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<?php
/*
* Copyright 2010-2013 by MODX, LLC.
*
* This file is part of xPDO.
*
* xPDO 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 2 of the License, or (at your option) any later
* version.
*
* xPDO 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
* xPDO; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
* Suite 330, Boston, MA 02111-1307 USA
*/
/**
* sqlsrv classes for generating xPDOObject classes and maps from an xPDO schema.
*
* @package xpdo
* @subpackage om.sqlsrv
*/
/**
* Include the parent {@link xPDOGenerator} class.
*/
include_once (dirname(dirname(__FILE__)) . '/xpdogenerator.class.php');
/**
* An extension for generating {@link xPDOObject} class and map files for sqlsrv.
*
* A sqlsrv-specific extension to an {@link xPDOManager} instance that can
* generate class stub and meta-data map files from a provided XML schema of a
* database structure.
*
* @package xpdo
* @subpackage om.sqlsrv
*/
class xPDOGenerator_sqlsrv extends xPDOGenerator {
public function compile($path = '') {
return false;
}
public function getIndex($index) {
return '';
}
/**
* Write an xPDO XML Schema from your database.
*
* @param string $schemaFile The name (including path) of the schemaFile you
* want to write.
* @param string $package Name of the package to generate the classes in.
* @param string $baseClass The class which all classes in the package will
* extend; by default this is set to {@link xPDOObject} and any
* auto_increment fields with the column name 'id' will extend {@link
* xPDOSimpleObject} automatically.
* @param string $tablePrefix The table prefix for the current connection,
* which will be removed from all of the generated class and table names.
* Specify a prefix when creating a new {@link xPDO} instance to recreate
* the tables with the same prefix, but still use the generic class names.
* @param boolean $restrictPrefix Only reverse-engineer tables that have the
* specified tablePrefix; if tablePrefix is empty, this is ignored.
* @return boolean True on success, false on failure.
*/
public function writeSchema($schemaFile, $package= '', $baseClass= '', $tablePrefix= '', $restrictPrefix= false) {
if (empty ($package))
$package= $this->manager->xpdo->package;
if (empty ($baseClass))
$baseClass= 'xPDOObject';
if (empty ($tablePrefix))
$tablePrefix= $this->manager->xpdo->config[xPDO::OPT_TABLE_PREFIX];
$xmlContent = array();
$xmlContent[] = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>";
$xmlContent[] = "<model package=\"{$package}\" baseClass=\"{$baseClass}\" platform=\"sqlsrv\">";
//read list of tables
$tableLike= ($tablePrefix && $restrictPrefix);
if ($tableLike) {
$tablesStmt= $this->manager->xpdo->query("SELECT * FROM sys.Tables WHERE name LIKE '{$tablePrefix}%' ORDER BY name");
} else {
$tablesStmt= $this->manager->xpdo->query("SELECT * FROM sys.Tables ORDER BY name");
}
$tables= $tablesStmt->fetchAll(PDO::FETCH_NUM);
if ($this->manager->xpdo->getDebug() === true) $this->manager->xpdo->log(xPDO::LOG_LEVEL_DEBUG, print_r($tables, true));
foreach ($tables as $table) {
$xmlObject= array();
$xmlFields= array();
$xmlIndices= array();
if (!$tableName= $this->getTableName($table[0], $tablePrefix, $restrictPrefix)) {
continue;
}
$class= $this->getClassName($tableName);
$extends= $baseClass;
$fieldsStmt= $this->manager->xpdo->query("SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = '{$tableName}'");
$fields= $fieldsStmt->fetchAll(PDO::FETCH_ASSOC);
if ($this->manager->xpdo->getDebug() === true) $this->manager->xpdo->log(xPDO::LOG_LEVEL_DEBUG, "Fields for table {$table[0]}: " . print_r($fields, true));
$cid = 0;
foreach ($fields as $field) {
$name = '';
$type = '';
$notnull = 0;
$dflt_value = null;
$pk = 0;
extract($field, EXTR_OVERWRITE);
$Field= $name;
$PhpType= $this->manager->getPhpType($type);
$Null= ' null="' . ($notnull ? 'false' : 'true') . '"';
$Default= $this->getDefault($dflt_value);
$Extra= '';
if (!empty($pk)) {
if (preg_match('/INT/i', $type)) {
if ($baseClass === 'xPDOObject' && $Field === 'id') {
$extends= 'xPDOSimpleObject';
continue;
} elseif ($cid == 0) {
$Extra= ' generated="native"';
}
}
$Key = ' index="pk"';
} else {
$Key = $this->getIndex($field);
}
$xmlFields[]= "\t\t<field key=\"{$Field}\" dbtype=\"{$type}\" phptype=\"{$PhpType}\"{$Null}{$Default}{$Key}{$Extra} />";
$cid++;
}
$indicesStmt= $this->manager->xpdo->query("PRAGMA index_list({$table[0]})");
$indices= $indicesStmt->fetchAll(PDO::FETCH_ASSOC);
if ($this->manager->xpdo->getDebug() === true) $this->manager->xpdo->log(xPDO::LOG_LEVEL_DEBUG, "Indices for table {$table[0]}: " . print_r($indices, true));
foreach ($indices as $index) {
$primary = preg_match('/^sqlite_autoindex/', $index['name']) ? 'true' : 'false';
$unique = !empty($index['unique']) ? 'true' : 'false';
$xmlIndices[]= "\t\t<index alias=\"{$index['name']}\" name=\"{$index['name']}\" primary=\"{$primary}\" unique=\"{$unique}\">";
$columnsStmt = $this->manager->xpdo->query("PRAGMA index_info({$index['name']})");
$columns = $columnsStmt->fetchAll(PDO::FETCH_ASSOC);
if ($this->manager->xpdo->getDebug() === true) $this->manager->xpdo->log(xPDO::LOG_LEVEL_DEBUG, "Columns of index {$index['name']}: " . print_r($columns, true));
foreach ($columns as $column) {
$xmlIndices[]= "\t\t\t<column key=\"{$column['name']}\" />";
}
$xmlIndices[]= "\t\t</index>";
}
$xmlObject[] = "\t<object class=\"{$class}\" table=\"{$tableName}\" extends=\"{$extends}\">";
$xmlObject[] = implode("\n", $xmlFields);
if (!empty($xmlIndices)) {
$xmlObject[] = '';
$xmlObject[] = implode("\n", $xmlIndices);
}
$xmlObject[] = "\t</object>";
$xmlContent[] = implode("\n", $xmlObject);
}
$xmlContent[] = "</model>";
if ($this->manager->xpdo->getDebug() === true) {
$this->manager->xpdo->log(xPDO::LOG_LEVEL_DEBUG, implode("\n", $xmlContent));
}
$file= fopen($schemaFile, 'wb');
$written= fwrite($file, implode("\n", $xmlContent));
fclose($file);
return true;
}
}