Issue #1120 - message attachment convenience method added

src/main/lombok/com/restfb/types/Message.java

@@ -227,6 +227,18 @@ public boolean isVideo() {
       return null != videoData;
     }
 
+    /**
+     * returns if the attachment is a placeholder for the real
+     * attachment, that is not accessible via API due to privacy rules in Europe
+     *
+     * check <a href="https://developers.facebook.com/docs/messenger-platform/europe-updates">at Facebook</a>
+     *
+     * @return true if not accessible in the EU
+     */
+    public boolean isRemovedInEurope() {
+      return "1234".equals(getId());
+    }
+
   }
 
   /**

src/test/java/com/restfb/types/MessageTest.java

@@ -22,8 +22,7 @@
 package com.restfb.types;
 
 import static com.restfb.testutils.RestfbAssertions.assertThat;
-import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.*;
 
 import java.util.List;
 
@@ -87,4 +86,12 @@ void messagesWithSticker() {
     assertNotNull(exampleMessage);
     assertEquals("https://scontent.xx.fbcdn.net/sticker.png", exampleMessage.getSticker());
   }
+
+  @Test
+  void messageWithRemovedAttachment() {
+    Message exampleMessage = createJsonMapper().toJavaObject(jsonFromClasspath("v7_0/message-eu"), Message.class);
+    assertNotNull(exampleMessage);
+    Message.Attachment attachment = exampleMessage.getAttachments().get(0);
+    assertTrue(attachment.isRemovedInEurope());
+  }
 }

src/test/resources/json/v7_0/message-eu.json

@@ -0,0 +1,11 @@
+{
+  "attachments": {
+    "data": [
+      {
+        "id": "1234",
+        "name": "Media not available due to new privacy rules in Europe. See developer documentation for more info"
+      }
+    ]
+  },
+  "id": "m_mid.12345678900:3911138c1ded9ef216"
+}