From 1f0132716e8d9cc0e2c427fae0184d4cde4086cc Mon Sep 17 00:00:00 2001
From: Adrian Greeve <adrian@moodle.com>
Date: Fri, 24 Jan 2014 09:59:40 +0800
Subject: [PATCH] MDL-40921 mod_workshop: New events to replace add_to_log
 function calls.

---
 mod/workshop/aggregate.php                    |  1 -
 mod/workshop/assessment.php                   | 23 ++++-
 .../classes/event/assessable_uploaded.php     |  2 +-
 .../classes/event/assessment_evaluated.php    | 83 ++++++++++++++++
 .../event/assessment_evaluations_reset.php    | 86 +++++++++++++++++
 .../classes/event/assessment_reevaluated.php  | 93 ++++++++++++++++++
 .../classes/event/assessments_reset.php       | 86 +++++++++++++++++
 .../classes/event/instances_list_viewed.php   | 75 +++++++++++++++
 mod/workshop/classes/event/phase_switched.php | 92 ++++++++++++++++++
 .../classes/event/submission_assessed.php     | 93 ++++++++++++++++++
 .../classes/event/submission_created.php      | 91 ++++++++++++++++++
 .../classes/event/submission_reassessed.php   | 94 +++++++++++++++++++
 .../classes/event/submission_updated.php      | 91 ++++++++++++++++++
 .../classes/event/submission_viewed.php       | 91 ++++++++++++++++++
 mod/workshop/exassessment.php                 | 13 ---
 mod/workshop/exsubmission.php                 |  4 -
 mod/workshop/index.php                        |  6 +-
 mod/workshop/lang/en/workshop.php             | 14 ++-
 mod/workshop/lib.php                          | 13 ++-
 mod/workshop/locallib.php                     | 22 ++++-
 mod/workshop/submission.php                   | 43 ++++++---
 mod/workshop/toolbox.php                      | 12 ++-
 mod/workshop/view.php                         |  4 +-
 23 files changed, 1089 insertions(+), 43 deletions(-)
 create mode 100644 mod/workshop/classes/event/assessment_evaluated.php
 create mode 100644 mod/workshop/classes/event/assessment_evaluations_reset.php
 create mode 100644 mod/workshop/classes/event/assessment_reevaluated.php
 create mode 100644 mod/workshop/classes/event/assessments_reset.php
 create mode 100644 mod/workshop/classes/event/instances_list_viewed.php
 create mode 100644 mod/workshop/classes/event/phase_switched.php
 create mode 100644 mod/workshop/classes/event/submission_assessed.php
 create mode 100644 mod/workshop/classes/event/submission_created.php
 create mode 100644 mod/workshop/classes/event/submission_reassessed.php
 create mode 100644 mod/workshop/classes/event/submission_updated.php
 create mode 100644 mod/workshop/classes/event/submission_viewed.php

diff --git a/mod/workshop/aggregate.php b/mod/workshop/aggregate.php
index ee8fb9b35ef..5bd49baaafd 100644
--- a/mod/workshop/aggregate.php
+++ b/mod/workshop/aggregate.php
@@ -53,7 +53,6 @@ if ($settingsdata = $settingsform->get_data()) {
     $workshop->aggregate_submission_grades();           // updates 'grade' in {workshop_submissions}
     $evaluator->update_grading_grades($settingsdata);   // updates 'gradinggrade' in {workshop_assessments}
     $workshop->aggregate_grading_grades();              // updates 'gradinggrade' in {workshop_aggregations}
-    $workshop->log('update aggregate grades');
 }
 
 redirect(new moodle_url($workshop->view_url(), compact('page', 'sortby', 'sorthow')));
diff --git a/mod/workshop/assessment.php b/mod/workshop/assessment.php
index d120d12b29f..b40f2c2d8a6 100644
--- a/mod/workshop/assessment.php
+++ b/mod/workshop/assessment.php
@@ -161,11 +161,6 @@ if (is_null($assessment->grade) and !$assessmenteditable) {
     if ($mform->is_cancelled()) {
         redirect($workshop->view_url());
     } elseif ($assessmenteditable and ($data = $mform->get_data())) {
-        if (is_null($assessment->grade)) {
-            $workshop->log('add assessment', $workshop->assess_url($assessment->id), $assessment->submissionid);
-        } else {
-            $workshop->log('update assessment', $workshop->assess_url($assessment->id), $assessment->submissionid);
-        }
 
         // Let the grading strategy subplugin save its data.
         $rawgrade = $strategy->save_assessment($assessment, $data);
@@ -194,6 +189,24 @@ if (is_null($assessment->grade) and !$assessmenteditable) {
         // Update the assessment data if there is something other than just the 'id'.
         if (count((array)$coredata) > 1 ) {
             $DB->update_record('workshop_assessments', $coredata);
+            $params = array(
+                'objectid' => $assessment->id,
+                'context' => $workshop->context,
+                'other' => array(
+                    'workshopid' => $workshop->id,
+                    'submissionid' => $assessment->submissionid
+                )
+            );
+
+            if (is_null($assessment->grade)) {
+                // All workshop_assessments are created when allocations are made. The create event is of more use located here.
+                $event = \mod_workshop\event\submission_assessed::create($params);
+                $event->trigger();
+            } else {
+                $params['other']['grade'] = $assessment->grade;
+                $event = \mod_workshop\event\submission_reassessed::create($params);
+                $event->trigger();
+            }
         }
 
         // And finally redirect the user's browser.
diff --git a/mod/workshop/classes/event/assessable_uploaded.php b/mod/workshop/classes/event/assessable_uploaded.php
index 591fb6c5b8f..38de4388960 100644
--- a/mod/workshop/classes/event/assessable_uploaded.php
+++ b/mod/workshop/classes/event/assessable_uploaded.php
@@ -101,7 +101,7 @@ class assessable_uploaded extends \core\event\assessable_uploaded {
      * @return string
      */
     public static function get_name() {
-        return get_string('event_assessable_uploaded', 'mod_workshop');
+        return get_string('eventassessableuploaded', 'mod_workshop');
     }
 
     /**
diff --git a/mod/workshop/classes/event/assessment_evaluated.php b/mod/workshop/classes/event/assessment_evaluated.php
new file mode 100644
index 00000000000..9341cbd7617
--- /dev/null
+++ b/mod/workshop/classes/event/assessment_evaluated.php
@@ -0,0 +1,83 @@
+<?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/>.
+
+/**
+ * mod_workshop assessment evaluated event.
+ *
+ * @package    mod_workshop
+ * @category   event
+ * @copyright  2013 Adrian Greeve
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace mod_workshop\event;
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * mod_workshop assessment evaluated event class.
+ *
+ * @property-read array $other {
+ *     Extra information about the event.
+ *
+ *     @type string currentgrade current saved grade.
+ *     @type string finalgrade final grade.
+ * }
+ *
+ * @package    mod_workshop
+ * @category   event
+ * @copyright  2013 Adrian Greeve
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class assessment_evaluated extends \core\event\base {
+
+    /**
+     * Init method.
+     *
+     * @return void
+     */
+    protected function init() {
+        $this->data['crud'] = 'c';
+        $this->data['edulevel'] = self::LEVEL_PARTICIPATING;
+        $this->data['objecttable'] = 'workshop_aggregations';
+    }
+
+    /**
+     * Returns description of what happened.
+     *
+     * @return string
+     */
+    public function get_description() {
+        return 'An assessment has been evaluated ' . $this->objectid . '.';
+    }
+
+    /**
+     * Return localised event name.
+     *
+     * @return string
+     */
+    public static function get_name() {
+        return get_string('eventassessmentevaluated', 'mod_workshop');
+    }
+
+    /**
+     * Get URL related to the action.
+     *
+     * @return \moodle_url
+     */
+    public function get_url() {
+        return new \moodle_url('/mod/workshop/view.php', array('id' => $this->contextinstanceid));
+    }
+}
diff --git a/mod/workshop/classes/event/assessment_evaluations_reset.php b/mod/workshop/classes/event/assessment_evaluations_reset.php
new file mode 100644
index 00000000000..fd45c3806fc
--- /dev/null
+++ b/mod/workshop/classes/event/assessment_evaluations_reset.php
@@ -0,0 +1,86 @@
+<?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/>.
+
+/**
+ * mod_workshop assessment_evaluations reset event.
+ *
+ * @package    mod_workshop
+ * @category   event
+ * @copyright  2013 Adrian Greeve
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace mod_workshop\event;
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * mod_workshop assessment_evaluations reset event class.
+ *
+ * @package    mod_workshop
+ * @category   event
+ * @copyright  2013 Adrian Greeve
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class assessment_evaluations_reset extends \core\event\base {
+
+    /**
+     * Init method.
+     *
+     * @return void
+     */
+    protected function init() {
+        $this->data['crud'] = 'u';
+        $this->data['edulevel'] = self::LEVEL_TEACHING;
+        $this->data['objecttable'] = 'workshop_aggregations';
+    }
+
+    /**
+     * Returns description of what happened.
+     *
+     * @return string
+     */
+    public function get_description() {
+        return 'The assessment evaluations have been reset ' . $this->objectid . '.';
+    }
+
+    /**
+     * Return the legacy event log data.
+     *
+     * @return array|null
+     */
+    protected function get_legacy_logdata() {
+        return array($this->courseid, 'workshop', 'update clear aggregated grade', 'view.php?id=' . $this->contextinstanceid,
+                $this->objectid, $this->contextinstanceid);
+    }
+
+    /**
+     * Return localised event name.
+     *
+     * @return string
+     */
+    public static function get_name() {
+        return get_string('eventassessmentevaluationsreset', 'mod_workshop');
+    }
+
+    /**
+     * Get URL related to the action.
+     *
+     * @return \moodle_url
+     */
+    public function get_url() {
+        return new \moodle_url('/mod/workshop/view.php', array('id' => $this->contextinstanceid));
+    }
+}
diff --git a/mod/workshop/classes/event/assessment_reevaluated.php b/mod/workshop/classes/event/assessment_reevaluated.php
new file mode 100644
index 00000000000..a3683ca171b
--- /dev/null
+++ b/mod/workshop/classes/event/assessment_reevaluated.php
@@ -0,0 +1,93 @@
+<?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/>.
+
+/**
+ * mod_workshop assessment_reevaluated event.
+ *
+ * @package    mod_workshop
+ * @category   event
+ * @copyright  2013 Adrian Greeve
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace mod_workshop\event;
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * mod_workshop assessment_reevaluated event class.
+ *
+ * @property-read array $other {
+ *     Extra information about the event.
+ *
+ *     @type float currentgrade current saved grade.
+ *     @type float finalgrade final grade.
+ * }
+ *
+ * @package    mod_workshop
+ * @category   event
+ * @copyright  2013 Adrian Greeve
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class assessment_reevaluated extends \core\event\base {
+
+    /**
+     * Init method.
+     *
+     * @return void
+     */
+    protected function init() {
+        $this->data['crud'] = 'u';
+        $this->data['edulevel'] = self::LEVEL_PARTICIPATING;
+        $this->data['objecttable'] = 'workshop_aggregations';
+    }
+
+    /**
+     * Returns description of what happened.
+     *
+     * @return string
+     */
+    public function get_description() {
+        return 'The assessment has been re-evaluated ' . $this->objectid . '.';
+    }
+
+    /**
+     * Return the legacy event log data.
+     *
+     * @return array|null
+     */
+    protected function get_legacy_logdata() {
+        return array($this->courseid, 'workshop', 'update aggregate grade', 'view.php?id=' . $this->contextinstanceid,
+                $this->objectid, $this->contextinstanceid);
+    }
+
+    /**
+     * Return localised event name.
+     *
+     * @return string
+     */
+    public static function get_name() {
+        return get_string('eventassessmentreevaluated', 'mod_workshop');
+    }
+
+    /**
+     * Get URL related to the action.
+     *
+     * @return \moodle_url
+     */
+    public function get_url() {
+        return new \moodle_url('/mod/workshop/view.php', array('id' => $this->contextinstanceid));
+    }
+}
diff --git a/mod/workshop/classes/event/assessments_reset.php b/mod/workshop/classes/event/assessments_reset.php
new file mode 100644
index 00000000000..e0cdbbcaecf
--- /dev/null
+++ b/mod/workshop/classes/event/assessments_reset.php
@@ -0,0 +1,86 @@
+<?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/>.
+
+/**
+ * mod_workshop submission assessments reset event.
+ *
+ * @package    mod_workshop
+ * @category   event
+ * @copyright  2013 Adrian Greeve
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace mod_workshop\event;
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * mod_workshop submission assessments reset event class.
+ *
+ * @package    mod_workshop
+ * @category   event
+ * @copyright  2013 Adrian Greeve
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class submission_assessments_reset extends \core\event\base {
+
+    /**
+     * Init method.
+     *
+     * @return void
+     */
+    protected function init() {
+        $this->data['crud'] = 'u';
+        $this->data['edulevel'] = self::LEVEL_TEACHING;
+        $this->data['objecttable'] = 'workshop_assessments';
+    }
+
+    /**
+     * Returns description of what happened.
+     *
+     * @return string
+     */
+    public function get_description() {
+        return 'The submission assessments of the workshop ' . $this->objectid . ' have been cleared.';
+    }
+
+    /**
+     * Return the legacy event log data.
+     *
+     * @return array|null
+     */
+    protected function get_legacy_logdata() {
+        return array($this->courseid, 'workshop', 'update clear assessments', 'view.php?id=' . $this->contextinstanceid,
+                $this->objectid, $this->contextinstanceid);
+    }
+
+    /**
+     * Return localised event name.
+     *
+     * @return string
+     */
+    public static function get_name() {
+        return get_string('eventsubmissionassessmentsreset', 'mod_workshop');
+    }
+
+    /**
+     * Get URL related to the action.
+     *
+     * @return \moodle_url
+     */
+    public function get_url() {
+        return new \moodle_url('/mod/workshop/view.php', array('id' => $this->contextinstanceid));
+    }
+}
diff --git a/mod/workshop/classes/event/instances_list_viewed.php b/mod/workshop/classes/event/instances_list_viewed.php
new file mode 100644
index 00000000000..d4a25579b41
--- /dev/null
+++ b/mod/workshop/classes/event/instances_list_viewed.php
@@ -0,0 +1,75 @@
+<?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/>.
+
+/**
+ * mod_workshop instances list viewed event.
+ *
+ * @package    mod_workshop
+ * @category   event
+ * @copyright  2013 Adrian Greeve
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace mod_workshop\event;
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * mod_workshop instances list viewed event class.
+ *
+ * @package    mod_workshop
+ * @category   event
+ * @copyright  2013 Adrian Greeve
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class instances_list_viewed extends \core\event\course_module_instance_list_viewed {
+
+    /**
+     * Returns description of what happened.
+     *
+     * @return string
+     */
+    public function get_description() {
+        return 'User ' . $this->userid . ' viewed the list of workshop activities in the course ' . $this->courseid . '.';
+    }
+
+    /**
+     * Return the legacy event log data.
+     *
+     * @return array|null
+     */
+    protected function get_legacy_logdata() {
+        return array($this->courseid, 'workshop', 'view all', 'index.php?id=' . $this->courseid, '');
+    }
+
+    /**
+     * Return localised event name.
+     *
+     * @return string
+     */
+    public static function get_name() {
+        return get_string('eventinstanceslistviewed', 'mod_workshop');
+    }
+
+    /**
+     * Get URL related to the action
+     *
+     * @return \moodle_url
+     */
+    public function get_url() {
+        return new \moodle_url('/mod/workshop/index.php', array('id' => $this->courseid));
+    }
+
+}
diff --git a/mod/workshop/classes/event/phase_switched.php b/mod/workshop/classes/event/phase_switched.php
new file mode 100644
index 00000000000..0f403a1c84a
--- /dev/null
+++ b/mod/workshop/classes/event/phase_switched.php
@@ -0,0 +1,92 @@
+<?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/>.
+
+/**
+ * mod_workshop phase switched event.
+ *
+ * @package    mod_workshop
+ * @category   event
+ * @copyright  2013 Adrian Greeve
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace mod_workshop\event;
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * mod_workshop phase switched event class.
+ *
+ * @property-read array $other {
+ *     Extra information about the event.
+ *
+ *     @type int workshopphase Workshop phase.
+ * }
+ *
+ * @package    mod_workshop
+ * @category   event
+ * @copyright  2013 Adrian Greeve
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class phase_switched extends \core\event\base {
+
+    /**
+     * Init method.
+     *
+     * @return void
+     */
+    protected function init() {
+        $this->data['crud'] = 'u';
+        $this->data['edulevel'] = self::LEVEL_TEACHING;
+        $this->data['objecttable'] = 'workshop';
+    }
+
+    /**
+     * Returns description of what happened.
+     *
+     * @return string
+     */
+    public function get_description() {
+        return 'The phase of the workshop ' . $this->objectid . ' has been switched to ' . $this->other['workshopphase']. '.';
+    }
+
+    /**
+     * Return the legacy event log data.
+     *
+     * @return array|null
+     */
+    protected function get_legacy_logdata() {
+        return array($this->courseid, 'workshop', 'update switch phase', 'view.php?id=' . $this->contextinstanceid,
+                $this->other['workshopphase'], $this->contextinstanceid);
+    }
+
+    /**
+     * Return localised event name.
+     *
+     * @return string
+     */
+    public static function get_name() {
+        return get_string('eventphaseswitched', 'mod_workshop');
+    }
+
+    /**
+     * Get URL related to the action.
+     *
+     * @return \moodle_url
+     */
+    public function get_url() {
+        return new \moodle_url('/mod/workshop/view.php', array('id' => $this->contextinstanceid));
+    }
+}
diff --git a/mod/workshop/classes/event/submission_assessed.php b/mod/workshop/classes/event/submission_assessed.php
new file mode 100644
index 00000000000..5964510f201
--- /dev/null
+++ b/mod/workshop/classes/event/submission_assessed.php
@@ -0,0 +1,93 @@
+<?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/>.
+
+/**
+ * mod_workshop submission_assessed event.
+ *
+ * @package    mod_workshop
+ * @category   event
+ * @copyright  2013 Adrian Greeve
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace mod_workshop\event;
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * mod_workshop submission_assessed event class.
+ *
+ * @property-read array $other {
+ *     Extra information about the event.
+ *
+ *     @type int workshopid Workshop ID.
+ *     @type int submissionid Submission ID.
+ * }
+ *
+ * @package    mod_workshop
+ * @category   event
+ * @copyright  2013 Adrian Greeve
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class submission_assessed extends \core\event\base {
+
+    /**
+     * Init method.
+     *
+     * @return void
+     */
+    protected function init() {
+        $this->data['crud'] = 'c';
+        $this->data['edulevel'] = self::LEVEL_PARTICIPATING;
+        $this->data['objecttable'] = 'workshop_assessments';
+    }
+
+    /**
+     * Returns description of what happened.
+     *
+     * @return string
+     */
+    public function get_description() {
+        return 'A submission has been assessed in the workshop ' . $this->other['workshopid'] . '.';
+    }
+
+    /**
+     * Return the legacy event log data.
+     *
+     * @return array|null
+     */
+    protected function get_legacy_logdata() {
+        return array($this->courseid, 'workshop', 'add assessment ', 'assessment.php?asid=' . $this->objectid,
+            $this->other['submissionid'], $this->contextinstanceid);
+    }
+
+    /**
+     * Return localised event name.
+     *
+     * @return string
+     */
+    public static function get_name() {
+        return get_string('eventsubmissionassessed', 'mod_workshop');
+    }
+
+    /**
+     * Get URL related to the action.
+     *
+     * @return \moodle_url
+     */
+    public function get_url() {
+        return new \moodle_url('/mod/workshop/assessment.php', array('asid' => $this->objectid));
+    }
+}
diff --git a/mod/workshop/classes/event/submission_created.php b/mod/workshop/classes/event/submission_created.php
new file mode 100644
index 00000000000..ac0a9e6e44f
--- /dev/null
+++ b/mod/workshop/classes/event/submission_created.php
@@ -0,0 +1,91 @@
+<?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/>.
+
+/**
+ * This file contains an event for when a workshop submission is created.
+ *
+ * @package    mod_workshop
+ * @category   event
+ * @copyright  2013 Adrian Greeve <adrian@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace mod_workshop\event;
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * Event for when a workshop submission is created.
+ *
+ * @property-read array $other {
+ *     Extra information about the event.
+ *
+ *     @type string submissiontitle Submission title.
+ * }
+ *
+ * @package    mod_workshop
+ * @category   event
+ * @copyright  2013 Adrian Greeve
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class submission_created extends \core\event\base {
+
+    /**
+     * Init method.
+     */
+    protected function init() {
+        $this->data['crud'] = 'c';
+        $this->data['edulevel'] = self::LEVEL_PARTICIPATING;
+        $this->data['objecttable'] = 'workshop_submissions';
+    }
+
+    /**
+     * Returns non-localised description of what happened.
+     *
+     * @return string
+     */
+    public function get_description() {
+        return 'A user with an id of ' . $this->userid . ' created a workshop submission with an id of ' . $this->objectid;
+    }
+
+    /**
+     * Returns localised general event name.
+     *
+     * @return string
+     */
+    public static function get_name() {
+        return get_string('eventsubmissioncreated', 'workshop');
+    }
+
+    /**
+     * Returns relevant URL.
+     * @return \moodle_url
+     */
+    public function get_url() {
+        return new \moodle_url('/mod/workshop/submission.php',
+                array('cmid' => $this->contextinstanceid, 'id' => $this->objectid));
+    }
+
+    /**
+     * replace add_to_log() statement.
+     *
+     * @return array of parameters to be passed to legacy add_to_log() function.
+     */
+    protected function get_legacy_logdata() {
+        return array($this->courseid, 'workshop', 'add submission',
+            'submission.php?cmid=' . $this->contextinstanceid . '&id=' . $this->objectid,
+            $this->objectid, $this->contextinstanceid);
+    }
+}
diff --git a/mod/workshop/classes/event/submission_reassessed.php b/mod/workshop/classes/event/submission_reassessed.php
new file mode 100644
index 00000000000..bdaf0a2ea53
--- /dev/null
+++ b/mod/workshop/classes/event/submission_reassessed.php
@@ -0,0 +1,94 @@
+<?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/>.
+
+/**
+ * mod_workshop submission_reassessed event.
+ *
+ * @package    mod_workshop
+ * @category   event
+ * @copyright  2013 Adrian Greeve
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace mod_workshop\event;
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * mod_workshop submission_reassessed event class.
+ *
+ * @property-read array $other {
+ *     Extra information about the event.
+ *
+ *     @type int workshopid Workshop ID.
+ *     @type int submissionid Submission ID.
+ *     @type float grade Assessment grade.
+ * }
+ *
+ * @package    mod_workshop
+ * @category   event
+ * @copyright  2013 Adrian Greeve
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class submission_reassessed extends \core\event\base {
+
+    /**
+     * Init method.
+     *
+     * @return void
+     */
+    protected function init() {
+        $this->data['crud'] = 'u';
+        $this->data['edulevel'] = self::LEVEL_PARTICIPATING;
+        $this->data['objecttable'] = 'workshop_assessment';
+    }
+
+    /**
+     * Returns description of what happened.
+     *
+     * @return string
+     */
+    public function get_description() {
+        return 'A submission was re-assessed in the workshop ' . $this->other['workshopid'] . '.';
+    }
+
+    /**
+     * Return the legacy event log data.
+     *
+     * @return array|null
+     */
+    protected function get_legacy_logdata() {
+        return array($this->courseid, 'workshop', 'update assessment', 'assessment.php?asid=' . $this->objectid,
+            $this->other['submissionid'], $this->contextinstanceid);
+    }
+
+    /**
+     * Return localised event name.
+     *
+     * @return string
+     */
+    public static function get_name() {
+        return get_string('eventsubmissionreassessed', 'mod_workshop');
+    }
+
+    /**
+     * Get URL related to the action.
+     *
+     * @return \moodle_url
+     */
+    public function get_url() {
+        return new \moodle_url('/mod/workshop/assessment.php?', array('asid' => $this->objectid));
+    }
+}
diff --git a/mod/workshop/classes/event/submission_updated.php b/mod/workshop/classes/event/submission_updated.php
new file mode 100644
index 00000000000..93946253f3f
--- /dev/null
+++ b/mod/workshop/classes/event/submission_updated.php
@@ -0,0 +1,91 @@
+<?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/>.
+
+/**
+ * This file contains an event for when a workshop submission is updated.
+ *
+ * @package    mod_workshop
+ * @category   event
+ * @copyright  2013 Adrian Greeve <adrian@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace mod_workshop\event;
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * Event for when a workshop submission is updated.
+ *
+ * @property-read array $other {
+ *     Extra information about the event.
+ *
+ *     @type string submissiontitle Submission title.
+ * }
+ *
+ * @package    mod_workshop
+ * @category   event
+ * @copyright  2013 Adrian Greeve
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class submission_updated extends \core\event\base {
+
+    /**
+     * Init method.
+     */
+    protected function init() {
+        $this->data['crud'] = 'u';
+        $this->data['edulevel'] = self::LEVEL_PARTICIPATING;
+        $this->data['objecttable'] = 'workshop_submissions';
+    }
+
+    /**
+     * Returns non-localised description of what happened.
+     *
+     * @return string
+     */
+    public function get_description() {
+        return 'A user with an id of ' . $this->userid . ' updated a workshop submission with an id of ' . $this->objectid;
+    }
+
+    /**
+     * Returns localised general event name.
+     *
+     * @return string
+     */
+    public static function get_name() {
+        return get_string('eventsubmissionupdated', 'workshop');
+    }
+
+    /**
+     * Returns relevant URL.
+     * @return \moodle_url
+     */
+    public function get_url() {
+        return new \moodle_url('/mod/workshop/submission.php',
+                array('cmid' => $this->contextinstanceid, 'id' => $this->objectid));
+    }
+
+    /**
+     * replace add_to_log() statement.
+     *
+     * @return array of parameters to be passed to legacy add_to_log() function.
+     */
+    protected function get_legacy_logdata() {
+        return array($this->courseid, 'workshop', 'update submission',
+            'submission.php?cmid=' . $this->contextinstanceid . '&id=' . $this->objectid,
+            $this->objectid, $this->contextinstanceid);
+    }
+}
diff --git a/mod/workshop/classes/event/submission_viewed.php b/mod/workshop/classes/event/submission_viewed.php
new file mode 100644
index 00000000000..3dcb92057f6
--- /dev/null
+++ b/mod/workshop/classes/event/submission_viewed.php
@@ -0,0 +1,91 @@
+<?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/>.
+
+/**
+ * This file contains an event for when a workshop submission is viewed.
+ *
+ * @package    mod_workshop
+ * @category   event
+ * @copyright  2013 Adrian Greeve <adrian@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace mod_workshop\event;
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * Event for when a workshop submission is viewed.
+ *
+ * @property-read array $other {
+ *     Extra information about the event.
+ *
+ *     @type int workshopid workshop ID.
+ * }
+ *
+ * @package    mod_workshop
+ * @category   event
+ * @copyright  2013 Adrian Greeve
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class submission_viewed extends \core\event\base {
+
+    /**
+     * Init method.
+     */
+    protected function init() {
+        $this->data['crud'] = 'r';
+        $this->data['edulevel'] = self::LEVEL_PARTICIPATING;
+        $this->data['objecttable'] = 'workshop_submissions';
+    }
+
+    /**
+     * Returns non-localised description of what happened.
+     *
+     * @return string
+     */
+    public function get_description() {
+        return 'A user with an id of ' . $this->userid . ' viewed a workshop submission with an id of ' . $this->objectid;
+    }
+
+    /**
+     * Returns localised general event name.
+     *
+     * @return string
+     */
+    public static function get_name() {
+        return get_string('eventsubmissionviewed', 'workshop');
+    }
+
+    /**
+     * Returns relevant URL.
+     * @return \moodle_url
+     */
+    public function get_url() {
+        return new \moodle_url('/mod/workshop/submission.php',
+                array('cmid' => $this->contextinstanceid, 'id' => $this->objectid));
+    }
+
+    /**
+     * replace add_to_log() statement.
+     *
+     * @return array of parameters to be passed to legacy add_to_log() function.
+     */
+    protected function get_legacy_logdata() {
+        return array($this->courseid, 'workshop', 'view submission',
+            'submission.php?cmid=' . $this->contextinstanceid . '&id=' . $this->objectid,
+            $this->objectid, $this->contextinstanceid);
+    }
+}
diff --git a/mod/workshop/exassessment.php b/mod/workshop/exassessment.php
index 4515de22041..3c6175654f0 100644
--- a/mod/workshop/exassessment.php
+++ b/mod/workshop/exassessment.php
@@ -87,19 +87,6 @@ $mform->set_data($currentdata);
 if ($mform->is_cancelled()) {
     redirect($workshop->view_url());
 } elseif ($assessmenteditable and ($data = $mform->get_data())) {
-    if ($canmanage) {
-        if (is_null($assessment->grade)) {
-            $workshop->log('add reference assessment', $workshop->exassess_url($assessment->id), $assessment->submissionid);
-        } else {
-            $workshop->log('update reference assessment', $workshop->exassess_url($assessment->id), $assessment->submissionid);
-        }
-    } else {
-        if (is_null($assessment->grade)) {
-            $workshop->log('add example assessment', $workshop->exassess_url($assessment->id), $assessment->submissionid);
-        } else {
-            $workshop->log('update example assessment', $workshop->exassess_url($assessment->id), $assessment->submissionid);
-        }
-    }
 
     // Let the grading strategy subplugin save its data.
     $rawgrade = $strategy->save_assessment($assessment, $data);
diff --git a/mod/workshop/exsubmission.php b/mod/workshop/exsubmission.php
index 3a29bdf3b03..40ae3b81819 100644
--- a/mod/workshop/exsubmission.php
+++ b/mod/workshop/exsubmission.php
@@ -57,8 +57,6 @@ $output = $PAGE->get_renderer('mod_workshop');
 
 if ($id) { // example is specified
     $example = $workshop->get_example_by_id($id);
-    $workshop->log('view example', $workshop->exsubmission_url($example->id), $example->id);
-
 } else { // no example specified - create new one
     require_capability('mod/workshop:manageexamples', $workshop->context);
     $example = new stdclass();
@@ -162,9 +160,7 @@ if ($edit and $canmanage) {
         $formdata->contenttrust       = 0;           // updated later
         if (is_null($example->id)) {
             $example->id = $formdata->id = $DB->insert_record('workshop_submissions', $formdata);
-            $workshop->log('add example', $workshop->exsubmission_url($example->id), $example->id);
         } else {
-            $workshop->log('update example', $workshop->exsubmission_url($example->id), $example->id);
             if (empty($formdata->id) or empty($example->id) or ($formdata->id != $example->id)) {
                 throw new moodle_exception('err_examplesubmissionid', 'workshop');
             }
diff --git a/mod/workshop/index.php b/mod/workshop/index.php
index 9fac4019a64..acf8590d70c 100644
--- a/mod/workshop/index.php
+++ b/mod/workshop/index.php
@@ -33,8 +33,6 @@ $course = $DB->get_record('course', array('id' => $id), '*', MUST_EXIST);
 
 require_course_login($course);
 
-add_to_log($course->id, 'workshop', 'view all', "index.php?id=$course->id", '');
-
 $PAGE->set_pagelayout('incourse');
 $PAGE->set_url('/mod/workshop/index.php', array('id' => $course->id));
 $PAGE->set_title($course->fullname);
@@ -45,6 +43,10 @@ $PAGE->navbar->add(get_string('modulenameplural', 'workshop'));
 
 echo $OUTPUT->header();
 
+$params = array('context' => context_course::instance($course->id));
+$event = \mod_workshop\event\instances_list_viewed::create($params);
+$event->trigger();
+
 /// Get all the appropriate data
 
 if (! $workshops = get_all_instances_in_course('workshop', $course)) {
diff --git a/mod/workshop/lang/en/workshop.php b/mod/workshop/lang/en/workshop.php
index 9c99b1e9296..3a0b55e1fc3 100644
--- a/mod/workshop/lang/en/workshop.php
+++ b/mod/workshop/lang/en/workshop.php
@@ -106,6 +106,18 @@ $string['evaluation'] = 'Grading evaluation';
 $string['evaluationmethod'] = 'Grading evaluation method';
 $string['evaluationmethod_help'] = 'The grading evaluation method determines how the grade for assessment is calculated. You can let it re-calculate grades repeatedly with different settings unless you are happy with the result.';
 $string['evaluationsettings'] = 'Grading evaluation settings';
+$string['eventassessmentevaluationsreset'] = 'Assessment evaluations reset';
+$string['eventassessableuploaded'] = 'Assessable uploaded';
+$string['eventassessmentevaluated'] = 'Assessment evaluated';
+$string['eventassessmentreevaluated'] = 'Assessment re-evaluated';
+$string['eventinstanceslistviewed'] = 'Workshop instance list viewed';
+$string['eventsubmissionassessed'] = 'Submission assessed';
+$string['eventsubmissionassessmentsreset'] = 'Submission assessments cleared';
+$string['eventsubmissioncreated'] = 'Submission created';
+$string['eventsubmissionreassessed'] = 'Submission re-assessed';
+$string['eventsubmissionupdated'] = 'Submission updated';
+$string['eventsubmissionviewed'] = 'Submission viewed';
+$string['eventphaseswitched'] = 'Phase switched';
 $string['event_assessable_uploaded'] = 'A submission has been uploaded.';
 $string['example'] = 'Example submission';
 $string['exampleadd'] = 'Add example submission';
@@ -235,8 +247,8 @@ $string['strategy_help'] = 'The grading strategy determines the assessment form
 * Rubric - A level assessment is given regarding specified criteria';
 $string['strategyhaschanged'] = 'The workshop grading strategy has changed since the form was opened for editing.';
 $string['submission'] = 'Submission';
-$string['submissionby'] = 'Submission by {$a}';
 $string['submissionattachment'] = 'Attachment';
+$string['submissionby'] = 'Submission by {$a}';
 $string['submissioncontent'] = 'Submission content';
 $string['submissionend'] = 'Submissions deadline';
 $string['submissionendbeforestart'] = 'Submissions deadline can not be specified before the open for submissions date';
diff --git a/mod/workshop/lib.php b/mod/workshop/lib.php
index 21bab06c09e..f8433a89626 100644
--- a/mod/workshop/lib.php
+++ b/mod/workshop/lib.php
@@ -938,7 +938,18 @@ function workshop_cron() {
             $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
             $workshop = new workshop($workshop, $cm, $course);
             $workshop->switch_phase(workshop::PHASE_ASSESSMENT);
-            $workshop->log('update switch phase', $workshop->view_url(), $workshop->phase);
+
+            $params = array(
+                'objectid' => $workshop->id,
+                'context' => $workshop->context,
+                'courseid' => $workshop->course->id,
+                'other' => array(
+                    'workshopphase' => $workshop->phase
+                )
+            );
+            $event = \mod_workshop\event\phase_switched::create($params);
+            $event->trigger();
+
             // disable the automatic switching now so that it is not executed again by accident
             // if the teacher changes the phase back to the submission one
             $DB->set_field('workshop', 'phaseswitchassessment', 0, array('id' => $workshop->id));
diff --git a/mod/workshop/locallib.php b/mod/workshop/locallib.php
index 1ed99e03a1a..018e696cba0 100644
--- a/mod/workshop/locallib.php
+++ b/mod/workshop/locallib.php
@@ -2451,8 +2451,22 @@ class workshop {
         if ($count > 0) {
             $finalgrade = grade_floatval($sumgrades / $count);
         }
+
+        // Event information.
+        $params = array(
+            'context' => $this->context,
+            'courseid' => $this->course->id,
+            'relateduserid' => $reviewerid
+        );
+
         // check if the new final grade differs from the one stored in the database
         if (grade_floats_different($finalgrade, $current)) {
+            $params['other'] = array(
+                'currentgrade' => $current,
+                'finalgrade' => $finalgrade
+            );
+
+
             // we need to save new calculation into the database
             if (is_null($agid)) {
                 // no aggregation record yet
@@ -2461,13 +2475,19 @@ class workshop {
                 $record->userid = $reviewerid;
                 $record->gradinggrade = $finalgrade;
                 $record->timegraded = $timegraded;
-                $DB->insert_record('workshop_aggregations', $record);
+                $record->id = $DB->insert_record('workshop_aggregations', $record);
+                $params['objectid'] = $record->id;
+                $event = \mod_workshop\event\assessment_evaluated::create($params);
+                $event->trigger();
             } else {
                 $record = new stdclass();
                 $record->id = $agid;
                 $record->gradinggrade = $finalgrade;
                 $record->timegraded = $timegraded;
                 $DB->update_record('workshop_aggregations', $record);
+                $params['objectid'] = $agid;
+                $event = \mod_workshop\event\assessment_reevaluated::create($params);
+                $event->trigger();
             }
         }
     }
diff --git a/mod/workshop/submission.php b/mod/workshop/submission.php
index 93b5ee386a8..47223a869cc 100644
--- a/mod/workshop/submission.php
+++ b/mod/workshop/submission.php
@@ -52,7 +52,19 @@ if ($edit) {
 
 if ($id) { // submission is specified
     $submission = $workshop->get_submission_by_id($id);
-    $workshop->log('view submission', $workshop->submission_url($submission->id), $submission->id);
+
+    $params = array(
+        'objectid' => $submission->id,
+        'context' => $workshop->context,
+        'courseid' => $workshop->course->id,
+        'relateduserid' => $submission->authorid,
+        'other' => array(
+            'workshopid' => $workshop->id
+        )
+    );
+
+    $event = \mod_workshop\event\submission_viewed::create($params);
+    $event->trigger();
 
 } else { // no submission specified
     if (!$submission = $workshop->get_submission_by_author($USER->id)) {
@@ -188,16 +200,27 @@ if ($edit) {
         if ($workshop->phase == workshop::PHASE_ASSESSMENT) {
             $formdata->late = $formdata->late | 0x2;
         }
+
+        // Event information.
+        $params = array(
+            'context' => $workshop->context,
+            'courseid' => $workshop->course->id,
+            'other' => array(
+                'submissiontitle' => $formdata->title
+            )
+        );
         $logdata = null;
         if (is_null($submission->id)) {
             $submission->id = $formdata->id = $DB->insert_record('workshop_submissions', $formdata);
-            $logdata = $workshop->log('add submission', $workshop->submission_url($submission->id), $submission->id, true);
+            $params['objectid'] = $submission->id;
+            $event = \mod_workshop\event\submission_created::create($params);
+            $event->trigger();
         } else {
-            $logdata = $workshop->log('update submission', $workshop->submission_url($submission->id), $submission->id, true);
             if (empty($formdata->id) or empty($submission->id) or ($formdata->id != $submission->id)) {
                 throw new moodle_exception('err_submissionid', 'workshop');
             }
         }
+        $params['objectid'] = $submission->id;
         // save and relink embedded images and save attachments
         $formdata = file_postupdate_standard_editor($formdata, 'content', $contentopts, $workshop->context,
                                                       'mod_workshop', 'submission_content', $submission->id);
@@ -209,19 +232,17 @@ if ($edit) {
         }
         // store the updated values or re-save the new submission (re-saving needed because URLs are now rewritten)
         $DB->update_record('workshop_submissions', $formdata);
+        $event = \mod_workshop\event\submission_updated::create($params);
+        $event->add_record_snapshot('workshop_submissions', $formdata);
+        $event->trigger();
 
         // send submitted content for plagiarism detection
         $fs = get_file_storage();
         $files = $fs->get_area_files($workshop->context->id, 'mod_workshop', 'submission_attachment', $submission->id);
 
-        $params = array(
-            'context' => $workshop->context,
-            'objectid' => $submission->id,
-            'other' => array(
-                'content' => $formdata->content,
-                'pathnamehashes' => array_keys($files)
-            )
-        );
+        $params['other']['content'] = $formdata->content;
+        $params['other']['pathnamehashes'] = array_keys($files);
+
         $event = \mod_workshop\event\assessable_uploaded::create($params);
         $event->set_legacy_logdata($logdata);
         $event->trigger();
diff --git a/mod/workshop/toolbox.php b/mod/workshop/toolbox.php
index a9f33d13726..2940aeecae9 100644
--- a/mod/workshop/toolbox.php
+++ b/mod/workshop/toolbox.php
@@ -38,18 +38,26 @@ require_login($course, false, $cm);
 $workshop = new workshop($workshop, $cm, $course);
 require_sesskey();
 
+$params = array(
+    'objectid' => $workshop->id,
+    'context' => $workshop->context,
+    'courseid' => $course->id
+);
+
 switch ($tool) {
 case 'clearaggregatedgrades':
     require_capability('mod/workshop:overridegrades', $workshop->context);
-    $workshop->log('update clear aggregated grades');
     $workshop->clear_submission_grades();
     $workshop->clear_grading_grades();
+    $event = \mod_workshop\event\assessment_evaluations_reset::create($params);
+    $event->trigger();
     break;
 
 case 'clearassessments':
     require_capability('mod/workshop:overridegrades', $workshop->context);
-    $workshop->log('update clear assessments');
     $workshop->clear_assessments();
+    $event = \mod_workshop\event\submission_assessments_reset::create($params);
+    $event->trigger();
     break;
 }
 
diff --git a/mod/workshop/view.php b/mod/workshop/view.php
index ad84c6f1683..cdbf83773f0 100644
--- a/mod/workshop/view.php
+++ b/mod/workshop/view.php
@@ -76,7 +76,9 @@ $event->trigger();
 if ($workshop->phase == workshop::PHASE_SUBMISSION and $workshop->phaseswitchassessment
         and $workshop->submissionend > 0 and $workshop->submissionend < time()) {
     $workshop->switch_phase(workshop::PHASE_ASSESSMENT);
-    $workshop->log('update switch phase', $workshop->view_url(), $workshop->phase);
+    $eventdata['other']['workshopphase'] = $workshop->phase;
+    $event = \mod_workshop\event\phase_switched::create($eventdata);
+    $event->trigger();
     // Disable the automatic switching now so that it is not executed again by accident
     // if the teacher changes the phase back to the submission one.
     $DB->set_field('workshop', 'phaseswitchassessment', 0, array('id' => $workshop->id));