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0e367a119c
This commit is part of work on Custom fields API, to minimize commit history in moodle core the work of a team of developers was split into several commits with different authors but the authorship of individual lines of code may be different from the commit author.
77 lines
3.1 KiB
PHP
77 lines
3.1 KiB
PHP
<?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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* Callbacks
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*
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* @package customfield_textarea
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* @copyright 2018 Marina Glancy
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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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defined('MOODLE_INTERNAL') || die;
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/**
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* Serve the files from the customfield_textarea file areas
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*
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* @param stdClass $course the course object
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* @param stdClass $cm the course module object
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* @param context $context the context
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* @param string $filearea the name of the file area
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* @param array $args extra arguments (itemid, path)
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* @param bool $forcedownload whether or not force download
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* @param array $options additional options affecting the file serving
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* @return bool false if the file not found, just send the file otherwise and do not return
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*/
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function customfield_textarea_pluginfile($course, $cm, $context, $filearea, $args, $forcedownload, array $options=array()) {
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global $DB;
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$itemid = array_shift($args);
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if ($filearea === 'value') {
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// Value of the data, itemid = id in data table.
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$datarecord = $DB->get_record(\core_customfield\data::TABLE, ['id' => $itemid], '*', MUST_EXIST);
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$field = \core_customfield\field_controller::create($datarecord->fieldid);
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$data = \core_customfield\data_controller::create(0, $datarecord, $field);
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$handler = $field->get_handler();
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if ($field->get('type') !== 'textarea' || !$handler->can_view($field, $data->get('instanceid'))
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|| $data->get_context()->id != $context->id) {
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send_file_not_found();
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}
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} else if ($filearea === 'defaultvalue') {
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// Default value of the field, itemid = id in the field table.
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$field = \core_customfield\field_controller::create($itemid);
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$handler = $field->get_handler();
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if ($field->get('type') !== 'textarea' || $handler->get_configuration_context()->id != $context->id) {
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send_file_not_found();
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}
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} else {
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send_file_not_found();
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}
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$filename = array_pop($args); // The last item in the $args array.
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$filepath = '/' . ($args ? implode('/', $args) . '/' : '');
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// Retrieve the file from the Files API.
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$fs = get_file_storage();
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$file = $fs->get_file($context->id, 'customfield_textarea', $filearea, $itemid, $filepath, $filename);
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if (!$file) {
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send_file_not_found();
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}
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// We can now send the file back to the browser - in this case with a cache lifetime of 1 day and no filtering.
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send_file($file, 86400, 0, $forcedownload, $options);
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}
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