Andrey Smakotin
2b6acc5564
- Add ImageProcessor utility for automatic image resizing * Creates 4 versions: original, thumbnail (150x150), medium (400x400), large (800x800) * Uses LANCZOS algorithm for quality, JPEG quality 90 for optimization * Handles PNG transparency with white background * 90% file size reduction for thumbnails vs original - Add ImageService for URL generation * Dynamically computes paths based on original filename * Methods: get_thumbnail_url(), get_medium_url(), get_large_url(), get_original_url() * No additional database overhead - Update Photo models with automatic processing * ProductPhoto, ProductKitPhoto, ProductCategoryPhoto * Auto-creates all sizes on save * Auto-deletes all sizes on delete * Handles image replacement with cleanup - Enhance admin interface * Display all 4 image versions side-by-side in admin * Grid layout for easy comparison * Readonly preview fields - Add management command * process_images: batch process existing images * Support filtering by model type * Progress reporting and error handling - Clean database * Removed old migrations, rebuild from scratch * Clean SQLite database - Add comprehensive documentation * IMAGE_STORAGE_STRATEGY.md: full system architecture * QUICK_START_IMAGES.md: quick reference guide * IMAGE_SYSTEM_EXAMPLES.md: code examples for templates/views/API Performance metrics: * Original: 6.1K * Medium: 2.9K (52% smaller) * Large: 5.6K (8% smaller) * Thumbnail: 438B (93% smaller) 🤖 Generated with Claude Code Co-Authored-By: Claude <noreply@anthropic.com>
49 lines
2.8 KiB
Python
49 lines
2.8 KiB
Python
# Generated by Django 5.2.7 on 2025-10-22 13:03
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import django.db.models.deletion
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from django.db import migrations, models
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class Migration(migrations.Migration):
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initial = True
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dependencies = [
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('orders', '0001_initial'),
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('products', '0001_initial'),
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]
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operations = [
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migrations.CreateModel(
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name='Stock',
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fields=[
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('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
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('quantity_available', models.DecimalField(decimal_places=3, default=0, max_digits=10, verbose_name='Доступное количество')),
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('quantity_reserved', models.DecimalField(decimal_places=3, default=0, max_digits=10, verbose_name='Зарезервированное количество')),
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('updated_at', models.DateTimeField(auto_now=True, verbose_name='Дата обновления')),
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('product', models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, related_name='stock', to='products.product', verbose_name='Товар')),
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],
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options={
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'verbose_name': 'Остаток на складе',
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'verbose_name_plural': 'Остатки на складе',
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'indexes': [models.Index(fields=['product'], name='inventory_s_product_4c1da7_idx')],
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},
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),
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migrations.CreateModel(
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name='StockMovement',
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fields=[
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('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
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('change', models.DecimalField(decimal_places=3, max_digits=10, verbose_name='Изменение')),
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('reason', models.CharField(choices=[('purchase', 'Закупка'), ('sale', 'Продажа'), ('write_off', 'Списание'), ('adjustment', 'Корректировка')], max_length=20, verbose_name='Причина')),
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('created_at', models.DateTimeField(auto_now_add=True, verbose_name='Дата создания')),
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('order', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='stock_movements', to='orders.order', verbose_name='Заказ')),
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('product', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='movements', to='products.product', verbose_name='Товар')),
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],
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options={
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'verbose_name': 'Движение товара',
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'verbose_name_plural': 'Движения товаров',
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'indexes': [models.Index(fields=['product'], name='inventory_s_product_cbdc37_idx'), models.Index(fields=['created_at'], name='inventory_s_created_05ebf5_idx')],
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},
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),
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]
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