Fix/anonymoususerstats

classes/privacy/provider.php

@@ -143,9 +143,15 @@ public static function get_contexts_for_userid(int $userid) : contextlist {
                 INNER JOIN {modules} m ON m.id = cm.module AND m.name = :modname
                 INNER JOIN {moodleoverflow} mof ON mof.id = cm.instance
                 WHERE EXISTS (
-                    SELECT 1 FROM {moodleoverflow_discussions} d WHERE d.moodleoverflow = mof.id AND (d.userid = :duserid OR d.usermodified = :dmuserid)
+                    SELECT 1
+                    FROM {moodleoverflow_discussions} d
+                    WHERE d.moodleoverflow = mof.id AND (d.userid = :duserid OR d.usermodified = :dmuserid)
                 ) OR EXISTS (
-                    SELECT 1 FROM {moodleoverflow_posts} p WHERE p.discussion IN (SELECT id FROM {moodleoverflow_discussions} WHERE moodleoverflow = mof.id) AND p.userid = :puserid
+                    SELECT 1
+                    FROM {moodleoverflow_posts} p
+                    WHERE p.discussion IN (SELECT id
+                                           FROM {moodleoverflow_discussions}
+                                           WHERE moodleoverflow = mof.id) AND p.userid = :puserid
                 ) OR EXISTS (
                     SELECT 1 FROM {moodleoverflow_read} r WHERE r.moodleoverflowid = mof.id AND r.userid = :ruserid
                 ) OR EXISTS (

classes/ratings.php

@@ -477,7 +477,7 @@ public static function moodleoverflow_discussion_is_solved($discussionid, $teach
      *
      * @return int
      */
-    private static function moodleoverflow_get_reputation_instance($moodleoverflowid, $userid = null) {
+    public static function moodleoverflow_get_reputation_instance($moodleoverflowid, $userid = null) {
         global $DB, $USER;
 
         // Get the user id.
@@ -574,7 +574,7 @@ private static function moodleoverflow_get_reputation_instance($moodleoverflowid
      *
      * @return int
      */
-    private static function moodleoverflow_get_reputation_course($courseid, $userid = null) {
+    public static function moodleoverflow_get_reputation_course($courseid, $userid = null) {
         global $USER, $DB;
 
         // Get the userid.

lang/en/moodleoverflow.php

@@ -205,8 +205,10 @@
 // Strings for the userstats feature.
 $string['userstatsupvotes'] = 'Received upvotes';
 $string['userstatsdownvotes'] = 'Received downvotes';
-$string['userstatsactivity'] = 'Amount of activity';
-$string['userstatsreputation'] = 'User reputation';
+$string['userstatsforumactivity'] = 'Activity (this forum)';
+$string['userstatsforumreputation'] = 'Reputation (this forum)';
+$string['userstatscourseactivity'] = 'Activity (coursewide)';
+$string['userstatscoursereputation'] = 'Reputation (coursewide)';
 $string['helpamountofactivity'] = 'Each activity like writing a post, starting a discussion or giving a rating gives 1 point';
 $string['showuserstats'] = 'Show cumulative user statistics';
 $string['configshowuserstats'] = 'Allow teachers in courses to see statistics summarizing the activity of users in Moodleoverflows.';

styles.css

@@ -529,7 +529,7 @@
 }
 
 
-.moodleoverflow-statistics-table .header.c3 .helpactivityclass {
+.moodleoverflow-statistics-table .header .helpactivityclass {
     padding: 0;
     margin-left: 8px;
 }

tests/privacy_provider_test.php

@@ -39,6 +39,7 @@
  * @group mod_moodleoverflow
  * @group mod_moodleoverflow_privacy
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @covers \provider
  */
 class privacy_provider_test extends \core_privacy\tests\provider_testcase {
     /**

tests/readtracking_test.php

@@ -36,6 +36,7 @@
  * @package   mod_moodleoverflow
  * @copyright 2017 Kennet Winter <[email protected]>
  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @covers \readtracking
  */
 class readtracking_test extends advanced_testcase {
 

tests/subscriptions_test.php

@@ -36,6 +36,7 @@
  * @package   mod_moodleoverflow
  * @copyright 2017 Kennet Winter <[email protected]>
  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @covers \subscriptions
  */
 class subscriptions_test extends advanced_testcase {
 

tests/userstats_test.php

@@ -36,6 +36,8 @@
  * @package mod_moodleoverflow
  * @copyright 2023 Tamaro Walter
  * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ *
+ * @covers \userstats_table
  */
 class userstats_test extends \advanced_testcase {
 
@@ -107,11 +109,7 @@ public function test_upvote() {
 
         // Create the user statistics table for this course and save it in $data.
         $data = $this->create_statstable();
-        foreach ($data as $student) {
-            if ($student->id == $this->user2->id) {
-                $upvotes = $student->receivedupvotes;
-            }
-        }
+        $upvotes = $this->get_specific_userstats($data, $this->user2, 'receivedupvotes');
         $this->assertEquals(1, $upvotes);
     }
 
@@ -125,11 +123,7 @@ public function test_downvote() {
 
         // Create the user statistics table for this course and save it in $data.
         $data = $this->create_statstable();
-        foreach ($data as $student) {
-            if ($student->id == $this->user1->id) {
-                $downvotes = $student->receiveddownvotes;
-            }
-        }
+        $downvotes = $this->get_specific_userstats($data, $this->user1, 'receiveddownvotes');
         $this->assertEquals(1, $downvotes);
     }
 
@@ -146,11 +140,7 @@ public function test_activity() {
         // Activity = 5.
         // Create the user statistics table for this course and save it in $data.
         $data = $this->create_statstable();
-        foreach ($data as $student) {
-            if ($student->id == $this->user1->id) {
-                $activity = $student->activity;
-            }
-        }
+        $activity = $this->get_specific_userstats($data, $this->user1, 'forumactivity');
         $this->assertEquals(5, $activity);
 
     }
@@ -165,18 +155,115 @@ public function test_reputation() {
         $this->create_downvote($this->user1, $this->discussion2[1], $this->post2);
         $this->create_solution($this->teacher, $this->discussion1[1], $this->answer1);
 
-        // Calculate the reputation of user2.
-        $reputation = \mod_moodleoverflow\ratings::moodleoverflow_get_reputation($this->moodleoverflow->id, $this->user2->id);
+        // Calculate the forum reputation of user2.
+        $reputation = \mod_moodleoverflow\ratings::moodleoverflow_get_reputation_instance($this->moodleoverflow->id,
+                                                                                          $this->user2->id);
         // Create the user statistics table for this course and save it in $data.
         $data = $this->create_statstable();
-        foreach ($data as $student) {
-            if ($student->id == $this->user2->id) {
-                $reputation2 = $student->reputation;
-            }
-        }
+        $reputation2 = $this->get_specific_userstats($data, $this->user2, 'forumreputation');
         $this->assertEquals($reputation, $reputation2);
     }
 
+    /**
+     * Test, if userstats are calculated correctly if the moodleoverflow is partially anonymous.
+     * @covers \userstats_table
+     */
+    public function test_partial_anonymous() {
+        global $DB;
+        // Test case: Only topic startes are anonymous.
+        $this->make_anonymous(1);
+
+        // Get the current userstats to compare later.
+        $olduserstats = $this->create_statstable();
+        $oldupvotesuser1 = $this->get_specific_userstats($olduserstats, $this->user1, 'receivedupvotes');
+        $oldactivityuser1 = $this->get_specific_userstats($olduserstats, $this->user1, 'forumactivity');
+
+        $oldupvotesuser2 = $this->get_specific_userstats($olduserstats, $this->user2, 'receivedupvotes');
+        $oldactivityuser2 = $this->get_specific_userstats($olduserstats, $this->user2, 'forumactivity');
+
+        // User1 starts a new discussion, the forum activity shouldn't change.
+        $discussion = $this->generator->post_to_forum($this->moodleoverflow, $this->user1);
+        $starterpost = $DB->get_record('moodleoverflow_posts', array('id' => $discussion[0]->firstpost), '*');
+        $newuserstats = $this->create_statstable();
+        $newactivityuser1 = $this->get_specific_userstats($newuserstats, $this->user1, 'forumactivity');
+        $this->assertEquals($oldactivityuser1, $newactivityuser1);
+
+        // User2 now gives an answer to user1, his activity should change.
+        $answeruser2 = $this->generator->reply_to_post($discussion[1], $this->user2, true);
+        $newuserstats = $this->create_statstable();
+        $newactivityuser2 = $this->get_specific_userstats($newuserstats, $this->user2, 'forumactivity');
+        $this->assertEquals($oldactivityuser2 + 1, $newactivityuser2);
+        $oldactivityuser2 = $newactivityuser2;  // Update it for further comparisons.
+
+        // User1 rates the answer from user2 as helpful an gives it an upvote.
+        // The activity of user1 should only change when he gives an upvote.
+        // The received upvotes from user2 should change.
+        $this->create_helpful($this->user1, $discussion[1], $answeruser2);
+        $newuserstats = $this->create_statstable();
+        $newactivityuser1 = $this->get_specific_userstats($newuserstats, $this->user1, 'forumactivity');
+        $this->assertEquals($oldactivityuser1, $newactivityuser1);
+
+        $this->create_upvote($this->user1, $discussion[1], $answeruser2);
+        $newuserstats = $this->create_statstable();
+        $newactivityuser1 = $this->get_specific_userstats($newuserstats, $this->user1, 'forumactivity');
+        $newupvotesuser2 = $this->get_specific_userstats($newuserstats, $this->user2, 'receivedupvotes');
+        $this->assertEquals($oldactivityuser1 + 1, $newactivityuser1);
+        $this->assertEquals($oldupvotesuser2 + 1, $newupvotesuser2);
+
+        // User2 gives the discussion starter post an upvote.
+        // Activity of User2 should change, the receivedupvotes from user1 shouln't change.
+        $this->create_upvote($this->user2, $discussion[1], $starterpost);
+        $newuserstats = $this->create_statstable();
+        $newactivityuser2 = $this->get_specific_userstats($newuserstats, $this->user2, 'forumactivity');
+        $newupvotesuser1 = $this->get_specific_userstats($newuserstats, $this->user1, 'receivedupvotes');
+        $this->assertEquals($oldactivityuser2 + 1, $newactivityuser2);
+        $this->assertEquals($oldupvotesuser1, $newupvotesuser1);
+    }
+
+    /**
+     * Test, if userstats are calculated correctly if the moodleoverflow is partially anonymous.
+     * @covers \userstats_table
+     */
+    public function test_total_anonymous() {
+        // Test case: Only topic startes are anonymous.
+        $this->make_anonymous(2);
+
+        // Get the current userstats to compare later.
+        $olduserstats = $this->create_statstable();
+        $oldupvotesuser1 = $this->get_specific_userstats($olduserstats, $this->user1, 'receivedupvotes');
+        $oldactivityuser1 = $this->get_specific_userstats($olduserstats, $this->user1, 'forumactivity');
+
+        $oldupvotesuser2 = $this->get_specific_userstats($olduserstats, $this->user2, 'receivedupvotes');
+        $oldactivityuser2 = $this->get_specific_userstats($olduserstats, $this->user2, 'forumactivity');
+
+        // User1 starts a new discussion, the forum activity shouldn't change.
+        $discussion = $this->generator->post_to_forum($this->moodleoverflow, $this->user1);
+        $newuserstats = $this->create_statstable();
+        $newactivityuser1 = $this->get_specific_userstats($newuserstats, $this->user1, 'forumactivity');
+        $this->assertEquals($oldactivityuser1, $newactivityuser1);
+
+        // User2 now gives an answer to user1, his activity shouldn't change.
+        $answeruser2 = $this->generator->reply_to_post($discussion[1], $this->user2, true);
+        $newuserstats = $this->create_statstable();
+        $newactivityuser2 = $this->get_specific_userstats($newuserstats, $this->user2, 'forumactivity');
+        $this->assertEquals($oldactivityuser2, $newactivityuser2);
+
+        // User1 rates the answer from user2 as helpful an gives it an upvote.
+        // The activity of user1 should only change when he gives an upvote.
+        // User2 received upvotes should not change.
+        $this->create_helpful($this->user1, $discussion[1], $answeruser2);
+        $newuserstats = $this->create_statstable();
+        $newactivityuser1 = $this->get_specific_userstats($newuserstats, $this->user1, 'forumactivity');
+        $this->assertEquals($oldactivityuser1, $newactivityuser1);
+
+        $this->create_upvote($this->user1, $discussion[1], $answeruser2);
+        $newuserstats = $this->create_statstable();
+        $newactivityuser1 = $this->get_specific_userstats($newuserstats, $this->user1, 'forumactivity');
+        $newupvotesuser2 = $this->get_specific_userstats($newuserstats, $this->user2, 'receivedupvotes');
+        $this->assertEquals($oldactivityuser1 + 1, $newactivityuser1);
+        $this->assertEquals($oldupvotesuser2, $newupvotesuser2);
+    }
+
     // Helper functions.
 
     /**
@@ -212,6 +299,23 @@ private function helper_course_set_up() {
         $this->answer2 = $this->generator->reply_to_post($this->discussion2[1], $this->user1, true);
     }
 
+    /**
+     * Makes the existing moodleoverflow anonymous.
+     * There are 2 types of anonymous moodleoverflows:
+     * anonymous = 1, the topic starter is anonymous
+     * anonymous = 2, all users are anonym
+     *
+     * @param int $anonymoussetting
+     */
+    private function make_anonymous($anonymoussetting) {
+        global $DB;
+        if ($anonymoussetting == 1 || $anonymoussetting == 2) {
+            $this->moodleoverflow->anonymous = $anonymoussetting;
+            $DB->update_record('moodleoverflow', $this->moodleoverflow);
+        } else {
+            throw new \Exception('invalid parameter, anonymoussetting should be 1 or 2');
+        }
+    }
 
     /**
      * Create a usertable and return it.
@@ -284,7 +388,7 @@ private function create_helpful($author, $discussion, $post) {
             'discussionid' => $discussion->id,
             'userid' => $author->id,
             'postid' => $post->id,
-            'rating' => 3,
+            'rating' => 4,
             'firstrated' => time(),
             'lastchanged' => time()
         ];
@@ -306,10 +410,42 @@ private function create_solution($author, $discussion, $post) {
             'discussionid' => $discussion->id,
             'userid' => $author->id,
             'postid' => $post->id,
-            'rating' => 4,
+            'rating' => 3,
             'firstrated' => time(),
             'lastchanged' => time()
         ];
         return $this->generator->create_rating($record);
     }
+
+    /**
+     * Return a specific value from the userstatstable.
+     *
+     * @param array     $statstable
+     * @param object    $user
+     * @param string    $stats          // A key that specifies which value should be returned.
+     */
+    private function get_specific_userstats($statstable, $user, $stats) {
+        foreach ($statstable as $student) {
+            if ($student->id == $user->id) {
+                switch ($stats) {
+                    case 'receivedupvotes':
+                        $result = $student->receivedupvotes;
+                        break;
+                    case 'receiveddownvotes':
+                        $result = $student->receiveddownvotes;
+                        break;
+                    case 'forumactivity':
+                        $result = $student->forumactivity;
+                        break;
+                    case 'forumreputation':
+                        $result = $student->forumreputation;
+                        break;
+                    default:
+                        throw new \Exception('parameter unknown');
+                        break;
+                }
+            }
+        }
+        return $result;
+    }
 }