added LinkedData info

Author: oscarotero

README.md

@@ -73,6 +73,7 @@ $info->providerIcon; //The icon choosen as main icon
 
 $info->publishedDate; //The published date of the resource
 $info->license; //The license url of the resource
+$info->linkedData; //The linked-data info (http://json-ld.org/)
 ```
 
 ## Customization

src/Adapters/Adapter.php

@@ -475,6 +475,19 @@ public function getLicense()
         return Utils::getFirstValue(Utils::getData($this->providers, 'license', $this->request));
     }
 
+    /**
+     * {@inheritdoc}
+     */
+    public function getLinkedData()
+    {
+        $data = [];
+        foreach ($this->providers as $provider) {
+            $data = array_merge($data, $provider->getLinkedData());
+        }
+        
+        return $data;
+    }
+
     /**
      * Get images info.
      * 

src/DataInterface.php

@@ -129,4 +129,11 @@ public function getPublishedTime();
      * @return string|null
      */
     public function getLicense();
+
+    /**
+     * Returns all linked data found.
+     *
+     * @return array
+     */
+    public function getLinkedData();
 }

src/Providers/Html.php

@@ -183,6 +183,36 @@ public function getLicense()
         return $this->bag->get('copyright');
     }
 
+    /**
+     * {@inheritdoc}
+     */
+    public function getLinkedData()
+    {
+        if (!($html = $this->request->getHtmlContent())) {
+            return false;
+        }
+
+        $data = [];
+
+        foreach ($html->getElementsByTagName('script') as $script) {
+            if ($script->hasAttribute('type') && strtolower($script->getAttribute('type')) === 'application/ld+json') {
+                $value = trim($script->nodeValue);
+
+                if (empty($value)) {
+                    continue;
+                }
+
+                try {
+                    $data[] = json_decode($value);
+                } catch (\Exception $exception) {
+                    continue;
+                }
+            }
+        }
+
+        return $data;
+    }
+
     /**
      * Extract information from the <link> elements.
      *

src/Providers/Provider.php

@@ -148,4 +148,12 @@ public function getPublishedTime()
     public function getLicense()
     {
     }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getLinkedData()
+    {
+        return [];
+    }
 }

tests/AbancaTest.php

@@ -0,0 +1,35 @@
+<?php
+
+class AbancaTest extends TestCaseBase
+{
+    public function testOne()
+    {
+        $this->assertEmbed(
+            'https://www.abanca.com/gl',
+            [
+                'linkedData' => [
+                    (object)[
+                        '@context' => 'http://schema.org',
+                        '@type' => 'Organization',
+                        'name' => 'ABANCA',
+                        'url' => 'https://www.abanca.com',
+                        'logo' => 'https://www.abanca.com/img/logo-social.jpg',
+                        'sameAs' => [
+                            'https://www.facebook.com/SomosABANCA',
+                            'https://twitter.com/somosABANCA',
+                            'https://www.youtube.com/user/somosABANCAtv',
+                            'https://www.flickr.com/photos/125188945@N05/',
+                        ],
+                        'contactPoint' => [
+                            (object)[
+                                '@type' => 'ContactPoint',
+                                'telephone' => '+34-981 910 522',
+                                'contactType' => 'customer service',
+                            ]
+                        ],
+                    ]
+                ]
+            ]
+        );
+    }
+}

tests/TestCaseBase.php

@@ -61,6 +61,10 @@ protected function assertEmbed($url, array $info, array $config = array())
                     $this->assertSame($value, $i->$name);
                     break;
 
+                case 'linkedData':
+                    $this->assertEquals($value, $i->$name);
+                    break;
+
                 default:
                     throw new InvalidArgumentException("No valid {$name} assertion");
             }