import os import uuid from django.db import models from django.conf import settings from apps.base.models import BaseModel from apps.base.utils.images import rename_image_upload_to, compress_and_save_image from apps.base.utils.videos import rename_video_upload_to, compress_and_save_video class ProductType(BaseModel): """Modelo para representar los Tipos de Productos.""" product_type_name = models.CharField('Nombre del Tipo', max_length=100, unique=True) description = models.TextField('Descripción', null=True, blank=True) product_type_image = models.ImageField('Imagen del Tipo', upload_to=rename_image_upload_to, null=True, blank=True) class Meta: verbose_name = 'Tipo de Producto' verbose_name_plural = 'Tipos de Productos' ordering = ['product_type_name'] def __str__(self): return self.product_type_name def save(self, *args, **kwargs): if self.product_type_image: compress_and_save_image(self.product_type_image) super().save(*args, **kwargs) class Product(BaseModel): """Modelo para representar los Productos.""" product_type = models.ForeignKey( ProductType, on_delete=models.CASCADE, related_name='products', verbose_name='Tipo de Producto' ) product_name = models.CharField('Nombre del Producto', max_length=200) description = models.TextField('Descripción', null=True, blank=True) is_active = models.BooleanField('Activo', default=True) is_outlet = models.BooleanField('Es Outlet', default=False) is_feature_product = models.BooleanField('Producto Destacado', default=False) quantity = models.PositiveIntegerField('Cantidad disponible / Stock', default=0) height_cm = models.DecimalField('Alto (cm)', max_digits=10, decimal_places=2, default=0) depth_cm = models.DecimalField('Profundo (cm)', max_digits=10, decimal_places=2, default=0) width_cm = models.DecimalField('Ancho (cm)', max_digits=10, decimal_places=2, default=0) security = models.CharField('Seguridad', max_length=255, default='', blank=True) price = models.DecimalField('Precio', max_digits=12, decimal_places=2, default=0) main_color = models.CharField( 'Color Principal', max_length=100, blank=True, default='', help_text='Nombre o código hexadecimal del color principal del producto (ej. Blanco, #FFFFFF, Roble)' ) product_image = models.ImageField('Imagen del Producto', upload_to=rename_image_upload_to, null=True, blank=True) product_video = models.FileField('Video del Producto', upload_to=rename_video_upload_to, null=True, blank=True) class Meta: verbose_name = 'Producto' verbose_name_plural = 'Productos' ordering = ['product_name'] def save(self, *args, **kwargs): if self.is_outlet and self.quantity <= 0: self.quantity = 0 self.is_active = False if self.product_image: compress_and_save_image(self.product_image) super().save(*args, **kwargs) if self.product_video: compress_and_save_video(self.product_video) def __str__(self): return self.product_name class ProductColorImage(BaseModel): """Modelo para representar múltiples imágenes asociadas a un producto, asignando un color hexadecimal.""" product = models.ForeignKey( Product, on_delete=models.CASCADE, related_name='color_images', verbose_name='Producto' ) color_image = models.ImageField( 'Imagen', upload_to=rename_image_upload_to, null=True, blank=True ) color_hex = models.CharField( 'Color Hexadecimal', max_length=7, default='#000000', help_text='Código de color hexadecimal (ej. #FF5733)' ) color_name = models.CharField( 'Nombre del Color', max_length=100, null=True, blank=True, help_text='Nombre del color asociado a la imagen (ej. Rojo, Azul, Verde)' ) class Meta: verbose_name = 'Color de Producto' verbose_name_plural = 'Colores de los Productos' def save(self, *args, **kwargs): if self.color_image: compress_and_save_image(self.color_image) super().save(*args, **kwargs) def __str__(self): return f"Imagen ({self.color_hex}) - {self.product.product_name}" class ProductAngleImage(BaseModel): """Modelo para representar imágenes de diferentes ángulos asociadas a un producto.""" product = models.ForeignKey( Product, on_delete=models.CASCADE, related_name='angle_images', verbose_name='Producto' ) image = models.ImageField( 'Imagen del Ángulo', upload_to=rename_image_upload_to, null=True, blank=True ) angle = models.CharField( 'Ángulo / Vista', max_length=100, null=True, blank=True, help_text='Nombre o tipo de ángulo (ej. Frente, Lateral, Posterior, Detalle)' ) class Meta: verbose_name = 'Ángulo de Producto' verbose_name_plural = 'Ángulos de Productos' ordering = ['id'] def save(self, *args, **kwargs): if self.image: compress_and_save_image(self.image) super().save(*args, **kwargs) def __str__(self): angle_str = f" - {self.angle}" if self.angle else "" return f"Ángulo{angle_str} - {self.product.product_name}" class FavoriteProduct(BaseModel): """Modelo para representar los productos favoritos o deseados de los usuarios (Wishlist).""" user = models.ForeignKey( settings.AUTH_USER_MODEL, on_delete=models.CASCADE, related_name='favorite_products', verbose_name='Usuario' ) product = models.ForeignKey( Product, on_delete=models.CASCADE, related_name='favorites', verbose_name='Producto' ) class Meta: verbose_name = 'Producto Favorito' verbose_name_plural = 'Productos Favoritos' ordering = ['-created_at'] unique_together = ('user', 'product') def check_and_update_featured_status(self): """ Si el producto alcanza 20 o más favoritos activos de distintos usuarios, se marca automáticamente como producto destacado (is_feature_product=True). """ if not self.is_deleted and self.product_id: active_favorites_count = FavoriteProduct.objects.filter( product_id=self.product_id, is_deleted=False ).count() if active_favorites_count >= 20: try: product = self.product or Product.objects.get(id=self.product_id) if not product.is_feature_product: product.is_feature_product = True product.save(update_fields=['is_feature_product']) except Product.DoesNotExist: pass def save(self, *args, **kwargs): super().save(*args, **kwargs) self.check_and_update_featured_status() def __str__(self): return f"{self.user} ❤️ {self.product.product_name}"