remove all unused images and dirs

Author: lambda-zhang

src/detector/face_motions.js

@@ -48,7 +48,7 @@ function get_device_group_id(cb){
 }
 function remove_face_motion_images(cameraId,trackerId){
   var saving_path = 'face_motion/'+trackerId+'/'
-  makegif.removeUnusedImageDir(saving_path)
+  makegif.removeUnusedImageDir(saving_path, 'face_motion/')
 }
 function do_generate_gif_and_upload(cameraId,trackerId,whole_file,name_sorting,cb){
 
@@ -112,7 +112,7 @@ function do_generate_gif_and_upload(cameraId,trackerId,whole_file,name_sorting,c
                         send_face_motion_event_to_event_server(group_id,uuid,'activity',cameraId,url)
                       }
                     }
-                    //makegif.removeUnusedImageDir(saving_path);
+                    //makegif.removeUnusedImageDir(saving_path, 'face_motion/');
                   })
                 })
               })

src/detector/makegif.js

@@ -55,10 +55,7 @@ function generateGif(type,dir,name_sorting,cb){
   });
 }
 
-function deleteFolderRecursive(path) {
-    if(!REMOVE_IMG_UPLOADED)
-        return;
-
+function _deleteFolderRecursive(path) {
     if( fs.existsSync(path) ) {
         fs.readdirSync(path).forEach(function(file) {
             var curPath = path + "/" + file;
@@ -72,6 +69,29 @@ function deleteFolderRecursive(path) {
     }
 };
 
+
+function deleteFolderRecursive(path, face_motion_path) {
+    if(!REMOVE_IMG_UPLOADED)
+        return;
+
+    // remove current unused images
+    _deleteFolderRecursive(path)
+
+    // remove all unused images and dirs
+    if( fs.existsSync(face_motion_path) ) {
+        fs.readdirSync(face_motion_path).forEach(function(dir) {
+            var curPath = face_motion_path + "/" + dir;
+            var dirstat = fs.statSync(curPath)
+            if (dirstat && dirstat.ctime) {
+              var tsdir = new Date(dirstat.ctime).getTime()
+              if ((tsdir + 10*60*1000) < new Date().getTime() && fs.statSync(curPath).isDirectory()) {
+                  _deleteFolderRecursive(face_motion_path + '/' + dir)
+              }
+            }
+        });
+    }
+};
+
 module.exports = {
   generateGif : generateGif,
   removeUnusedImageDir: deleteFolderRecursive