ExportYaml.php 6.12 KB
Newer Older
Hamza Arfaoui's avatar
Hamza Arfaoui committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218
<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
 * Set of functions used to build YAML dumps of tables
 *
 * @package    PhpMyAdmin-Export
 * @subpackage YAML
 */

namespace PhpMyAdmin\Plugins\Export;

use PhpMyAdmin\DatabaseInterface;
use PhpMyAdmin\Export;
use PhpMyAdmin\Plugins\ExportPlugin;
use PhpMyAdmin\Properties\Plugins\ExportPluginProperties;
use PhpMyAdmin\Properties\Options\Groups\OptionsPropertyMainGroup;
use PhpMyAdmin\Properties\Options\Groups\OptionsPropertyRootGroup;
use PhpMyAdmin\Properties\Options\Items\HiddenPropertyItem;

/**
 * Handles the export for the YAML format
 *
 * @package    PhpMyAdmin-Export
 * @subpackage YAML
 */
class ExportYaml extends ExportPlugin
{
    /**
     * Constructor
     */
    public function __construct()
    {
        $this->setProperties();
    }

    /**
     * Sets the export YAML properties
     *
     * @return void
     */
    protected function setProperties()
    {
        $exportPluginProperties = new ExportPluginProperties();
        $exportPluginProperties->setText('YAML');
        $exportPluginProperties->setExtension('yml');
        $exportPluginProperties->setMimeType('text/yaml');
        $exportPluginProperties->setForceFile(true);
        $exportPluginProperties->setOptionsText(__('Options'));

        // create the root group that will be the options field for
        // $exportPluginProperties
        // this will be shown as "Format specific options"
        $exportSpecificOptions = new OptionsPropertyRootGroup(
            "Format Specific Options"
        );

        // general options main group
        $generalOptions = new OptionsPropertyMainGroup("general_opts");
        // create primary items and add them to the group
        $leaf = new HiddenPropertyItem("structure_or_data");
        $generalOptions->addProperty($leaf);
        // add the main group to the root group
        $exportSpecificOptions->addProperty($generalOptions);

        // set the options for the export plugin property item
        $exportPluginProperties->setOptions($exportSpecificOptions);
        $this->properties = $exportPluginProperties;
    }

    /**
     * Outputs export header
     *
     * @return bool Whether it succeeded
     */
    public function exportHeader()
    {
        Export::outputHandler(
            '%YAML 1.1' . $GLOBALS['crlf'] . '---' . $GLOBALS['crlf']
        );

        return true;
    }

    /**
     * Outputs export footer
     *
     * @return bool Whether it succeeded
     */
    public function exportFooter()
    {
        Export::outputHandler('...' . $GLOBALS['crlf']);

        return true;
    }

    /**
     * Outputs database header
     *
     * @param string $db       Database name
     * @param string $db_alias Aliases of db
     *
     * @return bool Whether it succeeded
     */
    public function exportDBHeader($db, $db_alias = '')
    {
        return true;
    }

    /**
     * Outputs database footer
     *
     * @param string $db Database name
     *
     * @return bool Whether it succeeded
     */
    public function exportDBFooter($db)
    {
        return true;
    }

    /**
     * Outputs CREATE DATABASE statement
     *
     * @param string $db          Database name
     * @param string $export_type 'server', 'database', 'table'
     * @param string $db_alias    Aliases of db
     *
     * @return bool Whether it succeeded
     */
    public function exportDBCreate($db, $export_type, $db_alias = '')
    {
        return true;
    }

    /**
     * Outputs the content of a table in JSON format
     *
     * @param string $db        database name
     * @param string $table     table name
     * @param string $crlf      the end of line sequence
     * @param string $error_url the url to go back in case of error
     * @param string $sql_query SQL query for obtaining data
     * @param array  $aliases   Aliases of db/table/columns
     *
     * @return bool Whether it succeeded
     */
    public function exportData(
        $db,
        $table,
        $crlf,
        $error_url,
        $sql_query,
        array $aliases = array()
    ) {
        $db_alias = $db;
        $table_alias = $table;
        $this->initAlias($aliases, $db_alias, $table_alias);
        $result = $GLOBALS['dbi']->query(
            $sql_query,
            DatabaseInterface::CONNECT_USER,
            DatabaseInterface::QUERY_UNBUFFERED
        );

        $columns_cnt = $GLOBALS['dbi']->numFields($result);
        $columns = array();
        for ($i = 0; $i < $columns_cnt; $i++) {
            $col_as = $GLOBALS['dbi']->fieldName($result, $i);
            if (!empty($aliases[$db]['tables'][$table]['columns'][$col_as])) {
                $col_as = $aliases[$db]['tables'][$table]['columns'][$col_as];
            }
            $columns[$i] = stripslashes($col_as);
        }

        $buffer = '';
        $record_cnt = 0;
        while ($record = $GLOBALS['dbi']->fetchRow($result)) {
            $record_cnt++;

            // Output table name as comment if this is the first record of the table
            if ($record_cnt == 1) {
                $buffer = '# ' . $db_alias . '.' . $table_alias . $crlf;
                $buffer .= '-' . $crlf;
            } else {
                $buffer = '-' . $crlf;
            }

            for ($i = 0; $i < $columns_cnt; $i++) {
                if (!isset($record[$i])) {
                    continue;
                }

                if (is_null($record[$i])) {
                    $buffer .= '  ' . $columns[$i] . ': null' . $crlf;
                    continue;
                }

                if (is_numeric($record[$i])) {
                    $buffer .= '  ' . $columns[$i] . ': ' . $record[$i] . $crlf;
                    continue;
                }

                $record[$i] = str_replace(
                    array('\\', '"', "\n", "\r"),
                    array('\\\\', '\"', '\n', '\r'),
                    $record[$i]
                );
                $buffer .= '  ' . $columns[$i] . ': "' . $record[$i] . '"' . $crlf;
            }

            if (!Export::outputHandler($buffer)) {
                return false;
            }
        }
        $GLOBALS['dbi']->freeResult($result);

        return true;
    } // end getTableYAML
}