add a filewatcher to automatically reindex if new file is added

apiGo/videoparser/FileWatcher.go

@@ -0,0 +1,58 @@
+package videoparser
+
+import (
+	"github.com/fsnotify/fsnotify"
+	"log"
+	"openmediacenter/apiGo/config"
+	"openmediacenter/apiGo/database"
+	"strings"
+)
+
+func InitFileWatcher() {
+	watcher, err := fsnotify.NewWatcher()
+	if err != nil {
+		log.Fatal("NewWatcher failed: ", err)
+	}
+
+	mSettings, _, _ := database.GetSettings()
+	vidFolder := config.GetConfig().General.ReindexPrefix + mSettings.VideoPath
+	epsfolder := config.GetConfig().General.ReindexPrefix + mSettings.EpisodePath
+
+	defer watcher.Close()
+	go func() {
+		for {
+			select {
+			case event, ok := <-watcher.Events:
+				if !ok {
+					return
+				}
+				// start new reindex
+				// (may be optimized by checking here if added file is video
+				// and start reindex just for one file)
+				if strings.Contains(event.Name, vidFolder) {
+					StartReindex()
+				} else if strings.Contains(event.Name, epsfolder) {
+					StartTVShowReindex()
+				} else {
+					log.Printf("Event in wrong folder: %s %s\n", event.Name, event.Op)
+				}
+			case err, ok := <-watcher.Errors:
+				if !ok {
+					return
+				}
+				log.Println("error:", err)
+			}
+		}
+
+	}()
+
+	err = watcher.Add(vidFolder)
+	if err != nil {
+		log.Println("Adding of file watcher failed: ", err)
+	}
+
+	err = watcher.Add(epsfolder)
+	if err != nil {
+		log.Println("Adding of file watcher failed: ", err)
+	}
+}