'Статус модерации', max_length=20,
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choices=ModerationStatus.choices, default=ModerationStatus.DRAFT,
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)
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is_active = models.BooleanField('Активна', default=True)
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created_at = models.DateTimeField('Дата создания', auto_now_add=True)
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class Meta:
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verbose_name = 'Услуга'
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verbose_name_plural = 'Услуги'
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ordering = ('-created_at',)
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def __str__(self):
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return self.name
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def save(self, *args, **kwargs):
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if not self.slug:
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self.slug = slugify(self.name, allow_unicode=True)
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super().save(*args, **kwargs)
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class TimeSlot(models.Model):
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"""Слот записи на услугу (ТЗ §3.4)."""
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service = models.ForeignKey(
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Service, on_delete=models.CASCADE, related_name='slots',
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verbose_name='Услуга',
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)
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start = models.DateTimeField('Начало')
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end = models.DateTimeField('Окончание')
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is_booked = models.BooleanField('Занят', default=False)
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class Meta:
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verbose_name = 'Слот записи'
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verbose_name_plural = 'Слоты записи'
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ordering = ('start',)
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def __str__(self):
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return f'{self.service} — {self.start:%d.%m.%Y %H:%M}'
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