You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

325 lines
13 KiB

<?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/>.
/**
* Contains class containing the internal calendar API.
*
* @package core_calendar
* @copyright 2017 Ryan Wyllie <ryan@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace core_calendar\local;
defined('MOODLE_INTERNAL') || die();
use core_calendar\local\event\container;
use core_calendar\local\event\entities\event_interface;
use core_calendar\local\event\exceptions\limit_invalid_parameter_exception;
/**
* Class containing the local calendar API.
*
* This should not be used outside of core_calendar.
*
* @package core_calendar
* @copyright 2017 Ryan Wyllie <ryan@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class api {
/**
* Get all events restricted by various parameters, taking in to account user and group overrides.
*
* @param int|null $timestartfrom Events with timestart from this value (inclusive).
* @param int|null $timestartto Events with timestart until this value (inclusive).
* @param int|null $timesortfrom Events with timesort from this value (inclusive).
* @param int|null $timesortto Events with timesort until this value (inclusive).
* @param int|null $timestartaftereventid Restrict the events in the timestart range to ones after this ID.
* @param int|null $timesortaftereventid Restrict the events in the timesort range to ones after this ID.
* @param int $limitnum Return at most this number of events.
* @param int|null $type Return only events of this type.
* @param array|null $usersfilter Return only events for these users.
* @param array|null $groupsfilter Return only events for these groups.
* @param array|null $coursesfilter Return only events for these courses.
* @param bool $withduration If true return only events starting within specified
* timestart otherwise return in progress events as well.
* @param bool $ignorehidden If true don't return hidden events.
* @return \core_calendar\local\event\entities\event_interface[] Array of event_interfaces.
*/
public static function get_events(
$timestartfrom = null,
$timestartto = null,
$timesortfrom = null,
$timesortto = null,
$timestartaftereventid = null,
$timesortaftereventid = null,
$limitnum = 20,
$type = null,
array $usersfilter = null,
array $groupsfilter = null,
array $coursesfilter = null,
array $categoriesfilter = null,
$withduration = true,
$ignorehidden = true,
callable $filter = null
) {
global $USER;
$vault = \core_calendar\local\event\container::get_event_vault();
$timestartafterevent = null;
$timesortafterevent = null;
if ($timestartaftereventid && $event = $vault->get_event_by_id($timestartaftereventid)) {
$timestartafterevent = $event;
}
if ($timesortaftereventid && $event = $vault->get_event_by_id($timesortaftereventid)) {
$timesortafterevent = $event;
}
return $vault->get_events(
$timestartfrom,
$timestartto,
$timesortfrom,
$timesortto,
$timestartafterevent,
$timesortafterevent,
$limitnum,
$type,
$usersfilter,
$groupsfilter,
$coursesfilter,
$categoriesfilter,
$withduration,
$ignorehidden,
$filter
);
}
/**
* Get a list of action events for the logged in user by the given
* timesort values.
*
* @param int|null $timesortfrom The start timesort value (inclusive)
* @param int|null $timesortto The end timesort value (inclusive)
* @param int|null $aftereventid Only return events after this one
* @param int $limitnum Limit results to this amount (between 1 and 50)
* @param bool $lmittononsuspendedevents Limit course events to courses the user is active in (not suspended).
* @param \stdClass|null $user The user id or false for $USER
* @return array A list of action_event_interface objects
* @throws \moodle_exception
*/
public static function get_action_events_by_timesort(
$timesortfrom = null,
$timesortto = null,
$aftereventid = null,
$limitnum = 20,
$limittononsuspendedevents = false,
?\stdClass $user = null
) {
global $USER;
if (!$user) {
$user = $USER;
}
if (is_null($timesortfrom) && is_null($timesortto)) {
throw new \moodle_exception("Must provide a timesort to and/or from value");
}
if ($limitnum < 1 || $limitnum > 50) {
throw new \moodle_exception("Limit must be between 1 and 50 (inclusive)");
}
\core_calendar\local\event\container::set_requesting_user($user->id);
$vault = \core_calendar\local\event\container::get_event_vault();
$afterevent = null;
if ($aftereventid && $event = $vault->get_event_by_id($aftereventid)) {
$afterevent = $event;
}
return $vault->get_action_events_by_timesort($user, $timesortfrom, $timesortto, $afterevent, $limitnum,
$limittononsuspendedevents);
}
/**
* Get a list of action events for the logged in user by the given
* course and timesort values.
*
* @param \stdClass $course The course the events must belong to
* @param int|null $timesortfrom The start timesort value (inclusive)
* @param int|null $timesortto The end timesort value (inclusive)
* @param int|null $aftereventid Only return events after this one
* @param int $limitnum Limit results to this amount (between 1 and 50)
* @return array A list of action_event_interface objects
* @throws limit_invalid_parameter_exception
*/
public static function get_action_events_by_course(
$course,
$timesortfrom = null,
$timesortto = null,
$aftereventid = null,
$limitnum = 20
) {
global $USER;
if ($limitnum < 1 || $limitnum > 50) {
throw new limit_invalid_parameter_exception(
"Limit must be between 1 and 50 (inclusive)");
}
$vault = \core_calendar\local\event\container::get_event_vault();
$afterevent = null;
if ($aftereventid && $event = $vault->get_event_by_id($aftereventid)) {
$afterevent = $event;
}
return $vault->get_action_events_by_course(
$USER, $course, $timesortfrom, $timesortto, $afterevent, $limitnum);
}
/**
* Get a list of action events for the logged in user by the given
* courses and timesort values.
*
* The limit number applies per course, not for the result set as a whole.
* E.g. Requesting 3 courses with a limit of 10 will result in up to 30
* events being returned (up to 10 per course).
*
* @param array $courses The courses the events must belong to
* @param int|null $timesortfrom The start timesort value (inclusive)
* @param int|null $timesortto The end timesort value (inclusive)
* @param int $limitnum Limit results per course to this amount (between 1 and 50)
* @return array A list of action_event_interface objects indexed by course id
*/
public static function get_action_events_by_courses(
$courses = [],
$timesortfrom = null,
$timesortto = null,
$limitnum = 20
) {
$return = [];
foreach ($courses as $course) {
$return[$course->id] = self::get_action_events_by_course(
$course,
$timesortfrom,
$timesortto,
null,
$limitnum
);
}
return $return;
}
/**
* Change the start day for an event. Only the date will be
* modified, the time of day for the event will be left as is.
*
* @param event_interface $event The existing event to modify
* @param DateTimeInterface $startdate The new date to use for the start day
* @return event_interface The new event with updated start date
*/
public static function update_event_start_day(
event_interface $event,
\DateTimeInterface $startdate
) {
global $DB;
$mapper = container::get_event_mapper();
$legacyevent = $mapper->from_event_to_legacy_event($event);
$hascoursemodule = !empty($event->get_course_module());
$moduleinstance = null;
$starttime = $event->get_times()->get_start_time()->setDate(
$startdate->format('Y'),
$startdate->format('n'),
$startdate->format('j')
);
$starttimestamp = $starttime->getTimestamp();
if ($hascoursemodule) {
$moduleinstance = $DB->get_record(
$event->get_course_module()->get('modname'),
['id' => $event->get_course_module()->get('instance')],
'*',
MUST_EXIST
);
// If there is a timestart range callback implemented then we can
// use the values returned from the valid timestart range to apply
// some default validation on the event's timestart value to ensure
// that it falls within the specified range.
list($min, $max) = component_callback(
'mod_' . $event->get_course_module()->get('modname'),
'core_calendar_get_valid_event_timestart_range',
[$legacyevent, $moduleinstance],
[false, false]
);
} else if ($legacyevent->courseid != 0 && $legacyevent->courseid != SITEID && $legacyevent->groupid == 0) {
// This is a course event.
list($min, $max) = component_callback(
'core_course',
'core_calendar_get_valid_event_timestart_range',
[$legacyevent, $event->get_course()->get_proxied_instance()],
[0, 0]
);
} else {
$min = $max = 0;
}
// If the callback returns false for either value it means that
// there is no valid time start range.
if ($min === false || $max === false) {
throw new \moodle_exception('The start day of this event can not be modified');
}
if ($min && $starttimestamp < $min[0]) {
throw new \moodle_exception($min[1]);
}
if ($max && $starttimestamp > $max[0]) {
throw new \moodle_exception($max[1]);
}
// This function does our capability checks.
$legacyevent->update((object) ['timestart' => $starttime->getTimestamp()]);
// Check that the user is allowed to manually edit calendar events before
// calling the event updated callback. The manual flag causes the code to
// check the user has the capabilities to modify the modules.
//
// We don't want to call the event update callback if the user isn't allowed
// to modify course modules because depending on the callback it can make
// some changes that would be considered security issues, such as updating the
// due date for an assignment.
if ($hascoursemodule && calendar_edit_event_allowed($legacyevent, true)) {
// If this event is from an activity then we need to call
// the activity callback to let it know that the event it
// created has been modified so it needs to update accordingly.
component_callback(
'mod_' . $event->get_course_module()->get('modname'),
'core_calendar_event_timestart_updated',
[$legacyevent, $moduleinstance]
);
}
return $mapper->from_legacy_event_to_event($legacyevent);
}
}