Send notifications (via Moodle notifications processors)

amd/src/custom.js

@@ -98,14 +98,17 @@ define(['jquery'], function($) {
                                             i === 'enabled' ||
                                             i === 'global' ||
                                             i === 'dismissible' ||
-                                            i === 'aicon'
+                                            i === 'aicon' ||
+                                            i === 'sendnotifications'
                                         ) && data[i] == 1) {
                                         affectelement.prop('checked', true);
                                     } else if (
                                         (i === 'enabled' ||
                                             i === 'global' ||
                                             i === 'dismissible' ||
-                                            i === 'aicon') && data[i] == 0) {
+                                            i === 'aicon' ||
+                                            i === 'sendnotifications'
+                                        ) && data[i] == 0) {
                                         affectelement.prop('checked', false);
                                     } else {
                                         affectelement.val(data[i]);
@@ -240,6 +243,11 @@ define(['jquery'], function($) {
                     reloadPreview();
                 });
 
+                $('#add_notification_sendnotifications').on('change', function() {
+                    // Checking specifically whether ticked/checked or not to ensure it's displayed correctly (not toggling).
+                    reloadPreview();
+                });
+
                 // Check if preview is displaying correct (Update it).
                 var reloadPreview = function() {
                     // Update title.
@@ -392,4 +400,4 @@ define(['jquery'], function($) {
             });
         }
     };
-});
+});

classes/task/sendnotifications.php

@@ -0,0 +1,84 @@
+<?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/>.
+
+/**
+ * Ad hoc task to send notifications.
+ *
+ * @package    block_advnotifications
+ * @copyright  2021 Daniel Neis Araujo <daniel@adapta.online>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace block_advnotifications\task;
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * Ad hoc task to send notifications class.
+ *
+ * @package    block_advnotifications
+ * @copyright  2021 Daniel Neis Araujo <daniel@adapta.online>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class sendnotifications extends \core\task\adhoc_task {
+
+    /**
+     * Return the task's name as shown in admin screens.
+     *
+     * @return string
+     */
+    public function get_name() {
+        return get_string('sendnotificationstask', 'block-advnotifications');
+    }
+
+    public function execute() {
+        global $DB;
+
+        if (!get_config('block_advnotifications', 'enable')) {
+            return;
+        }
+
+        $from = \core_user::get_noreply_user();
+
+        $notification = $DB->get_record('block_advnotifications', ['id' => $this->get_custom_data()->notificationid]);
+
+        if (!$notification->enabled) {
+            return;
+        }
+
+        $bcontext = \context_block::instance($notification->blockid);
+        if ($ccontext = $bcontext->get_course_context(false)) {
+            $users = get_enrolled_users($ccontext, '', 0 , 'u.id');
+        } else {
+            $users = $DB->get_records('user', ['deleted' => 0, 'suspended' => 0], '', 'id');
+        }
+
+        foreach ($users as $u) {
+            $eventdata = new \core\message\message();
+            $eventdata->component         = 'block_advnotifications';
+            $eventdata->name              = 'sendadvnotifications';
+            $eventdata->userfrom          = $from;
+            $eventdata->userto            = $u->id;
+            $eventdata->subject           = $notification->title;
+            $eventdata->fullmessage       = format_text($notification->message, FORMAT_MOODLE);
+            $eventdata->fullmessageformat = FORMAT_MOODLE;
+            $eventdata->fullmessagehtml   = format_text($notification->message, FORMAT_MOODLE);
+            $eventdata->smallmessage      = '';
+            $eventdata->notification      = true;
+            message_send($eventdata);
+        }
+    }
+}

db/install.xml

@@ -1,5 +1,8 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<XMLDB xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" PATH="blocks/advnotifications/db" VERSION="20160704" COMMENT="XMLDB file for Moodle blocks/advnotifications" xsi:noNamespaceSchemaLocation="../../../lib/xmldb/xmldb.xsd">
+<XMLDB PATH="blocks/advnotifications/db" VERSION="20210920" COMMENT="XMLDB file for Moodle blocks/advnotifications"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="../../../lib/xmldb/xmldb.xsd"
+>
   <TABLES>
     <TABLE NAME="block_advnotifications" COMMENT="A record of all advanced notifications">
       <FIELDS>
@@ -8,6 +11,7 @@
         <FIELD NAME="message" TYPE="text" NOTNULL="false" SEQUENCE="false" COMMENT="To be used as notification's message"/>
         <FIELD NAME="type" TYPE="char" LENGTH="30" NOTNULL="true" DEFAULT="info" SEQUENCE="false" COMMENT="What type of notification to be displayed"/>
         <FIELD NAME="aicon" TYPE="int" LENGTH="1" NOTNULL="true" SEQUENCE="false" COMMENT="Toggle whether an icon should be displayed or not"/>
+        <FIELD NAME="sendnotifications" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
         <FIELD NAME="enabled" TYPE="int" LENGTH="1" NOTNULL="true" SEQUENCE="false" COMMENT="Toggle whether notification is enabled/displayed or not"/>
         <FIELD NAME="global" TYPE="int" LENGTH="1" NOTNULL="true" SEQUENCE="false" COMMENT="Toggles whether notification is a global or instance-based"/>
         <FIELD NAME="blockid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false" COMMENT="Toggles whether notification is a global or instance-based"/>
@@ -37,4 +41,4 @@
       </KEYS>
     </TABLE>
   </TABLES>
-</XMLDB>
+</XMLDB>