[Persistence] Begin integrating persistence queue

Begin integrating persistence queue, tweaking for issues
detected through minimal use. WTD-1033.

bundles.json

@@ -13,6 +13,7 @@
     "platform/features/scrolling",
     "platform/forms",
     "platform/persistence/cache",
+    "platform/persistence/queue",
     "platform/persistence/elastic",
 
     "example/generator"

platform/persistence/elastic/src/ElasticPersistenceProvider.js

@@ -38,8 +38,8 @@ define(
                     data: value
                 }).then(function (response) {
                     return response.data;
-                }, function () {
-                    return undefined;
+                }, function (response) {
+                    return (response || {}).data;
                 });
             }
 
@@ -91,7 +91,7 @@ define(
             function checkResponse(response, key) {
                 var error;
                 if (response && !response.error) {
-                    revs[ID] = response[REV];
+                    revs[key] = response[REV];
                     return response;
                 } else {
                     return handleError(response, key);

platform/persistence/queue/src/PersistenceQueue.js

@@ -39,6 +39,7 @@ define(
         ) {
             // Wire up injected dependencies
             return new PersistenceQueueImpl(
+                $q,
                 $timeout,
                 new PersistenceQueueHandler(
                     $q,

platform/persistence/queue/src/PersistenceQueueImpl.js

@@ -21,12 +21,13 @@ define(
          * @param {number} [DELAY] optional; delay in milliseconds between
          *        attempts to flush the queue
          */
-        function PersistenceQueueImpl($timeout, handler, DELAY) {
+        function PersistenceQueueImpl($q, $timeout, handler, DELAY) {
             var queue = {},
                 objects = {},
                 lastObservedSize = 0,
                 pendingTimeout,
-                flushPromise;
+                flushPromise,
+                activeDefer = $q.defer();
 
             // Check if the queue's size has stopped increasing)
             function quiescent() {
@@ -39,8 +40,9 @@ define(
                 flushPromise = handler.persist(queue, objects);
 
                 // When persisted, clear the active promise
-                flushPromise.then(function () {
+                flushPromise.then(function (value) {
                     flushPromise = undefined;
+                    activeDefer.resolve(value);
                 });
 
                 // Reset queue, etc.
@@ -48,14 +50,19 @@ define(
                 objects = {};
                 lastObservedSize = 0;
                 pendingTimeout = undefined;
+                activeDefer = $q.defer();
             }
 
             // Schedule a flushing of the queue (that is, plan to flush
             // all objects in the queue)
             function scheduleFlush() {
                 function maybeFlush() {
+                    // Timeout fired, so clear it
+                    pendingTimeout = undefined;
                     // Only flush when we've stopped receiving updates
                     (quiescent() ? flush : scheduleFlush)();
+                    // Update lastObservedSize to detect quiescence
+                    lastObservedSize = Object.keys(queue).length;
                 }
 
                 // If we are already flushing the queue...
@@ -68,6 +75,8 @@ define(
                     pendingTimeout = pendingTimeout ||
                         $timeout(maybeFlush, DELAY, false);
                 }
+
+                return activeDefer.promise;
             }
 
             // If no delay is provided, use a default
@@ -84,7 +93,7 @@ define(
                     var id = domainObject.getId();
                     queue[id] = persistence;
                     objects[id] = domainObject;
-                    scheduleFlush();
+                    return scheduleFlush();
                 }
             };
         }

platform/persistence/queue/src/QueuingPersistenceCapability.js

@@ -15,12 +15,11 @@ define(
          *        the capability
          */
         function QueuingPersistenceCapability(queue, persistence, domainObject) {
-            var queuingPersistence = Object.create(persistence),
-                id = domainObject.getId();
+            var queuingPersistence = Object.create(persistence);
 
             // Override persist calls to queue them instead
             queuingPersistence.persist = function () {
-                queue.put(id, persistence);
+                return queue.put(domainObject, persistence);
             };
 
             return queuingPersistence;

platform/persistence/queue/src/QueuingPersistenceCapabilityDecorator.js

@@ -43,8 +43,9 @@ define(
             }
 
             function getCapabilities(model) {
-                return capabilityService.getCapabilities(model)
-                    .then(decoratePersistence);
+                return decoratePersistence(
+                    capabilityService.getCapabilities(model)
+                );
             }
 
             return {