Proyectos de Subversion Moodle

<?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/>.

/**

 * Class preview

 *

 * @package     tool_uploaduser

 * @copyright   2020 Marina Glancy

 * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

namespace tool_uploaduser;

defined('MOODLE_INTERNAL') || die();

use tool_uploaduser\local\field_value_validators;

require_once($CFG->libdir.'/csvlib.class.php');

require_once($CFG->dirroot.'/'.$CFG->admin.'/tool/uploaduser/locallib.php');

/**

 * Display the preview of a CSV file

 *

 * @package     tool_uploaduser

 * @copyright   2020 Marina Glancy

 * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

class preview extends \html_table {

    /** @var \csv_import_reader  */

    protected $cir;

    /** @var array */

    protected $filecolumns;

    /** @var int */

    protected $previewrows;

    /** @var bool */

    protected $noerror = true; // Keep status of any error.

    /**

     * preview constructor.

     *

     * @param \csv_import_reader $cir

     * @param array $filecolumns

     * @param int $previewrows

     * @throws \coding_exception

     */

    public function __construct(\csv_import_reader $cir, array $filecolumns, int $previewrows) {

        parent::__construct();

        $this->cir = $cir;

        $this->filecolumns = $filecolumns;

        $this->previewrows = $previewrows;

        $this->id = "uupreview";

        $this->attributes['class'] = 'generaltable';

        $this->tablealign = 'center';

        $this->summary = get_string('uploaduserspreview', 'tool_uploaduser');

        $this->head = array();

        $this->data = $this->read_data();

        $this->head[] = get_string('uucsvline', 'tool_uploaduser');

        foreach ($filecolumns as $column) {

            $this->head[] = $column;

        }

        $this->head[] = get_string('status');

    }

    /**

     * Read data

     *

     * @return array

     * @throws \coding_exception

     * @throws \dml_exception

     * @throws \moodle_exception

     */

    protected function read_data() {

        global $DB, $CFG;

        // Track whether values for profile fields defined as unique have already been used.

        $profilefieldvalues = [];

        $data = array();

        $this->cir->init();

        $linenum = 1; // Column header is first line.

        while ($linenum <= $this->previewrows and $fields = $this->cir->next()) {

            $linenum++;

            $rowcols = array();

            $rowcols['line'] = $linenum;

            foreach ($fields as $key => $field) {

                $rowcols[$this->filecolumns[$key]] = s(trim($field));

            }

            $rowcols['status'] = array();

            if (isset($rowcols['username'])) {

                $stdusername = \core_user::clean_field($rowcols['username'], 'username');

                if ($rowcols['username'] !== $stdusername) {

                    $rowcols['status'][] = get_string('invalidusernameupload');

                }

                if ($userid = $DB->get_field('user', 'id',

                        ['username' => $stdusername, 'mnethostid' => $CFG->mnet_localhost_id])) {

                    $rowcols['username'] = \html_writer::link(

                        new \moodle_url('/user/profile.php', ['id' => $userid]), $rowcols['username']);

                }

            } else {

                $rowcols['status'][] = get_string('missingusername');

            }

            if (isset($rowcols['email'])) {

                if (!validate_email($rowcols['email'])) {

                    $rowcols['status'][] = get_string('invalidemail');

                }

                $select = $DB->sql_like('email', ':email', false, true, false, '|');

                $params = array('email' => $DB->sql_like_escape($rowcols['email'], '|'));

                if ($DB->record_exists_select('user', $select , $params)) {

                    $rowcols['status'][] = get_string('useremailduplicate', 'error');

                }

            }

            if (isset($rowcols['theme'])) {

                list($status, $message) = field_value_validators::validate_theme($rowcols['theme']);

                if ($status !== 'normal' && !empty($message)) {

                    $rowcols['status'][] = $message;

                }

            }

            // Check if rowcols have custom profile field with correct data and update error state.

            $this->noerror = uu_check_custom_profile_data($rowcols, $profilefieldvalues) && $this->noerror;

            $rowcols['status'] = implode('<br />', $rowcols['status']);

            $data[] = $rowcols;

        }

        if ($fields = $this->cir->next()) {

            $data[] = array_fill(0, count($fields) + 2, '...');

        }

        $this->cir->close();

        return $data;

    }

    /**

     * Getter for noerror

     *

     * @return bool

     */

    public function get_no_error() {

        return $this->noerror;

    }

}