Fixed missing image handler

spa/models/Mix.py

@@ -55,12 +55,15 @@ class Mix(_BaseModel):
 
     def get_image(self):
         try:
-            image_root = localsettings.IMAGE_URL if hasattr(localsettings, 'IMAGE_URL') else settings.MEDIA_URL
-            ret = "%s/%s" % (image_root, self.mix_image.name)
-            return ret
+            if os.path.isfile(self.mix_image.file):
+                image_root = localsettings.IMAGE_URL if hasattr(localsettings, 'IMAGE_URL') else settings.MEDIA_URL
+                ret = "%s/%s" % (image_root, self.mix_image.name)
+                return ret
         except:
             return settings.STATIC_URL + 'img/default-track.png'
 
+        return settings.STATIC_URL + 'img/default-track.png'
+
     def get_stream_path(self):
         #return 'media/%s/' % self.local_file.name
         return '/audio/stream/%d' % self.id;

static/js/app/views/mix.js

@@ -166,6 +166,7 @@ window.MixCreateView = DSSEditableView.extend({
         if (this.model.id == undefined) {
             $('#mix-upload', this.el).uploadifive({
                 'uploadScript':'ajax/upload_mix_file_handler/',
+                'buttonText': "Select audio file (mp3 for now please)",
                 'formData':{
                     'upload-hash':this.guid
                 },