send group message recipients

src/transformer/events/core/group_message_sent.php

@@ -47,28 +47,32 @@ function group_message_sent(array $config, \stdClass $event) {
     $course = $repo->read_record_by_id('course', $group->courseid);
     $lang = utils\get_course_lang($course);
 
-    return [[
-        'actor' => utils\get_user($config, $user),
-        'verb' => [
-            'id' => 'http://activitystrea.ms/send',
-            'display' => [
-                'en' => 'Sent'
-            ],
+    $statement = [
+      'actor' => utils\get_user($config, $user),
+      'verb' => [
+        'id' => 'http://activitystrea.ms/send',
+        'display' => [
+          'en' => 'Sent'
         ],
-        'object' => utils\get_activity\message($config, $lang, $message),
-        'context' => [
-            ...utils\get_context_base($config, $event, $lang, $course),
-            'contextActivities' => [
-                'grouping' => [
-                    utils\get_activity\course_group($config, $course, $group)
-                ],
-                'parent' => [
-                    utils\get_activity\course($config, $course),
-                ],
-                'category' => [
-                    utils\get_activity\site($config),
-                ],
-            ],
-        ]
-    ]];
+      ],
+      'object' => utils\get_activity\message($config, $lang, $message),
+      'context' => [
+        ...utils\get_context_base($config, $event, $lang, $course),
+        'contextActivities' => [
+          'grouping' => [
+            utils\get_activity\course_group($config, $course, $group)
+          ],
+          'parent' => [
+            utils\get_activity\course($config, $course),
+          ],
+          'category' => [
+            utils\get_activity\site($config),
+          ],
+        ],
+      ]
+    ];
+    $statement['context']['extensions']['https://yetanalytics.com/profiles/prepositions/concepts/context-extensions/to'] = utils\get_group($config, $group);
+    return [
+      $statement
+    ];
 }

src/transformer/utils/get_group.php

@@ -0,0 +1,66 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Transformer utility for retrieving group data.
+ *
+ * @package   logstore_xapi
+ * @copyright Milt Reder <[email protected]>
+ * @license   https://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace src\transformer\utils;
+
+/**
+ * Transformer utility for retrieving group data.
+ *
+ * @param array $config The transformer config settings.
+ * @param \stdClass $group The group object.
+ * @return array
+ */
+function get_group(array $config, \stdClass $group) {
+  $repo = $config['repo'];
+  $members = $repo->read_records(
+    'groups_members',
+    ['groupid' => $group->id]
+  );
+  $users =
+    array_values(
+      array_map(
+        function($member) use ($repo) {
+          return $repo->read_record_by_id('user', $member->userid);
+        },
+        $members
+      )
+    );
+
+  return [
+    'objectType' => 'Group',
+    ...((isset($group->name))
+        ? [
+          'name' => $group->name
+        ]
+        : []),
+    'member' => array_values(
+      array_map(
+        function($user) use ($config) {
+          return get_user($config, $user);
+        },
+        $users
+      )
+    ),
+  ];
+}

tests/core/group_message_sent/new_group_message_sent/data.json

@@ -19,5 +19,11 @@
       "id": 1,
       "itemid": 1
     }
+  ],
+  "groups_members": [
+    {
+      "groupid": 1,
+      "userid": 1
+    }
   ]
 }

tests/core/group_message_sent/new_group_message_sent/statements.json

@@ -71,6 +71,19 @@
           "event_name": "\\core\\event\\group_message_sent",
           "http://moodle.org": "1.0.0",
           "https://github.com/xAPI-vle/moodle-logstore_xapi": "0.0.0-development"
+        },
+        "https://yetanalytics.com/profiles/prepositions/concepts/context-extensions/to": {
+          "name": "test_name",
+          "objectType": "Group",
+          "member": [
+            {
+              "account": {
+                "homePage": "http://www.example.org",
+                "name": "1"
+              },
+              "name": "test_fullname"
+            }
+          ]
         }
       }
     }