[FEATURE] Get the number of subscribers of list and added tests (#116)

Closes #115

Author: xh3n1

src/Controller/ListController.php

@@ -16,6 +16,7 @@
  * This controller provides REST API access to subscriber lists.
  *
  * @author Oliver Klee <[email protected]>
+ * @author Xheni Myrtaj <[email protected]>
  */
 class ListController extends FOSRestController implements ClassResourceInterface
 {
@@ -96,4 +97,19 @@ public function getMembersAction(Request $request, SubscriberList $list): View
 
         return View::create()->setData($list->getSubscribers());
     }
+
+    /**
+     * Gets the total number of subscribers of a list.
+     *
+     * @param Request $request
+     * @param SubscriberList $list
+     *
+     * @return View
+     */
+    public function getSubscribersCountAction(Request $request, SubscriberList $list): View
+    {
+        $this->requireAuthentication($request);
+
+        return View::create()->setData(count($list->getSubscribers()));
+    }
 }

tests/Integration/Controller/AbstractControllerTest.php

@@ -102,6 +102,16 @@ protected function getDecodedJsonResponseContent(): array
         return json_decode($this->client->getResponse()->getContent(), true);
     }
 
+    /**
+     * Returns the response content as int.
+     *
+     * @return int
+     */
+    protected function getResponseContentAsInt(): int
+    {
+        return json_decode($this->client->getResponse()->getContent(), true);
+    }
+
     /**
      * Asserts that the (decoded) JSON response content is the same as the expected array.
      *

tests/Integration/Controller/Fixtures/SubscriberList.csv

@@ -1,3 +1,4 @@
 id,name,description,entered,modified,listorder,prefix,active,category,owner
 1,"News","News (and some fun stuff)","2016-06-22 15:01:17","2016-06-23 19:50:43",12,"phpList",1,"news",1
 2,"More news","","2016-06-22 15:01:17","2016-06-23 19:50:43",12,"",1,"",1
+3,"Tech news","","2019-02-11 15:01:15","2019-02-11 19:50:43",12,"",1,"",1

tests/Integration/Controller/ListControllerTest.php

@@ -10,6 +10,7 @@
  * Testcase.
  *
  * @author Oliver Klee <[email protected]>
+ * @author Xheni Myrtaj <[email protected]>
  */
 class ListControllerTest extends AbstractControllerTest
 {
@@ -107,7 +108,17 @@ public function getListsWithCurrentSessionKeyReturnsListData()
                     'public' => true,
                     'category' => '',
                     'id' => 2,
-                ]
+                ],
+                [
+                    'name' => 'Tech news',
+                    'description' => '',
+                    'creation_date' => '2019-02-11T15:01:15+00:00',
+                    'list_position' => 12,
+                    'subject_prefix' => '',
+                    'public' => true,
+                    'category' => '',
+                    'id' => 3,
+                ],
             ]
         );
     }
@@ -320,4 +331,83 @@ public function getListMembersWithCurrentSessionKeyForExistingListWithSubscriber
             ]
         );
     }
+
+    /**
+     * @test
+     */
+    public function getListSubscribersCountForExistingListWithoutSessionKeyReturnsForbiddenStatus()
+    {
+        $this->getDataSet()->addTable(static::LISTS_TABLE_NAME, __DIR__ . '/Fixtures/SubscriberList.csv');
+        $this->applyDatabaseChanges();
+
+        $this->client->request('get', '/api/v2/lists/1/subscribers/count');
+
+        $this->assertHttpForbidden();
+    }
+
+    /**
+     * @test
+     */
+    public function getListSubscribersCountForExistingListWithExpiredSessionKeyReturnsForbiddenStatus()
+    {
+        $this->getDataSet()->addTable(static::LISTS_TABLE_NAME, __DIR__ . '/Fixtures/SubscriberList.csv');
+        $this->getDataSet()->addTable(static::ADMINISTRATOR_TABLE_NAME, __DIR__ . '/Fixtures/Administrator.csv');
+        $this->getDataSet()->addTable(static::TOKEN_TABLE_NAME, __DIR__ . '/Fixtures/AdministratorToken.csv');
+        $this->applyDatabaseChanges();
+
+        $this->client->request(
+            'get',
+            '/api/v2/lists/1/subscribers/count',
+            [],
+            [],
+            ['PHP_AUTH_USER' => 'unused', 'PHP_AUTH_PW' => 'cfdf64eecbbf336628b0f3071adba763']
+        );
+
+        $this->assertHttpForbidden();
+    }
+
+    /**
+     * @test
+     */
+    public function getListSubscribersCountWithCurrentSessionKeyForExistingListReturnsOkayStatus()
+    {
+        $this->getDataSet()->addTable(static::LISTS_TABLE_NAME, __DIR__ . '/Fixtures/SubscriberList.csv');
+        $this->applyDatabaseChanges();
+
+        $this->authenticatedJsonRequest('get', '/api/v2/lists/1/subscribers/count');
+
+        $this->assertHttpOkay();
+    }
+
+    /**
+     * @test
+     */
+    public function getListSubscribersCountWithCurrentSessionKeyForExistingListWithNoSubscribersReturnsZero()
+    {
+        $this->getDataSet()->addTable(static::LISTS_TABLE_NAME, __DIR__ . '/Fixtures/SubscriberList.csv');
+        $this->getDataSet()->addTable(static::SUBSCRIBER_TABLE_NAME, __DIR__ . '/Fixtures/Subscriber.csv');
+        $this->getDataSet()->addTable(static::SUBSCRIPTION_TABLE_NAME, __DIR__ . '/Fixtures/Subscription.csv');
+        $this->applyDatabaseChanges();
+
+        $this->authenticatedJsonRequest('get', '/api/v2/lists/3/subscribers/count');
+        $responseContent = $this->getResponseContentAsInt();
+
+        static::assertSame(0, $responseContent);
+    }
+
+    /**
+     * @test
+     */
+    public function getListSubscribersCountWithCurrentSessionKeyForExistingListWithSubscribersReturnsSubscribersCount()
+    {
+        $this->getDataSet()->addTable(static::LISTS_TABLE_NAME, __DIR__ . '/Fixtures/SubscriberList.csv');
+        $this->getDataSet()->addTable(static::SUBSCRIBER_TABLE_NAME, __DIR__ . '/Fixtures/Subscriber.csv');
+        $this->getDataSet()->addTable(static::SUBSCRIPTION_TABLE_NAME, __DIR__ . '/Fixtures/Subscription.csv');
+        $this->applyDatabaseChanges();
+
+        $this->authenticatedJsonRequest('get', '/api/v2/lists/2/subscribers/count');
+        $responseContent = $this->getResponseContentAsInt();
+
+        static::assertSame(1, $responseContent);
+    }
 }