MDL-40063 mod_quiz: replaced 'continue attempt' add_to_log call with an event

mod/quiz/attempt.php

@@ -95,9 +95,18 @@ if ($autosaveperiod) {
 }
 
 // Log this page view.
-add_to_log($attemptobj->get_courseid(), 'quiz', 'continue attempt',
-        'review.php?attempt=' . $attemptobj->get_attemptid(),
-        $attemptobj->get_quizid(), $attemptobj->get_cmid());
+$params = array(
+    'objectid' => $attemptid,
+    'relateduserid' => $attemptobj->get_userid(),
+    'courseid' => $attemptobj->get_courseid(),
+    'context' => context_module::instance($attemptobj->get_cmid()),
+    'other' => array(
+        'quizid' => $attemptobj->get_quizid()
+    )
+);
+$event = \mod_quiz\event\attempt_viewed::create($params);
+$event->add_record_snapshot('quiz_attempts', $attemptobj->get_attempt());
+$event->trigger();
 
 // Get the list of questions needed by this page.
 $slots = $attemptobj->get_slots($page);

mod/quiz/classes/event/attempt_viewed.php

@@ -0,0 +1,101 @@
+<?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/>.
+
+/**
+ * Attempt viewed event class.
+ *
+ * @property-read array $other {
+ *      Extra information about event.
+ *
+ *      - int quizid: the id of the quiz.
+ * }
+ *
+ * @package    mod_quiz
+ * @since      Moodle 2.7
+ * @copyright  2014 Mark Nelson <markn@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+namespace mod_quiz\event;
+
+defined('MOODLE_INTERNAL') || die();
+
+class attempt_viewed extends \core\event\base {
+
+    /**
+     * Init method.
+     */
+    protected function init() {
+        $this->data['objecttable'] = 'quiz_attempts';
+        $this->data['crud'] = 'r';
+        $this->data['edulevel'] = self::LEVEL_PARTICIPATING;
+    }
+
+    /**
+     * Returns localised general event name.
+     *
+     * @return string
+     */
+    public static function get_name() {
+        return get_string('eventattemptviewed', 'mod_quiz');
+    }
+
+    /**
+     * Returns description of what happened.
+     *
+     * @return string
+     */
+    public function get_description() {
+        return 'A quiz attempt with the id of ' . $this->objectid . ' belonging to the quiz with the id ' . $this->other['quizid'] .
+            ' was viewed by the user with the id ' . $this->relateduserid;
+    }
+
+    /**
+     * Returns relevant URL.
+     *
+     * @return \moodle_url
+     */
+    public function get_url() {
+        return new \moodle_url('/mod/quiz/review.php', array('attempt' => $this->objectid));
+    }
+
+    /**
+     * Return the legacy event log data.
+     *
+     * @return array
+     */
+    protected function get_legacy_logdata() {
+        return array($this->courseid, 'quiz', 'continue attempt', 'review.php?attempt=' . $this->objectid,
+            $this->other['quizid'], $this->contextinstanceid);
+    }
+
+    /**
+     * Custom validation.
+     *
+     * @throws \coding_exception
+     * @return void
+     */
+    protected function validate_data() {
+        parent::validate_data();
+
+        if (!isset($this->relateduserid)) {
+            throw new \coding_exception('The \'relateduserid\' must be set.');
+        }
+
+        if (!isset($this->other['quizid'])) {
+            throw new \coding_exception('The \'quizid\' must be set in other.');
+        }
+    }
+}

mod/quiz/lang/en/quiz.php

@@ -308,6 +308,7 @@ $string['essayquestions'] = 'Questions';
 $string['eventattemptdeleted'] = 'Quiz attempt deleted';
 $string['eventattemptreviewed'] = 'Quiz attempt reviewed';
 $string['eventattemptsummaryviewed'] = 'Quiz attempt summary viewed';
+$string['eventattemptviewed'] = 'Quiz attempt viewed';
 $string['eventeditpageviewed'] = 'Quiz edit page viewed';
 $string['eventoverridedeleted'] = 'Quiz override deleted';
 $string['eventoverrideupdated'] = 'Quiz override updated';

mod/quiz/tests/events_test.php

@@ -531,4 +531,42 @@ class mod_quiz_events_testcase extends advanced_testcase {
         $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
+
+    /**
+     * Test the attempt viewed event.
+     *
+     * There is no external API for continuing an attempt, so the unit test will simply
+     * create and trigger the event and ensure the event data is returned as expected.
+     */
+    public function test_attempt_viewed() {
+        $this->resetAfterTest();
+
+        $this->setAdminUser();
+        $course = $this->getDataGenerator()->create_course();
+        $quiz = $this->getDataGenerator()->create_module('quiz', array('course' => $course->id));
+
+        $params = array(
+            'objectid' => 1,
+            'relateduserid' => 2,
+            'courseid' => $course->id,
+            'context' => context_module::instance($quiz->cmid),
+            'other' => array(
+                'quizid' => $quiz->id
+            )
+        );
+        $event = \mod_quiz\event\attempt_viewed::create($params);
+
+        // Trigger and capture the event.
+        $sink = $this->redirectEvents();
+        $event->trigger();
+        $events = $sink->get_events();
+        $event = reset($events);
+
+        // Check that the event data is valid.
+        $this->assertInstanceOf('\mod_quiz\event\attempt_viewed', $event);
+        $this->assertEquals(context_module::instance($quiz->cmid), $event->get_context());
+        $expected = array($course->id, 'quiz', 'continue attempt', 'review.php?attempt=1', $quiz->id, $quiz->cmid);
+        $this->assertEventLegacyLogData($expected, $event);
+        $this->assertEventContextNotUsed($event);
+    }
 }