Better demonstration of DataStore

LICENSE

@@ -0,0 +1,13 @@
+Copyright (C) 2014 [email protected]
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License

app/_includes/jumbotron.html

@@ -0,0 +1,13 @@
+<div class="jumbotron">
+    <div class="container">
+        <h2>Managed VMs Sample Project</h2>
+
+        <p>Powered by Fluent-http.</p>
+
+        <p>
+            <a class="btn btn-primary btn-lg" href="https://github.com/CodeStory/fluent-http" role="button">
+                Learn more
+            </a>
+        </p>
+    </div>
+</div>

app/_includes/navbar.html

@@ -0,0 +1,11 @@
+<nav class="navbar navbar-default" role="navigation">
+    <div class="container-fluid">
+        <div class="navbar-header">
+
+            <a class="navbar-brand" href="#">
+                <img alt="Brand" src="/assets/appengine.png">
+            </a>
+            <p class="navbar-text">App Engine</p>
+        </div>
+    </div>
+</nav>

app/_layouts/main.html

@@ -3,12 +3,5 @@
 styles: ['/webjars/bootstrap/3.3.1/css/bootstrap.min.css', '/style.css']
 ---
 
-<div class="container">
-    <div class="row">
-        <div class="col-md12">
-            <h1>[[title]]</h1>
-
-            [[body]]
-        </div>
-    </div>
-</div>
+[[>navbar]]
+[[body]]

app/demo.coffee

@@ -1,6 +1,19 @@
 angular.module 'demo', []
 
+.service 'Messages', ($http) ->
+  list: ->
+    $http.get '/message/list', {cached: false}
+  create: (message) ->
+    $http.post '/message', message
+
 .controller 'IndexController', class
-  constructor: ($http) ->
-    $http.get('/greeting').success (data) =>
-      @greeting = data
+  constructor: (@Messages) ->
+    @refresh()
+
+  refresh: ->
+    @Messages.list().success (data) =>
+      @messages = data
+
+  create: (message) ->
+    @Messages.create(message).success =>
+      @refresh()

app/index.html

@@ -4,19 +4,24 @@
 ng-app: demo
 ---
 
-<section ng-controller="IndexController as index">
-    <h3 ng-cloak>{{index.greeting}}</h3>
+[[>jumbotron]]
 
-    <img src="/assets/appengine.png"/>
+<div class="container-fluid" ng-controller="IndexController as index">
+    <h3>Messages stored on Google Data Store:</h3>
 
-    <p>Brought to you by Google App Engine.</p>
-
-    <ul>
-        <li><a href="/env">Show environment variables</a></li>
-        <li><a href="/request">Show request parameters</a></li>
-        <li><a href="/api/add/test">Insert entity in cloud storage</a></li>
+    <ul ng-cloak>
+        <li ng-repeat="message in index.messages track by $index">
+            <a href="/api/add/test">{{message}}</a>
+        </li>
     </ul>
-</section>
+
+    <form class="form-inline" role="form">
+        <div class="form-group">
+            <input type="text" ng-model="message" class="form-control" id="message" placeholder="Enter a new message">
+        </div>
+        <button type="submit" class="btn btn-default" ng-click="index.create(message)">Add</button>
+    </form>
+</div>
 
 <script src="/webjars/angularjs/1.3.3/angular.min.js"></script>
 <script src="/demo.js"></script>

app/style.less

@@ -2,8 +2,15 @@
   display: none !important;
 }
 
-.container {
-  h1 {
-    margin-top: 50px;
+.navbar {
+  margin-bottom: 0;
+
+  .navbar-brand {
+    padding-top: 5px;
+
+    img {
+      width: 40px;
+      height: 40px;
+    }
   }
-}
+}

index.yaml

@@ -0,0 +1,17 @@
+indexes:
+
+# AUTOGENERATED
+
+# This index.yaml is automatically updated whenever the dev_appserver
+# detects that a new type of query is run.  If you want to manage the
+# index.yaml file manually, remove the above marker line (the line
+# saying "# AUTOGENERATED").  If you want to manage some indexes
+# manually, move them above the marker line.  The index.yaml file is
+# automatically uploaded to the admin console when you next deploy
+# your application using appcfg.py.
+
+- kind: Message
+  ancestor: yes
+  properties:
+  - name: date
+    direction: desc

pom.xml

@@ -45,7 +45,7 @@
             <manifest>
               <addClasspath>true</addClasspath>
               <classpathPrefix>dependency</classpathPrefix>
-              <mainClass>MainWeb</mainClass>
+              <mainClass>gageot.net.MainWeb</mainClass>
             </manifest>
           </archive>
         </configuration>
@@ -59,6 +59,11 @@
       <artifactId>fluent-http-appengine-adapter</artifactId>
       <version>2.31</version>
     </dependency>
+    <dependency>
+      <groupId>net.code-story</groupId>
+      <artifactId>fluent</artifactId>
+      <version>1.1</version>
+    </dependency>
 
     <!-- WebJars -->
     <dependency>

src/main/java/gageot/net/MainWeb.java

@@ -0,0 +1,36 @@
+/**
+ * Copyright (C) 2014 [email protected]
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+ */
+package gageot.net;
+
+import net.codestory.http.Configuration;
+import net.codestory.http.WebServer;
+import net.codestory.http.appengine.AppEngineFilter;
+import net.codestory.http.routes.Routes;
+
+public class MainWeb {
+  public static void main(String[] args) {
+    new WebServer().configure(WebConfiguration.class).start();
+  }
+
+  public static class WebConfiguration implements Configuration {
+    @Override
+    public void configure(Routes routes) {
+      routes
+        .filter(AppEngineFilter.class)
+        .add(MessagesResource.class);
+    }
+  }
+}

src/main/java/gageot/net/MessagesResource.java

@@ -0,0 +1,50 @@
+/**
+ * Copyright (C) 2014 [email protected]
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+ */
+package gageot.net;
+
+import com.google.appengine.api.datastore.Entity;
+import com.google.appengine.api.datastore.Query;
+import net.codestory.http.annotations.Get;
+import net.codestory.http.annotations.Post;
+
+import java.util.Date;
+import java.util.List;
+
+import static com.google.appengine.api.datastore.DatastoreServiceFactory.getDatastoreService;
+import static com.google.appengine.api.datastore.FetchOptions.Builder.withLimit;
+import static com.google.appengine.api.datastore.KeyFactory.createKey;
+import static com.google.appengine.api.datastore.Query.SortDirection.DESCENDING;
+import static net.codestory.Fluent.of;
+
+public class MessagesResource {
+  @Get("/message/list")
+  public List<String> list() {
+    Query query = new Query("Message", createKey("Messages", "list")).addSort("date", DESCENDING);
+
+    List<Entity> messages = getDatastoreService().prepare(query).asList(withLimit(100));
+
+    return of(messages).map(message -> (String) message.getProperty("message")).toList();
+  }
+
+  @Post("/message")
+  public void create(String message) {
+    Entity entity = new Entity("Message", createKey("Messages", "list"));
+    entity.setProperty("message", message);
+    entity.setProperty("date", new Date());
+
+    getDatastoreService().put(entity);
+  }
+}