[enh] Login: allow plugin to stop the process (add extension point 'loginCheck')

[fix] Wot identity: add toast when message sent

www/js/services/wallet-services.js

@@ -136,11 +136,22 @@ angular.module('cesium.wallet.services', ['ngApi', 'ngFileSaver', 'cesium.bma.se
               };
           }
 
+          if (needLogin) {
+            // extend API to check login validity
+            return api.data.raisePromise.loginCheck(data)
+              .catch(function (err) {
+                resetData(); // Reset data if not valid, then exit process
+                throw err;
+              })
               // Call extend api
+              .then(function() {
                 if (needLogin) {
                   return api.data.raisePromise.login(data);
                 }
+              });
+          }
         })
+
         .then(function() {
           // store wallet if need
           if (csSettings.data.useLocalStorage) {
@@ -1609,7 +1620,8 @@ angular.module('cesium.wallet.services', ['ngApi', 'ngFileSaver', 'cesium.bma.se
 
     // Register extension points
     api.registerEvent('data', 'init');
-    api.registerEvent('data', 'login');
+    api.registerEvent('data', 'loginCheck'); // allow to stop the login process
+    api.registerEvent('data', 'login'); // executed after login check (cannot stop the login process)
     api.registerEvent('data', 'auth');
     api.registerEvent('data', 'unauth');
     api.registerEvent('data', 'load');

www/lib/ionic/js/angular/angular-api.js

@@ -118,11 +118,19 @@
                   };
                   deferred.checkFinish = function() {
                     if (deferred.count < listenerCount) return;
+                    deferred.count = 0;
                     if (deferred.errors.length) {
+                        if (deferred.errors.length == 1) {
+                            deferred.raw.reject(deferred.errors[0]);
+                        }
+                        else {
                             deferred.raw.reject(deferred.errors);
                         }
+                        deferred.errors = [];
+                    }
                     else {
                         deferred.raw.resolve(deferred.results);
+                        deferred.results = [];
                     }
                   };
                   deferred.resolve = function(result) {

www/plugins/es/js/controllers/wot-controllers.js

@@ -76,6 +76,9 @@ function ESWotIdentityViewController($scope, $ionicPopover, $q, UIUtils, Modals,
         return esModals.showMessageCompose({
           destPub: $scope.formData.pubkey,
           destUid: $scope.formData.name||$scope.formData.uid
+        })
+        .then(function(send) {
+          if (send) UIUtils.toast.show('MESSAGE.INFO.MESSAGE_SENT');
         });
       });
   };