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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/>.
/**
* External calendar API
*
* @package core_calendar
* @category external
* @copyright 2012 Ankit Agarwal
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @since Moodle 2.5
*/
defined('MOODLE_INTERNAL') || die;
require_once("$CFG->libdir/externallib.php");
require_once($CFG->dirroot . '/calendar/lib.php');
use \core_calendar\local\api as local_api;
use \core_calendar\local\event\container as event_container;
use \core_calendar\local\event\forms\create as create_event_form;
use \core_calendar\local\event\forms\update as update_event_form;
use \core_calendar\local\event\mappers\create_update_form_mapper;
use \core_calendar\external\event_exporter;
use \core_calendar\external\events_exporter;
use \core_calendar\external\events_grouped_by_course_exporter;
use \core_calendar\external\events_related_objects_cache;
/**
* Calendar external functions
*
* @package core_calendar
* @category external
* @copyright 2012 Ankit Agarwal
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @since Moodle 2.5
*/
class core_calendar_external extends external_api {
/**
* Returns description of method parameters
*
* @return external_function_parameters
* @since Moodle 2.5
*/
public static function delete_calendar_events_parameters() {
return new external_function_parameters(
array('events' => new external_multiple_structure(
new external_single_structure(
array(
'eventid' => new external_value(PARAM_INT, 'Event ID', VALUE_REQUIRED, '', NULL_NOT_ALLOWED),
'repeat' => new external_value(PARAM_BOOL, 'Delete comeplete series if repeated event')
), 'List of events to delete'
)
)
)
);
}
/**
* Delete Calendar events
*
* @param array $eventids A list of event ids with repeat flag to delete
* @return null
* @since Moodle 2.5
*/
public static function delete_calendar_events($events) {
global $DB;
// Parameter validation.
$params = self::validate_parameters(self:: delete_calendar_events_parameters(), array('events' => $events));
$transaction = $DB->start_delegated_transaction();
foreach ($params['events'] as $event) {
$eventobj = calendar_event::load($event['eventid']);
// Let's check if the user is allowed to delete an event.
if (!calendar_delete_event_allowed($eventobj)) {
throw new moodle_exception('nopermissions', 'error', '', get_string('deleteevent', 'calendar'));
}
// Time to do the magic.
$eventobj->delete($event['repeat']);
}
// Everything done smoothly, let's commit.
$transaction->allow_commit();
return null;
}
/**
* Returns description of method result value
*
* @return external_description
* @since Moodle 2.5
*/
public static function delete_calendar_events_returns() {
return null;
}
/**
* Returns description of method parameters
*
* @return external_function_parameters
* @since Moodle 2.5
*/
public static function get_calendar_events_parameters() {
return new external_function_parameters(
array('events' => new external_single_structure(
array(
'eventids' => new external_multiple_structure(
new external_value(PARAM_INT, 'event ids')
, 'List of event ids',
VALUE_DEFAULT, array()),
'courseids' => new external_multiple_structure(
new external_value(PARAM_INT, 'course ids')
, 'List of course ids for which events will be returned',
VALUE_DEFAULT, array()),
'groupids' => new external_multiple_structure(
new external_value(PARAM_INT, 'group ids')
, 'List of group ids for which events should be returned',
VALUE_DEFAULT, array()),
'categoryids' => new external_multiple_structure(
new external_value(PARAM_INT, 'Category ids'),
'List of category ids for which events will be returned',
VALUE_DEFAULT, array()),
), 'Event details', VALUE_DEFAULT, array()),
'options' => new external_single_structure(
array(
'userevents' => new external_value(PARAM_BOOL,
"Set to true to return current user's user events",
VALUE_DEFAULT, true, NULL_ALLOWED),
'siteevents' => new external_value(PARAM_BOOL,
"Set to true to return site events",
VALUE_DEFAULT, true, NULL_ALLOWED),
'timestart' => new external_value(PARAM_INT,
"Time from which events should be returned",
VALUE_DEFAULT, 0, NULL_ALLOWED),
'timeend' => new external_value(PARAM_INT,
"Time to which the events should be returned. We treat 0 and null as no end",
VALUE_DEFAULT, 0, NULL_ALLOWED),
'ignorehidden' => new external_value(PARAM_BOOL,
"Ignore hidden events or not",
VALUE_DEFAULT, true, NULL_ALLOWED),
), 'Options', VALUE_DEFAULT, array())
)
);
}
/**
* Get Calendar events
*
* @param array $events A list of events
* @param array $options various options
* @return array Array of event details
* @since Moodle 2.5
*/
public static function get_calendar_events($events = array(), $options = array()) {
global $SITE, $DB, $USER;
// Parameter validation.
$params = self::validate_parameters(self::get_calendar_events_parameters(), array('events' => $events, 'options' => $options));
$funcparam = array('courses' => array(), 'groups' => array(), 'categories' => array());
$hassystemcap = has_capability('moodle/calendar:manageentries', context_system::instance());
$warnings = array();
$coursecategories = array();
// Let us find out courses and their categories that we can return events from.
if (!$hassystemcap) {
$courseobjs = enrol_get_my_courses();
$courses = array_keys($courseobjs);
$coursecategories = array_flip(array_map(function($course) {
return $course->category;
}, $courseobjs));
foreach ($params['events']['courseids'] as $id) {
try {
$context = context_course::instance($id);
self::validate_context($context);
$funcparam['courses'][] = $id;
} catch (Exception $e) {
$warnings[] = array(
'item' => 'course',
'itemid' => $id,
'warningcode' => 'nopermissions',
'message' => 'No access rights in course context '.$e->getMessage().$e->getTraceAsString()
);
}
}
} else {
$courses = $params['events']['courseids'];
$funcparam['courses'] = $courses;
if (!empty($courses)) {
list($wheresql, $sqlparams) = $DB->get_in_or_equal($courses);
$wheresql = "id $wheresql";
$coursecategories = array_flip(array_map(function($course) {
return $course->category;
}, $DB->get_records_select('course', $wheresql, $sqlparams, '', 'category')));
}
}
// Let us findout groups that we can return events from.
if (!$hassystemcap) {
$groups = groups_get_my_groups();
$groups = array_keys($groups);
foreach ($params['events']['groupids'] as $id) {
if (in_array($id, $groups)) {
$funcparam['groups'][] = $id;
} else {
$warnings[] = array('item' => $id, 'warningcode' => 'nopermissions', 'message' => 'you do not have permissions to access this group');
}
}
} else {
$groups = $params['events']['groupids'];
$funcparam['groups'] = $groups;
}
$categories = array();
if ($hassystemcap || !empty($courses)) {
// Use the category id as the key in the following array. That way we do not have to remove duplicates and
// have a faster lookup later.
$categories = [];
if (!empty($params['events']['categoryids'])) {
$catobjs = \core_course_category::get_many(
array_merge($params['events']['categoryids'], array_keys($coursecategories)));
foreach ($catobjs as $catobj) {
if (isset($coursecategories[$catobj->id]) ||
has_capability('moodle/category:manage', $catobj->get_context())) {
// If the user has access to a course in this category or can manage the category,
// then they can see all parent categories too.
$categories[$catobj->id] = true;
foreach ($catobj->get_parents() as $catid) {
$categories[$catid] = true;
}
}
}
$funcparam['categories'] = array_keys($categories);
} else {
// Fetch all categories where this user has any enrolment, and all categories that this user can manage.
$calcatcache = cache::make('core', 'calendar_categories');
// Do not use cache if the user has the system capability as $coursecategories might not represent the
// courses the user is enrolled in.
$categories = (!$hassystemcap) ? $calcatcache->get('site') : false;
if ($categories !== false) {
// The ids are stored in a list in the cache.
$funcparam['categories'] = $categories;
$categories = array_flip($categories);
} else {
$categories = [];
foreach (\core_course_category::get_all() as $category) {
if (isset($coursecategories[$category->id]) ||
has_capability('moodle/category:manage', $category->get_context(), $USER, false)) {
// If the user has access to a course in this category or can manage the category,
// then they can see all parent categories too.
$categories[$category->id] = true;
foreach ($category->get_parents() as $catid) {
$categories[$catid] = true;
}
}
}
$funcparam['categories'] = array_keys($categories);
if (!$hassystemcap) {
$calcatcache->set('site', $funcparam['categories']);
}
}
}
}
// Do we need user events?
if (!empty($params['options']['userevents'])) {
$funcparam['users'] = array($USER->id);
} else {
$funcparam['users'] = false;
}
// Do we need site events?
if (!empty($params['options']['siteevents'])) {
$funcparam['courses'][] = $SITE->id;
}
// We treat 0 and null as no end.
if (empty($params['options']['timeend'])) {
$params['options']['timeend'] = PHP_INT_MAX;
}
// Event list does not check visibility and permissions, we'll check that later.
$eventlist = calendar_get_legacy_events($params['options']['timestart'], $params['options']['timeend'],
$funcparam['users'], $funcparam['groups'], $funcparam['courses'], true,
$params['options']['ignorehidden'], $funcparam['categories']);
// WS expects arrays.
$events = array();
// We need to get events asked for eventids.
if ($eventsbyid = calendar_get_events_by_id($params['events']['eventids'])) {
$eventlist += $eventsbyid;
}
foreach ($eventlist as $eventid => $eventobj) {
$event = (array) $eventobj;
// Description formatting.
$calendareventobj = new calendar_event($event);
list($event['description'], $event['format']) = $calendareventobj->format_external_text();
if ($hassystemcap) {
// User can see everything, no further check is needed.
$events[$eventid] = $event;
} else if (!empty($eventobj->modulename)) {
$courseid = $eventobj->courseid;
if (!$courseid) {
if (!$calendareventobj->context || !($context = $calendareventobj->context->get_course_context(false))) {
continue;
}
$courseid = $context->instanceid;
}
$instances = get_fast_modinfo($courseid)->get_instances_of($eventobj->modulename);
if (!empty($instances[$eventobj->instance]->uservisible)) {
$events[$eventid] = $event;
}
} else {
// Can the user actually see this event?
$eventobj = calendar_event::load($eventobj);
if ((($eventobj->courseid == $SITE->id) && (empty($eventobj->categoryid))) ||
(!empty($eventobj->categoryid) && isset($categories[$eventobj->categoryid])) ||
(!empty($eventobj->groupid) && in_array($eventobj->groupid, $groups)) ||
(!empty($eventobj->courseid) && in_array($eventobj->courseid, $courses)) ||
($USER->id == $eventobj->userid) ||
(calendar_edit_event_allowed($eventobj))) {
$events[$eventid] = $event;
} else {
$warnings[] = array('item' => $eventid, 'warningcode' => 'nopermissions', 'message' => 'you do not have permissions to view this event');
}
}
}
return array('events' => $events, 'warnings' => $warnings);
}
/**
* Returns description of method result value
*
* @return external_description
* @since Moodle 2.5
*/
public static function get_calendar_events_returns() {
return new external_single_structure(array(
'events' => new external_multiple_structure( new external_single_structure(
array(
'id' => new external_value(PARAM_INT, 'event id'),
'name' => new external_value(PARAM_TEXT, 'event name'),
'description' => new external_value(PARAM_RAW, 'Description', VALUE_OPTIONAL, null, NULL_ALLOWED),
'format' => new external_format_value('description'),
'courseid' => new external_value(PARAM_INT, 'course id'),
'categoryid' => new external_value(PARAM_INT, 'Category id (only for category events).',
VALUE_OPTIONAL),
'groupid' => new external_value(PARAM_INT, 'group id'),
'userid' => new external_value(PARAM_INT, 'user id'),
'repeatid' => new external_value(PARAM_INT, 'repeat id'),
'modulename' => new external_value(PARAM_TEXT, 'module name', VALUE_OPTIONAL, null, NULL_ALLOWED),
'instance' => new external_value(PARAM_INT, 'instance id'),
'eventtype' => new external_value(PARAM_TEXT, 'Event type'),
'timestart' => new external_value(PARAM_INT, 'timestart'),
'timeduration' => new external_value(PARAM_INT, 'time duration'),
'visible' => new external_value(PARAM_INT, 'visible'),
'uuid' => new external_value(PARAM_TEXT, 'unique id of ical events', VALUE_OPTIONAL, null, NULL_NOT_ALLOWED),
'sequence' => new external_value(PARAM_INT, 'sequence'),
'timemodified' => new external_value(PARAM_INT, 'time modified'),
'subscriptionid' => new external_value(PARAM_INT, 'Subscription id', VALUE_OPTIONAL, null, NULL_ALLOWED),
), 'event')
),
'warnings' => new external_warnings()
)
);
}
/**
* Returns description of method parameters.
*
* @since Moodle 3.3
* @return external_function_parameters
*/
public static function get_calendar_action_events_by_timesort_parameters() {
return new external_function_parameters(
array(
'timesortfrom' => new external_value(PARAM_INT, 'Time sort from', VALUE_DEFAULT, 0),
'timesortto' => new external_value(PARAM_INT, 'Time sort to', VALUE_DEFAULT, null),
'aftereventid' => new external_value(PARAM_INT, 'The last seen event id', VALUE_DEFAULT, 0),
'limitnum' => new external_value(PARAM_INT, 'Limit number', VALUE_DEFAULT, 20),
'limittononsuspendedevents' => new external_value(PARAM_BOOL,
'Limit the events to courses the user is not suspended in', VALUE_DEFAULT, false),
'userid' => new external_value(PARAM_INT, 'The user id', VALUE_DEFAULT, null),
)
);
}
/**
* Get calendar action events based on the timesort value.
*
* @since Moodle 3.3
* @param null|int $timesortfrom Events after this time (inclusive)
* @param null|int $timesortto Events before this time (inclusive)
* @param null|int $aftereventid Get events with ids greater than this one
* @param int $limitnum Limit the number of results to this value
* @param null|int $userid The user id
* @return array
*/
public static function get_calendar_action_events_by_timesort($timesortfrom = 0, $timesortto = null,
$aftereventid = 0, $limitnum = 20, $limittononsuspendedevents = false,
$userid = null) {
global $PAGE, $USER;
$params = self::validate_parameters(
self::get_calendar_action_events_by_timesort_parameters(),
[
'timesortfrom' => $timesortfrom,
'timesortto' => $timesortto,
'aftereventid' => $aftereventid,
'limitnum' => $limitnum,
'limittononsuspendedevents' => $limittononsuspendedevents,
'userid' => $userid,
]
);
if ($params['userid']) {
$user = \core_user::get_user($params['userid']);
} else {
$user = $USER;
}
$context = \context_user::instance($user->id);
self::validate_context($context);
if (empty($params['aftereventid'])) {
$params['aftereventid'] = null;
}
$renderer = $PAGE->get_renderer('core_calendar');
$events = local_api::get_action_events_by_timesort(
$params['timesortfrom'],
$params['timesortto'],
$params['aftereventid'],
$params['limitnum'],
$params['limittononsuspendedevents'],
$user
);
$exportercache = new events_related_objects_cache($events);
$exporter = new events_exporter($events, ['cache' => $exportercache]);
return $exporter->export($renderer);
}
/**
* Returns description of method result value.
*
* @since Moodle 3.3
* @return external_description
*/
public static function get_calendar_action_events_by_timesort_returns() {
return events_exporter::get_read_structure();
}
/**
* Returns description of method parameters.
*
* @return external_function_parameters
*/
public static function get_calendar_action_events_by_course_parameters() {
return new external_function_parameters(
array(
'courseid' => new external_value(PARAM_INT, 'Course id'),
'timesortfrom' => new external_value(PARAM_INT, 'Time sort from', VALUE_DEFAULT, null),
'timesortto' => new external_value(PARAM_INT, 'Time sort to', VALUE_DEFAULT, null),
'aftereventid' => new external_value(PARAM_INT, 'The last seen event id', VALUE_DEFAULT, 0),
'limitnum' => new external_value(PARAM_INT, 'Limit number', VALUE_DEFAULT, 20)
)
);
}
/**
* Get calendar action events for the given course.
*
* @since Moodle 3.3
* @param int $courseid Only events in this course
* @param null|int $timesortfrom Events after this time (inclusive)
* @param null|int $timesortto Events before this time (inclusive)
* @param null|int $aftereventid Get events with ids greater than this one
* @param int $limitnum Limit the number of results to this value
* @return array
*/
public static function get_calendar_action_events_by_course(
$courseid, $timesortfrom = null, $timesortto = null, $aftereventid = 0, $limitnum = 20) {
global $PAGE, $USER;
$user = null;
$params = self::validate_parameters(
self::get_calendar_action_events_by_course_parameters(),
[
'courseid' => $courseid,
'timesortfrom' => $timesortfrom,
'timesortto' => $timesortto,
'aftereventid' => $aftereventid,
'limitnum' => $limitnum,
]
);
$context = \context_user::instance($USER->id);
self::validate_context($context);
if (empty($params['aftereventid'])) {
$params['aftereventid'] = null;
}
$courses = enrol_get_my_courses('*', null, 0, [$courseid]);
$courses = array_values($courses);
if (empty($courses)) {
return [];
}
$course = $courses[0];
$renderer = $PAGE->get_renderer('core_calendar');
$events = local_api::get_action_events_by_course(
$course,
$params['timesortfrom'],
$params['timesortto'],
$params['aftereventid'],
$params['limitnum']
);
$exportercache = new events_related_objects_cache($events, $courses);
$exporter = new events_exporter($events, ['cache' => $exportercache]);
return $exporter->export($renderer);
}
/**
* Returns description of method result value.
*
* @return external_description
*/
public static function get_calendar_action_events_by_course_returns() {
return events_exporter::get_read_structure();
}
/**
* Returns description of method parameters.
*
* @return external_function_parameters
*/
public static function get_calendar_action_events_by_courses_parameters() {
return new external_function_parameters(
array(
'courseids' => new external_multiple_structure(
new external_value(PARAM_INT, 'Course id')
),
'timesortfrom' => new external_value(PARAM_INT, 'Time sort from', VALUE_DEFAULT, null),
'timesortto' => new external_value(PARAM_INT, 'Time sort to', VALUE_DEFAULT, null),
'limitnum' => new external_value(PARAM_INT, 'Limit number', VALUE_DEFAULT, 10)
)
);
}
/**
* Get calendar action events for a given list of courses.
*
* @since Moodle 3.3
* @param array $courseids Only include events for these courses
* @param null|int $timesortfrom Events after this time (inclusive)
* @param null|int $timesortto Events before this time (inclusive)
* @param int $limitnum Limit the number of results per course to this value
* @return array
*/
public static function get_calendar_action_events_by_courses(
array $courseids, $timesortfrom = null, $timesortto = null, $limitnum = 10) {
global $PAGE, $USER;
$user = null;
$params = self::validate_parameters(
self::get_calendar_action_events_by_courses_parameters(),
[
'courseids' => $courseids,
'timesortfrom' => $timesortfrom,
'timesortto' => $timesortto,
'limitnum' => $limitnum,
]
);
$context = \context_user::instance($USER->id);
self::validate_context($context);
if (empty($params['courseids'])) {
return ['groupedbycourse' => []];
}
$renderer = $PAGE->get_renderer('core_calendar');
$courses = enrol_get_my_courses('*', null, 0, $params['courseids']);
$courses = array_values($courses);
if (empty($courses)) {
return ['groupedbycourse' => []];
}
$events = local_api::get_action_events_by_courses(
$courses,
$params['timesortfrom'],
$params['timesortto'],
$params['limitnum']
);
if (empty($events)) {
return ['groupedbycourse' => []];
}
$exportercache = new events_related_objects_cache($events, $courses);
$exporter = new events_grouped_by_course_exporter($events, ['cache' => $exportercache]);
return $exporter->export($renderer);
}
/**
* Returns description of method result value.
*
* @return external_description
*/
public static function get_calendar_action_events_by_courses_returns() {
return events_grouped_by_course_exporter::get_read_structure();
}
/**
* Returns description of method parameters.
*
* @return external_function_parameters.
* @since Moodle 2.5
*/
public static function create_calendar_events_parameters() {
// Userid is always current user, so no need to get it from client.
// Module based calendar events are not allowed here. Hence no need of instance and modulename.
// subscription id and uuid is not allowed as this is not an ical api.
return new external_function_parameters(
array('events' => new external_multiple_structure(
new external_single_structure(
array(
'name' => new external_value(PARAM_TEXT, 'event name', VALUE_REQUIRED, '', NULL_NOT_ALLOWED),
'description' => new external_value(PARAM_RAW, 'Description', VALUE_DEFAULT, null, NULL_ALLOWED),
'format' => new external_format_value('description', VALUE_DEFAULT),
'courseid' => new external_value(PARAM_INT, 'course id', VALUE_DEFAULT, 0, NULL_NOT_ALLOWED),
'groupid' => new external_value(PARAM_INT, 'group id', VALUE_DEFAULT, 0, NULL_NOT_ALLOWED),
'repeats' => new external_value(PARAM_INT, 'number of repeats', VALUE_DEFAULT, 0, NULL_NOT_ALLOWED),
'eventtype' => new external_value(PARAM_TEXT, 'Event type', VALUE_DEFAULT, 'user', NULL_NOT_ALLOWED),
'timestart' => new external_value(PARAM_INT, 'timestart', VALUE_DEFAULT, time(), NULL_NOT_ALLOWED),
'timeduration' => new external_value(PARAM_INT, 'time duration', VALUE_DEFAULT, 0, NULL_NOT_ALLOWED),
'visible' => new external_value(PARAM_INT, 'visible', VALUE_DEFAULT, 1, NULL_NOT_ALLOWED),
'sequence' => new external_value(PARAM_INT, 'sequence', VALUE_DEFAULT, 1, NULL_NOT_ALLOWED),
), 'event')
)
)
);
}
/**
* Create calendar events.
*
* @param array $events A list of events to create.
* @return array array of events created.
* @since Moodle 2.5
* @throws moodle_exception if user doesnt have the permission to create events.
*/
public static function create_calendar_events($events) {
global $DB, $USER;
// Parameter validation.
$params = self::validate_parameters(self::create_calendar_events_parameters(), array('events' => $events));
$transaction = $DB->start_delegated_transaction();
$return = array();
$warnings = array();
foreach ($params['events'] as $event) {
// Let us set some defaults.
$event['userid'] = $USER->id;
$event['modulename'] = '';
$event['instance'] = 0;
$event['subscriptionid'] = null;
$event['uuid']= '';
$event['format'] = external_validate_format($event['format']);
if ($event['repeats'] > 0) {
$event['repeat'] = 1;
} else {
$event['repeat'] = 0;
}
$eventobj = new calendar_event($event);
// Let's check if the user is allowed to delete an event.
if (!calendar_add_event_allowed($eventobj)) {
$warnings [] = array('item' => $event['name'], 'warningcode' => 'nopermissions', 'message' => 'you do not have permissions to create this event');
continue;
}
// Let's create the event.
$var = $eventobj->create($event);
$var = (array)$var->properties();
if ($event['repeat']) {
$children = $DB->get_records('event', array('repeatid' => $var['id']));
foreach ($children as $child) {
$return[] = (array) $child;
}
} else {
$return[] = $var;
}
}
// Everything done smoothly, let's commit.
$transaction->allow_commit();
return array('events' => $return, 'warnings' => $warnings);
}
/**
* Returns description of method result value.
*
* @return external_description.
* @since Moodle 2.5
*/
public static function create_calendar_events_returns() {
return new external_single_structure(
array(
'events' => new external_multiple_structure( new external_single_structure(
array(
'id' => new external_value(PARAM_INT, 'event id'),
'name' => new external_value(PARAM_TEXT, 'event name'),
'description' => new external_value(PARAM_RAW, 'Description', VALUE_OPTIONAL),
'format' => new external_format_value('description'),
'courseid' => new external_value(PARAM_INT, 'course id'),
'groupid' => new external_value(PARAM_INT, 'group id'),
'userid' => new external_value(PARAM_INT, 'user id'),
'repeatid' => new external_value(PARAM_INT, 'repeat id', VALUE_OPTIONAL),
'modulename' => new external_value(PARAM_TEXT, 'module name', VALUE_OPTIONAL),
'instance' => new external_value(PARAM_INT, 'instance id'),
'eventtype' => new external_value(PARAM_TEXT, 'Event type'),
'timestart' => new external_value(PARAM_INT, 'timestart'),
'timeduration' => new external_value(PARAM_INT, 'time duration'),
'visible' => new external_value(PARAM_INT, 'visible'),
'uuid' => new external_value(PARAM_TEXT, 'unique id of ical events', VALUE_OPTIONAL, '', NULL_NOT_ALLOWED),
'sequence' => new external_value(PARAM_INT, 'sequence'),
'timemodified' => new external_value(PARAM_INT, 'time modified'),
'subscriptionid' => new external_value(PARAM_INT, 'Subscription id', VALUE_OPTIONAL),
), 'event')
),
'warnings' => new external_warnings()
)
);
}
/**
* Returns description of method parameters.
*
* @return external_function_parameters
*/
public static function get_calendar_event_by_id_parameters() {
return new external_function_parameters(
array(
'eventid' => new external_value(PARAM_INT, 'The event id to be retrieved'),
)
);
}
/**
* Get calendar event by id.
*
* @param int $eventid The calendar event id to be retrieved.
* @return array Array of event details
*/
public static function get_calendar_event_by_id($eventid) {
global $PAGE, $USER;
$params = self::validate_parameters(self::get_calendar_event_by_id_parameters(), ['eventid' => $eventid]);
$context = \context_user::instance($USER->id);
self::validate_context($context);
$warnings = array();
$eventvault = event_container::get_event_vault();
if ($event = $eventvault->get_event_by_id($eventid)) {
$mapper = event_container::get_event_mapper();
if (!calendar_view_event_allowed($mapper->from_event_to_legacy_event($event))) {
$event = null;
}
}
if (!$event) {
// We can't return a warning in this case because the event is not optional.
// We don't know the context for the event and it's not worth loading it.
$syscontext = context_system::instance();
throw new \required_capability_exception($syscontext, 'moodle/course:view', 'nopermission', '');
}
$cache = new events_related_objects_cache([$event]);
$relatedobjects = [
'context' => $cache->get_context($event),
'course' => $cache->get_course($event),
];
$exporter = new event_exporter($event, $relatedobjects);
$renderer = $PAGE->get_renderer('core_calendar');
return array('event' => $exporter->export($renderer), 'warnings' => $warnings);
}
/**
* Returns description of method result value
*
* @return external_description
*/
public static function get_calendar_event_by_id_returns() {
$eventstructure = event_exporter::get_read_structure();
return new external_single_structure(array(
'event' => $eventstructure,
'warnings' => new external_warnings()
)
);
}
/**
* Returns description of method parameters.
*
* @return external_function_parameters.
*/
public static function submit_create_update_form_parameters() {
return new external_function_parameters(
[
'formdata' => new external_value(PARAM_RAW, 'The data from the event form'),
]
);
}
/**
* Handles the event form submission.
*
* @param string $formdata The event form data in a URI encoded param string
* @return array The created or modified event
* @throws moodle_exception
*/
public static function submit_create_update_form($formdata) {
global $USER, $PAGE, $CFG;
require_once($CFG->libdir."/filelib.php");
// Parameter validation.
$params = self::validate_parameters(self::submit_create_update_form_parameters(), ['formdata' => $formdata]);
$context = \context_user::instance($USER->id);
$data = [];
self::validate_context($context);
parse_str($params['formdata'], $data);
if (WS_SERVER) {
// Request via WS, ignore sesskey checks in form library.
$USER->ignoresesskey = true;
}
$eventtype = isset($data['eventtype']) ? $data['eventtype'] : null;
$coursekey = ($eventtype == 'group') ? 'groupcourseid' : 'courseid';
$courseid = (!empty($data[$coursekey])) ? $data[$coursekey] : null;
$editoroptions = \core_calendar\local\event\forms\create::build_editor_options($context);
$formoptions = ['editoroptions' => $editoroptions, 'courseid' => $courseid];
$formoptions['eventtypes'] = calendar_get_allowed_event_types($courseid);
if ($courseid) {
require_once($CFG->libdir . '/grouplib.php');
$groupcoursedata = groups_get_course_data($courseid);
if (!empty($groupcoursedata->groups)) {
$formoptions['groups'] = [];
foreach ($groupcoursedata->groups as $groupid => $groupdata) {
$formoptions['groups'][$groupid] = $groupdata->name;
}
}
}
if (!empty($data['id'])) {
$eventid = clean_param($data['id'], PARAM_INT);
$legacyevent = calendar_event::load($eventid);
$legacyevent->count_repeats();
$formoptions['event'] = $legacyevent;
$mform = new update_event_form(null, $formoptions, 'post', '', null, true, $data);
} else {
$legacyevent = null;
$mform = new create_event_form(null, $formoptions, 'post', '', null, true, $data);
}
if ($validateddata = $mform->get_data()) {
$formmapper = new create_update_form_mapper();
$properties = $formmapper->from_data_to_event_properties($validateddata);
if (is_null($legacyevent)) {
$legacyevent = new \calendar_event($properties);
// Need to do this in order to initialise the description
// property which then triggers the update function below
// to set the appropriate default properties on the event.
$properties = $legacyevent->properties(true);
}
if (!calendar_edit_event_allowed($legacyevent, true)) {
print_error('nopermissiontoupdatecalendar');
}
$legacyevent->update($properties);
$eventcontext = $legacyevent->context;
file_remove_editor_orphaned_files($validateddata->description);
// Take any files added to the description draft file area and
// convert them into the proper event description file area. Also
// parse the description text and replace the URLs to the draft files
// with the @@PLUGIN_FILE@@ placeholder to be persisted in the DB.
$description = file_save_draft_area_files(
$validateddata->description['itemid'],
$eventcontext->id,
'calendar',
'event_description',
$legacyevent->id,
create_event_form::build_editor_options($eventcontext),
$validateddata->description['text']
);
// If draft files were found then we need to save the new
// description value.
if ($description != $validateddata->description['text']) {
$properties->id = $legacyevent->id;
$properties->description = $description;
$legacyevent->update($properties);
}
$eventmapper = event_container::get_event_mapper();
$event = $eventmapper->from_legacy_event_to_event($legacyevent);
$cache = new events_related_objects_cache([$event]);
$relatedobjects = [
'context' => $cache->get_context($event),
'course' => $cache->get_course($event),
];
$exporter = new event_exporter($event, $relatedobjects);
$renderer = $PAGE->get_renderer('core_calendar');
return [ 'event' => $exporter->export($renderer) ];
} else {
return [ 'validationerror' => true ];
}
}
/**
* Returns description of method result value.
*
* @return external_description.
*/
public static function submit_create_update_form_returns() {
$eventstructure = event_exporter::get_read_structure();
$eventstructure->required = VALUE_OPTIONAL;
return new external_single_structure(
array(
'event' => $eventstructure,
'validationerror' => new external_value(PARAM_BOOL, 'Invalid form data', VALUE_DEFAULT, false),
)
);
}
/**
* Get data for the monthly calendar view.
*
* @param int $year The year to be shown
* @param int $month The month to be shown
* @param int $courseid The course to be included
* @param int $categoryid The category to be included
* @param bool $includenavigation Whether to include navigation
* @param bool $mini Whether to return the mini month view or not
* @param int $day The day we want to keep as the current day
* @return array
*/
public static function get_calendar_monthly_view($year, $month, $courseid, $categoryid, $includenavigation, $mini, $day) {
global $USER, $PAGE;
// Parameter validation.
$params = self::validate_parameters(self::get_calendar_monthly_view_parameters(), [
'year' => $year,
'month' => $month,
'courseid' => $courseid,
'categoryid' => $categoryid,
'includenavigation' => $includenavigation,
'mini' => $mini,
'day' => $day,
]);
$context = \context_user::instance($USER->id);
self::validate_context($context);
$PAGE->set_url('/calendar/');
$type = \core_calendar\type_factory::get_calendar_instance();
$time = $type->convert_to_timestamp($params['year'], $params['month'], $params['day']);
$calendar = \calendar_information::create($time, $params['courseid'], $params['categoryid']);
self::validate_context($calendar->context);
$view = $params['mini'] ? 'mini' : 'month';
list($data, $template) = calendar_get_view($calendar, $view, $params['includenavigation']);
return $data;
}
/**
* Returns description of method parameters.
*
* @return external_function_parameters
*/
public static function get_calendar_monthly_view_parameters() {
return new external_function_parameters(
[
'year' => new external_value(PARAM_INT, 'Year to be viewed', VALUE_REQUIRED),
'month' => new external_value(PARAM_INT, 'Month to be viewed', VALUE_REQUIRED),
'courseid' => new external_value(PARAM_INT, 'Course being viewed', VALUE_DEFAULT, SITEID, NULL_ALLOWED),
'categoryid' => new external_value(PARAM_INT, 'Category being viewed', VALUE_DEFAULT, null, NULL_ALLOWED),
'includenavigation' => new external_value(
PARAM_BOOL,
'Whether to show course navigation',
VALUE_DEFAULT,
true,
NULL_ALLOWED
),
'mini' => new external_value(
PARAM_BOOL,
'Whether to return the mini month view or not',
VALUE_DEFAULT,
false,
NULL_ALLOWED
),
'day' => new external_value(PARAM_INT, 'Day to be viewed', VALUE_DEFAULT, 1),
]
);
}
/**
* Returns description of method result value.
*
* @return external_description
*/
public static function get_calendar_monthly_view_returns() {
return \core_calendar\external\month_exporter::get_read_structure();
}
/**
* Get data for the daily calendar view.
*
* @param int $year The year to be shown
* @param int $month The month to be shown
* @param int $day The day to be shown
* @param int $courseid The course to be included
* @return array
*/
public static function get_calendar_day_view($year, $month, $day, $courseid, $categoryid) {
global $DB, $USER, $PAGE;
// Parameter validation.
$params = self::validate_parameters(self::get_calendar_day_view_parameters(), [
'year' => $year,
'month' => $month,
'day' => $day,
'courseid' => $courseid,
'categoryid' => $categoryid,
]);
$context = \context_user::instance($USER->id);
self::validate_context($context);
$type = \core_calendar\type_factory::get_calendar_instance();
$time = $type->convert_to_timestamp($params['year'], $params['month'], $params['day']);
$calendar = \calendar_information::create($time, $params['courseid'], $params['categoryid']);
self::validate_context($calendar->context);
list($data, $template) = calendar_get_view($calendar, 'day');
return $data;
}
/**
* Returns description of method parameters.
*
* @return external_function_parameters
*/
public static function get_calendar_day_view_parameters() {
return new external_function_parameters(
[
'year' => new external_value(PARAM_INT, 'Year to be viewed', VALUE_REQUIRED),
'month' => new external_value(PARAM_INT, 'Month to be viewed', VALUE_REQUIRED),
'day' => new external_value(PARAM_INT, 'Day to be viewed', VALUE_REQUIRED),
'courseid' => new external_value(PARAM_INT, 'Course being viewed', VALUE_DEFAULT, SITEID, NULL_ALLOWED),
'categoryid' => new external_value(PARAM_INT, 'Category being viewed', VALUE_DEFAULT, null, NULL_ALLOWED),
]
);
}
/**
* Returns description of method result value.
*
* @return external_description
*/
public static function get_calendar_day_view_returns() {
return \core_calendar\external\calendar_day_exporter::get_read_structure();
}
/**
* Returns description of method parameters.
*
* @return external_function_parameters
*/
public static function update_event_start_day_parameters() {
return new external_function_parameters(
[
'eventid' => new external_value(PARAM_INT, 'Id of event to be updated', VALUE_REQUIRED),
'daytimestamp' => new external_value(PARAM_INT, 'Timestamp for the new start day', VALUE_REQUIRED),
]
);
}
/**
* Change the start day for the given calendar event to the day that
* corresponds with the provided timestamp.
*
* The timestamp only needs to be anytime within the desired day as only
* the date data is extracted from it.
*
* The event's original time of day is maintained, only the date is shifted.
*
* @param int $eventid Id of event to be updated
* @param int $daytimestamp Timestamp for the new start day
* @return array
*/
public static function update_event_start_day($eventid, $daytimestamp) {
global $USER, $PAGE;
// Parameter validation.
$params = self::validate_parameters(self::update_event_start_day_parameters(), [
'eventid' => $eventid,
'daytimestamp' => $daytimestamp,
]);
$vault = event_container::get_event_vault();
$mapper = event_container::get_event_mapper();
$event = $vault->get_event_by_id($eventid);
if (!$event) {
throw new \moodle_exception('Unable to find event with id ' . $eventid);
}
$legacyevent = $mapper->from_event_to_legacy_event($event);
if (!calendar_edit_event_allowed($legacyevent, true)) {
print_error('nopermissiontoupdatecalendar');
}
self::validate_context($legacyevent->context);
$newdate = usergetdate($daytimestamp);
$startdatestring = implode('-', [$newdate['year'], $newdate['mon'], $newdate['mday']]);
$startdate = new DateTimeImmutable($startdatestring);
$event = local_api::update_event_start_day($event, $startdate);
$cache = new events_related_objects_cache([$event]);
$relatedobjects = [
'context' => $cache->get_context($event),
'course' => $cache->get_course($event),
];
$exporter = new event_exporter($event, $relatedobjects);
$renderer = $PAGE->get_renderer('core_calendar');
return array('event' => $exporter->export($renderer));
}
/**
* Returns description of method result value.
*
* @return external_description
*/
public static function update_event_start_day_returns() {
return new external_single_structure(
array(
'event' => event_exporter::get_read_structure()
)
);
}
/**
* Get data for the monthly calendar view.
*
* @param int $courseid The course to be included
* @param int $categoryid The category to be included
* @return array
*/
public static function get_calendar_upcoming_view($courseid, $categoryid) {
global $DB, $USER, $PAGE;
// Parameter validation.
$params = self::validate_parameters(self::get_calendar_upcoming_view_parameters(), [
'courseid' => $courseid,
'categoryid' => $categoryid,
]);
$context = \context_user::instance($USER->id);
self::validate_context($context);
$PAGE->set_url('/calendar/');
$calendar = \calendar_information::create(time(), $params['courseid'], $params['categoryid']);
self::validate_context($calendar->context);
list($data, $template) = calendar_get_view($calendar, 'upcoming');
return $data;
}
/**
* Returns description of method parameters.
*
* @return external_function_parameters
*/
public static function get_calendar_upcoming_view_parameters() {
return new external_function_parameters(
[
'courseid' => new external_value(PARAM_INT, 'Course being viewed', VALUE_DEFAULT, SITEID, NULL_ALLOWED),
'categoryid' => new external_value(PARAM_INT, 'Category being viewed', VALUE_DEFAULT, null, NULL_ALLOWED),
]
);
}
/**
* Returns description of method result value.
*
* @return external_description
*/
public static function get_calendar_upcoming_view_returns() {
return \core_calendar\external\calendar_upcoming_exporter::get_read_structure();
}
/**
* Returns description of method parameters.
*
* @return external_function_parameters.
* @since Moodle 3.7
*/
public static function get_calendar_access_information_parameters() {
return new external_function_parameters(
[
'courseid' => new external_value(PARAM_INT, 'Course to check, empty for site calendar events.', VALUE_DEFAULT, 0),
]
);
}
/**
* Convenience function to retrieve some permissions information for the given course calendar.
*
* @param int $courseid Course to check, empty for site.
* @return array The access information
* @throws moodle_exception
* @since Moodle 3.7
*/
public static function get_calendar_access_information($courseid = 0) {
$params = self::validate_parameters(self::get_calendar_access_information_parameters(), ['courseid' => $courseid]);
if (empty($params['courseid']) || $params['courseid'] == SITEID) {
$context = \context_system::instance();
} else {
$context = \context_course::instance($params['courseid']);
}
self::validate_context($context);
return [
'canmanageentries' => has_capability('moodle/calendar:manageentries', $context),
'canmanageownentries' => has_capability('moodle/calendar:manageownentries', $context),
'canmanagegroupentries' => has_capability('moodle/calendar:managegroupentries', $context),
'warnings' => [],
];
}
/**
* Returns description of method result value.
*
* @return external_description.
* @since Moodle 3.7
*/
public static function get_calendar_access_information_returns() {
return new external_single_structure(
[
'canmanageentries' => new external_value(PARAM_BOOL, 'Whether the user can manage entries.'),
'canmanageownentries' => new external_value(PARAM_BOOL, 'Whether the user can manage its own entries.'),
'canmanagegroupentries' => new external_value(PARAM_BOOL, 'Whether the user can manage group entries.'),
'warnings' => new external_warnings(),
]
);
}
/**
* Returns description of method parameters.
*
* @return external_function_parameters.
* @since Moodle 3.7
*/
public static function get_allowed_event_types_parameters() {
return new external_function_parameters(
[
'courseid' => new external_value(PARAM_INT, 'Course to check, empty for site.', VALUE_DEFAULT, 0),
]
);
}
/**
* Get the type of events a user can create in the given course.
*
* @param int $courseid Course to check, empty for site.
* @return array The types allowed
* @throws moodle_exception
* @since Moodle 3.7
*/
public static function get_allowed_event_types($courseid = 0) {
$params = self::validate_parameters(self::get_allowed_event_types_parameters(), ['courseid' => $courseid]);
if (empty($params['courseid']) || $params['courseid'] == SITEID) {
$context = \context_system::instance();
} else {
$context = \context_course::instance($params['courseid']);
}
self::validate_context($context);
$allowedeventtypes = array_filter(calendar_get_allowed_event_types($params['courseid']));
return [
'allowedeventtypes' => array_keys($allowedeventtypes),
'warnings' => [],
];
}
/**
* Returns description of method result value.
*
* @return external_description.
* @since Moodle 3.7
*/
public static function get_allowed_event_types_returns() {
return new external_single_structure(
[
'allowedeventtypes' => new external_multiple_structure(
new external_value(PARAM_NOTAGS, 'Allowed event types to be created in the given course.')
),
'warnings' => new external_warnings(),
]
);
}
/**
* Convert the specified dates into unix timestamps.
*
* @param array $datetimes Array of arrays containing date time details, each in the format:
* ['year' => a, 'month' => b, 'day' => c,
* 'hour' => d (optional), 'minute' => e (optional), 'key' => 'x' (optional)]
* @return array Provided array of dates converted to unix timestamps
* @throws moodle_exception If one or more of the dates provided does not convert to a valid timestamp.
*/
public static function get_timestamps($datetimes) {
$params = self::validate_parameters(self::get_timestamps_parameters(), ['data' => $datetimes]);
$type = \core_calendar\type_factory::get_calendar_instance();
$timestamps = ['timestamps' => []];
foreach ($params['data'] as $key => $datetime) {
$hour = $datetime['hour'] ?? 0;
$minute = $datetime['minute'] ?? 0;
try {
$timestamp = $type->convert_to_timestamp(
$datetime['year'], $datetime['month'], $datetime['day'], $hour, $minute);
$timestamps['timestamps'][] = [
'key' => $datetime['key'] ?? $key,
'timestamp' => $timestamp,
];
} catch (Exception $e) {
throw new moodle_exception('One or more of the dates provided were invalid');
}
}
return $timestamps;
}
/**
* Describes the parameters for get_timestamps.
*
* @return external_function_parameters
*/
public static function get_timestamps_parameters() {
return new external_function_parameters ([
'data' => new external_multiple_structure(
new external_single_structure(
[
'key' => new external_value(PARAM_ALPHANUMEXT, 'key', VALUE_OPTIONAL),
'year' => new external_value(PARAM_INT, 'year'),
'month' => new external_value(PARAM_INT, 'month'),
'day' => new external_value(PARAM_INT, 'day'),
'hour' => new external_value(PARAM_INT, 'hour', VALUE_OPTIONAL),
'minute' => new external_value(PARAM_INT, 'minute', VALUE_OPTIONAL),
]
)
)
]);
}
/**
* Describes the timestamps return format.
*
* @return external_single_structure
*/
public static function get_timestamps_returns() {
return new external_single_structure(
[
'timestamps' => new external_multiple_structure(
new external_single_structure(
[
'key' => new external_value(PARAM_ALPHANUMEXT, 'Timestamp key'),
'timestamp' => new external_value(PARAM_INT, 'Unix timestamp'),
]
)
)
]
);
}
}