<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
 * Set of functions used to build OpenDocument Spreadsheet dumps of tables
 *
 * @package    PhpMyAdmin-Export
 * @subpackage ODS
 */
if (! defined('PHPMYADMIN')) {
    exit;
}

/* Get the export interface */
require_once 'libraries/plugins/ExportPlugin.class.php';

$GLOBALS['ods_buffer'] = '';
require_once 'libraries/opendocument.lib.php';

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

    /**
     * Sets the export ODS properties
     *
     * @return void
     */
    protected function setProperties()
    {
        $props = 'libraries/properties/';
        include_once "$props/plugins/ExportPluginProperties.class.php";
        include_once "$props/options/groups/OptionsPropertyRootGroup.class.php";
        include_once "$props/options/groups/OptionsPropertyMainGroup.class.php";
        include_once "$props/options/items/TextPropertyItem.class.php";
        include_once "$props/options/items/BoolPropertyItem.class.php";
        include_once "$props/options/items/HiddenPropertyItem.class.php";

        $exportPluginProperties = new ExportPluginProperties();
        $exportPluginProperties->setText('OpenDocument Spreadsheet');
        $exportPluginProperties->setExtension('ods');
        $exportPluginProperties->setMimeType(
            'application/vnd.oasis.opendocument.spreadsheet'
        );
        $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();
        $exportSpecificOptions->setName("Format Specific Options");

        // general options main group
        $generalOptions = new OptionsPropertyMainGroup();
        $generalOptions->setName("general_opts");
        // create primary items and add them to the group
        $leaf = new TextPropertyItem();
        $leaf->setName("null");
        $leaf->setText(__('Replace NULL with:'));
        $generalOptions->addProperty($leaf);
        $leaf = new BoolPropertyItem();
        $leaf->setName("columns");
        $leaf->setText(__('Put columns names in the first row'));
        $generalOptions->addProperty($leaf);
        $leaf = new HiddenPropertyItem();
        $leaf->setName("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()
    {
        $GLOBALS['ods_buffer'] .= '<?xml version="1.0" encoding="utf-8"?' . '>'
            . '<office:document-content '
                . $GLOBALS['OpenDocumentNS'] . 'office:version="1.0">'
            . '<office:automatic-styles>'
                . '<number:date-style style:name="N37"'
                    . ' number:automatic-order="true">'
                . '<number:month number:style="long"/>'
                . '<number:text>/</number:text>'
                . '<number:day number:style="long"/>'
                . '<number:text>/</number:text>'
                . '<number:year/>'
              . '</number:date-style>'
              . '<number:time-style style:name="N43">'
                . '<number:hours number:style="long"/>'
                . '<number:text>:</number:text>'
                . '<number:minutes number:style="long"/>'
                . '<number:text>:</number:text>'
                . '<number:seconds number:style="long"/>'
                . '<number:text> </number:text>'
                . '<number:am-pm/>'
              . '</number:time-style>'
              . '<number:date-style style:name="N50"'
                    . ' number:automatic-order="true"'
                    . ' number:format-source="language">'
                . '<number:month/>'
                . '<number:text>/</number:text>'
                . '<number:day/>'
                . '<number:text>/</number:text>'
                . '<number:year/>'
                . '<number:text> </number:text>'
                . '<number:hours number:style="long"/>'
                . '<number:text>:</number:text>'
                . '<number:minutes number:style="long"/>'
                . '<number:text> </number:text>'
                . '<number:am-pm/>'
              . '</number:date-style>'
              . '<style:style style:name="DateCell" style:family="table-cell"'
                . ' style:parent-style-name="Default" style:data-style-name="N37"/>'
              . '<style:style style:name="TimeCell" style:family="table-cell"'
                . ' style:parent-style-name="Default" style:data-style-name="N43"/>'
              . '<style:style style:name="DateTimeCell" style:family="table-cell"'
                . ' style:parent-style-name="Default" style:data-style-name="N50"/>'
            . '</office:automatic-styles>'
            . '<office:body>'
            . '<office:spreadsheet>';
        return true;
    }

    /**
     * Outputs export footer
     *
     * @return bool Whether it succeeded
     */
    public function exportFooter()
    {
        $GLOBALS['ods_buffer'] .= '</office:spreadsheet>'
            . '</office:body>'
            . '</office:document-content>';
        if (! PMA_exportOutputHandler(
            PMA_createOpenDocument(
                'application/vnd.oasis.opendocument.spreadsheet',
                $GLOBALS['ods_buffer']
            )
        )) {
            return false;
        }
        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 NHibernate 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, $aliases = array()
    ) {
        global $what;

        $db_alias = $db;
        $table_alias = $table;
        $this->initAlias($aliases, $db_alias, $table_alias);
        // Gets the data from the database
        $result = $GLOBALS['dbi']->query(
            $sql_query, null, PMA_DatabaseInterface::QUERY_UNBUFFERED
        );
        $fields_cnt = $GLOBALS['dbi']->numFields($result);
        $fields_meta = $GLOBALS['dbi']->getFieldsMeta($result);
        $field_flags = array();
        for ($j = 0; $j < $fields_cnt; $j++) {
            $field_flags[$j] = $GLOBALS['dbi']->fieldFlags($result, $j);
        }

        $GLOBALS['ods_buffer'] .=
            '<table:table table:name="' . htmlspecialchars($table_alias) . '">';

        // If required, get fields name at the first line
        if (isset($GLOBALS[$what . '_columns'])) {
            $GLOBALS['ods_buffer'] .= '<table:table-row>';
            for ($i = 0; $i < $fields_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];
                }
                $GLOBALS['ods_buffer'] .=
                    '<table:table-cell office:value-type="string">'
                    . '<text:p>'
                    . htmlspecialchars(
                        stripslashes($col_as)
                    )
                    . '</text:p>'
                    . '</table:table-cell>';
            } // end for
            $GLOBALS['ods_buffer'] .= '</table:table-row>';
        } // end if

        // Format the data
        while ($row = $GLOBALS['dbi']->fetchRow($result)) {
            $GLOBALS['ods_buffer'] .= '<table:table-row>';
            for ($j = 0; $j < $fields_cnt; $j++) {
                if (! isset($row[$j]) || is_null($row[$j])) {
                    $GLOBALS['ods_buffer'] .=
                        '<table:table-cell office:value-type="string">'
                        . '<text:p>'
                        . htmlspecialchars($GLOBALS[$what . '_null'])
                        . '</text:p>'
                        . '</table:table-cell>';
                } elseif (stristr($field_flags[$j], 'BINARY')
                    && $fields_meta[$j]->blob
                ) {
                    // ignore BLOB
                    $GLOBALS['ods_buffer'] .=
                        '<table:table-cell office:value-type="string">'
                        . '<text:p></text:p>'
                        . '</table:table-cell>';
                } elseif ($fields_meta[$j]->type == "date") {
                    $GLOBALS['ods_buffer'] .=
                        '<table:table-cell office:value-type="date"'
                            . ' office:date-value="'
                            . date("Y-m-d", strtotime($row[$j]))
                            . '" table:style-name="DateCell">'
                        . '<text:p>'
                        . htmlspecialchars($row[$j])
                        . '</text:p>'
                        . '</table:table-cell>';
                } elseif ($fields_meta[$j]->type == "time") {
                    $GLOBALS['ods_buffer'] .=
                        '<table:table-cell office:value-type="time"'
                            . ' office:time-value="'
                            . date("\P\TH\Hi\Ms\S", strtotime($row[$j]))
                            . '" table:style-name="TimeCell">'
                        . '<text:p>'
                        . htmlspecialchars($row[$j])
                        . '</text:p>'
                        . '</table:table-cell>';
                } elseif ($fields_meta[$j]->type == "datetime") {
                    $GLOBALS['ods_buffer'] .=
                        '<table:table-cell office:value-type="date"'
                            . ' office:date-value="'
                            . date("Y-m-d\TH:i:s", strtotime($row[$j]))
                            . '" table:style-name="DateTimeCell">'
                        . '<text:p>'
                        . htmlspecialchars($row[$j])
                        . '</text:p>'
                        . '</table:table-cell>';
                } elseif (($fields_meta[$j]->numeric
                    && $fields_meta[$j]->type != 'timestamp'
                    && ! $fields_meta[$j]->blob) || $fields_meta[$j]->type == 'real'
                ) {
                    $GLOBALS['ods_buffer'] .=
                        '<table:table-cell office:value-type="float"'
                            . ' office:value="' . $row[$j] . '" >'
                        . '<text:p>'
                        . htmlspecialchars($row[$j])
                        . '</text:p>'
                        . '</table:table-cell>';
                } else {
                    $GLOBALS['ods_buffer'] .=
                        '<table:table-cell office:value-type="string">'
                        . '<text:p>'
                        . htmlspecialchars($row[$j])
                        . '</text:p>'
                        . '</table:table-cell>';
                }
            } // end for
            $GLOBALS['ods_buffer'] .= '</table:table-row>';
        } // end while
        $GLOBALS['dbi']->freeResult($result);

        $GLOBALS['ods_buffer'] .= '</table:table>';

        return true;
    }
}
