refactor(routes): extract route utilities into services

py/utils/example_images_metadata.py

@@ -1,14 +1,34 @@
 import logging
 import os
 import re
-from ..utils.metadata_manager import MetadataManager
-from ..utils.routes_common import ModelRouteUtils
+
+from ..recipes.constants import GEN_PARAM_KEYS
+from ..services.metadata_service import get_default_metadata_provider, get_metadata_provider
+from ..services.metadata_sync_service import MetadataSyncService
+from ..services.preview_asset_service import PreviewAssetService
+from ..services.settings_manager import settings
+from ..services.downloader import get_downloader
 from ..utils.constants import SUPPORTED_MEDIA_EXTENSIONS
 from ..utils.exif_utils import ExifUtils
-from ..recipes.constants import GEN_PARAM_KEYS
+from ..utils.metadata_manager import MetadataManager
 
 logger = logging.getLogger(__name__)
 
+_preview_service = PreviewAssetService(
+    metadata_manager=MetadataManager,
+    downloader_factory=get_downloader,
+    exif_utils=ExifUtils,
+)
+
+_metadata_sync_service = MetadataSyncService(
+    metadata_manager=MetadataManager,
+    preview_service=_preview_service,
+    settings=settings,
+    default_metadata_provider_factory=get_default_metadata_provider,
+    metadata_provider_selector=get_metadata_provider,
+)
+
+
 class MetadataUpdater:
     """Handles updating model metadata related to example images"""
     
@@ -53,11 +73,11 @@ class MetadataUpdater:
             async def update_cache_func(old_path, new_path, metadata):
                 return await scanner.update_single_model_cache(old_path, new_path, metadata)
             
-            success, error = await ModelRouteUtils.fetch_and_update_model(
-                model_hash, 
-                file_path, 
-                model_data,
-                update_cache_func
+            success, error = await _metadata_sync_service.fetch_and_update_model(
+                sha256=model_hash,
+                file_path=file_path,
+                model_data=model_data,
+                update_cache_func=update_cache_func,
             )
             
             if success: