moodle_local_treestudyplan/classes/utilityservice.php

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<?php
// This file is part of the Studyplan plugin for Moodle
//
// 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 <https://www.gnu.org/licenses/>.
/**
* Webservice class for managing studyplans
* @package local_treestudyplan
* @copyright 2023 P.M. Kuipers
* @license https://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace local_treestudyplan;
defined('MOODLE_INTERNAL') || die();
use local_treestudyplan\local\helpers\webservicehelper;
require_once($CFG->libdir.'/externallib.php');
require_once($CFG->libdir.'/badgeslib.php');
require_once($CFG->libdir.'/gradelib.php');
require_once($CFG->dirroot.'/course/modlib.php');
/**
* Webservice class for managing studyplans
*/
class utilityservice extends \external_api {
/**
* Capability required to edit study plans
* @var string
*/
const CAP_EDIT = "local/treestudyplan:editstudyplan";
/**
* Capability required to view studyplans (for other users)
* @var string
*/
const CAP_VIEW = "local/treestudyplan:viewuserreports";
protected function load_mform($formname, $params, $ajaxformdata = null) {
global $CFG;
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/* We don't need to load the form php file (class autoloading will handle that)
but we do need to check it's existence to give a nice developer warning
and protect against some forms of hacking
*/
$modmoodleform = "$CFG->dirroot/local/treestudyplan/classes/local/forms/{$formname}.php";
if (!file_exists($modmoodleform)) {
throw new \moodle_exception('noformdesc', 'local_treestudyplan');;
}
$mformclassname = "\\local_treestudyplan\\local\\forms\\{$formname}";
$jsonparams = json_decode($params);
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$mform = new $mformclassname( $jsonparams, $ajaxformdata);
return $mform;
}
/**
* Returns description of get_mform parameters
*
* @return \external_function_parameters
* @since Moodle 3.1
*/
public static function get_mform_parameters() {
return new \external_function_parameters([
'formname' => new \external_value(PARAM_COMPONENT, 'name of the treestudyplan form to parse'),
'params' => new \external_value(PARAM_RAW, 'JSON encoded parameters for form initialization'),
]);
}
/**
* Get a HTML of a studyplan mform(s) via AJAX to insert into html
*
* @param string $formname Name of the form.
* @param array $params Params needed to properly initialize the form
* @return array HTML and JavaScript fragments for insertion into stuff.
*/
public static function get_mform($formname, $params = '') {
global $OUTPUT, $PAGE, $CFG;
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\external_api::validate_context(\context_system::instance());
require_login(null,false,null);
// Hack alert: Set a default URL to stop the annoying debug.
$PAGE->set_url('/');
// Hack alert: Forcing bootstrap_renderer to initiate moodle page.
$OUTPUT->header();
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/* Overwriting page_requirements_manager with the fragment one so only JS included from
this point is returned to the user. */
$PAGE->start_collecting_javascript_requirements();
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// Load the form before any output is started.
$mform = self::load_mform($formname, $params);
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// Perform actual render.
$html = $mform->render();
$jsfooter = $PAGE->requires->get_end_code();
$output = ['html' => $html, 'javascript' => $jsfooter];
return $output;
}
/**
* Returns description of get_mform() result value
*
* @return \core_external\external_description
* @since Moodle 3.1
*/
public static function get_mform_returns() {
return new \external_single_structure(
[
'html' => new \external_value(PARAM_RAW, 'HTML fragment.'),
'javascript' => new \external_value(PARAM_RAW, 'JavaScript fragment')
]
);
}
/**
* Parameter description for webservice function submit_cm_editform
*/
public static function submit_mform_parameters() : \external_function_parameters {
return new \external_function_parameters( [
'formname' => new \external_value(PARAM_COMPONENT, 'name of the treestudyplan form to parse'),
'params' => new \external_value(PARAM_RAW, 'JSON encoded parameters for form initialization'),
"formdata" => new \external_value(PARAM_RAW, 'url encoded form data'),
] );
}
/**
* Return value description for webservice function submit_cm_editform
*/
public static function submit_mform_returns() : \external_description {
return success::structure();
}
/**
* Submit specified form data into form
* @param string $formname Name of the form.
* @param array $params Params needed to properly initialize the form
* @param mixed $formdata
* @return array Success/fail structure
*/
public static function submit_mform($formname, $params, $formdata) {
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\external_api::validate_context(\context_system::instance());
require_login(null,false,null);
$ajaxformdata = [];
parse_str($formdata,$ajaxformdata);
// Load the form, provide submitted form data and perform security checks
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$mform = self::load_mform($formname, $params, $ajaxformdata);
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if ($mform->process_submission() !== false) {
return success::success()->model();
} else {
return success::fail("Error in submission data")->model();
}
}
}