mirror of
https://github.com/moodle/moodle.git
synced 2025-02-23 03:18:07 +01:00
243 lines
9.4 KiB
PHP
243 lines
9.4 KiB
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/>.
|
|
|
|
|
|
/**
|
|
* External question API
|
|
*
|
|
* @package core_question
|
|
* @category external
|
|
* @copyright 2016 Pau Ferrer <pau@moodle.com>
|
|
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
|
|
*/
|
|
|
|
use core_external\external_api;
|
|
use core_external\external_description;
|
|
use core_external\external_value;
|
|
use core_external\external_single_structure;
|
|
use core_external\external_multiple_structure;
|
|
use core_external\external_function_parameters;
|
|
use core_external\external_warnings;
|
|
|
|
defined('MOODLE_INTERNAL') || die();
|
|
|
|
require_once($CFG->dirroot . '/question/engine/lib.php');
|
|
require_once($CFG->dirroot . '/question/engine/datalib.php');
|
|
require_once($CFG->libdir . '/questionlib.php');
|
|
|
|
/**
|
|
* Question external functions
|
|
*
|
|
* @package core_question
|
|
* @category external
|
|
* @copyright 2016 Pau Ferrer <pau@moodle.com>
|
|
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
|
|
* @since Moodle 3.1
|
|
*/
|
|
class core_question_external extends external_api {
|
|
|
|
/**
|
|
* Returns description of method parameters
|
|
*
|
|
* @return external_function_parameters
|
|
* @since Moodle 3.1
|
|
*/
|
|
public static function update_flag_parameters() {
|
|
return new external_function_parameters(
|
|
array(
|
|
'qubaid' => new external_value(PARAM_INT, 'the question usage id.'),
|
|
'questionid' => new external_value(PARAM_INT, 'the question id'),
|
|
'qaid' => new external_value(PARAM_INT, 'the question_attempt id'),
|
|
'slot' => new external_value(PARAM_INT, 'the slot number within the usage'),
|
|
'checksum' => new external_value(PARAM_ALPHANUM, 'computed checksum with the last three arguments and
|
|
the users username'),
|
|
'newstate' => new external_value(PARAM_BOOL, 'the new state of the flag. true = flagged')
|
|
)
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Update the flag state of a question attempt.
|
|
*
|
|
* @param int $qubaid the question usage id.
|
|
* @param int $questionid the question id.
|
|
* @param int $qaid the question_attempt id.
|
|
* @param int $slot the slot number within the usage.
|
|
* @param string $checksum checksum, as computed by {@link get_toggle_checksum()}
|
|
* corresponding to the last three arguments and the users username.
|
|
* @param bool $newstate the new state of the flag. true = flagged.
|
|
* @return array (success infos and fail infos)
|
|
* @since Moodle 3.1
|
|
*/
|
|
public static function update_flag($qubaid, $questionid, $qaid, $slot, $checksum, $newstate) {
|
|
global $CFG, $DB;
|
|
|
|
$params = self::validate_parameters(self::update_flag_parameters(),
|
|
array(
|
|
'qubaid' => $qubaid,
|
|
'questionid' => $questionid,
|
|
'qaid' => $qaid,
|
|
'slot' => $slot,
|
|
'checksum' => $checksum,
|
|
'newstate' => $newstate
|
|
)
|
|
);
|
|
|
|
$warnings = array();
|
|
self::validate_context(context_system::instance());
|
|
|
|
// The checksum will be checked to provide security flagging other users questions.
|
|
question_flags::update_flag($params['qubaid'], $params['questionid'], $params['qaid'], $params['slot'], $params['checksum'],
|
|
$params['newstate']);
|
|
|
|
$result = array();
|
|
$result['status'] = true;
|
|
$result['warnings'] = $warnings;
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Returns description of method result value
|
|
*
|
|
* @return external_description
|
|
* @since Moodle 3.1
|
|
*/
|
|
public static function update_flag_returns() {
|
|
return new external_single_structure(
|
|
array(
|
|
'status' => new external_value(PARAM_BOOL, 'status: true if success'),
|
|
'warnings' => new external_warnings()
|
|
)
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Returns description of method parameters.
|
|
*
|
|
* @return external_function_parameters.
|
|
*/
|
|
public static function get_random_question_summaries_parameters() {
|
|
return new external_function_parameters([
|
|
'categoryid' => new external_value(PARAM_INT, 'Category id to find random questions'),
|
|
'includesubcategories' => new external_value(PARAM_BOOL, 'Include the subcategories in the search'),
|
|
'tagids' => new external_multiple_structure(
|
|
new external_value(PARAM_INT, 'Tag id')
|
|
),
|
|
'contextid' => new external_value(PARAM_INT,
|
|
'Context id that the questions will be rendered in (used for exporting)'),
|
|
'limit' => new external_value(PARAM_INT, 'Maximum number of results to return',
|
|
VALUE_DEFAULT, 0),
|
|
'offset' => new external_value(PARAM_INT, 'Number of items to skip from the begging of the result set',
|
|
VALUE_DEFAULT, 0)
|
|
]);
|
|
}
|
|
|
|
/**
|
|
* Gets the list of random questions for the given criteria. The questions
|
|
* will be exported in a summaries format and won't include all of the
|
|
* question data.
|
|
*
|
|
* @param int $categoryid Category id to find random questions
|
|
* @param bool $includesubcategories Include the subcategories in the search
|
|
* @param int[] $tagids Only include questions with these tags
|
|
* @param int $contextid The context id where the questions will be rendered
|
|
* @param int $limit Maximum number of results to return
|
|
* @param int $offset Number of items to skip from the beginning of the result set.
|
|
* @return array The list of questions and total question count.
|
|
*/
|
|
public static function get_random_question_summaries(
|
|
$categoryid,
|
|
$includesubcategories,
|
|
$tagids,
|
|
$contextid,
|
|
$limit = 0,
|
|
$offset = 0
|
|
) {
|
|
global $DB, $PAGE;
|
|
|
|
// Parameter validation.
|
|
$params = self::validate_parameters(
|
|
self::get_random_question_summaries_parameters(),
|
|
[
|
|
'categoryid' => $categoryid,
|
|
'includesubcategories' => $includesubcategories,
|
|
'tagids' => $tagids,
|
|
'contextid' => $contextid,
|
|
'limit' => $limit,
|
|
'offset' => $offset
|
|
]
|
|
);
|
|
$categoryid = $params['categoryid'];
|
|
$includesubcategories = $params['includesubcategories'];
|
|
$tagids = $params['tagids'];
|
|
$contextid = $params['contextid'];
|
|
$limit = $params['limit'];
|
|
$offset = $params['offset'];
|
|
|
|
$context = \context::instance_by_id($contextid);
|
|
self::validate_context($context);
|
|
|
|
$categorycontextid = $DB->get_field('question_categories', 'contextid', ['id' => $categoryid], MUST_EXIST);
|
|
$categorycontext = \context::instance_by_id($categorycontextid);
|
|
$editcontexts = new \core_question\local\bank\question_edit_contexts($categorycontext);
|
|
// The user must be able to view all questions in the category that they are requesting.
|
|
$editcontexts->require_cap('moodle/question:viewall');
|
|
|
|
$loader = new \core_question\local\bank\random_question_loader(new qubaid_list([]));
|
|
// Only load the properties we require from the DB.
|
|
$properties = \core_question\external\question_summary_exporter::get_mandatory_properties();
|
|
|
|
// Transform to filters.
|
|
$filters = [
|
|
'category' => [
|
|
'jointype' => \qbank_managecategories\category_condition::JOINTYPE_DEFAULT,
|
|
'values' => [$categoryid],
|
|
'filteroptions' => ['includesubcategories' => $includesubcategories],
|
|
],
|
|
'qtagids' => [
|
|
'jointype' => \qbank_tagquestion\tag_condition::JOINTYPE_DEFAULT,
|
|
'values' => $tagids,
|
|
],
|
|
];
|
|
|
|
$questions = $loader->get_filtered_questions($filters, $limit, $offset, $properties);
|
|
$totalcount = $loader->count_filtered_questions($filters);
|
|
$renderer = $PAGE->get_renderer('core');
|
|
|
|
$formattedquestions = array_map(function($question) use ($context, $renderer) {
|
|
$exporter = new \core_question\external\question_summary_exporter($question, ['context' => $context]);
|
|
return $exporter->export($renderer);
|
|
}, $questions);
|
|
|
|
return [
|
|
'totalcount' => $totalcount,
|
|
'questions' => $formattedquestions
|
|
];
|
|
}
|
|
|
|
/**
|
|
* Returns description of method result value.
|
|
*/
|
|
public static function get_random_question_summaries_returns() {
|
|
return new external_single_structure([
|
|
'totalcount' => new external_value(PARAM_INT, 'total number of questions in result set'),
|
|
'questions' => new external_multiple_structure(
|
|
\core_question\external\question_summary_exporter::get_read_structure()
|
|
)
|
|
]);
|
|
}
|
|
}
|