- Refactors Mailer class

- Refactors SendingQueue worker class
- Adds Maier router with a send() method + ability to specify sending method
- Updates tests
- Introduces 'stopping' and 'starting' cron states
- Improves cron control mechanism
Closes #276

assets/js/src/cron.jsx

@@ -15,10 +15,10 @@ define(
         status: 'loading'
       };
     },
-    getDaemonData: function() {
+    getCronData: function() {
       MailPoet.Ajax.post({
           endpoint: 'cron',
-          action: 'getDaemonStatus'
+          action: 'getStatus'
         })
         .done(function(response) {
           jQuery('.button-primary')
@@ -32,25 +32,23 @@ define(
     },
     componentDidMount: function() {
       if(this.isMounted()) {
-        this.getDaemonData();
-        setInterval(this.getDaemonData, 5000);
+        this.getCronData();
+        setInterval(this.getCronData, 5000);
       }
     },
-    controlDaemon: function(action) {
+    controlCron: function(action) {
+      if (jQuery('.button-primary').hasClass('disabled')) {
+        return;
+      }
       jQuery('.button-primary')
         .addClass('disabled');
       MailPoet.Ajax.post({
         endpoint: 'cron',
-        action: 'controlDaemon',
-        data: {
-          'action': action
-        }
+        action: action,
       })
       .done(function(response) {
         if(!response.result) {
-          //this.replaceState();
-        } else {
-          //this.setState(response);
+          MailPoet.Notice.error(MailPoetI18n.daemonControlError);
         }
       }.bind(this));
     },
@@ -71,19 +69,25 @@ define(
               <strong> {this.state.counter} </strong> times (once every 30 seconds, unless it was interrupted and restarted).
               <br />
               <br />
-              <a href="#" className="button-primary" onClick={this.controlDaemon.bind(null, 'stop')}>Stop</a>&nbsp;&nbsp;
-              <a href="#" className="button-primary" onClick={this.controlDaemon.bind(null, 'pause')}>Pause</a>
+              <a href="#" className="button-primary" onClick={this.controlCron.bind(null, 'stop')}>Stop</a>
+            </div>
+          );
+        break;
+        case 'starting':
+        case 'stopping':
+          return(
+            <div>
+              Daemon is {this.state.status}
             </div>
           );
         break;
-        case 'paused':
         case 'stopped':
           return(
             <div>
               Daemon is {this.state.status}
               <br />
               <br />
-              <a href="#" className="button-primary" onClick={this.controlDaemon.bind(null, 'start')}>Start</a>
+              <a href="#" className="button-primary" onClick={this.controlCron.bind(null, 'start')}>Start</a>
             </div>
           );
         break;