fix: speaker serializer email fix

use null serializer only for service accounts

Change-Id: I55a13d49bff8f682d6a410b83acfafa43c963950

Author: smarcet

app/ModelSerializers/Summit/Speakers/PresentationSpeakerBaseSerializer.php

@@ -12,6 +12,7 @@
  * limitations under the License.
  **/
 
+use libs\utils\JsonUtils;
 use models\summit\PresentationSpeaker;
 
 /**
@@ -33,7 +34,6 @@ abstract class PresentationSpeakerBaseSerializer extends SilverStripeSerializer
         'FundedTravel' => 'funded_travel:json_boolean',
         'WillingToTravel' => 'willing_to_travel:json_boolean',
         'WillingToPresentVideo' => 'willing_to_present_video:json_boolean',
-        'Email' => 'email:json_null_email',
         'MemberID' => 'member_id:json_int',
         'RegistrationRequestId' => 'registration_request_id:json_int',
         'ProfilePhotoUrl' => 'pic:json_url',
@@ -71,6 +71,14 @@ public function serialize($expand = null, array $fields = [], array $relations =
             $values['last_name'] = $last_name;
         }
 
+
+        $currentUser = $this->resource_server_context->getCurrentUser();
+        // choose email serializer depending on user permissions
+        // is current user is null then is a service account
+        $values['email'] = is_null($currentUser) ?
+            JsonUtils::toNullEmail($speaker->getEmail()) :
+            JsonUtils::toObfuscatedEmail($speaker->getEmail());
+
         return $values;
     }
 }