feat: Add product kit creation view and its corresponding template.

myproject/products/templates/products/productkit_create.html

@@ -1373,12 +1373,38 @@
                         reader.readAsDataURL(file);
                     });
                 } else {
-                    photoPreviewContainer.style.display = 'none';
+                    photoPreviewContainer.style.display = 'none'; // Only hide if no source photos too (will check later)
                     photoPreview.innerHTML = '';
+
+                    // Re-render source photos if they exist and we just cleared new files
+                    if (document.querySelectorAll('.source-photo-item').length > 0) {
+                        photoPreviewContainer.style.display = 'block';
+                    }
                 }
             });
         }
 
+        // Render source photos if present
+        {% if source_photos %}
+        photoPreviewContainer.style.display = 'block';
+        {% for photo in source_photos %}
+        (function () {
+            const col = document.createElement('div');
+            col.className = 'col-4 col-md-3 col-lg-2 source-photo-item';
+            col.innerHTML = `
+                        <div class="card position-relative border-0 shadow-sm">
+                            <img src="{{ photo.image.url }}" class="card-img-top" alt="Source Photo">
+                            <button type="button" class="btn btn-sm btn-danger position-absolute top-0 end-0 m-1" onclick="this.closest('.col-4').remove();">
+                                <i class="bi bi-x"></i>
+                            </button>
+                            <input type="hidden" name="copied_photos" value="{{ photo.id }}">
+                        </div>
+                    `;
+            photoPreview.appendChild(col);
+        })();
+        {% endfor %}
+        {% endif %}
+
         window.removePhoto = function (index) {
             selectedFiles.splice(index, 1);
             const dataTransfer = new DataTransfer();

myproject/products/views/productkit_views.py

@@ -12,6 +12,7 @@ from user_roles.mixins import ManagerOwnerRequiredMixin
 from ..models import ProductKit, ProductCategory, ProductTag, ProductKitPhoto, Product, ProductVariantGroup, BouquetName, ProductSalesUnit
 from ..forms import ProductKitForm, KitItemFormSetCreate, KitItemFormSetUpdate
 from .utils import handle_photos
+import os
 
 
 class ProductKitListView(LoginRequiredMixin, ManagerOwnerRequiredMixin, ListView):
@@ -296,6 +297,17 @@ class ProductKitCreateView(LoginRequiredMixin, ManagerOwnerRequiredMixin, Create
             context['selected_products'] = selected_products
             context['selected_variants'] = selected_variants
             context['selected_sales_units'] = selected_sales_units
+            
+            # Pass source photos if copying
+            if copy_id:
+                try:
+                    source_kit = ProductKit.objects.prefetch_related('photos').get(pk=copy_id)
+                    photos = source_kit.photos.all().order_by('order')
+                    print(f"DEBUG: Found {photos.count()} source photos for kit {copy_id}")
+                    context['source_photos'] = photos
+                except ProductKit.DoesNotExist:
+                    print(f"DEBUG: Source kit {copy_id} not found")
+                    pass
 
         # Количество названий букетов в базе
         context['bouquet_names_count'] = BouquetName.objects.count()
@@ -335,6 +347,48 @@ class ProductKitCreateView(LoginRequiredMixin, ManagerOwnerRequiredMixin, Create
                 # Обработка фотографий
                 handle_photos(self.request, self.object, ProductKitPhoto, 'kit')
 
+                # Handle copied photos
+                copied_photo_ids = self.request.POST.getlist('copied_photos')
+                print(f"DEBUG: copied_photo_ids in POST: {copied_photo_ids}")
+                
+                if copied_photo_ids:
+                    from django.core.files.base import ContentFile
+                    original_photos = ProductKitPhoto.objects.filter(id__in=copied_photo_ids)
+                    print(f"DEBUG: Found {original_photos.count()} original photos to copy")
+                    
+                    # Get max order from existing photos (uploaded via handle_photos)
+                    from django.db.models import Max
+                    max_order = self.object.photos.aggregate(Max('order'))['order__max']
+                    next_order = 0 if max_order is None else max_order + 1
+                    print(f"DEBUG: Starting order for copies: {next_order}")
+
+                    for photo in original_photos:
+                        try:
+                            # Open the original image file
+                            if photo.image:
+                                print(f"DEBUG: Processing photo {photo.id}: {photo.image.name}")
+                                with photo.image.open('rb') as f:
+                                    image_content = f.read()
+                                    
+                                # Create a new ContentFile
+                                new_image_name = f"copy_{self.object.id}_{os.path.basename(photo.image.name)}"
+                                print(f"DEBUG: New image name: {new_image_name}")
+                                
+                                # Create new photo instance
+                                new_photo = ProductKitPhoto(kit=self.object, order=next_order)
+                                # Save the image file (this also saves the model instance)
+                                new_photo.image.save(new_image_name, ContentFile(image_content))
+                                print(f"DEBUG: Successfully saved copy for photo {photo.id}")
+                                
+                                next_order += 1
+                            else:
+                                print(f"DEBUG: Photo {photo.id} has no image file")
+                        except Exception as e:
+                            print(f"Error copying photo {photo.id}: {e}")
+                            import traceback
+                            traceback.print_exc()
+                            continue 
+
                 messages.success(
                     self.request,
                     f'Комплект "{self.object.name}" успешно создан!'