- getMetadataForDoi and updateMetadataForDoi in DoiClient.php

- doi_datacite.xslt: show Subtitle
- further tests in DoiClientTest.php
- DoiController.php: safe DOI metadta in table dataset_identifiers

app/Http/Controllers/DoiController.php

@@ -78,7 +78,7 @@ class DoiController extends Controller
         $dataId = $request->input('publish_id');
         
         // Setup stylesheet
-        $this->loadStyleSheet(public_path() .'\prefixes\doi_datacite.xslt');
+        $this->loadStyleSheet(public_path() .'/prefixes/doi_datacite.xslt');
 
        // set timestamp
         $date = new \DateTime();
@@ -114,14 +114,14 @@ class DoiController extends Controller
         $appUrl = config('app.url');
         $landingPageUrl = $appUrl . "/dataset/" . $dataset->publish_id;
         $response = $this->doiClient->registerDoi($doiValue, $xmlMeta, $landingPageUrl);
+        // if operation successful
         if ($response->getStatusCode() == 201) {
             $doi = new DatasetIdentifier();
             $doi['value'] = $doiValue;
             $doi['dataset_id'] = $dataset->id;
             $doi['type'] = "doi";
             $doi['status'] = "registered";
-            $doi['registration_ts'] = now();
+            $doi->save();
-            // $doi->save();
         }
     }
 

app/Models/DatasetIdentifier.php

@@ -6,7 +6,7 @@ use Illuminate\Database\Eloquent\Model;
 
 class DatasetIdentifier extends Model
 {
-    protected $table = 'dataset_identifierss';
+    protected $table = 'dataset_identifiers';
     protected $guarded = array();
 
     /**

app/Tethys/Utils/DoiClient.php

@@ -33,7 +33,7 @@ class DoiClient implements DoiInterface
     }
 
     /**
-     * Creates a DOI or ARK with the given identifier
+     * Creates a DOI with the given identifier
      *
      * @param string $identifier The desired DOI identifier e.g. '10.5072/tethys.999',
      * @param $xmlMeta
@@ -68,7 +68,6 @@ class DoiClient implements DoiInterface
         }
         // Response Codes
         // 201 Created: operation successful
-        // 400 Bad Request: invalid XML, wrong prefix
         // 401 Unauthorised: no login
         // 403 Forbidden: login problem, quota exceeded
         // 415 Wrong Content Type : Not including content type in the header.
@@ -167,18 +166,74 @@ class DoiClient implements DoiInterface
         return ($statusCode == 200 && $landingPageURL == $body);
     }
 
-    public function getMetadataForDoi($identifier)
+    public function getMetadataForDoi($doiValue)
     {
-        //
+        $response = null;
+        $url = $this->serviceUrl . '/metadata/' . $doiValue;
+        try {
+            $client = new Client([
+                'auth' => [$this->username, $this->password],
+                'base_uri' => $url,
+                'verify' => false,
+            ]);
+            $response = $client->request('GET');
+        } catch (\Exception $e) {
+            $message = 'request to ' . $url . ' failed with ' . $e->getMessage();
+            throw new DoiClientException($message);
+        }
+        // Response Codes
+        // 200 OK: operation successful;
+        // 204 No Content: the DOI is known to DataCite Metadata Store (MDS), but no metadata have been registered;
+        // 401 Unauthorised: no login
+        // 403 Forbidden: permission problem or dataset belongs to another party;
+        // 404 Not Found: DOI does not exist in our database.
+        // 422 Unprocessable Entity Metadata failed validation against the DataCite Schema.
+        if ($response->getStatusCode() != 200) {
+            $message = 'unexpected DataCite MDS response code ' . $response->getStatusCode();
+            // $this->log($message, 'err');
+            throw new DoiClientException($message);
+        }
+        return $response;
     }
 
-    public function updateMetadataForDoi($identifier, $new_meta)
+    public function updateMetadataForDoi($doiValue, $newMeta)
     {
-        //
+        $response = null;
+        $url = $this->serviceUrl . '/metadata/' . $doiValue;
+        try {
+            $client = new Client([
+                'auth' => [$this->username, $this->password],
+                // 'base_uri' => $url,
+                'verify' => false,
+                'headers' => [
+                    'Content-Type' => 'application/xml;charset=UTF-8',
+                ],
+                // 'body' => $xmlMeta,
+            ]);
+            // Provide the body as a string.
+            $response = $client->request('PUT', $url, [
+                'body' => $newMeta,
+            ]);
+        } catch (\Exception $e) {
+            $message = 'request to ' . $url . ' failed with ' . $e->getMessage();
+            // $this->log($message, 'err');
+            throw new DoiClientException($message);
+        }
+        // Response Codes
+        // 201 Created: operation successful
+        // 401 Unauthorised: no login
+        // 403 Forbidden: login problem, quota exceeded
+        // 415 Wrong Content Type : Not including content type in the header.
+        // 422 Unprocessable Entity : invalid XML
+        if ($response->getStatusCode() != 201) {
+            $message = 'unexpected DataCite MDS response code ' . $response->getStatusCode();
+            // $this->log($message, 'err');
+            throw new DoiClientException($message);
+        }
     }
 
     /**
-     * Markiert den Datensatz zur übergebenen DOI als inaktiv.
+     * Markiert den Datensatz zur übergebenen DOI als inaktiv - Status registered (not findable)
      *
      * @param $doiValue
      *

database/migrations/2021_02_26_153027_create_dataset_identifiers_table.php

@@ -19,7 +19,7 @@ class CreateDatasetIdentifiersTable extends Migration
 
             // foreign key to: documents.id
             $table->integer('dataset_id')->unsigned();
-            ;
+            
             $table->foreign('dataset_id')->references('id')->on('documents')
             ->onUpdate('cascade')->onDelete('cascade');
 
@@ -34,8 +34,6 @@ class CreateDatasetIdentifiersTable extends Migration
                 'status',
                 ['draft', 'registered', 'findable']
             )->nullable();
-            // timestamp of DOI registration
-            $table->timestamp('registration_ts');
             $table->timestamps();
         });
     }

public/prefixes/doi_datacite.xslt

@@ -227,11 +227,21 @@
                     <xsl:value-of select="@Language" />
                 </xsl:attribute>
             </xsl:if>
-            <xsl:if test="@Type != '' and @Type != 'Main'">
+
+            <xsl:choose>
+                <xsl:when test="@Type != '' and @Type != 'Sub' and @Type != 'Main'">
                     <xsl:attribute name="titleType">
                         <xsl:value-of select="@Type" />
+                        <xsl:text>Title</xsl:text>
                     </xsl:attribute>
-            </xsl:if>
+                </xsl:when>
+                <xsl:when test="@Type = 'Sub'">
+                    <xsl:attribute name="titleType">
+                        <xsl:value-of select="@Type" />
+                        <xsl:text>title</xsl:text>
+                    </xsl:attribute>
+                </xsl:when>
+            </xsl:choose>
             <xsl:value-of select="@Value"/>
         </title>
     </xsl:template>

tests/Feature/DoiClientTest.php

@@ -7,6 +7,7 @@ use Illuminate\Foundation\Testing\WithFaker;
 use Tests\TestCase;
 use App\Tethys\Utils\DoiClient;
 use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Log;
 
 class DoiClientTest extends TestCase
 {
@@ -21,48 +22,68 @@ class DoiClientTest extends TestCase
     //     $response->assertStatus(200);
     // }
 
-    // public function testCheckDoi()
+    public function testCheckDoi()
-    // {
+    {
-    //     $client = new DoiClient();
+        $client = new DoiClient();
-    //     // $this->setExpectedException('Opus\Doi\ClientException');
+        // $this->setExpectedException('Opus\Doi\ClientException');
-    //     $result = $client->checkDoi(
+        $publish_id = 1;
-    //         '10.5072/tethys-999',
+        $prefix = config('tethys.datacite_prefix');
-    //         'http://localhost/opus4/frontdoor/index/index/999'
+        $doiValue = $prefix . '/tethys.' . $publish_id;
-    //     );
+        $appUrl = config('app.url');
-    //     $this->assertTrue($result);
+        $landingPageUrl = $appUrl . "/dataset/" . $publish_id;
+        $result = $client->checkDoi(
+            $doiValue,
+            $landingPageUrl
+        );
+        $this->assertTrue($result);
 
-    //     $result = $client->checkDoi(
+        $result = $client->checkDoi(
-    //         '10.5072/tethys-999',
+            '10.5072/tethys-999',
-    //         'http://localhost/opus4/frontdoor/index/index/111'
+            'http://localhost/opus4/frontdoor/index/index/111'
+        );
+        $this->assertFalse($result);
+    }
+
+    // public function testRegisterDoiWithDataCiteTestAccount()
+    // {
+    //     // $this->markTestSkipped(
+    //     //     'Test kann nur manuell gestartet werden (Zugangsdaten zum MDS-Testservice von DataCite erforderlich)'
+    //     // );
+
+    //     $myRequest = new Request();
+    //     $myRequest->setMethod('POST');
+
+    //     $myRequest->request->add(
+    //         [
+    //             'publish_id' => 1,
+    //             // 'path' => 'https://www.demo.laudatio-repository.org/foo'
+    //         ]
     //     );
-    //     $this->assertFalse($result);
+
+    //     $doiController = new \App\Http\Controllers\DoiController(new DoiClient());
+    //     $doiController->store($myRequest);
+        
+
+    //     // $client = new DoiClient();
+    //     // $client->registerDoi(
+    //     //     '10.5072/tethys-999',
+    //     //     xmlMeta,
+    //     //     'http://localhost/opus4/frontdoor/index/index/999'
+    //     // );
     // }
 
-    public function testRegisterDoiWithDataCiteTestAccount()
+    public function testGetMetadataForDoi()
     {
-        // $this->markTestSkipped(
+        $client = new DoiClient();
-        //     'Test kann nur manuell gestartet werden (Zugangsdaten zum MDS-Testservice von DataCite erforderlich)'
+        // $this->setExpectedException('Opus\Doi\ClientException');
-        // );
+        $publish_id = 1;
-
+        $prefix = config('tethys.datacite_prefix');
-        $myRequest = new Request();
+        $doiValue = $prefix . '/tethys.' . $publish_id;
-        $myRequest->setMethod('POST');
+        $response = $client->getMetadataForDoi(
-
+            $doiValue
-        $myRequest->request->add(
-            [
-                'publish_id' => 1,
-                'path' => 'https://www.demo.laudatio-repository.org/foo'
-            ]
         );
-
+        $this->assertEquals(200, $response->getStatusCode());
-        $doiController = new \App\Http\Controllers\DoiController(new DoiClient());
+        $testXml = new \SimpleXMLElement($response->getBody()->getContents());
-        $doiController->store($myRequest);
+        Log::alert($testXml->saveXML());
-        
-
-        // $client = new DoiClient();
-        // $client->registerDoi(
-        //     '10.5072/tethys-999',
-        //     xmlMeta,
-        //     'http://localhost/opus4/frontdoor/index/index/999'
-        // );
     }
 }