Загрузка данных


def load_products_cards(self):
        import os
        from PIL import Image, ImageTk
        
        # 1. Очищаем старое содержимое
        for widget in self.scrollable_frame.winfo_children():
            widget.destroy()

        # 2. Получаем список товаров
        products = self.db.get_all_products()
        
        # 3. Находим папку 'images' относительно этого файла
        current_dir = os.path.dirname(os.path.abspath(__file__))
        images_dir = os.path.join(current_dir, "images")
        
        for p in products:
            # --- Обработка данных ---
            try: discount = float(str(p.discount).replace('%', '').strip())
            except: discount = 0.0
            
            try: qty = float(str(p.quantity).strip())
            except: qty = 0.0

            bg_color = "#ADD8E6" if qty == 0 else ("#2E8B57" if discount > 10 else "#FFFFFF")
            fg_color = "white" if (discount > 10 and qty > 0) else "black"

            # --- Создание карточки ---
            card_frame = tk.Frame(self.scrollable_frame, bg=bg_color, bd=2, relief=tk.SOLID)
            card_frame.pack(fill=tk.X, padx=10, pady=5, ipady=5)

            # --- ФОТО ---
            img_container = tk.Frame(card_frame, width=120, height=120, bg="#FFFFFF", bd=1, relief=tk.SOLID)
            img_container.pack(side=tk.LEFT, padx=15, pady=10)
            img_container.pack_propagate(False)

            photo_name = str(p.photo).strip() if p.photo else ""
            img_path = os.path.join(images_dir, photo_name)
            
            # Если файл не найден — берем заглушку
            if not photo_name or not os.path.exists(img_path):
                img_path = os.path.join(images_dir, "picture.png")

            try:
                pil_img = Image.open(img_path).resize((110, 110), Image.Resampling.LANCZOS)
                img = ImageTk.PhotoImage(pil_img)
                img_lbl = tk.Label(img_container, image=img, bg="#FFFFFF")
                img_lbl.image = img 
                img_lbl.pack(fill=tk.BOTH, expand=True)
            except Exception as e:
                tk.Label(img_container, text="Нет фото", bg="#FFFFFF").pack(fill=tk.BOTH, expand=True)

            # --- ЦЕНТРАЛЬНАЯ ЧАСТЬ: ИНФО ---
            info_frame = tk.Frame(card_frame, bg=bg_color)
            info_frame.pack(side=tk.LEFT, fill=tk.BOTH, expand=True, padx=15, pady=10)

            tk.Label(info_frame, text=f"{p.category} | {p.name}", font=("Arial", 12, "bold"), bg=bg_color, fg=fg_color).pack(anchor=tk.W)
            tk.Label(info_frame, text=f"Описание: {p.description}", font=("Arial", 9), bg=bg_color, fg=fg_color, wraplength=400, justify=tk.LEFT).pack(anchor=tk.W)
            tk.Label(info_frame, text=f"Производитель: {p.manufacturer}", font=("Arial", 9), bg=bg_color, fg=fg_color).pack(anchor=tk.W)
            tk.Label(info_frame, text=f"Цена: {p.price} руб.", font=("Arial", 10, "bold"), bg=bg_color, fg=fg_color).pack(anchor=tk.W)
            tk.Label(info_frame, text=f"Наличие: {p.quantity} {p.unit}", font=("Arial", 9), bg=bg_color, fg=fg_color).pack(anchor=tk.W)

            # --- ПРАВАЯ ЧАСТЬ: СКИДКА ---
            discount_frame = tk.Frame(card_frame, bg=bg_color)
            discount_frame.pack(side=tk.RIGHT, padx=25, pady=10)
            tk.Label(discount_frame, text="Скидка", font=("Arial", 9), bg=bg_color, fg=fg_color).pack()
            tk.Label(discount_frame, text=f"{p.discount}%", font=("Arial", 14, "bold"), fg="red", bg=bg_color).pack()