From 65a53d9ce98dc51e1e35b50ac13947d87261e30d Mon Sep 17 00:00:00 2001
From: dimonwebb <dimonweb@ya.ru>
Date: Fri, 26 Nov 2021 15:05:20 +0300
Subject: [PATCH] Moodle assing notifications.

---
 comment/lib.php               | 30 +++++++++++++++++++
 mod/assign/lang/en/assign.php | 20 +++++++++++++
 mod/assign/locallib.php       | 56 ++++++++++++++++++++++++++++++++++-
 3 files changed, 105 insertions(+), 1 deletion(-)

diff --git a/comment/lib.php b/comment/lib.php
index 59536cf7775..e855304f018 100644
--- a/comment/lib.php
+++ b/comment/lib.php
@@ -683,6 +683,34 @@ class comment {
         return $str;
     }
 
+    /**
+     * @param string $eventtype
+     * @param string $content
+     * @param stdClass $user
+     */
+    public function notify($eventtype, $content = null, $user = null)
+    {
+        global $DB, $CFG, $USER;
+
+        if (!$user) {
+            $user = $USER;
+        }
+
+        if ($eventtype == 'add' && $this->component == 'assignsubmission_comments') {
+            require_once($CFG->dirroot . '/mod/assign/locallib.php');
+            $course = get_course($this->courseid);
+            $context = context::instance_by_id($this->contextid, IGNORE_MISSING);
+            $info = get_fast_modinfo($course);
+            $cm = $info->get_cm($context->instanceid);
+            $submission = $DB->get_record('assign_submission', array('id' => $this->itemid));
+            $assign = new assign($context, $cm, $course);
+            return $assign->notify_about_comments($submission, $content, $user);
+        }
+
+        // TODO: other comment types?
+
+    }
+
     /**
      * Add a new comment
      *
@@ -707,6 +735,8 @@ class comment {
         $newcmt->userid       = $USER->id;
         $newcmt->timecreated  = $now;
 
+        $this->notify('add', $content, $USER);
+
         // This callback allow module to modify the content of comment, such as filter or replacement
         plugin_callback($this->plugintype, $this->pluginname, 'comment', 'add', array(&$newcmt, $this->comment_param));
 
diff --git a/mod/assign/lang/en/assign.php b/mod/assign/lang/en/assign.php
index 857efe5eb07..8960216843e 100755
--- a/mod/assign/lang/en/assign.php
+++ b/mod/assign/lang/en/assign.php
@@ -204,6 +204,26 @@ $string['fixrescalednullgrades'] = 'This assignment contains some erroneous grad
 $string['fixrescalednullgradesconfirm'] = 'Are you sure you want to fix erroneous grades? All affected grades will be removed. This may affect course totals.';
 $string['fixrescalednullgradesdone'] = 'Grades fixed.';
 $string['gradecanbechanged'] = 'Grade can be changed';
+$string['studentcommentupdatedtext'] = '{$a->username} has created a comment
+for assignment \'{$a->assignment}\' at {$a->timeupdated}
+
+It is available here:
+
+    {$a->url}';
+$string['studentcommentupdatedhtml'] = '{$a->username} has created a comment
+for assignment <i>\'{$a->assignment}\'  at {$a->timeupdated}</i><br /><br />
+It is <a href="{$a->url}">available on the web site</a>.';
+$string['studentcommentupdatedsmall'] = '{$a->username} has created a comment for assignment {$a->assignment}.';
+$string['gradercommentupdatedtext'] = '{$a->username} has created a comment
+for assignment \'{$a->assignment}\' at {$a->timeupdated}
+
+It is available here:
+
+    {$a->url}';
+$string['gradercommentupdatedhtml'] = '{$a->username} has created a comment
+for assignment <i>\'{$a->assignment}\'  at {$a->timeupdated}</i><br /><br />
+It is <a href="{$a->url}">available on the web site</a>.';
+$string['gradercommentupdatedsmall'] = '{$a->username} has created a comment for assignment {$a->assignment}.';
 $string['gradersubmissionupdatedtext'] = '{$a->username} has updated their assignment submission
 for \'{$a->assignment}\' at {$a->timeupdated}
 
diff --git a/mod/assign/locallib.php b/mod/assign/locallib.php
index 6b317f851b2..c31124d3b7c 100755
--- a/mod/assign/locallib.php
+++ b/mod/assign/locallib.php
@@ -6054,7 +6054,7 @@ class assign {
             $userfrom->lastname = $uniqueidforuser;
             $userfrom->email = $CFG->noreplyaddress;
         } else {
-            $info->username = fullname($userfrom, true);
+            $info->username = fullname($userfrom);
         }
         $info->assignment = format_string($assignmentname, true, array('context'=>$context));
         $info->url = $CFG->wwwroot.'/mod/assign/view.php?id='.$coursemodule->id;
@@ -6221,6 +6221,60 @@ class assign {
         }
     }
 
+    /**
+     * Notify teacher and students about comments
+     *
+     * @param stdClass $submission
+     * @param string $content
+     * @param stdClass $user
+     */
+    public function notify_about_comments($submission, $content = null, $user = null)
+    {
+        global $DB, $USER;
+
+        if (!$user) {
+            $user = $USER;
+        }
+
+        $instance = $this->get_instance();
+
+        if ($submission->userid == $user->id) {
+
+            // Notify teachers
+
+            $late = $instance->duedate && ($instance->duedate < time());
+
+            if (!$instance->sendnotifications && !($late && $instance->sendlatenotifications)) {
+                // No need to do anything.
+                return;
+            }
+
+            if ($notifyusers = $this->get_notifiable_users($user->id)) {
+                foreach ($notifyusers as $notifyuser) {
+                    $this->send_notification($user,
+                        $notifyuser,
+                        'gradercommentupdated',
+                        'assign_notification',
+                        time());
+                }
+            }
+
+        } else {
+
+            // Notify student
+
+            $notifyuser = $DB->get_record('user', array('id'=>$submission->userid), '*', MUST_EXIST);
+
+            $this->send_notification($user,
+                $notifyuser,
+                'studentcommentupdated',
+                'assign_notification',
+                time());
+
+        }
+
+    }
+
     /**
      * Submit a submission for grading.
      *
-- 
2.30.1 (Apple Git-130)