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<?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/>.
/**
* Completion external API
*
* @package core_completion
* @category external
* @copyright 2015 Juan Leyva <juan@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @since Moodle 2.9
*/
defined('MOODLE_INTERNAL') || die;
require_once("$CFG->libdir/externallib.php");
require_once("$CFG->libdir/completionlib.php");
/**
* Completion external functions
*
* @package core_completion
* @category external
* @copyright 2015 Juan Leyva <juan@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @since Moodle 2.9
*/
class core_completion_external extends external_api {
/**
* Describes the parameters for update_activity_completion_status_manually.
*
* @return external_function_parameters
* @since Moodle 2.9
*/
public static function update_activity_completion_status_manually_parameters() {
return new external_function_parameters (
array(
'cmid' => new external_value(PARAM_INT, 'course module id'),
'completed' => new external_value(PARAM_BOOL, 'activity completed or not'),
)
);
}
/**
* Update completion status for the current user in an activity, only for activities with manual tracking.
* @param int $cmid Course module id
* @param bool $completed Activity completed or not
* @return array Result and possible warnings
* @since Moodle 2.9
* @throws moodle_exception
*/
public static function update_activity_completion_status_manually($cmid, $completed) {
// Validate and normalize parameters.
$params = self::validate_parameters(self::update_activity_completion_status_manually_parameters(),
array('cmid' => $cmid, 'completed' => $completed));
$cmid = $params['cmid'];
$completed = $params['completed'];
$warnings = array();
$context = context_module::instance($cmid);
self::validate_context($context);
require_capability('moodle/course:togglecompletion', $context);
list($course, $cm) = get_course_and_cm_from_cmid($cmid);
// Set up completion object and check it is enabled.
$completion = new completion_info($course);
if (!$completion->is_enabled()) {
throw new moodle_exception('completionnotenabled', 'completion');
}
// Check completion state is manual.
if ($cm->completion != COMPLETION_TRACKING_MANUAL) {
throw new moodle_exception('cannotmanualctrack', 'error');
}
$targetstate = ($completed) ? COMPLETION_COMPLETE : COMPLETION_INCOMPLETE;
$completion->update_state($cm, $targetstate);
$result = array();
$result['status'] = true;
$result['warnings'] = $warnings;
return $result;
}
/**
* Describes the update_activity_completion_status_manually return value.
*
* @return external_single_structure
* @since Moodle 2.9
*/
public static function update_activity_completion_status_manually_returns() {
return new external_single_structure(
array(
'status' => new external_value(PARAM_BOOL, 'status, true if success'),
'warnings' => new external_warnings(),
)
);
}
/**
* Describes the parameters for override_activity_completion_status.
*
* @return external_external_function_parameters
* @since Moodle 3.4
*/
public static function override_activity_completion_status_parameters() {
return new external_function_parameters (
array(
'userid' => new external_value(PARAM_INT, 'user id'),
'cmid' => new external_value(PARAM_INT, 'course module id'),
'newstate' => new external_value(PARAM_INT, 'the new activity completion state'),
)
);
}
/**
* Update completion status for a user in an activity.
* @param int $userid User id
* @param int $cmid Course module id
* @param int $newstate Activity completion
* @return array Array containing the current (updated) completion status.
* @since Moodle 3.4
* @throws moodle_exception
*/
public static function override_activity_completion_status($userid, $cmid, $newstate) {
// Validate and normalize parameters.
$params = self::validate_parameters(self::override_activity_completion_status_parameters(),
array('userid' => $userid, 'cmid' => $cmid, 'newstate' => $newstate));
$userid = $params['userid'];
$cmid = $params['cmid'];
$newstate = $params['newstate'];
$context = context_module::instance($cmid);
self::validate_context($context);
list($course, $cm) = get_course_and_cm_from_cmid($cmid);
// Set up completion object and check it is enabled.
$completion = new completion_info($course);
if (!$completion->is_enabled()) {
throw new moodle_exception('completionnotenabled', 'completion');
}
// Update completion state and get the new state back.
$completion->update_state($cm, $newstate, $userid, true);
$completiondata = $completion->get_data($cm, false, $userid);
// Return the current state of completion.
return [
'cmid' => $completiondata->coursemoduleid,
'userid' => $completiondata->userid,
'state' => $completiondata->completionstate,
'timecompleted' => $completiondata->timemodified,
'overrideby' => $completiondata->overrideby,
'tracking' => $completion->is_enabled($cm)
];
}
/**
* Describes the override_activity_completion_status return value.
*
* @return external_single_structure
* @since Moodle 3.4
*/
public static function override_activity_completion_status_returns() {
return new external_single_structure(
array(
'cmid' => new external_value(PARAM_INT, 'The course module id'),
'userid' => new external_value(PARAM_INT, 'The user id to which the completion info belongs'),
'state' => new external_value(PARAM_INT, 'The current completion state.'),
'timecompleted' => new external_value(PARAM_INT, 'time of completion'),
'overrideby' => new external_value(PARAM_INT, 'The user id who has overriden the status, or null'),
'tracking' => new external_value(PARAM_INT, 'type of tracking:
0 means none, 1 manual, 2 automatic'),
)
);
}
/**
* Returns description of method parameters
*
* @return external_function_parameters
* @since Moodle 2.9
*/
public static function get_activities_completion_status_parameters() {
return new external_function_parameters(
array(
'courseid' => new external_value(PARAM_INT, 'Course ID'),
'userid' => new external_value(PARAM_INT, 'User ID'),
)
);
}
/**
* Get Activities completion status
*
* @param int $courseid ID of the Course
* @param int $userid ID of the User
* @return array of activities progress and warnings
* @throws moodle_exception
* @since Moodle 2.9
* @throws moodle_exception
*/
public static function get_activities_completion_status($courseid, $userid) {
global $CFG, $USER;
require_once($CFG->libdir . '/grouplib.php');
$warnings = array();
$arrayparams = array(
'courseid' => $courseid,
'userid' => $userid,
);
$params = self::validate_parameters(self::get_activities_completion_status_parameters(), $arrayparams);
$course = get_course($params['courseid']);
$user = core_user::get_user($params['userid'], '*', MUST_EXIST);
core_user::require_active_user($user);
$context = context_course::instance($course->id);
self::validate_context($context);
// Check that current user have permissions to see this user's activities.
if ($user->id != $USER->id) {
require_capability('report/progress:view', $context);
if (!groups_user_groups_visible($course, $user->id)) {
// We are not in the same group!
throw new moodle_exception('accessdenied', 'admin');
}
}
$completion = new completion_info($course);
$activities = $completion->get_activities();
$results = array();
foreach ($activities as $activity) {
// Check if current user has visibility on this activity.
if (!$activity->uservisible) {
continue;
}
// Get progress information and state (we must use get_data because it works for all user roles in course).
$activitycompletiondata = $completion->get_data($activity, true, $user->id);
$results[] = array(
'cmid' => $activity->id,
'modname' => $activity->modname,
'instance' => $activity->instance,
'state' => $activitycompletiondata->completionstate,
'timecompleted' => $activitycompletiondata->timemodified,
'tracking' => $activity->completion,
'overrideby' => $activitycompletiondata->overrideby,
'valueused' => core_availability\info::completion_value_used($course, $activity->id)
);
}
$results = array(
'statuses' => $results,
'warnings' => $warnings
);
return $results;
}
/**
* Returns description of method result value
*
* @return external_description
* @since Moodle 2.9
*/
public static function get_activities_completion_status_returns() {
return new external_single_structure(
array(
'statuses' => new external_multiple_structure(
new external_single_structure(
array(
'cmid' => new external_value(PARAM_INT, 'comment ID'),
'modname' => new external_value(PARAM_PLUGIN, 'activity module name'),
'instance' => new external_value(PARAM_INT, 'instance ID'),
'state' => new external_value(PARAM_INT, 'completion state value:
0 means incomplete, 1 complete,
2 complete pass, 3 complete fail'),
'timecompleted' => new external_value(PARAM_INT, 'timestamp for completed activity'),
'tracking' => new external_value(PARAM_INT, 'type of tracking:
0 means none, 1 manual, 2 automatic'),
'overrideby' => new external_value(PARAM_INT, 'The user id who has overriden the status, or null',
VALUE_OPTIONAL),
'valueused' => new external_value(PARAM_BOOL, 'Whether the completion status affects the availability
of another activity.', VALUE_OPTIONAL),
), 'Activity'
), 'List of activities status'
),
'warnings' => new external_warnings()
)
);
}
/**
* Returns description of method parameters
*
* @return external_function_parameters
* @since Moodle 2.9
*/
public static function get_course_completion_status_parameters() {
return new external_function_parameters(
array(
'courseid' => new external_value(PARAM_INT, 'Course ID'),
'userid' => new external_value(PARAM_INT, 'User ID'),
)
);
}
/**
* Get Course completion status
*
* @param int $courseid ID of the Course
* @param int $userid ID of the User
* @return array of course completion status and warnings
* @since Moodle 2.9
* @throws moodle_exception
*/
public static function get_course_completion_status($courseid, $userid) {
global $CFG, $USER;
require_once($CFG->libdir . '/grouplib.php');
$warnings = array();
$arrayparams = array(
'courseid' => $courseid,
'userid' => $userid,
);
$params = self::validate_parameters(self::get_course_completion_status_parameters(), $arrayparams);
$course = get_course($params['courseid']);
$user = core_user::get_user($params['userid'], '*', MUST_EXIST);
core_user::require_active_user($user);
$context = context_course::instance($course->id);
self::validate_context($context);
// Can current user see user's course completion status?
// This check verifies if completion is enabled because $course is mandatory.
if (!completion_can_view_data($user->id, $course)) {
throw new moodle_exception('cannotviewreport');
}
// The previous function doesn't check groups.
if ($user->id != $USER->id) {
if (!groups_user_groups_visible($course, $user->id)) {
// We are not in the same group!
throw new moodle_exception('accessdenied', 'admin');
}
}
$info = new completion_info($course);
// Check this user is enroled.
if (!$info->is_tracked_user($user->id)) {
if ($USER->id == $user->id) {
throw new moodle_exception('notenroled', 'completion');
} else {
throw new moodle_exception('usernotenroled', 'completion');
}
}
$completions = $info->get_completions($user->id);
if (empty($completions)) {
throw new moodle_exception('nocriteriaset', 'completion');
}
// Load course completion.
$completionparams = array(
'userid' => $user->id,
'course' => $course->id,
);
$ccompletion = new completion_completion($completionparams);
$completionrows = array();
// Loop through course criteria.
foreach ($completions as $completion) {
$criteria = $completion->get_criteria();
$completionrow = array();
$completionrow['type'] = $criteria->criteriatype;
$completionrow['title'] = $criteria->get_title();
$completionrow['status'] = $completion->get_status();
$completionrow['complete'] = $completion->is_complete();
$completionrow['timecompleted'] = $completion->timecompleted;
$completionrow['details'] = $criteria->get_details($completion);
$completionrows[] = $completionrow;
}
$result = array(
'completed' => $info->is_course_complete($user->id),
'aggregation' => $info->get_aggregation_method(),
'completions' => $completionrows
);
$results = array(
'completionstatus' => $result,
'warnings' => $warnings
);
return $results;
}
/**
* Returns description of method result value
*
* @return external_description
* @since Moodle 2.9
*/
public static function get_course_completion_status_returns() {
return new external_single_structure(
array(
'completionstatus' => new external_single_structure(
array(
'completed' => new external_value(PARAM_BOOL, 'true if the course is complete, false otherwise'),
'aggregation' => new external_value(PARAM_INT, 'aggregation method 1 means all, 2 means any'),
'completions' => new external_multiple_structure(
new external_single_structure(
array(
'type' => new external_value(PARAM_INT, 'Completion criteria type'),
'title' => new external_value(PARAM_TEXT, 'Completion criteria Title'),
'status' => new external_value(PARAM_NOTAGS, 'Completion status (Yes/No) a % or number'),
'complete' => new external_value(PARAM_BOOL, 'Completion status (true/false)'),
'timecompleted' => new external_value(PARAM_INT, 'Timestamp for criteria completetion'),
'details' => new external_single_structure(
array(
'type' => new external_value(PARAM_TEXT, 'Type description'),
'criteria' => new external_value(PARAM_RAW, 'Criteria description'),
'requirement' => new external_value(PARAM_TEXT, 'Requirement description'),
'status' => new external_value(PARAM_RAW, 'Status description, can be anything'),
), 'details'),
), 'Completions'
), ''
)
), 'Course status'
),
'warnings' => new external_warnings()
), 'Course completion status'
);
}
/**
* Describes the parameters for mark_course_self_completed.
*
* @return external_function_parameters
* @since Moodle 3.0
*/
public static function mark_course_self_completed_parameters() {
return new external_function_parameters (
array(
'courseid' => new external_value(PARAM_INT, 'Course ID')
)
);
}
/**
* Update the course completion status for the current user (if course self-completion is enabled).
*
* @param int $courseid Course id
* @return array Result and possible warnings
* @since Moodle 3.0
* @throws moodle_exception
*/
public static function mark_course_self_completed($courseid) {
global $USER;
$warnings = array();
$params = self::validate_parameters(self::mark_course_self_completed_parameters(),
array('courseid' => $courseid));
$course = get_course($params['courseid']);
$context = context_course::instance($course->id);
self::validate_context($context);
// Set up completion object and check it is enabled.
$completion = new completion_info($course);
if (!$completion->is_enabled()) {
throw new moodle_exception('completionnotenabled', 'completion');
}
if (!$completion->is_tracked_user($USER->id)) {
throw new moodle_exception('nottracked', 'completion');
}
$completion = $completion->get_completion($USER->id, COMPLETION_CRITERIA_TYPE_SELF);
// Self completion criteria not enabled.
if (!$completion) {
throw new moodle_exception('noselfcompletioncriteria', 'completion');
}
// Check if the user has already marked himself as complete.
if ($completion->is_complete()) {
throw new moodle_exception('useralreadymarkedcomplete', 'completion');
}
// Mark the course complete.
$completion->mark_complete();
$result = array();
$result['status'] = true;
$result['warnings'] = $warnings;
return $result;
}
/**
* Describes the mark_course_self_completed return value.
*
* @return external_single_structure
* @since Moodle 3.0
*/
public static function mark_course_self_completed_returns() {
return new external_single_structure(
array(
'status' => new external_value(PARAM_BOOL, 'status, true if success'),
'warnings' => new external_warnings(),
)
);
}
}