(fix) delete messages from Drafts folder that aren't meant to be sent

UI/WebServerResources/js/Mailer/Account.service.js

@@ -269,12 +269,14 @@
     return Account.$$resource.fetch(this.id.toString(), 'compose').then(function(data) {
       Account.$log.debug('New message (compose): ' + JSON.stringify(data, undefined, 2));
       var message = new Account.$Message(data.accountId, _this.$getMailboxByPath(data.mailboxPath), data);
+      message.isNew = true;
       return message;
     }).then(function(message) {
       // Fetch draft initial data
       return Account.$$resource.fetch(message.$absolutePath({asDraft: true}), 'edit').then(function(data) {
         Account.$log.debug('New message (edit): ' + JSON.stringify(data, undefined, 2));
         angular.extend(message.editable, data);
+        message.isNew = true;
         return message;
       });
     });

UI/WebServerResources/js/Mailer/Message.service.js

@@ -566,6 +566,7 @@
       Message.$log.debug('save = ' + JSON.stringify(response, undefined, 2));
       _this.$setUID(response.uid);
       _this.$reload({asDraft: false}); // fetch a new viewable version of the message
+      _this.isNew = false;
     });
   };
 

UI/WebServerResources/js/Mailer/MessageEditorController.js

@@ -133,10 +133,12 @@
     }
 
     function cancel() {
-      // TODO: delete draft?
       if (vm.autosave)
         $timeout.cancel(vm.autosave);
 
+      if (vm.message.isNew && vm.message.attachmentAttrs)
+        vm.message.$mailbox.$deleteMessages([vm.message]);
+
       $mdDialog.cancel();
     }