change dmpInvitationExisting User template

dmp-backend/core/src/main/java/eu/eudat/service/dmp/DmpServiceImpl.java

@@ -729,6 +729,7 @@ public class DmpServiceImpl implements DmpService {
         fieldInfoList.add(new FieldInfo("{reasonName}", DataType.String, this.queryFactory.query(UserQuery.class).ids(this.userScope.getUserIdSafe()).first().getName()));
         fieldInfoList.add(new FieldInfo("{dmpname}", DataType.String, dmp.getLabel()));
         fieldInfoList.add(new FieldInfo("{dmprole}", DataType.String, role.toString()));
+        fieldInfoList.add(new FieldInfo("{id}", DataType.String, dmp.getId().toString()));
         data.setFields(fieldInfoList);
         event.setData(jsonHandlingService.toJsonSafe(data));
         eventHandler.handle(event);

dmp-backend/notification-service/notification-web/src/main/resources/config/notification.yml

@@ -76,7 +76,7 @@ notification:
               optional: [ ]
             body-path: classpath:notification_templates/dmpinvitationexistinguser/email/body.{language}.html
             body-field-options:
-              mandatory: [ "{dmpname}", "{dmprole}", "{reasonName}" ]
+              mandatory: [ "{dmpname}", "{dmprole}", "{reasonName}", "{id}"]
               optional:
                 - key: "{recipient}"
                   value:

dmp-backend/notification-service/notification-web/src/main/resources/notification_templates/dmpinvitationexistinguser/email/body.en.html

@@ -262,6 +262,23 @@
                                     <td>
                                         <p>Dear {recipient},</p>
                                         <p>{reasonName} just add you to collaborate to Data Management plan {dmpname} with role {dmprole}.</p>
+                                        <p>Click the button to redirect to {dmpname}.</p>
+
+                                        <table border="0" cellpadding="0" cellspacing="0" class="btn btn-primary">
+                                            <tbody>
+                                            <tr>
+                                                <td align="left">
+                                                    <table border="0" cellpadding="0" cellspacing="0">
+                                                        <tbody>
+                                                        <tr>
+                                                            <td> <a href="{installation-url}/plans/edit/{id}" target="_blank">Join</a> </td>
+                                                        </tr>
+                                                        </tbody>
+                                                    </table>
+                                                </td>
+                                            </tr>
+                                            </tbody>
+                                        </table>
                                     </td>
                                 </tr>
                             </table>