+ /**
+ * Helper method for validating if the current user can edit the given assessment.
+ *
+ * @param stdClass $assessment assessment object
+ * @param stdClass $submission submission object
+ * @return void
+ * @throws moodle_exception
+ * @since Moodle 3.4
+ */
+ public function check_edit_assessment($assessment, $submission) {
+ global $USER;
+
+ $this->check_view_assessment($assessment, $submission);
+ // Further checks.
+ $isreviewer = ($USER->id == $assessment->reviewerid);
+
+ $assessmenteditable = $isreviewer && $this->assessing_allowed($USER->id);
+ if (!$assessmenteditable) {
+ throw new moodle_exception('nopermissions', 'error', '', 'edit assessments');
+ }
+
+ list($assessed, $notice) = $this->check_examples_assessed_before_assessment($assessment->reviewerid);
+ if (!$assessed) {
+ throw new moodle_exception($notice, 'mod_workshop');
+ }
+ }
+
