58 lines
1.7 KiB
JavaScript
58 lines
1.7 KiB
JavaScript
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var actions = require('./actions.js')
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const PusherMiddleware = (function(){
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// container for the actual Mopidy socket
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var socket = null;
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// handle all manner of socket messages
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const handleMessage = (ws, store, message) => {
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switch( message.action ){
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default:
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store.dispatch({ type: 'PUSHER_'+message.action.toUpperCase(), data: message.data })
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}
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}
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/**
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* Middleware
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*
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* This behaves like an action interceptor. We listen for specific actions
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* and handle special functionality. If the action is not in our switch, then
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* it just proceeds to the next middleware, or default functionality
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**/
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return store => next => action => {
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switch(action.type) {
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case 'PUSHER_CONNECT':
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if(socket != null) socket.close();
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store.dispatch({ type: 'PUSHER_CONNECTING' });
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var state = store.getState();
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socket = new WebSocket(
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'ws://'+state.mopidy.host+':'+state.pusher.port+'/pusher'
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);
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socket.onopen = function(){
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store.dispatch({ type: 'PUSHER_CONNECTED' });
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};
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socket.onmessage = function(message){
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var message = JSON.parse(message.data);
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handleMessage( socket, store, message )
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};
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break;
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// This action is irrelevant to us, pass it on to the next middleware
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default:
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return next(action);
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}
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}
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})();
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export default PusherMiddleware
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