Merge pull request #20 from ruebot/issue-10

Implement copyResource -- Address #10.

src/Chullo.php

@@ -334,6 +334,40 @@ protected function prepareUri($uri, $transaction = "") {
         return implode([$base_uri, $transaction, $relative_path], '/');
     }
 
+    /**
+     * Issues a COPY request to Fedora.
+     *
+     * @param string    $uri            Resource URI
+     * @param array     $destination    Destination URI
+     * @param string    $transaction    Transaction id
+     *
+     * @return string
+     */
+    public function copyResource($uri,
+                                 $destination,
+                                 $transaction = "") {
+        // Ensure uri takes transaction into account.
+        $uri = $this->prepareUri($uri, $transaction);
+        // Create destinsation URI
+        $destination_uri = $this->prepareUri($destination, $transaction);
+        // Create destination array
+        $options = [
+          'headers' => [
+            'Destination' => $destination_uri,
+            'Overwrite'   => 'T'
+            ],
+        ];
+        $response = $this->client->request(
+          'COPY',
+          $uri,
+          $options
+        );
+
+        // Return the value of the location header
+        $locations = $response->getHeader('Location');
+        return reset($locations);
+    }
+
     /**
      * Issues a MOVE request to Fedora.
      *

src/IFedoraClient.php

@@ -144,14 +144,26 @@ public function modifyResource($uri,
     public function deleteResource($uri,
                                    $transaction = "");
     /**
-     * Issues a MOVE request to Fedora.
+     * Issues a COPY request to Fedora.
      *
      * @param string    $uri            Resource URI
      * @param array     $destination    Destination URI
      * @param string    $transaction    Transaction id
      *
      * @return string
      */
+    public function copyResource($uri,
+                                 $destination,
+                                 $transaction = "");
+    /**
+     * Issues a MOVE request to Fedora.
+     *
+     * @param string    $uri            Resource URI
+     * @param array     $destination    Destination URI
+     * @param string    $transaction    Transaction id
+     *
+     * @return string 
+     */
     public function moveResource($uri,
                                  $destination,
                                  $transaction = "");

test/CopyResourceTest.php

@@ -0,0 +1,78 @@
+<?php
+
+use GuzzleHttp\Client;
+use GuzzleHttp\Handler\MockHandler;
+use GuzzleHttp\HandlerStack;
+use GuzzleHttp\Psr7\Response;
+use Islandora\Chullo\Chullo;
+
+class CopyResourceTest extends \PHPUnit_Framework_TestCase {
+
+    /**
+     * @covers  Islandora\Fedora\Chullo::copyResource
+     * @uses    GuzzleHttp\Client
+     */
+    public function testReturnsUriOn201() {
+        $mock = new MockHandler([
+            new Response(201, ['Location' => "http://localhost:8080/fcrepo/rest/SOME_URI"]),
+        ]);
+
+        $handler = HandlerStack::create($mock);
+        $guzzle = new Client(['handler' => $handler, 'base_uri' => 'http://localhost:8080/fcrepo/rest']);
+        $client = new Chullo($guzzle);
+
+        $result = $client->copyResource("","");
+        $this->assertSame($result, "http://localhost:8080/fcrepo/rest/SOME_URI");
+    }
+
+    /**
+     * @covers            Islandora\Fedora\Chullo::copyResource
+     * @uses              GuzzleHttp\Client
+     * @expectedException GuzzleHttp\Exception\ClientException
+     */
+    public function testThrowsExceptionOn404() {
+        $mock = new MockHandler([
+            new Response(404),
+        ]);
+
+        $handler = HandlerStack::create($mock);
+        $guzzle = new Client(['handler' => $handler, 'base_uri' => 'http://localhost:8080/fcrepo/rest']);
+        $client = new Chullo($guzzle);
+
+        $result = $client->copyResource("","");
+    }
+
+    /**
+     * @covers            Islandora\Fedora\Chullo::copyResource
+     * @uses              GuzzleHttp\Client
+     * @expectedException GuzzleHttp\Exception\ClientException
+     */
+    public function testThrowsExceptionOn409() {
+        $mock = new MockHandler([
+            new Response(409),
+        ]);
+
+        $handler = HandlerStack::create($mock);
+        $guzzle = new Client(['handler' => $handler, 'base_uri' => 'http://localhost:8080/fcrepo/rest']);
+        $client = new Chullo($guzzle);
+
+        $result = $client->copyResource("","");
+    }
+
+    /**
+     * @covers            Islandora\Fedora\Chullo::copyResource
+     * @uses              GuzzleHttp\Client
+     * @expectedException GuzzleHttp\Exception\ServerException
+     */
+    public function testThrowsExceptionOn502() {
+        $mock = new MockHandler([
+            new Response(502),
+        ]);
+
+        $handler = HandlerStack::create($mock);
+        $guzzle = new Client(['handler' => $handler, 'base_uri' => 'http://localhost:8080/fcrepo/rest']);
+        $client = new Chullo($guzzle);
+
+        $result = $client->copyResource("","");
+    }
+}