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/>.

/**

 * @package    tool_xmldb

 * @copyright  2003 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}

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

 */

/**

 * reporting about the ones not physically implemented as BIGINTs

 * and providing one SQL script to fix all them. MDL-11038

 *

 * @package    tool_xmldb

 * @copyright  2003 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}

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

 */

class check_bigints extends XMLDBCheckAction {

    /**

     * Init method, every subclass will have its own

     */

    function init() {

        global $DB;

        $this->introstr = 'confirmcheckbigints';

        parent::init();

        // Set own core attributes

        // Set own custom attributes

        // Get needed strings

        $this->loadStrings(array(

            'wrongints' => 'tool_xmldb',

            'nowrongintsfound' => 'tool_xmldb',

            'yeswrongintsfound' => 'tool_xmldb',

        ));

    }

    protected function check_table(xmldb_table $xmldb_table, array $metacolumns) {

        $o = '';

        $wrong_fields = array();

        // Get and process XMLDB fields

        if ($xmldb_fields = $xmldb_table->getFields()) {

            $o.='        <ul>';

            foreach ($xmldb_fields as $xmldb_field) {

                // If the field isn't integer(10), skip

                if ($xmldb_field->getType() != XMLDB_TYPE_INTEGER) {

                    continue;

                }

                // If the metadata for that column doesn't exist, skip

                if (!isset($metacolumns[$xmldb_field->getName()])) {

                    continue;

                }

                $minlength = $xmldb_field->getLength();

                if ($minlength > 18) {

                    // Anything above 18 is borked, just ignore it here.

                    $minlength = 18;

                }

                // To variable for better handling

                $metacolumn = $metacolumns[$xmldb_field->getName()];

                // Going to check this field in DB

                $o.='            <li>' . $this->str['field'] . ': ' . $xmldb_field->getName() . ' ';

                // Detect if the physical field is wrong

                if (($metacolumn->meta_type != 'I' and $metacolumn->meta_type != 'R') or $metacolumn->max_length < $minlength) {

                    $o.='<font color="red">' . $this->str['wrong'] . '</font>';

                    // Add the wrong field to the list

                    $obj = new stdClass();

                    $obj->table = $xmldb_table;

                    $obj->field = $xmldb_field;

                    $wrong_fields[] = $obj;

                } else {

                    $o.='<font color="green">' . $this->str['ok'] . '</font>';

                }

                $o.='</li>';

            }

            $o.='        </ul>';

        }

        return array($o, $wrong_fields);

    }

    protected function display_results(array $wrong_fields) {

        global $DB;

        $dbman = $DB->get_manager();

        $s = '';

        $r = '<table class="generaltable boxaligncenter boxwidthwide" border="0" cellpadding="5" cellspacing="0" id="results">';

        $r.= '  <tr><td class="generalboxcontent">';

        $r.= '    <h2 class="main">' . $this->str['searchresults'] . '</h2>';

        $r.= '    <p class="centerpara">' . $this->str['wrongints'] . ': ' . count($wrong_fields) . '</p>';

        $r.= '  </td></tr>';

        $r.= '  <tr><td class="generalboxcontent">';

        // If we have found wrong integers inform about them

        if (count($wrong_fields)) {

            $r.= '    <p class="centerpara">' . $this->str['yeswrongintsfound'] . '</p>';

            $r.= '        <ul>';

            foreach ($wrong_fields as $obj) {

                $xmldb_table = $obj->table;

                $xmldb_field = $obj->field;

                $sqlarr = $dbman->generator->getAlterFieldSQL($xmldb_table, $xmldb_field);

                $r.= '            <li>' . $this->str['table'] . ': ' . $xmldb_table->getName() . '. ' .

                                          $this->str['field'] . ': ' . $xmldb_field->getName() . '</li>';

                // Add to output if we have sentences

                if ($sqlarr) {

                    $sqlarr = $dbman->generator->getEndedStatements($sqlarr);

                    $s.= '<code>' . str_replace("\n", '<br />', implode('<br />', $sqlarr)). '</code><br />';

                }

            }

            $r.= '        </ul>';

            // Add the SQL statements (all together)

            $r.= '<hr />' . $s;

        } else {

            $r.= '    <p class="centerpara">' . $this->str['nowrongintsfound'] . '</p>';

        }

        $r.= '  </td></tr>';

        $r.= '  <tr><td class="generalboxcontent">';

        // Add the complete log message

        $r.= '    <p class="centerpara">' . $this->str['completelogbelow'] . '</p>';

        $r.= '  </td></tr>';

        $r.= '</table>';

        return $r;

    }

}