feat(misc): add model download status aggregation

py/routes/handlers/misc_handlers.py

@@ -896,18 +896,49 @@ class ModelLibraryHandler:
 
             model_type = None
             versions = []
+            downloaded_version_ids = []
+            history_service = await self._get_download_history_service()
             if lora_versions:
                 model_type = "lora"
                 versions = self._with_downloaded_flag(lora_versions)
+                downloaded_version_ids = await history_service.get_downloaded_version_ids(
+                    model_type,
+                    model_id,
+                )
             elif checkpoint_versions:
                 model_type = "checkpoint"
                 versions = self._with_downloaded_flag(checkpoint_versions)
+                downloaded_version_ids = await history_service.get_downloaded_version_ids(
+                    model_type,
+                    model_id,
+                )
             elif embedding_versions:
                 model_type = "embedding"
                 versions = self._with_downloaded_flag(embedding_versions)
+                downloaded_version_ids = await history_service.get_downloaded_version_ids(
+                    model_type,
+                    model_id,
+                )
+            else:
+                for candidate_type in ("lora", "checkpoint", "embedding"):
+                    candidate_downloaded_version_ids = (
+                        await history_service.get_downloaded_version_ids(
+                            candidate_type,
+                            model_id,
+                        )
+                    )
+                    if candidate_downloaded_version_ids:
+                        model_type = candidate_type
+                        downloaded_version_ids = candidate_downloaded_version_ids
+                        break
 
             return web.json_response(
-                {"success": True, "modelType": model_type, "versions": versions}
+                {
+                    "success": True,
+                    "modelType": model_type,
+                    "versions": versions,
+                    "downloadedVersionIds": downloaded_version_ids,
+                }
             )
         except Exception as exc:  # pragma: no cover - defensive logging
             logger.error("Failed to check model existence: %s", exc, exc_info=True)
@@ -962,6 +993,9 @@ class ModelLibraryHandler:
         self, request: web.Request
     ) -> web.Response:
         try:
+            if request.method == "GET":
+                data = request.query
+            else:
                 data = await request.json()
             model_type, _ = await self._get_scanner_for_type(data.get("modelType"))
             if not model_type:
@@ -979,6 +1013,13 @@ class ModelLibraryHandler:
                 )
 
             downloaded = data.get("downloaded")
+            if isinstance(downloaded, str):
+                normalized_downloaded = downloaded.strip().lower()
+                if normalized_downloaded in {"true", "1"}:
+                    downloaded = True
+                elif normalized_downloaded in {"false", "0"}:
+                    downloaded = False
+
             if not isinstance(downloaded, bool):
                 return web.json_response(
                     {"success": False, "error": "Parameter downloaded must be a boolean"},

py/routes/misc_route_registrar.py

@@ -47,6 +47,11 @@ MISC_ROUTE_DEFINITIONS: tuple[RouteDefinition, ...] = (
         "/api/lm/model-version-download-status",
         "set_model_version_download_status",
     ),
+    RouteDefinition(
+        "GET",
+        "/api/lm/set-model-version-download-status",
+        "set_model_version_download_status",
+    ),
     RouteDefinition("GET", "/api/lm/civitai/user-models", "get_civitai_user_models"),
     RouteDefinition(
         "POST", "/api/lm/download-metadata-archive", "download_metadata_archive"