Fix imagekit properties & add regenerate thumbnails command

gallery/management/commands/regenerate_thumbnails.py

@@ -0,0 +1,38 @@
+from django.core.management.base import BaseCommand
+from imagekit.cachefiles import ImageCacheFile
+
+from gallery.models import Photo
+
+
+class Command(BaseCommand):
+    help = 'Regenerate all thumbnails (photo_sm, photo_md, photo_bg)'
+
+    def handle(self, *args, **kwargs):
+        photos = Photo.objects.all()
+        total = photos.count()
+
+        for idx, photo in enumerate(photos, 1):
+            print(f"Processing {idx}/{total}: {photo.photo.name}")
+
+            # Regenerate photo_sm
+            try:
+                photo.photo_sm.generate()  
+                print(f"  - photo_sm regenerated")
+            except Exception as e:
+                print(f"  - Error generating photo_sm: {e}")
+
+            # Regenerate photo_md
+            try:
+                photo.photo_md.generate()  
+                print(f"  - photo_md regenerated")
+            except Exception as e:
+                print(f"  - Error generating photo_md: {e}")
+
+            # Regenerate photo_bg
+            try:
+                photo.photo_bg.generate() 
+                print(f"  - photo_bg regenerated")
+            except Exception as e:
+                print(f"  - Error generating photo_bg: {e}")
+
+        print("Thumbnail regeneration completed!")