implement send to outbox and check outbox periodically

src/js/app-config.js

@@ -27,7 +27,8 @@ define([], function() {
 				port: 465,
 				host: 'smtp.gmail.com'
 			}
-		}
+		},
+		checkOutboxInterval: 30000
 	};
 
 	/**

src/js/controller/navigation.js

@@ -4,7 +4,8 @@ define(function(require) {
     var angular = require('angular'),
         appController = require('js/app-controller'),
         _ = require('underscore'),
-        emailDao;
+        config = require('js/app-config').config,
+        emailDao, senderIntervalId;
 
     //
     // Controller
@@ -91,6 +92,69 @@ define(function(require) {
             }
         };
 
+        $scope.sendFirstFromOutbox = function() {
+            var dbType = 'email_OUTBOX',
+                outbox = _.findWhere($scope.folders, {
+                    type: 'Outbox'
+                });
+
+            checkStorage();
+
+            function checkStorage() {
+                // get last item from outbox
+                emailDao._devicestorage.listItems(dbType, 0, null, function(err, pending) {
+                    if (err) {
+                        console.error(err);
+                        return;
+                    }
+
+                    // update outbox folder count
+                    outbox.count = pending.length;
+                    $scope.$apply();
+                    if (pending.length < 1) {
+                        return;
+                    }
+
+                    // sending the first one pending
+                    send(pending[0]);
+                });
+            }
+
+            function send(email) {
+                emailDao.smtpSend(email, function(err) {
+                    if (err) {
+                        console.error(err);
+                        return;
+                    }
+
+                    removeFromStorage(email.id);
+                });
+            }
+
+            function removeFromStorage(id) {
+                if (!id) {
+                    console.error('Cannot remove email from storage without a valid id!');
+                    return;
+                }
+
+                // delete email from local storage
+                var key = dbType + '_' + id;
+                emailDao._devicestorage.removeList(key, function(err) {
+                    if (err) {
+                        console.error(err);
+                        return;
+                    }
+
+                    outbox.count = (outbox.count > 0) ? outbox.count - 1 : outbox.count;
+                    $scope.$apply();
+                });
+            }
+        };
+
+        //
+        // Start
+        //
+
         initFolders(function(folders) {
             $scope.folders = folders;
             // select inbox as the current folder on init
@@ -113,6 +177,9 @@ define(function(require) {
                         f.count = 0;
                     });
 
+                    // start checking outbox periodically
+                    startOutboxSender();
+
                     callback(folders);
                     $scope.$apply();
                 });
@@ -141,6 +208,11 @@ define(function(require) {
                 path: 'TRASH'
             }]);
         }
+
+        function startOutboxSender() {
+            // start periodic checking of outbox
+            senderIntervalId = setInterval($scope.sendFirstFromOutbox, config.checkOutboxInterval);
+        }
     };
 
     //

src/js/controller/write.js

@@ -76,7 +76,7 @@ define(function(require) {
             $scope.ciphertextPreview = (body) ? aes.encrypt(body, key, iv) : '';
         };
 
-        $scope.sendEmail = function() {
+        $scope.sendToOutbox = function() {
             var to, body, email;
 
             // validate recipients
@@ -106,15 +106,18 @@ define(function(require) {
                 });
             });
 
-            emailDao.smtpSend(email, function(err) {
+            // set an id for the email and store in outbox
+            email.id = util.UUID();
+            emailDao._devicestorage.storeList([email], 'email_OUTBOX', function(err) {
                 if (err) {
-                    console.log(err);
+                    console.error(err);
                     return;
                 }
 
                 var ps = $scope.$parent.$parent;
                 ps.closeWriter();
                 ps.$apply();
+                ps.sendFirstFromOutbox();
             });
         };
     };

src/tpl/write.html

@@ -37,7 +37,7 @@
       </div><!--/.body-->
 
       <div class="send-control">
-        <button ng-click="sendEmail()" class="btn" ng-disabled="!to" tabindex="5">Send securely</button>
+        <button ng-click="sendToOutbox()" class="btn" ng-disabled="!to" tabindex="5">Send securely</button>
       </div>
     </div><!--/.write-view-->