fix(mail(js)): resolve draft mailbox from popup window

Fixes #5442

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

@@ -25,9 +25,12 @@
           identity.textSignature = _.map(element.contents(), 'textContent').join(' ').trim();
         }
       });
-      _.forEach(this.$mailboxes, function(mailboxData, i, mailboxes) {
-        mailboxes[i] = new Account.$Mailbox(_this, mailboxData);
-      });
+      if (this.$mailboxes) {
+        // Create instances of Mailbox
+        Account.$Mailbox.$unwrapCollection(this, Account.$q.when({ mailboxes: this.$mailboxes })).then(function(collection) {
+          _this.$mailboxes = collection;
+        });
+      }
     }
     else {
       // The promise will be unwrapped first
@@ -362,6 +365,9 @@
         };
     mailbox = _find(this.$mailboxes);
 
+    if (mailbox == null)
+      throw Error('No mailbox found matching path ' + path);
+
     return mailbox;
   };
 
@@ -565,7 +571,7 @@
 
     if (deep) {
       _.forEach(this.$mailboxes, function(mailbox) {
-        mailboxes.push(mailbox.$omit());
+        mailboxes.push(mailbox.$omit(deep));
       });
       account.$mailboxes = mailboxes;
     }

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

@@ -991,8 +991,16 @@
    * @desc Return a sanitized object used to send to the server.
    * @return an object literal copy of the Mailbox instance
    */
-  Mailbox.prototype.$omit = function() {
-    var mailbox = {};
+  Mailbox.prototype.$omit = function(deep) {
+    var mailbox = {},
+        _visit = function(children) {
+          var childrenArray = [];
+          _.forEach(children, function(o) {
+            childrenArray.push(o.$omit(deep));
+          });
+          return childrenArray;
+        };
+
     angular.forEach(this, function(value, key) {
       if (key != 'constructor' &&
           key != 'children' &&
@@ -1003,6 +1011,9 @@
         mailbox[key] = value;
       }
     });
+    if (deep && this.children) {
+      mailbox.children = _visit(this.children);
+    }
     return mailbox;
   };
 

UI/WebServerResources/js/Mailer/Mailer.popup.js

@@ -175,7 +175,7 @@
           $window.opener.$mailboxController.selectedFolder.path == mailboxId) {
         // The message mailbox is opened in the parent window
         mailbox = new Mailbox(stateAccount,
-                              $window.opener.$mailboxController.selectedFolder.$omit());
+                              $window.opener.$mailboxController.selectedFolder.$omit(true));
       }
     }
 

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

@@ -132,7 +132,8 @@
         _this.flags.splice(i, 1,'_' + flag);
       }
     });
-    this.isread = !!this.isread;
+    // isread will be undefined when composing a new message -- assume unseen flag is not set.
+    this.isread = angular.isDefined(this.isread) ? !!this.isread : true;
   };
 
   /**