checkpoint

py/services/lora_scanner.py

@@ -605,7 +605,7 @@ class LoraScanner:
             
             # Update hash index with new path
             if 'sha256' in metadata:
-                self._hash_index.add_entry(metadata['sha256'], new_path)
+                self._hash_index.add_entry(metadata['sha256'].lower(), new_path)
             
             # Update folders list
             all_folders = set(item['folder'] for item in cache.raw_data)
@@ -658,7 +658,27 @@ class LoraScanner:
         
     def get_lora_hash_by_path(self, file_path: str) -> Optional[str]:
         """Get hash for a LoRA by its file path"""
-        return self._hash_index.get_hash(file_path) 
+        return self._hash_index.get_hash(file_path)
+
+    def get_preview_url_by_hash(self, sha256: str) -> Optional[str]:
+        """Get preview static URL for a LoRA by its hash"""
+        # Get the file path first
+        file_path = self._hash_index.get_path(sha256.lower())
+        if not file_path:
+            return None
+            
+        # Determine the preview file path (typically same name with different extension)
+        base_name = os.path.splitext(file_path)[0]
+        preview_extensions = ['.preview.png', '.preview.jpeg', '.preview.jpg', '.preview.mp4',
+                            '.png', '.jpeg', '.jpg', '.mp4']
+        
+        for ext in preview_extensions:
+            preview_path = f"{base_name}{ext}"
+            if os.path.exists(preview_path):
+                # Convert to static URL using config
+                return config.get_preview_static_url(preview_path)
+        
+        return None
 
     # Add new method to get top tags
     async def get_top_tags(self, limit: int = 20) -> List[Dict[str, any]]: