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moodle/mod/workshop/classes/external.php
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PHP

<?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/>.
/**
* Workshop external API
*
* @package mod_workshop
* @category external
* @copyright 2017 Juan Leyva <juan@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @since Moodle 3.4
*/
defined('MOODLE_INTERNAL') || die;
require_once("$CFG->libdir/externallib.php");
require_once($CFG->dirroot . '/mod/workshop/locallib.php');
use mod_workshop\external\workshop_summary_exporter;
/**
* Workshop external functions
*
* @package mod_workshop
* @category external
* @copyright 2017 Juan Leyva <juan@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @since Moodle 3.4
*/
class mod_workshop_external extends external_api {
/**
* Describes the parameters for get_workshops_by_courses.
*
* @return external_function_parameters
* @since Moodle 3.4
*/
public static function get_workshops_by_courses_parameters() {
return new external_function_parameters (
array(
'courseids' => new external_multiple_structure(
new external_value(PARAM_INT, 'Course id'), 'Array of course ids', VALUE_DEFAULT, array()
),
)
);
}
/**
* Returns a list of workshops in a provided list of courses.
* If no list is provided all workshops that the user can view will be returned.
*
* @param array $courseids course ids
* @return array of warnings and workshops
* @since Moodle 3.4
*/
public static function get_workshops_by_courses($courseids = array()) {
global $PAGE;
$warnings = array();
$returnedworkshops = array();
$params = array(
'courseids' => $courseids,
);
$params = self::validate_parameters(self::get_workshops_by_courses_parameters(), $params);
$mycourses = array();
if (empty($params['courseids'])) {
$mycourses = enrol_get_my_courses();
$params['courseids'] = array_keys($mycourses);
}
// Ensure there are courseids to loop through.
if (!empty($params['courseids'])) {
list($courses, $warnings) = external_util::validate_courses($params['courseids'], $mycourses);
$output = $PAGE->get_renderer('core');
// Get the workshops in this course, this function checks users visibility permissions.
// We can avoid then additional validate_context calls.
$workshops = get_all_instances_in_courses("workshop", $courses);
foreach ($workshops as $workshop) {
$context = context_module::instance($workshop->coursemodule);
// Remove fields that are not from the workshop (added by get_all_instances_in_courses).
unset($workshop->coursemodule, $workshop->context, $workshop->visible, $workshop->section, $workshop->groupmode,
$workshop->groupingid);
$exporter = new workshop_summary_exporter($workshop, array('context' => $context));
$returnedworkshops[] = $exporter->export($output);
}
}
$result = array(
'workshops' => $returnedworkshops,
'warnings' => $warnings
);
return $result;
}
/**
* Describes the get_workshops_by_courses return value.
*
* @return external_single_structure
* @since Moodle 3.4
*/
public static function get_workshops_by_courses_returns() {
return new external_single_structure(
array(
'workshops' => new external_multiple_structure(
workshop_summary_exporter::get_read_structure()
),
'warnings' => new external_warnings(),
)
);
}
/**
* Utility function for validating a workshop.
*
* @param int $workshopid workshop instance id
* @return array array containing the workshop object, course, context and course module objects
* @since Moodle 3.4
*/
protected static function validate_workshop($workshopid) {
global $DB, $USER;
// Request and permission validation.
$workshop = $DB->get_record('workshop', array('id' => $workshopid), '*', MUST_EXIST);
list($course, $cm) = get_course_and_cm_from_instance($workshop, 'workshop');
$context = context_module::instance($cm->id);
self::validate_context($context);
$workshop = new workshop($workshop, $cm, $course);
return array($workshop, $course, $cm, $context);
}
/**
* Describes the parameters for get_workshop_access_information.
*
* @return external_external_function_parameters
* @since Moodle 3.4
*/
public static function get_workshop_access_information_parameters() {
return new external_function_parameters (
array(
'workshopid' => new external_value(PARAM_INT, 'Workshop instance id.')
)
);
}
/**
* Return access information for a given workshop.
*
* @param int $workshopid workshop instance id
* @return array of warnings and the access information
* @since Moodle 3.4
* @throws moodle_exception
*/
public static function get_workshop_access_information($workshopid) {
global $USER;
$params = self::validate_parameters(self::get_workshop_access_information_parameters(), array('workshopid' => $workshopid));
list($workshop, $course, $cm, $context) = self::validate_workshop($params['workshopid']);
$result = array();
// Return all the available capabilities.
$capabilities = load_capability_def('mod_workshop');
foreach ($capabilities as $capname => $capdata) {
// Get fields like cansubmit so it is consistent with the access_information function implemented in other modules.
$field = 'can' . str_replace('mod/workshop:', '', $capname);
$result[$field] = has_capability($capname, $context);
}
// Now, specific features access information.
$result['creatingsubmissionallowed'] = $workshop->creating_submission_allowed($USER->id);
$result['modifyingsubmissionallowed'] = $workshop->modifying_submission_allowed($USER->id);
$result['assessingallowed'] = $workshop->assessing_allowed($USER->id);
$result['assessingexamplesallowed'] = $workshop->assessing_examples_allowed();
if (is_null($result['assessingexamplesallowed'])) {
$result['assessingexamplesallowed'] = false;
}
$result['warnings'] = array();
return $result;
}
/**
* Describes the get_workshop_access_information return value.
*
* @return external_single_structure
* @since Moodle 3.4
*/
public static function get_workshop_access_information_returns() {
$structure = array(
'creatingsubmissionallowed' => new external_value(PARAM_BOOL,
'Is the given user allowed to create their submission?'),
'modifyingsubmissionallowed' => new external_value(PARAM_BOOL,
'Is the user allowed to modify his existing submission?'),
'assessingallowed' => new external_value(PARAM_BOOL,
'Is the user allowed to create/edit his assessments?'),
'assessingexamplesallowed' => new external_value(PARAM_BOOL,
'Are reviewers allowed to create/edit their assessments of the example submissions?.'),
'warnings' => new external_warnings()
);
$capabilities = load_capability_def('mod_workshop');
foreach ($capabilities as $capname => $capdata) {
// Get fields like cansubmit so it is consistent with the access_information function implemented in other modules.
$field = 'can' . str_replace('mod/workshop:', '', $capname);
$structure[$field] = new external_value(PARAM_BOOL, 'Whether the user has the capability ' . $capname . ' allowed.');
}
return new external_single_structure($structure);
}
/**
* Describes the parameters for get_user_plan.
*
* @return external_external_function_parameters
* @since Moodle 3.4
*/
public static function get_user_plan_parameters() {
return new external_function_parameters (
array(
'workshopid' => new external_value(PARAM_INT, 'Workshop instance id.'),
'userid' => new external_value(PARAM_INT, 'User id (empty or 0 for current user).', VALUE_DEFAULT, 0),
)
);
}
/**
* Return the planner information for the given user.
*
* @param int $workshopid workshop instance id
* @param int $userid user id
* @return array of warnings and the user plan
* @since Moodle 3.4
* @throws moodle_exception
*/
public static function get_user_plan($workshopid, $userid = 0) {
global $USER;
$params = array(
'workshopid' => $workshopid,
'userid' => $userid,
);
$params = self::validate_parameters(self::get_user_plan_parameters(), $params);
list($workshop, $course, $cm, $context) = self::validate_workshop($params['workshopid']);
// Extra checks so only users with permissions can view other users plans.
if (empty($params['userid']) || $params['userid'] == $USER->id) {
$userid = $USER->id;
} else {
require_capability('moodle/course:manageactivities', $context);
$user = core_user::get_user($params['userid'], '*', MUST_EXIST);
core_user::require_active_user($user);
if (!$workshop->check_group_membership($user->id)) {
throw new moodle_exception('notingroup');
}
$userid = $user->id;
}
// Get the user plan information ready for external functions.
$userplan = new workshop_user_plan($workshop, $userid);
$userplan = array('phases' => $userplan->phases, 'examples' => $userplan->get_examples());
foreach ($userplan['phases'] as $phasecode => $phase) {
$phase->code = $phasecode;
$userplan['phases'][$phasecode] = (array) $phase;
foreach ($userplan['phases'][$phasecode]['tasks'] as $taskcode => $task) {
$task->code = $taskcode;
if ($task->link instanceof moodle_url) {
$task->link = $task->link->out(false);
}
$userplan['phases'][$phasecode]['tasks'][$taskcode] = (array) $task;
}
foreach ($userplan['phases'][$phasecode]['actions'] as $actioncode => $action) {
if ($action->url instanceof moodle_url) {
$action->url = $action->url->out(false);
}
$userplan['phases'][$phasecode]['actions'][$actioncode] = (array) $action;
}
}
$result['userplan'] = $userplan;
$result['warnings'] = array();
return $result;
}
/**
* Describes the get_user_plan return value.
*
* @return external_single_structure
* @since Moodle 3.4
*/
public static function get_user_plan_returns() {
return new external_single_structure(
array(
'userplan' => new external_single_structure(
array(
'phases' => new external_multiple_structure(
new external_single_structure(
array(
'code' => new external_value(PARAM_INT, 'Phase code.'),
'title' => new external_value(PARAM_NOTAGS, 'Phase title.'),
'active' => new external_value(PARAM_BOOL, 'Whether is the active task.'),
'tasks' => new external_multiple_structure(
new external_single_structure(
array(
'code' => new external_value(PARAM_ALPHA, 'Task code.'),
'title' => new external_value(PARAM_RAW, 'Task title.'),
'link' => new external_value(PARAM_URL, 'Link to task.'),
'details' => new external_value(PARAM_RAW, 'Task details.', VALUE_OPTIONAL),
'completed' => new external_value(PARAM_NOTAGS,
'Completion information (maybe empty, maybe a boolean or generic info.'),
)
)
),
'actions' => new external_multiple_structure(
new external_single_structure(
array(
'type' => new external_value(PARAM_ALPHA, 'Action type.', VALUE_OPTIONAL),
'label' => new external_value(PARAM_RAW, 'Action label.', VALUE_OPTIONAL),
'url' => new external_value(PARAM_URL, 'Link to action.'),
'method' => new external_value(PARAM_ALPHA, 'Get or post.', VALUE_OPTIONAL),
)
)
),
)
)
),
'examples' => new external_multiple_structure(
new external_single_structure(
array(
'id' => new external_value(PARAM_INT, 'Example submission id.'),
'title' => new external_value(PARAM_RAW, 'Example submission title.'),
'assessmentid' => new external_value(PARAM_INT, 'Example submission assessment id.'),
'grade' => new external_value(PARAM_FLOAT, 'The submission grade.'),
'gradinggrade' => new external_value(PARAM_FLOAT, 'The assessment grade.'),
)
)
),
)
),
'warnings' => new external_warnings(),
)
);
}
/**
* Describes the parameters for view_workshop.
*
* @return external_function_parameters
* @since Moodle 3.4
*/
public static function view_workshop_parameters() {
return new external_function_parameters (
array(
'workshopid' => new external_value(PARAM_INT, 'Workshop instance id'),
)
);
}
/**
* Trigger the course module viewed event and update the module completion status.
*
* @param int $workshopid workshop instance id
* @return array of warnings and status result
* @since Moodle 3.4
* @throws moodle_exception
*/
public static function view_workshop($workshopid) {
$params = array('workshopid' => $workshopid);
$params = self::validate_parameters(self::view_workshop_parameters(), $params);
$warnings = array();
list($workshop, $course, $cm, $context) = self::validate_workshop($params['workshopid']);
$workshop->set_module_viewed();
$result = array(
'status' => true,
'warnings' => $warnings,
);
return $result;
}
/**
* Describes the view_workshop return value.
*
* @return external_single_structure
* @since Moodle 3.4
*/
public static function view_workshop_returns() {
return new external_single_structure(
array(
'status' => new external_value(PARAM_BOOL, 'status: true if success'),
'warnings' => new external_warnings(),
)
);
}
}