feat: fix thumbnails button

backend/app/admin.py

@@ -69,3 +69,4 @@ class PlaceAdmin(admin.ModelAdmin):
     list_display = ['title', 'category', 'sort', 'created']
     search_fields = ['title']
     list_filter = ['category']
+    change_list_template = 'admin/place_tools.html'

backend/app/models/place.py

@@ -81,16 +81,17 @@ class Place(models.Model):
         return rv
 
     def update_cover_image(self):
-        path = self.fixed_os_path('cov.jpg')
         if self.image:
             img = Image.open(self.image.path)
             thumb = ImageOps.fit(img, (600, 400))
             # img.thumbnail((600, 400))
-            path.parent.mkdir(parents=True, exist_ok=True)
+            path = self.image.path.replace('img.jpg', 'cov.jpg')
+            # path.parent.mkdir(parents=True, exist_ok=True)
             thumb.save(path, 'jpeg')
-        else:
-            if path.exists():
-                os.remove(path)
+        # else:
+        #     path = self.fixed_os_path('cov.jpg')
+        #     if path.exists():
+        #         os.remove(path)
 
     @staticmethod
     def update_json():
@@ -115,6 +116,11 @@ class Place(models.Model):
             })
         return rv
 
+    @staticmethod
+    def recreateThumbnails() -> None:
+        for x in Place.objects.all():
+            x.update_cover_image()
+
 
 @receiver(post_delete, sender=Place)
 def on_delete_Place(sender, instance: 'Place', using, **kwargs):

backend/app/urls.py

@@ -0,0 +1,23 @@
+from django.http import HttpRequest, JsonResponse
+from django.urls import path
+
+from app.models.place import Place
+
+
+def run_tool(request: HttpRequest):
+    if request.method != 'POST':
+        return JsonResponse({'error': 'unsupported method type'})
+
+    action = request.POST.get('action')
+
+    if action == 'generate-thumbnails':
+        Place.recreateThumbnails()
+    else:
+        return JsonResponse({'error': 'unknown action'})
+
+    return JsonResponse({'success': 'ok'})
+
+
+urlpatterns = [
+    path('tool/', run_tool, name='exec-tool'),
+]