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