first commit

mod/choice/classes/event/answer_created.php

@@ -0,0 +1,154 @@
+<?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_choice answer created event.
+ *
+ * @package    mod_choice
+ * @copyright  2016 Marina Glancy
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace mod_choice\event;
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * The mod_choice answer created event class.
+ *
+ * @property-read array $other {
+ *      Extra information about event.
+ *
+ *      - int choiceid: id of choice.
+ *      - int optionid: id of the option.
+ * }
+ *
+ * @package    mod_choice
+ * @since      Moodle 3.2
+ * @copyright  2016 Marina Glancy
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class answer_created extends \core\event\base {
+
+    /**
+     * Creates an instance of the event from the records
+     *
+     * @param stdClass $choiceanswer record from 'choice_answers' table
+     * @param stdClass $choice record from 'choice' table
+     * @param stdClass $cm record from 'course_modules' table
+     * @param stdClass $course
+     * @return self
+     */
+    public static function create_from_object($choiceanswer, $choice, $cm, $course) {
+        global $USER;
+        $eventdata = array();
+        $eventdata['objectid'] = $choiceanswer->id;
+        $eventdata['context'] = \context_module::instance($cm->id);
+        $eventdata['userid'] = $USER->id;
+        $eventdata['courseid'] = $course->id;
+        $eventdata['relateduserid'] = $choiceanswer->userid;
+        $eventdata['other'] = array();
+        $eventdata['other']['choiceid'] = $choice->id;
+        $eventdata['other']['optionid'] = $choiceanswer->optionid;
+        $event = self::create($eventdata);
+        $event->add_record_snapshot('course', $course);
+        $event->add_record_snapshot('course_modules', $cm);
+        $event->add_record_snapshot('choice', $choice);
+        $event->add_record_snapshot('choice_answers', $choiceanswer);
+        return $event;
+    }
+
+    /**
+     * Returns description of what happened.
+     *
+     * @return string
+     */
+    public function get_description() {
+        return "The user with id '$this->userid' has added the option with id '" . $this->other['optionid'] . "' for the
+            user with id '$this->relateduserid' from the choice activity with course module id '$this->contextinstanceid'.";
+    }
+
+    /**
+     * Return localised event name.
+     *
+     * @return string
+     */
+    public static function get_name() {
+        return get_string('eventanswercreated', 'mod_choice');
+    }
+
+    /**
+     * Get URL related to the action
+     *
+     * @return \moodle_url
+     */
+    public function get_url() {
+        return new \moodle_url('/mod/choice/view.php', array('id' => $this->contextinstanceid));
+    }
+
+    /**
+     * Init method.
+     *
+     * @return void
+     */
+    protected function init() {
+        $this->data['objecttable'] = 'choice_answers';
+        $this->data['crud'] = 'c';
+        $this->data['edulevel'] = self::LEVEL_PARTICIPATING;
+    }
+
+    /**
+     * Custom validation.
+     *
+     * @throws \coding_exception
+     * @return void
+     */
+    protected function validate_data() {
+        parent::validate_data();
+
+        if (!isset($this->other['choiceid'])) {
+            throw new \coding_exception('The \'choiceid\' value must be set in other.');
+        }
+
+        if (!isset($this->other['optionid'])) {
+            throw new \coding_exception('The \'optionid\' value must be set in other.');
+        }
+    }
+
+    /**
+     * This is used when restoring course logs where it is required that we
+     * map the objectid to it's new value in the new course.
+     *
+     * @return string the name of the restore mapping the objectid links to
+     */
+    public static function get_objectid_mapping() {
+        return array('db' => 'choice_answers', 'restore' => 'answer');
+    }
+
+    /**
+     * This is used when restoring course logs where it is required that we
+     * map the information in 'other' to it's new value in the new course.
+     *
+     * @return array an array of other values and their corresponding mapping
+     */
+    public static function get_other_mapping() {
+        $othermapped = array();
+        $othermapped['choiceid'] = array('db' => 'choice', 'restore' => 'choice');
+        $othermapped['optionid'] = array('db' => 'choice_options', 'restore' => 'choice_option');
+
+        return $othermapped;
+    }
+}

mod/choice/classes/event/answer_deleted.php

@@ -0,0 +1,142 @@
+<?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_choice answer deleted event.
+ *
+ * @package    mod_choice
+ * @copyright  2016 Stephen Bourget
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace mod_choice\event;
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * The mod_choice answer deleted event class.
+ *
+ * @property-read array $other {
+ *      Extra information about event.
+ *
+ *      - int choiceid: id of choice.
+ *      - int optionid: id of the option.
+ * }
+ *
+ * @package    mod_choice
+ * @since      Moodle 3.1
+ * @copyright  2016 Stephen Bourget
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class answer_deleted extends \core\event\base {
+
+    /**
+     * Creates an instance of the event from the records
+     *
+     * @param stdClass $choiceanswer record from 'choice_answers' table
+     * @param stdClass $choice record from 'choice' table
+     * @param stdClass $cm record from 'course_modules' table
+     * @param stdClass $course
+     * @return self
+     */
+    public static function create_from_object($choiceanswer, $choice, $cm, $course) {
+        global $USER;
+        $eventdata = array();
+        $eventdata['objectid'] = $choiceanswer->id;
+        $eventdata['context'] = \context_module::instance($cm->id);
+        $eventdata['userid'] = $USER->id;
+        $eventdata['courseid'] = $course->id;
+        $eventdata['relateduserid'] = $choiceanswer->userid;
+        $eventdata['other'] = array();
+        $eventdata['other']['choiceid'] = $choice->id;
+        $eventdata['other']['optionid'] = $choiceanswer->optionid;
+        $event = self::create($eventdata);
+        $event->add_record_snapshot('course', $course);
+        $event->add_record_snapshot('course_modules', $cm);
+        $event->add_record_snapshot('choice', $choice);
+        $event->add_record_snapshot('choice_answers', $choiceanswer);
+        return $event;
+    }
+
+    /**
+     * Returns description of what happened.
+     *
+     * @return string
+     */
+    public function get_description() {
+        return "The user with id '$this->userid' has deleted the option with id '" . $this->other['optionid'] . "' for the
+            user with id '$this->relateduserid' from the choice activity with course module id '$this->contextinstanceid'.";
+    }
+
+    /**
+     * Return localised event name.
+     *
+     * @return string
+     */
+    public static function get_name() {
+        return get_string('eventanswerdeleted', 'mod_choice');
+    }
+
+    /**
+     * Get URL related to the action
+     *
+     * @return \moodle_url
+     */
+    public function get_url() {
+        return new \moodle_url('/mod/choice/view.php', array('id' => $this->contextinstanceid));
+    }
+
+    /**
+     * Init method.
+     *
+     * @return void
+     */
+    protected function init() {
+        $this->data['objecttable'] = 'choice_answers';
+        $this->data['crud'] = 'd';
+        $this->data['edulevel'] = self::LEVEL_PARTICIPATING;
+    }
+
+    /**
+     * Custom validation.
+     *
+     * @throws \coding_exception
+     * @return void
+     */
+    protected function validate_data() {
+        parent::validate_data();
+
+        if (!isset($this->other['choiceid'])) {
+            throw new \coding_exception('The \'choiceid\' value must be set in other.');
+        }
+
+        if (!isset($this->other['optionid'])) {
+            throw new \coding_exception('The \'optionid\' value must be set in other.');
+        }
+    }
+
+    public static function get_objectid_mapping() {
+        return array('db' => 'choice_answers', 'restore' => \core\event\base::NOT_MAPPED);
+    }
+
+    public static function get_other_mapping() {
+        $othermapped = array();
+        $othermapped['choiceid'] = array('db' => 'choice', 'restore' => 'choice');
+        $othermapped['optionid'] = array('db' => 'choice_options', 'restore' => 'choice_option');
+
+        return $othermapped;
+    }
+}

mod/choice/classes/event/answer_submitted.php

@@ -0,0 +1,136 @@
+<?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_choice answer submitted event.
+ *
+ * @package    mod_choice
+ * @copyright  2013 Adrian Greeve <adrian@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace mod_choice\event;
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * The mod_choice answer submitted event class.
+ *
+ * This event is deprecated in Moodle 3.2, it can no longer be triggered, do not
+ * write event observers for it. This event can only be initiated during
+ * restore from previous Moodle versions and appear in the logs.
+ *
+ * Event observers should listen to mod_choice\event\answer_created instead that
+ * will be triggered once for each option selected
+ *
+ * @property-read array $other {
+ *      Extra information about event.
+ *
+ *      - int choiceid: id of choice.
+ *      - int optionid: (optional) id of option.
+ * }
+ *
+ * @deprecated since 3.2
+ * @package    mod_choice
+ * @since      Moodle 2.6
+ * @copyright  2013 Adrian Greeve <adrian@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class answer_submitted extends \core\event\base {
+
+    /**
+     * Returns description of what happened.
+     *
+     * @return string
+     */
+    public function get_description() {
+        return "The user with id '$this->userid' made the choice with id '$this->objectid' in the choice activity
+            with course module id '$this->contextinstanceid'.";
+    }
+
+    /**
+     * Return localised event name.
+     *
+     * @return string
+     */
+    public static function get_name() {
+        return get_string('eventanswersubmitted', 'mod_choice');
+    }
+
+    /**
+     * Get URL related to the action
+     *
+     * @return \moodle_url
+     */
+    public function get_url() {
+        return new \moodle_url('/mod/choice/view.php', array('id' => $this->contextinstanceid));
+    }
+
+    /**
+     * Init method.
+     *
+     * @return void
+     */
+    protected function init() {
+        // The objecttable here is wrong. We are submitting an answer, not a choice activity.
+        // This also makes the description misleading as it states we made a choice with id
+        // '$this->objectid' which just refers to the 'choice' table. The trigger for
+        // this event should be triggered after we insert to the 'choice_answers' table.
+        $this->data['crud'] = 'c';
+        $this->data['edulevel'] = self::LEVEL_PARTICIPATING;
+        $this->data['objecttable'] = 'choice';
+    }
+
+    /**
+     * Custom validation.
+     *
+     * @throws \coding_exception
+     * @return void
+     */
+    protected function validate_data() {
+        parent::validate_data();
+
+        debugging('Event \\mod_choice\event\\answer_submitted should not be used '
+                . 'any more for triggering new events and can only be initiated during restore. '
+                . 'For new events please use \\mod_choice\\event\\answer_created', DEBUG_DEVELOPER);
+
+        if (!isset($this->other['choiceid'])) {
+            throw new \coding_exception('The \'choiceid\' value must be set in other.');
+        }
+    }
+
+    public static function get_objectid_mapping() {
+        return array('db' => 'choice', 'restore' => 'choice');
+    }
+
+    public static function get_other_mapping() {
+        $othermapped = array();
+        $othermapped['choiceid'] = array('db' => 'choice', 'restore' => 'choice');
+
+        // The 'optionid' is being passed as an array, so we can't map it. The event is
+        // triggered each time a choice is answered, where it may be possible to select
+        // multiple choices, so the value is converted to an array, which is then passed
+        // to the event. Ideally this event should be triggered every time we insert to the
+        // 'choice_answers' table so this will only be an int.
+        $othermapped['optionid'] = \core\event\base::NOT_MAPPED;
+
+        return $othermapped;
+    }
+
+    public static function is_deprecated() {
+        return true;
+    }
+}

mod/choice/classes/event/answer_updated.php

@@ -0,0 +1,138 @@
+<?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_choice answer updated event.
+ *
+ * @package    mod_choice
+ * @copyright  2013 Adrian Greeve <adrian@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace mod_choice\event;
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * The mod_choice answer updated event class.
+ *
+ * This event is deprecated in Moodle 3.2, it can no longer be triggered, do not
+ * write event observers for it. This event can only be initiated during
+ * restore from previous Moodle versions and appear in the logs.
+ *
+ * Event observers should listen to mod_choice\event\answer_created and
+ * mod_choice\event\answer_deleted instead, these events will be triggered for
+ * each option that was user has selected or unselected
+ *
+ * @property-read array $other {
+ *      Extra information about event.
+ *
+ *      - int choiceid: id of choice.
+ *      - int optionid: (optional) id of option.
+ * }
+ *
+ * @deprecated since 3.2
+ * @package    mod_choice
+ * @since      Moodle 2.6
+ * @copyright  2013 Adrian Greeve <adrian@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class answer_updated extends \core\event\base {
+
+    /**
+     * Returns description of what happened.
+     *
+     * @return string
+     */
+    public function get_description() {
+        return "The user with id '$this->userid' updated their choice with id '$this->objectid' in the choice activity
+            with course module id '$this->contextinstanceid'.";
+    }
+
+    /**
+     * Return localised event name.
+     *
+     * @return string
+     */
+    public static function get_name() {
+        return get_string('eventanswerupdated', 'mod_choice');
+    }
+
+    /**
+     * Get URL related to the action
+     *
+     * @return \moodle_url
+     */
+    public function get_url() {
+        return new \moodle_url('/mod/choice/view.php', array('id' => $this->contextinstanceid));
+    }
+
+    /**
+     * Init method.
+     *
+     * @return void
+     */
+    protected function init() {
+        // The objecttable here is wrong. We are updating an answer, not a choice activity.
+        // This also makes the description misleading as it states we made a choice with id
+        // '$this->objectid' which just refers to the 'choice' table. The trigger for
+        // this event should be triggered after we update the 'choice_answers' table.
+        $this->data['crud'] = 'u';
+        $this->data['edulevel'] = self::LEVEL_PARTICIPATING;
+        $this->data['objecttable'] = 'choice';
+    }
+
+    /**
+     * Custom validation.
+     *
+     * @throws \coding_exception
+     * @return void
+     */
+    protected function validate_data() {
+        parent::validate_data();
+
+        debugging('Event \\mod_choice\event\\answer_updated should not be used '
+                . 'any more for triggering new events and can only be initiated during restore. '
+                . 'For new events please use \\mod_choice\\event\\answer_created '
+                . 'and  \\mod_choice\\event\\answer_deleted', DEBUG_DEVELOPER);
+
+        if (!isset($this->other['choiceid'])) {
+            throw new \coding_exception('The \'choiceid\' value must be set in other.');
+        }
+    }
+
+    public static function get_objectid_mapping() {
+        return array('db' => 'choice', 'restore' => 'choice');
+    }
+
+    public static function get_other_mapping() {
+        $othermapped = array();
+        $othermapped['choiceid'] = array('db' => 'choice', 'restore' => 'choice');
+
+        // The 'optionid' is being passed as an array, so we can't map it. The event is
+        // triggered each time a choice is answered, where it may be possible to select
+        // multiple choices, so the value is converted to an array, which is then passed
+        // to the event. Ideally this event should be triggered every time we update the
+        // 'choice_answers' table so this will only be an int.
+        $othermapped['optionid'] = \core\event\base::NOT_MAPPED;
+
+        return $othermapped;
+    }
+
+    public static function is_deprecated() {
+        return true;
+    }
+}

mod/choice/classes/event/course_module_instance_list_viewed.php

@@ -0,0 +1,38 @@
+<?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_choice instance list viewed event.
+ *
+ * @package    mod_choice
+ * @copyright  2013 Ankit Agarwal
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace mod_choice\event;
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * The mod_choice instance list viewed event class.
+ *
+ * @package    mod_choice
+ * @since      Moodle 2.7
+ * @copyright  2013 onwards Ankit Agarwal
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class course_module_instance_list_viewed extends \core\event\course_module_instance_list_viewed {
+}
+

mod/choice/classes/event/course_module_viewed.php

@@ -0,0 +1,50 @@
+<?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_choice course module viewed event.
+ *
+ * @package mod_choice
+ * @copyright 2013 Adrian Greeve <adrian@moodle.com>
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace mod_choice\event;
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * The mod_choice course module viewed event class.
+ *
+ * @package    mod_choice
+ * @since      Moodle 2.6
+ * @copyright  2013 Adrian Greeve
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class course_module_viewed extends \core\event\course_module_viewed {
+
+    /**
+     * Init method.
+     */
+    protected function init() {
+        $this->data['crud'] = 'r';
+        $this->data['edulevel'] = self::LEVEL_PARTICIPATING;
+        $this->data['objecttable'] = 'choice';
+    }
+
+    public static function get_objectid_mapping() {
+        return array('db' => 'choice', 'restore' => 'choice');
+    }
+}

mod/choice/classes/event/report_downloaded.php

@@ -0,0 +1,114 @@
+<?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_choice report viewed event.
+ *
+ * @package mod_choice
+ * @copyright 2016 Stephen Bourget
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace mod_choice\event;
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * The mod_choice report viewed event class.
+ *
+ * @property-read array $other {
+ *      Extra information about the event.
+ *
+ *      - string content: The content we are viewing.
+ *      - string format: The report format
+ *      - int choiced: The id of the choice
+ * }
+ *
+ * @package    mod_choice
+ * @since      Moodle 3.1
+ * @copyright  2016 Stephen Bourget
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class report_downloaded extends \core\event\base {
+
+    /**
+     * Init method.
+     */
+    protected function init() {
+        $this->data['crud'] = 'r';
+        $this->data['edulevel'] = self::LEVEL_TEACHING;
+    }
+
+    /**
+     * Returns localised general event name.
+     *
+     * @return string
+     */
+    public static function get_name() {
+        return get_string('eventreportdownloaded', 'mod_choice');
+    }
+
+    /**
+     * Returns description of what happened.
+     *
+     * @return string
+     */
+    public function get_description() {
+        return "The user with id '$this->userid' has downloaded the report in the '".$this->other['format']."' format for
+            the choice activity with course module id '$this->contextinstanceid'";
+    }
+
+    /**
+     * Returns relevant URL.
+     * @return \moodle_url
+     */
+    public function get_url() {
+        return new \moodle_url('/mod/choice/report.php', array('id' => $this->contextinstanceid));
+    }
+
+    /**
+     * Custom validation.
+     *
+     * @throws \coding_exception
+     * @return void
+     */
+    protected function validate_data() {
+        parent::validate_data();
+
+        // Report format downloaded.
+        if (!isset($this->other['content'])) {
+            throw new \coding_exception('The \'content\' value must be set in other.');
+        }
+        // Report format downloaded.
+        if (!isset($this->other['format'])) {
+            throw new \coding_exception('The \'format\' value must be set in other.');
+        }
+        // ID of the choice activity.
+        if (!isset($this->other['choiceid'])) {
+            throw new \coding_exception('The \'choiceid\' value must be set in other.');
+        }
+    }
+
+    public static function get_objectid_mapping() {
+        return false;
+    }
+
+    public static function get_other_mapping() {
+        $othermapped = array();
+        $othermapped['choiceid'] = array('db' => 'choice', 'restore' => 'choice');
+
+        return $othermapped;
+    }
+}

mod/choice/classes/event/report_viewed.php

@@ -0,0 +1,88 @@
+<?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_choice report viewed event.
+ *
+ * @package mod_choice
+ * @copyright 2013 Adrian Greeve <adrian@moodle.com>
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace mod_choice\event;
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * The mod_choice report viewed event class.
+ *
+ * @property-read array $other {
+ *      Extra information about the event.
+ *
+ *      - string content: (optional) The content we are viewing.
+ * }
+ *
+ * @package    mod_choice
+ * @since      Moodle 2.6
+ * @copyright  2013 Adrian Greeve
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class report_viewed extends \core\event\base {
+
+    /**
+     * Init method.
+     */
+    protected function init() {
+        $this->data['crud'] = 'r';
+        $this->data['edulevel'] = self::LEVEL_TEACHING;
+        $this->data['objecttable'] = 'choice';
+    }
+
+    /**
+     * Returns localised general event name.
+     *
+     * @return string
+     */
+    public static function get_name() {
+        return get_string('eventreportviewed', 'mod_choice');
+    }
+
+    /**
+     * Returns description of what happened.
+     *
+     * @return string
+     */
+    public function get_description() {
+        return "The user with id '$this->userid' has viewed the report for the choice activity with course module id
+            '$this->contextinstanceid'";
+    }
+
+    /**
+     * Returns relevant URL.
+     * @return \moodle_url
+     */
+    public function get_url() {
+        return new \moodle_url('/mod/choice/report.php', array('id' => $this->contextinstanceid));
+    }
+
+    public static function get_objectid_mapping() {
+        return array('db' => 'choice', 'restore' => 'choice');
+    }
+
+    public static function get_other_mapping() {
+        // No need to map the 'content' value.
+        return false;
+    }
+}