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4c2fcbfc85
- when file is uploaded in php, the tmpname does not have initial extension and mimetype recognition by extension fails - another issue is that import form for questions fails with fatal error when it should just say that field is required
157 lines
5.9 KiB
PHP
157 lines
5.9 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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* Defines the import questions form.
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*
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* @package moodlecore
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* @subpackage questionbank
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* @copyright 2007 Jamie Pratt me@jamiep.org
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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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require_once($CFG->libdir . '/formslib.php');
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/**
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* Form to import questions into the question bank.
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*
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* @copyright 2007 Jamie Pratt me@jamiep.org
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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 question_import_form extends moodleform {
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protected function definition() {
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global $COURSE;
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$mform = $this->_form;
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$defaultcategory = $this->_customdata['defaultcategory'];
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$contexts = $this->_customdata['contexts'];
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// Choice of import format, with help icons.
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$mform->addElement('header', 'fileformat', get_string('fileformat', 'question'));
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$fileformatnames = get_import_export_formats('import');
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$radioarray = array();
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$i = 0 ;
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foreach ($fileformatnames as $shortname => $fileformatname) {
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$currentgrp1 = array();
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$currentgrp1[] = $mform->createElement('radio', 'format', '', $fileformatname, $shortname);
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$mform->addGroup($currentgrp1, "formathelp[$i]", ' ', array('<br />'), false);
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if (get_string_manager()->string_exists('pluginname_help', 'qformat_' . $shortname)) {
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$mform->addHelpButton("formathelp[$i]", 'pluginname', 'qformat_' . $shortname);
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}
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$i++ ;
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}
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$mform->addRule("formathelp[0]", null, 'required', null, 'client');
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// Import options.
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$mform->addElement('header','general', get_string('general', 'form'));
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$mform->addElement('questioncategory', 'category', get_string('importcategory', 'question'), compact('contexts'));
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$mform->setDefault('category', $defaultcategory);
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$mform->addHelpButton('category', 'importcategory', 'question');
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$categorygroup = array();
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$categorygroup[] = $mform->createElement('checkbox', 'catfromfile', '', get_string('getcategoryfromfile', 'question'));
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$categorygroup[] = $mform->createElement('checkbox', 'contextfromfile', '', get_string('getcontextfromfile', 'question'));
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$mform->addGroup($categorygroup, 'categorygroup', '', '', false);
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$mform->disabledIf('categorygroup', 'catfromfile', 'notchecked');
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$mform->setDefault('catfromfile', 1);
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$mform->setDefault('contextfromfile', 1);
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$matchgrades = array();
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$matchgrades['error'] = get_string('matchgradeserror', 'question');
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$matchgrades['nearest'] = get_string('matchgradesnearest', 'question');
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$mform->addElement('select', 'matchgrades', get_string('matchgrades', 'question'), $matchgrades);
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$mform->addHelpButton('matchgrades', 'matchgrades', 'question');
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$mform->setDefault('matchgrades', 'error');
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$mform->addElement('selectyesno', 'stoponerror', get_string('stoponerror', 'question'));
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$mform->setDefault('stoponerror', 1);
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$mform->addHelpButton('stoponerror', 'stoponerror', 'question');
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// The file to import
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$mform->addElement('header', 'importfileupload', get_string('importquestions', 'question'));
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$mform->addElement('filepicker', 'newfile', get_string('import'));
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$mform->addRule('newfile', null, 'required', null, 'client');
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// Submit button.
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$mform->addElement('submit', 'submitbutton', get_string('import'));
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// Set a template for the format select elements
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$renderer = $mform->defaultRenderer();
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$template = "{help} {element}\n";
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$renderer->setGroupElementTemplate($template, 'format');
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}
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/**
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* Checks that a file has been uploaded, and that it is of a plausible type.
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* @param array $data the submitted data.
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* @param array $errors the errors so far.
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* @return array the updated errors.
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*/
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protected function validate_uploaded_file($data, $errors) {
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if (empty($data['newfile'])) {
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$errors['newfile'] = get_string('required');
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return $errors;
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}
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$files = $this->get_draft_files('newfile');
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if (count($files) < 1) {
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$errors['newfile'] = get_string('required');
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return $errors;
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}
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if (empty($data['format'])) {
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$errors['format'] = get_string('required');
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return $errors;
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}
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$formatfile = 'format/' . $data['format'] . '/format.php';
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if (!is_readable($formatfile)) {
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throw new moodle_exception('formatnotfound', 'question', '', $data['format']);
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}
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require_once($formatfile);
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$classname = 'qformat_' . $data['format'];
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$qformat = new $classname();
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$file = reset($files);
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if (!$qformat->can_import_file($file)) {
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$a = new stdClass();
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$a->actualtype = $file->get_mimetype();
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$a->expectedtype = $qformat->mime_type();
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$errors['newfile'] = get_string('importwrongfiletype', 'question', $a);
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}
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return $errors;
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}
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public function validation($data, $files) {
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$errors = parent::validation($data, $files);
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$errors = $this->validate_uploaded_file($data, $errors);
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return $errors;
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}
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}
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