feat(preload): prepare models in galleries (#1515)

Previously if applying models from the gallery API, we didn't actually
allowed remote URLs as models as nothing was actually downloading the
models referenced in the configuration file. Now we call Preload after
we have all the models loaded in memory.

api/api.go

@@ -51,6 +51,18 @@ func Startup(opts ...options.AppOption) (*options.Option, *config.ConfigLoader,
 		log.Error().Msgf("error downloading models: %s", err.Error())
 	}
 
+	if options.PreloadJSONModels != "" {
+		if err := localai.ApplyGalleryFromString(options.Loader.ModelPath, options.PreloadJSONModels, cl, options.Galleries); err != nil {
+			return nil, nil, err
+		}
+	}
+
+	if options.PreloadModelsFromPath != "" {
+		if err := localai.ApplyGalleryFromFile(options.Loader.ModelPath, options.PreloadModelsFromPath, cl, options.Galleries); err != nil {
+			return nil, nil, err
+		}
+	}
+
 	if options.Debug {
 		for _, v := range cl.ListConfigs() {
 			cfg, _ := cl.GetConfig(v)
@@ -67,18 +79,6 @@ func Startup(opts ...options.AppOption) (*options.Option, *config.ConfigLoader,
 		}
 	}
 
-	if options.PreloadJSONModels != "" {
-		if err := localai.ApplyGalleryFromString(options.Loader.ModelPath, options.PreloadJSONModels, cl, options.Galleries); err != nil {
-			return nil, nil, err
-		}
-	}
-
-	if options.PreloadModelsFromPath != "" {
-		if err := localai.ApplyGalleryFromFile(options.Loader.ModelPath, options.PreloadModelsFromPath, cl, options.Galleries); err != nil {
-			return nil, nil, err
-		}
-	}
-
 	// turn off any process that was started by GRPC if the context is canceled
 	go func() {
 		<-options.Context.Done()

api/config/config.go

@@ -267,6 +267,7 @@ func (cm *ConfigLoader) ListConfigs() []string {
 	return res
 }
 
+// Preload prepare models if they are not local but url or huggingface repositories
 func (cm *ConfigLoader) Preload(modelPath string) error {
 	cm.Lock()
 	defer cm.Unlock()

api/localai/gallery.go

@@ -130,6 +130,12 @@ func (g *galleryApplier) Start(c context.Context, cm *config.ConfigLoader) {
 					continue
 				}
 
+				err = cm.Preload(g.modelPath)
+				if err != nil {
+					updateError(err)
+					continue
+				}
+
 				g.updateStatus(op.id, &galleryOpStatus{Processed: true, Message: "completed", Progress: 100})
 			}
 		}