Add Embed managment

Author: dghyse

src/Mailer.php

@@ -134,6 +134,12 @@ public function sendMessage($message)
                 $mailJetMessage['Attachments'] = $attachments;
             }
 
+            //Get inilined attachments
+            $inlinedAttachments = $message->getInlinedAttachments();
+            if ($inlinedAttachments !== null) {
+                $mailJetMessage['InlinedAttachments'] = $inlinedAttachments;
+            }
+
             $headers = $message->getHeaders();
             if (empty($headers) === false) {
                 $mailJetMessage['Headers'] = $headers;

src/Message.php

@@ -86,6 +86,11 @@ class Message extends BaseMessage
      */
     protected $attachments = [];
 
+    /**
+     * @var array
+     */
+    protected $inlinedAttachments = [];
+
     /**
      * @var string
      */
@@ -496,6 +501,31 @@ public function getAttachments()
         }
     }
 
+    /**
+     * @return array|null list of inlinedAttachments
+     * @since XXX
+     */
+    public function getInlinedAttachments()
+    {
+        if (empty($this->inlinedAttachments) === true) {
+            return null;
+        } else {
+            $inlinedAttachments = array_map(function($inlinedAttachment) {
+                $item = [
+                    'ContentType' => $inlinedAttachment['ContentType'],
+                    'Filename' => $inlinedAttachment['Name'],
+                    'Base64Content' => $inlinedAttachment['Content'],
+                ];
+                if (isset($inlinedAttachment['ContentID']) === true) {
+                    $item['ContentID'] = $inlinedAttachment['ContentID'];
+                }
+                return $item;
+            }, $this->inlinedAttachments);
+            return $inlinedAttachments;
+        }
+    }
+
+
     /**
      * @inheritdoc
      */
@@ -558,8 +588,8 @@ public function embed($fileName, array $options = [])
         } else {
             $embed['ContentType'] = 'application/octet-stream';
         }
-        $embed['ContentID'] = 'cid:' . uniqid();
-        $this->attachments[] = $embed;
+        $embed['ContentID'] = uniqid();
+        $this->inlinedAttachments[] = $embed;
         return $embed['ContentID'];
     }
 
@@ -581,8 +611,8 @@ public function embedContent($content, array $options = [])
         } else {
             $embed['ContentType'] = 'application/octet-stream';
         }
-        $embed['ContentID'] = 'cid:' . uniqid();
-        $this->attachments[] = $embed;
+        $embed['ContentID'] = uniqid();
+        $this->inlinedAttachments[] = $embed;
         return $embed['ContentID'];
     }