Removing tracks

src/js/services/ui/middleware.js

@@ -0,0 +1,46 @@
+
+
+var actions = require('./actions.js')
+var spotifyActions = require('../spotify/actions.js')
+var helpers = require('../../helpers.js')
+
+const UIMiddleware = (function(){
+
+    /**
+     * The actual middleware inteceptor
+     **/
+    return store => next => action => {
+        var state = store.getState();
+
+        switch(action.type){
+
+            case 'REMOVE_TRACKS_FROM_PLAYLIST':
+                var playlist = store.getState().ui.playlist
+                switch( helpers.uriSource( playlist.uri ) ){
+
+                    case 'spotify':
+                        if( !store.getState().spotify.authorized ){
+                            alert('Must be logged in to Spotify to do this')
+                            return
+                        }
+                        if( !store.getState().spotify.me || store.getState().spotify.me.id != playlist.owner.id ){
+                            alert('You can only modify tracks you own')
+                            return
+                        }
+                        store.dispatch( spotifyActions.deleteTracksFromPlaylist( playlist.uri, playlist.snapshot_id, action.track_indexes ))
+                        break
+
+                    case 'm3u':
+                        alert('TODO: delete from M3U')
+                        break
+                }
+
+            // This action is irrelevant to us, pass it on to the next middleware
+            default:
+                return next(action);
+        }
+    }
+
+})();
+
+export default UIMiddleware