Reverted UI code, added unit test for the new REST API and updated docs

docs/rest-api/rest-notebook.md

@@ -392,6 +392,43 @@ If you work with Apache Zeppelin and find a need for an additional REST API, ple
     </tr>
   </table>
 
+<br/>
+### Get the status of a single paragraph
+  <table class="table-configuration">
+    <col width="200">
+    <tr>
+      <td>Description</td>
+      <td>This ```GET``` method gets the status of a single paragraph by the given notebook and paragraph id.
+          The body field of the returned JSON contains of the array that compose of the paragraph id, paragraph status, paragraph finish date, paragraph started date.
+      </td>
+    </tr>
+    <tr>
+      <td>URL</td>
+      <td>```http://[zeppelin-server]:[zeppelin-port]/api/notebook/job/[notebookId]/[paragraphId]```</td>
+    </tr>
+    <tr>
+      <td>Success code</td>
+      <td>200</td>
+    </tr>
+    <tr>
+      <td> Fail code</td>
+      <td> 500 </td>
+    </tr>
+    <tr>
+      <td> sample JSON response </td>
+      <td><pre>
+{
+  "status": "OK",
+  "body": {
+      "id":"20151121-212654\_766735423",
+      "status":"FINISHED",
+      "finished":"Tue Nov 24 14:21:40 KST 2015",
+      "started":"Tue Nov 24 14:21:39 KST 2015"
+    }
+}</pre></td>
+    </tr>
+  </table>
+
 <br/>
 ### Run a paragraph
   <table class="table-configuration">

zeppelin-server/src/test/java/org/apache/zeppelin/rest/NotebookRestApiTest.java

@@ -122,6 +122,28 @@ public class NotebookRestApiTest extends AbstractTestRestApi {
     ZeppelinServer.notebook.removeNote(note2.getId(), null);
 
   }
+
+  @Test
+  public void testGetNoteParagraphJobStatus() throws IOException {
+    Note note1 = ZeppelinServer.notebook.createNote(null);
+    note1.addParagraph();
+
+    String paragraphId = note1.getLastParagraph().getId();
+
+    GetMethod get = httpGet("/notebook/job/" + note1.getId() + "/" + paragraphId);
+    assertThat(get, isAllowed());
+    Map<String, Object> resp = gson.fromJson(get.getResponseBodyAsString(), new TypeToken<Map<String, Object>>() {
+    }.getType());
+    Map<String, Set<String>> paragraphStatus = (Map<String, Set<String>>) resp.get("body");
+
+    // Check id and status have proper value
+    assertEquals(paragraphStatus.get("id"), paragraphId);
+    assertEquals(paragraphStatus.get("status"), "READY");
+
+    //cleanup
+    ZeppelinServer.notebook.removeNote(note1.getId(), null);
+
+  }
 }
 
 

zeppelin-web/src/app/notebook/paragraph/paragraph-control.html

@@ -82,9 +82,6 @@ limitations under the License.
       <li>
         <a ng-click="goToSingleParagraph()"><span class="icon-share-alt"></span> Link this paragraph</a>
       </li>
-      <li>
-        <a ng-click="goToSingleParagraphId()"><span class="icon-share-alt"></span> Get paragraph id</a>
-      </li>
       <li>
         <a ng-click="clearParagraphOutput()"><span class="fa fa-eraser"></span> Clear output</a>
       </li>

zeppelin-web/src/app/notebook/paragraph/paragraph.controller.js

@@ -1821,11 +1821,6 @@ angular.module('zeppelinWebApp').controller('ParagraphCtrl', function($scope, $r
     $window.open(redirectToUrl);
   };
 
-  $scope.goToSingleParagraphId = function() {
-    var paragraphId = $scope.paragraph.id;
-    alert(paragraphId);
-  };
-
   $scope.showScrollDownIcon = function() {
     var doc = angular.element('#p' + $scope.paragraph.id + '_text');
     if (doc[0]) {