(js) Fix batch delete of messages

Internal arrays/objects were not properly updated.

UI/WebServerResources/js/Mailer/Mailbox.service.js

@@ -193,7 +193,6 @@
       if (this.$loadMessage(message.uid))
         return message;
     }
-
     return null;
   };
 
@@ -254,7 +253,9 @@
     if (!angular.isDefined(this.unseenCount))
       this.unseenCount = 0;
 
-    this.$isLoading = true;
+    Mailbox.$timeout(function() {
+      _this.$isLoading = true;
+    });
 
     return Mailbox.$Preferences.ready().then(function() {
 
@@ -508,8 +509,33 @@
    * @desc Delete multiple messages from mailbox.
    * @return a promise of the HTTP operation
    */
-  Mailbox.prototype.$deleteMessages = function(uids) {
-    return Mailbox.$$resource.post(this.id, 'batchDelete', {uids: uids});
+  Mailbox.prototype.$deleteMessages = function(messages) {
+    var _this = this, uids;
+
+    uids = _.pluck(messages, 'uid');
+    return Mailbox.$$resource.post(this.id, 'batchDelete', {uids: uids})
+      .then(function() {
+        var selectedMessages, selectedUIDs, unseen;
+        // Decrement the unseenCount accordingly
+        unseen = _.filter(messages, function(message, i) { return !message.isread; });
+        _this.unseenCount -= unseen.length;
+        // Remove messages from $messages and uidsMap
+        _.forEachRight(_this.$messages, function(message, index) {
+          var selectedIndex = _.findIndex(uids, function(uid) {
+            return message.uid == uid;
+          });
+          if (selectedIndex > -1) {
+            uids.splice(selectedIndex, 1);
+            delete _this.uidsMap[message.uid];
+            if (message.uid == _this.selectedMessage)
+              delete _this.selectedMessage;
+            _this.$messages.splice(index, 1);
+          }
+          else {
+            _this.uidsMap[message.uid] -= uids.length;
+          }
+        });
+      });
   };
 
   /**

UI/WebServerResources/js/Mailer/MailboxController.js

@@ -54,15 +54,27 @@
                      l('Are you sure you want to delete the selected messages?'))
         .then(function() {
           // User confirmed the deletion
-          var selectedMessages = _.filter(vm.selectedFolder.$messages, function(message) { return message.selected; });
-          var selectedUIDs = _.pluck(selectedMessages, 'uid');
-          vm.selectedFolder.$deleteMessages(selectedUIDs).then(function() {
-            // Decrement the unseenCount accordingly
-            var unseenCount = _.filter(selectedMessages, function(message) { return !message.isread; });
-            vm.selectedFolder.$messages = _.difference(vm.selectedFolder.$messages, selectedMessages);
-            vm.selectedFolder.unseenCount =- unseenCount;
-          },  function(error) {
-            Dialog.alert(l('Error'), error);
+          var unselectMessage = false;
+          var selectedMessages = _.filter(vm.selectedFolder.$messages, function(message) {
+            if (message.uid == vm.selectedFolder.selectedMessage)
+              unselectMessage = true;
+            return message.selected;
+          });
+          vm.selectedFolder.$deleteMessages(selectedMessages).then(function() {
+            if (unselectMessage) {
+              if (Mailbox.$virtualMode)
+                $state.go('mail.account.virtualMailbox',
+                          {
+                            accountId: stateAccount.id,
+                            mailboxId: encodeUriFilter(vm.selectedFolder.path)
+                          });
+              else
+                $state.go('mail.account.mailbox',
+                          {
+                            accountId: stateAccount.id,
+                            mailboxId: encodeUriFilter(vm.selectedFolder.path)
+                          });
+            }
           });
         });
     }
@@ -70,11 +82,7 @@
     function copySelectedMessages(folder) {
       var selectedMessages = _.filter(vm.selectedFolder.$messages, function(message) { return message.selected; });
       var selectedUIDs = _.pluck(selectedMessages, 'uid');
-      vm.selectedFolder.$copyMessages(selectedUIDs, '/' + folder).then(function() {
-        // TODO: refresh target mailbox?
-      }, function(error) {
-        Dialog.alert(l('Error'), error);
-      });
+      vm.selectedFolder.$copyMessages(selectedUIDs, '/' + folder);
     }
 
     // function moveSelectedMessages(folder) {

UI/WebServerResources/js/Mailer/Mailer.app.js

@@ -172,8 +172,8 @@
   /**
    * @ngInject
    */
-  stateMailbox.$inject = ['Mailbox', '$stateParams', 'stateAccount', 'decodeUriFilter'];
-  function stateMailbox(Mailbox, $stateParams, stateAccount, decodeUriFilter) {
+  stateMailbox.$inject = ['$stateParams', 'stateAccount', 'decodeUriFilter'];
+  function stateMailbox($stateParams, stateAccount, decodeUriFilter) {
     var mailboxId = decodeUriFilter($stateParams.mailboxId),
         _find;
 

UI/WebServerResources/js/Mailer/MessageController.js

@@ -48,7 +48,7 @@
     }
 
     function doDelete() {
-      stateMailbox.$deleteMessages([stateMessage.uid]).then(function() {
+      stateMailbox.$deleteMessages([stateMessage]).then(function() {
         // Remove message from list of messages
         var index = _.findIndex(stateMailbox.$messages, function(o) {
           return o.uid == stateMessage.uid;