forked from extern/egroupware
561 lines
15 KiB
PHP
561 lines
15 KiB
PHP
<?php
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/**************************************************************************\
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* phpGroupWare - eTemplates - DB-Tools *
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* http://www.phpgroupware.org *
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* Written by Ralf Becker <RalfBecker@outdoor-training.de> *
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* -------------------------------------------- *
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* This program is free software; you can redistribute it and/or modify it *
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* under the terms of the GNU General Public License as published by the *
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* Free Software Foundation; either version 2 of the License, or (at your *
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* option) any later version. *
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\**************************************************************************/
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/* $Id$ */
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class db_tools
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{
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var $public_functions = array
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(
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'edit' => True,
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'needs_save' => True,
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'writeLangFile'=> True,
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//'admin' => True,
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//'preferences' => True
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);
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var $debug = 0;
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var $editor; // editor eTemplate
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var $data; // Table definitions
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var $app; // used app
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var $table; // used table
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var $messages = array(
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'not_found' => 'Not found !!!',
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'select_one' => 'Select one ...',
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'writen' => 'File writen',
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'error_writing' => 'Error: writing file (no write-permission for the webserver) !!!',
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'give_table_name' => 'Please enter table-name first !!!',
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'new_table' => 'New table created',
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'select_app' => 'Select an app first !!!'
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);
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var $types = array(
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'auto' => 'auto',
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'blob' => 'blob',
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'char' => 'char',
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'date' => 'date',
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'decimal' => 'decimal',
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'float' => 'float',
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'int' => 'int',
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'longtext' => 'longtext',
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'text' => 'text',
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'timestamp' => 'timestamp',
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'varchar' => 'varchar'
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);
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/*!
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@function db_tools()
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@abstract constructor of class
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*/
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function db_tools($lang_on_messages=True)
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{
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$this->editor = CreateObject('etemplate.etemplate','etemplate.db-tools.edit');
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$this->data = array();
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if (!is_array($GLOBALS['phpgw_info']['apps']) || !count($GLOBALS['phpgw_info']['apps']))
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{
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ExecMethod('phpgwapi.applications.read_installed_apps');
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}
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$this->apps = array();
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reset($GLOBALS['phpgw_info']['apps']);
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while (list($name,$data) = each($GLOBALS['phpgw_info']['apps']))
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{
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$this->apps[$name] = $data['title'];
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}
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if ($lang_on_messages)
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{
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reset($this->messages);
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while(list($key,$msg) = each($this->messages))
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$this->messages[$key] = lang($msg);
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}
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}
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/*!
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@function edit($content='',$msg='')
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@abstract this is the table editor (and the callback/submit-method too)
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*/
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function edit($content='',$msg = '')
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{
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if (isset($GLOBALS['HTTP_GET_VARS']['app']))
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{
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$this->app = $GLOBALS['HTTP_GET_VARS']['app'];
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}
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if (is_array($content))
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{
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if ($this->debug)
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{
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echo "content ="; _debug_array($content);
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}
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$this->app = $content['app']; // this is what the user selected
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$this->table = $content['table_name'];
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$posted_app = $content['posted_app']; // this is the old selection
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$posted_table = $content['posted_table'];
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}
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if ($posted_app && $posted_table && // user changed app or table
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($posted_app != $this->app || $posted_table != $this->table))
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{
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if ($this->needs_save('',$posted_app,$posted_table,$this->content2table($content)))
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{
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return;
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}
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}
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if (!$this->app)
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{
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$this->table = '';
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$table_names = array('' => lang('none'));
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}
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else
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{
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$this->read($this->app,$this->data);
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for (reset($this->data); list($name,$table) = each($this->data); )
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{
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$table_names[$name] = $name;
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}
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}
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if (!$this->table || $this->app != $posted_app)
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{
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reset($this->data);
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list($this->table) = each($this->data); // use first table
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}
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elseif ($this->app == $posted_app && $posted_table)
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{
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$this->data[$posted_table] = $this->content2table($content);
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}
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if (isset($content['write_tables']))
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{
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$msg .= $this->messages[$this->write($this->app,$this->data) ?
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'writen' : 'error_writing'];
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}
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elseif (isset($content['delete']))
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{
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list($col) = each($content['delete']);
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reset($this->data[$posted_table]['fd']);
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while ($col-- > 0 && list($key,$data) = each($this->data[$posted_table]['fd'])) ;
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unset($this->data[$posted_table]['fd'][$key]);
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}
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elseif (isset($content['add_column']))
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{
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$this->data[$posted_table]['fd'][''] = array();
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}
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elseif ($content['add_table'] || $content['import'])
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{
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if (!$this->app)
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{
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$msg .= $this->messages['select_app'];
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}
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elseif (!$content['new_table_name'])
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{
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$msg .= $this->messages['give_table_name'];
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}
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elseif ($content['add_table'])
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{
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$this->table = $content['new_table_name'];
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$this->data[$this->table] = array('fd' => array(),'pk' =>array(),'ix' => array(),'uc' => array(),'fk' => array());
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$msg .= $this->messages['new_table'];
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}
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else // import
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{
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$oProc = CreateObject('setup.schema_proc','mysql');
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$oProc->m_odb = $GLOBALS['phpgw']->db;
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$oProc->m_oTranslator->_GetColumns($oProc,$content['new_table_name'],$nul);
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while (list($key,$tbldata) = each ($oProc->m_oTranslator->sCol))
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{
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$cols .= $tbldata;
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}
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eval('$cols = array('. $cols . ');');
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$this->data[$this->table = $content['new_table_name']] = array(
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'fd' => $cols,
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'pk' => $oProc->m_oTranslator->pk,
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'fk' => $oProc->m_oTranslator->fk,
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'ix' => $oProc->m_oTranslator->ix,
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'uc' => $oProc->m_oTranslator->uc
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);
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}
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}
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elseif ($content['editor'])
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{
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ExecMethod('etemplate.editor.edit');
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return;
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}
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// from here on, filling new content for eTemplate
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$content = array(
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'msg' => $msg,
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'table_name' => $this->table,
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'app' => $this->app,
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);
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if (!isset($table_names[$this->table])) // table is not jet written
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{
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$table_names[$this->table] = $this->table;
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}
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$sel_options = array(
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'table_name' => $table_names,
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'type' => $this->types,
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'app' => array('' => $this->messages['select_one']) + $this->apps
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);
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if ($this->table != '' && isset($this->data[$this->table]))
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{
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$content += $this->table2content($this->data[$this->table]);
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}
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$no_button = array( );
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if (!$this->app || !$this->table)
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{
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$no_button += array('write_tables' => True);
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}
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if ($this->debug)
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{
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echo 'editor.edit: content ='; _debug_array($content);
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}
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$this->editor->exec('etemplate.db_tools.edit',$content,$sel_options,$no_button,
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array('posted_table' => $this->table,'posted_app' => $this->app));
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}
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/*!
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@function needs_save($cont='',$posted_app='',$posted_table='',$edited_table='')
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@abstract checks if table was changed and if so offers user to save changes
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@param $cont the content of the form (if called by process_exec)
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@param $posted_app the app the table is from
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@param $posted_table the table-name
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@param $edited_table the edited table-definitions
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@returns only if no changes
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*/
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function needs_save($cont='',$posted_app='',$posted_table='',$edited_table='')
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{
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if (!$posted_app && is_array($cont))
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{
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if (isset($cont['yes']))
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{
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$this->app = $cont['app'];
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$this->table = $cont['table'];
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$this->read($this->app,$this->data);
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$this->data[$this->table] = $cont['edited_table'];
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$this->write($this->app,$this->data);
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$msg .= $this->messages[$this->write($this->app,$this->data) ?
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'writen' : 'error_writing'];
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}
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// return to edit with everything set, so the user gets the table he asked for
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$this->edit(array(
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'app' => $cont['new_app'],
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'table_name' => $cont['app']==$cont['new_app'] ? $cont['new_table'] : '',
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'posted_app' => $cont['new_app']
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),$msg);
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return True;
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}
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$new_app = $this->app; // these are the ones, the users whiches to change too
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$new_table = $this->table;
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$this->app = $posted_app;
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$this->data = array();
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$this->read($posted_app,$this->data);
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if (isset($this->data[$posted_table]) &&
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$this->tables_identical($this->data[$posted_table],$edited_table))
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{
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$this->app = $new_app;
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$this->data = array();
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return False; // continue edit
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}
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$content = array(
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'app' => $posted_app,
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'table' => $posted_table
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);
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$preserv = $content + array(
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'new_app' => $new_app,
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'new_table' => $new_table,
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'edited_table' => $edited_table
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);
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$tmpl = new etemplate('etemplate.db-tools.ask_save');
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$tmpl->exec('etemplate.db_tools.needs_save',$content,array(),array(),$preserv);
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return True; // dont continue in edit
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}
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/*!
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@function table2content($table)
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@abstract creates content-array from a $table
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@param $table table-definition, eg. $phpgw_baseline[$table_name]
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@returns content-array
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*/
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function table2content($table)
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{
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$content = array();
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for ($n = 1; list($col_name,$col_defs) = each($table['fd']); ++$n)
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{
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$col_defs['name'] = $col_name;
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$col_defs['pk'] = in_array($col_name,$table['pk']);
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$col_defs['uc'] = in_array($col_name,$table['uc']);
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$col_defs['ix'] = in_array($col_name,$table['ix']);
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$col_defs['fk'] = $table['fk'][$col_name];
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if (isset($col_defs['default']) && $col_defs['default'] == '')
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{
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$col_defs['default'] = "''"; // spezial value for empty, but set, default
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}
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$col_defs['n'] = $n;
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$content["Row$n"] = $col_defs;
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}
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if ($this->debug >= 3)
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{
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echo "<p>table2content: content ="; _debug_array($content);
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}
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return $content;
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}
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/*!
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@function content2table($content)
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@abstract creates table-definition from posted content
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@param $content posted content-array
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@returns table-definition
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*/
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function content2table($content)
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{
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$table = array();
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$table['fd'] = array(); // do it in the default order of tables_*
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$table['pk'] = array();
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$table['fk'] = array();
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$table['ix'] = array();
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$table['uc'] = array();
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for (reset($content),$n = 1; isset($content["Row$n"]); ++$n)
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{
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$col = $content["Row$n"];
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if (($name = $col['name']) != '') // ignoring lines without column-name
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{
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while (list($prop,$val) = each($col))
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{
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switch ($prop)
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{
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case 'default':
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case 'type': // selectbox ensures type is not empty
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case 'precision':
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case 'scale':
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case 'nullable':
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if ($val != '' || $prop == 'nullable')
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{
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$table['fd'][$name][$prop] = $prop=='default'&& $val=="''" ? '' : $val;
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}
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break;
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case 'pk':
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case 'uc':
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case 'ix':
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if ($val)
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{
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$table[$prop][] = $name;
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}
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break;
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case 'fk':
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if ($val != '')
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{
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$table['fk'][$name] = $val;
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}
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break;
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}
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}
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}
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}
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if ($this->debug >= 2)
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{
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echo "<p>content2table: table ="; _debug_array($table);
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}
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return $table;
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}
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/*!
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@function read($app,&$phpgw_baseline)
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@abstract includes $app/setup/tables_current.inc.php
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@param $app application name
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@param $phpgw_baseline where to put the data
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@returns True if file found, False else
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*/
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function read($app,&$phpgw_baseline)
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{
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$file = PHPGW_SERVER_ROOT."/$app/setup/tables_current.inc.php";
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$phpgw_baseline = array();
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if ($app != '' && file_exists($file))
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{
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include($file);
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}
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else
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{
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return False;
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}
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if ($this->debug >= 5)
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{
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echo "<p>read($app): file='$file', phpgw_baseline =";
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_debug_array($phpgw_baseline);
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}
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return True;
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}
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function write_array($arr,$depth,$parent='')
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{
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if (in_array($parent,array('pk','fk','ix','uc')))
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{
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$depth = 0;
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if ($parent != 'fk')
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{
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$only_vals = True;
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}
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}
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if ($depth)
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{
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$tabs = "\n";
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for ($n = 0; $n < $depth; ++$n)
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{
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$tabs .= "\t";
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}
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++$depth;
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}
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$def = "array($tabs".($tabs ? "\t" : '');
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reset($arr);
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for ($n = 0; list($key,$val) = each($arr); ++$n)
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{
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if (!$only_vals)
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{
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$def .= "'$key' => ";
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}
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if (is_array($val))
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{
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$def .= $this->write_array($val,$parent == 'fd' ? 0 : $depth,$key,$only_vals);
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}
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else
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{
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if (!$only_vals && $key == 'nullable')
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{
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$def .= $val ? 'True' : 'False';
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}
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else
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{
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$def .= "'$val'";
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}
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}
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if ($n < count($arr)-1)
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{
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$def .= ",$tabs".($tabs ? "\t" : '');
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}
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}
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$def .= "$tabs)";
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return $def;
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}
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/*!
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@function write($app,$phpgw_baseline)
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@abstract writes tabledefinitions $phpgw_baseline to file /$app/setup/tables_current.inc.php
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@param $app app-name
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@param $phpgw_baseline tabledefinitions
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@return True if file writen else False
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*/
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function write($app,$phpgw_baseline)
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{
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$file = PHPGW_SERVER_ROOT."/$app/setup/tables_current.inc.php";
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if (file_exists($file) && ($f = fopen($file,'r')))
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{
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$header = fread($f,filesize($file));
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$header = substr($header,0,strpos($header,'$phpgw_baseline'));
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fclose($f);
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if (is_writable(PHPGW_SERVER_ROOT."/$app/setup"))
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{
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rename($file,PHPGW_SERVER_ROOT."/$app/setup/tables_current.old.inc.php");
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}
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while ($header[strlen($header)-1] == "\t")
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{
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$header = substr($header,0,strlen($header)-1);
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}
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}
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if (!$header)
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{
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$header = "<?php\n\n";
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}
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if (!is_writeable(PHPGW_SERVER_ROOT."/$app/setup") || !($f = fopen($file,'w')))
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{
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return False;
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}
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$def .= "\t\$phpgw_baseline = ";
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$def .= $this->write_array($phpgw_baseline,1);
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$def .= ";\n";
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fwrite($f,$header . $def);
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fclose($f);
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return True;
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}
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/*!
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@function normalize($table)
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@abstract sets all nullable properties to True or False
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@returns the new array
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*/
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function normalize($table)
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{
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$all_props = array('type','precision','nullable','default');
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reset($table['fd']);
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while (list($col,$props) = each($table['fd']))
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{
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$table['fd'][$col] = array(
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'type' => ''.$props['type'],
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'precision' => 0+$props['precision'],
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'scale' => 0+$props['scale'],
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'nullable' => !!$props['nullable'],
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'default' => ''.$props['default']
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);
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}
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return array(
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'fd' => $table['fd'],
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'pk' => $table['pk'],
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'fk' => $table['fk'],
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'ix' => $table['ix'],
|
|
'uc' => $table['uc']
|
|
);
|
|
}
|
|
|
|
/*!
|
|
@function tables_identical($old,$new)
|
|
@abstract compares two table-definitions
|
|
@returns True if they are identical or False else
|
|
*/
|
|
function tables_identical($a,$b)
|
|
{
|
|
$a = serialize($this->normalize($a));
|
|
$b = serialize($this->normalize($b));
|
|
|
|
//echo "<p>checking if tables identical = ".($a == $b ? 'True' : 'False')."<br>\n";
|
|
//echo "a: $a<br>\nb: $b</p>\n";
|
|
|
|
return $a == $b;
|
|
}
|
|
|
|
/*!
|
|
@function writeLangFile
|
|
@abstract writes langfile with all templates and messages registered here
|
|
@discussion can be called via http://domain/phpgroupware/index.php?etemplate.db_tools.writeLangFile
|
|
*/
|
|
function writeLangFile()
|
|
{
|
|
$m = new db_tools(False); // no lang on messages
|
|
$this->editor->writeLangFile('etemplate','en',$m->messages);
|
|
}
|
|
};
|
|
|
|
|
|
|