Missing repository topics api endpoints

Author: acrobat

doc/repos.md

@@ -303,3 +303,15 @@ $milestones = $client->api('repo')->milestones('ornicar', 'php-github-api');
 ```
 
 Returns a list of milestones.
+
+### List all topics for a repository
+
+```php
+$topics = $client->api('repo')->topics('ornicar', 'php-github-api');
+```
+
+### Replace all topics for a repository
+
+```php
+$currentTopics = $client->api('repo')->replaceTopics('ornicar', 'php-github-api', ['new', 'topics']);
+```

lib/Github/Api/Repo.php

@@ -28,6 +28,8 @@
  */
 class Repo extends AbstractApi
 {
+    use AcceptHeaderTrait;
+
     /**
      * Search repositories by keyword.
      *
@@ -599,4 +601,20 @@ public function events($username, $repository, $page = 1)
     {
         return $this->get('/repos/'.rawurldecode($username).'/'.rawurldecode($repository).'/events', ['page' => $page]);
     }
+
+    public function topics($username, $repository)
+    {
+        //This api is in preview mode, so set the correct accept-header
+        $this->acceptHeaderValue = 'application/vnd.github.mercy-preview+json';
+
+        return $this->get('/repos/'.rawurldecode($username).'/'.rawurldecode($repository).'/topics');
+    }
+
+    public function replaceTopics($username, $repository, array $topics)
+    {
+        //This api is in preview mode, so set the correct accept-header
+        $this->acceptHeaderValue = 'application/vnd.github.mercy-preview+json';
+
+        return $this->put('/repos/'.rawurldecode($username).'/'.rawurldecode($repository).'/topics', ['names' => $topics]);
+    }
 }

test/Github/Tests/Api/RepoTest.php

@@ -535,6 +535,40 @@ public function shouldGetRepositoryEvents()
         $this->assertEquals($expectedArray, $api->events('KnpLabs', 'php-github-api', 3));
     }
 
+    /**
+     * @test
+     */
+    public function shouldGetRepositoryTopics()
+    {
+        $expectedArray = ['names' => ['octocat', 'atom', 'electron', 'API']];
+
+        $api = $this->getApiMock();
+        $api->expects($this->once())
+            ->method('get')
+            ->with('/repos/KnpLabs/php-github-api/topics')
+            ->will($this->returnValue($expectedArray));
+
+        $this->assertEquals($expectedArray, $api->topics('KnpLabs', 'php-github-api'));
+    }
+
+    /**
+     * @test
+     */
+    public function shouldReplaceRepositoryTopics()
+    {
+        $expectedArray = array('id' => 6122723754, 'type' => 'ForkEvent');
+
+        $api = $this->getApiMock();
+        $api->expects($this->once())
+            ->method('put')
+            ->with('/repos/KnpLabs/php-github-api/topics', array(
+                'names' => ['octocat', 'atom', 'electron', 'API'],
+            ))
+            ->will($this->returnValue($expectedArray));
+
+        $this->assertEquals($expectedArray, $api->replaceTopics('KnpLabs', 'php-github-api', ['octocat', 'atom', 'electron', 'API']));
+    }
+
     /**
      * @return string
      */