MDL-40062 mod_forum: Add discussion_updated event

mod/forum/classes/event/discussion_updated.php

@@ -0,0 +1,99 @@
+<?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/>.
+
+/**
+ * The mod_forum discussion updated event.
+ *
+ * @package    mod_forum
+ * @copyright  2014 Dan Poltawski <dan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace mod_forum\event;
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * The mod_forum discussion updated event.
+ *
+ * @property-read array $other Extra information about the event.
+ *     -int forumid: The id of the forum the discussion is in
+ *
+ * @package    mod_forum
+ * @copyright  2014 Dan Poltawski <dan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class discussion_updated extends \core\event\base {
+    /**
+     * Init method.
+     *
+     * @return void
+     */
+    protected function init() {
+        $this->data['crud'] = 'u';
+        $this->data['edulevel'] = self::LEVEL_OTHER;
+        $this->data['objecttable'] = 'forum_discussions';
+    }
+
+    /**
+     * Returns description of what happened.
+     *
+     * @return string
+     */
+    public function get_description() {
+        return "The user {$this->userid} has updated the discussion {$this->objectid}.";
+    }
+
+    /**
+     * Return localised event name.
+     *
+     * @return string
+     */
+    public static function get_name() {
+        return get_string('eventdiscussionupdated', 'mod_forum');
+    }
+
+    /**
+     * Get URL related to the action
+     *
+     * @return \moodle_url
+     */
+    public function get_url() {
+        return new \moodle_url('/mod/forum/discuss.php', array('d' => $this->objectid));
+    }
+
+
+    /**
+     * Custom validation.
+     *
+     * @throws \coding_exception
+     * @return void
+     */
+    protected function validate_data() {
+        parent::validate_data();
+        if (!isset($this->other['forumid'])) {
+            throw new \coding_exception('forumid must be set in $other.');
+        }
+
+        if ($this->contextlevel != CONTEXT_MODULE) {
+            throw new \coding_exception('Context passed must be module context.');
+        }
+
+        if (!isset($this->objectid)) {
+            throw new \coding_exception('objectid must be set to the discussionid.');
+        }
+    }
+}

mod/forum/lang/en/forum.php

@@ -146,6 +146,7 @@ $string['editedpostupdated'] = '{$a}\'s post was updated';
 $string['editing'] = 'Editing';
 $string['eventcoursesearched'] = 'Course searched';
 $string['eventdiscussioncreated'] = 'Discussion created';
+$string['eventdiscussionupdated'] = 'Discussion updated';
 $string['eventdiscussiondeleted'] = 'Discussion deleted';
 $string['eventdiscussionmoved'] = 'Discussion moved';
 $string['eventdiscussionviewed'] = 'Discussion viewed';

mod/forum/post.php

@@ -481,6 +481,16 @@ if (!empty($forum)) {      // User is starting a new discussion in a forum
         forum_discussion_update_last_post($newid);
 
         // Fire events to reflect the split..
+        $params = array(
+            'context' => $modcontext,
+            'objectid' => $discussion->id,
+            'other' => array(
+                'forumid' => $forum->id,
+            )
+        );
+        $event = \mod_forum\event\discussion_updated::create($params);
+        $event->trigger();
+
         $params = array(
             'context' => $modcontext,
             'objectid' => $newid,

mod/forum/tests/events_test.php

@@ -201,6 +201,98 @@ class mod_forum_events_testcase extends advanced_testcase {
         $this->assertNotEmpty($event->get_name());
     }
 
+    /**
+     * Ensure discussion_updated event validates that forumid is set.
+     */
+    public function test_discussion_updated_forumid_validation() {
+        $course = $this->getDataGenerator()->create_course();
+        $forum = $this->getDataGenerator()->create_module('forum', array('course' => $course->id));
+        $context = context_module::instance($forum->cmid);
+
+        $params = array(
+            'context' => $context,
+        );
+
+        $this->setExpectedException('coding_exception', 'forumid must be set in $other.');
+        \mod_forum\event\discussion_updated::create($params);
+    }
+
+    /**
+     * Ensure discussion_updated event validates that discussionid is set.
+     */
+    public function test_discussion_updated_objectid_validation() {
+        $course = $this->getDataGenerator()->create_course();
+        $forum = $this->getDataGenerator()->create_module('forum', array('course' => $course->id));
+        $context = context_module::instance($forum->cmid);
+
+        $params = array(
+            'context' => $context,
+            'other' => array('forumid' => $forum->id)
+        );
+
+        $this->setExpectedException('coding_exception', 'objectid must be set to the discussionid.');
+        \mod_forum\event\discussion_updated::create($params);
+    }
+
+    /**
+     * Ensure discussion_created event validates that the context is the correct level.
+     */
+    public function test_discussion_updated_context_validation() {
+        $course = $this->getDataGenerator()->create_course();
+        $forum = $this->getDataGenerator()->create_module('forum', array('course' => $course->id));
+
+        $params = array(
+            'context' => context_system::instance(),
+            'other' => array('forumid' => $forum->id),
+        );
+
+        $this->setExpectedException('coding_exception', 'Context passed must be module context.');
+        \mod_forum\event\discussion_updated::create($params);
+    }
+
+    /**
+     * Test discussion_created event.
+     */
+    public function test_discussion_updated() {
+
+        // Setup test data.
+        $course = $this->getDataGenerator()->create_course();
+        $forum = $this->getDataGenerator()->create_module('forum', array('course' => $course->id));
+        $user = $this->getDataGenerator()->create_user();
+
+        // Add a discussion.
+        $record = array();
+        $record['course'] = $course->id;
+        $record['forum'] = $forum->id;
+        $record['userid'] = $user->id;
+        $discussion = $this->getDataGenerator()->get_plugin_generator('mod_forum')->create_discussion($record);
+
+        $context = context_module::instance($forum->cmid);
+
+        $params = array(
+            'context' => $context,
+            'objectid' => $discussion->id,
+            'other' => array('forumid' => $forum->id),
+        );
+
+        // Create the event.
+        $event = \mod_forum\event\discussion_updated::create($params);
+
+        // Trigger and capturing the event.
+        $sink = $this->redirectEvents();
+        $event->trigger();
+        $events = $sink->get_events();
+        $this->assertCount(1, $events);
+        $event = reset($events);
+
+        // Check that the event contains the expected values.
+        $this->assertInstanceOf('\mod_forum\event\discussion_updated', $event);
+        $this->assertEquals($context, $event->get_context());
+        $this->assertEventContextNotUsed($event);
+
+        $this->assertNotEmpty($event->get_name());
+    }
+
     /**
      * Ensure discussion_deleted event validates that forumid is set.
      */