[Persistence] Show user, modification time

Show user name and modification time in dialog when revision-checking
detects modifications. WTD-1033.

platform/persistence/queue/bundle.json

@@ -31,6 +31,12 @@
                 "key": "persistence-failure-dialog",
                 "templateUrl": "templates/persistence-failure-dialog.html"
             }
+        ],
+        "controllers": [
+            {
+                "key": "PersistenceFailureController",
+                "implementation": "PersistenceFailureController.js"
+            }
         ]
     }
 }

platform/persistence/queue/res/templates/persistence-failure-dialog.html

@@ -1,3 +1,5 @@
+<span ng-controller="PersistenceFailureController as controller">
+
 <div ng-if="ngModel.revised.length > 0">
     External changes have been made to the following objects:
     <ul>
@@ -5,6 +7,10 @@
             <mct-representation key="'label'"
                                 mct-object="failure.domainObject">
             </mct-representation>
+            was modified at
+            <b>{{controller.formatTimestamp(failure.error.model.modified)}}</b>
+            by
+            <i>{{controller.formatUsername(failure.error.model.modifier)}}</i>
         </li>
     </ul>
     You may overwrite these objects, or discard your changes to keep
@@ -22,3 +28,4 @@
     </ul>
 </div>
 
+</span>

platform/persistence/queue/src/PersistenceFailureConstants.js

@@ -2,5 +2,7 @@
 
 define({
     REVISION_ERROR_KEY: "revision",
-    OVERWRITE_KEY: "overwrite"
+    OVERWRITE_KEY: "overwrite",
+    TIMESTAMP_FORMAT: "YYYY-MM-DD HH:mm:ss\\Z",
+    UNKNOWN_USER: "unknown user"
 });

platform/persistence/queue/src/PersistenceFailureController.js

@@ -0,0 +1,32 @@
+/*global define*/
+
+define(
+    ['moment', './PersistenceFailureConstants'],
+    function (moment, Constants) {
+        "use strict";
+
+        /**
+         * Controller to support the template to be shown in the
+         * dialog shown for persistence failures.
+         */
+        function PersistenceFailureController() {
+            return {
+                /**
+                 * Format a timestamp for display in the dialog.
+                 */
+                formatTimestamp: function (timestamp) {
+                    return moment.utc(timestamp)
+                        .format(Constants.TIMESTAMP_FORMAT);
+                },
+                /**
+                 * Format a user name for display in the dialog.
+                 */
+                formatUsername: function (username) {
+                    return username || Constants.UNKNOWN_USER;
+                }
+            };
+        }
+
+        return PersistenceFailureController;
+    }
+);

platform/persistence/queue/test/PersistenceFailureControllerSpec.js

@@ -0,0 +1,27 @@
+/*global define,Promise,describe,it,expect,beforeEach,waitsFor,jasmine*/
+
+
+define(
+    ["../src/PersistenceFailureController"],
+    function (PersistenceFailureController) {
+        "use strict";
+
+        describe("The persistence failure controller", function () {
+            var controller;
+
+            beforeEach(function () {
+                controller = new PersistenceFailureController();
+            });
+
+            it("converts timestamps to human-readable dates", function () {
+                expect(controller.formatTimestamp(402514331000))
+                    .toEqual("1982-10-03 17:32:11Z");
+            });
+
+            it("provides default user names", function () {
+                expect(controller.formatUsername(undefined))
+                    .toEqual(jasmine.any(String));
+            });
+        });
+    }
+);

platform/persistence/queue/test/suite.json

@@ -1,5 +1,6 @@
 [
     "PersistenceFailureConstants",
+    "PersistenceFailureController",
     "PersistenceFailureDialog",
     "PersistenceFailureHandler",
     "PersistenceQueue",