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https://github.com/atlanticbiomedical/portal-legacy.git
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720 lines
21 KiB
PHP
Executable File
720 lines
21 KiB
PHP
Executable File
<?php
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/*
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* This file is part of the symfony package.
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* (c) 2004-2006 Fabien Potencier <fabien.potencier@symfony-project.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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/**
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*
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* @package symfony
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* @subpackage addon
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* @author Fabien Potencier <fabien.potencier@symfony-project.com>
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* @author François Zaninotto <francois.zaninotto@symfony-project.com>
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* @version SVN: $Id$
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*/
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class sfPropelDatabaseSchema
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{
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protected $connection_name = '';
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protected $database = array();
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public function asArray()
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{
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return array($this->connection_name => $this->database);
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}
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public function loadYAML($file)
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{
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$schema = sfYaml::load($file);
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if (count($schema) > 1)
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{
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throw new sfException('A schema.yml must only contain 1 database entry.');
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}
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$tmp = array_keys($schema);
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$this->connection_name = array_shift($tmp);
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if ($this->connection_name)
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{
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$this->database = $schema[$this->connection_name];
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$this->fixYAMLDatabase();
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$this->fixYAMLI18n();
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$this->fixYAMLColumns();
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}
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}
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public function asXML()
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{
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$xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
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$xml .= "<database name=\"$this->connection_name\"".$this->getAttributesFor($this->database).">\n";
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// tables
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foreach ($this->getChildren($this->database) as $tb_name => $table)
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{
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$xml .= "\n <table name=\"$tb_name\"".$this->getAttributesFor($table).">\n";
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// columns
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foreach ($this->getChildren($table) as $col_name => $column)
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{
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$xml .= " <column name=\"$col_name\"".$this->getAttributesForColumn($tb_name, $col_name, $column);
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}
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// indexes
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if (isset($table['_indexes']))
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{
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foreach ($table['_indexes'] as $index_name => $index)
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{
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$xml .= " <index name=\"$index_name\">\n";
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foreach ($index as $index_column)
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{
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$xml .= " <index-column name=\"$index_column\" />\n";
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}
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$xml .= " </index>\n";
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}
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}
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// uniques
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if (isset($table['_uniques']))
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{
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foreach ($table['_uniques'] as $unique_name => $index)
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{
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$xml .= " <unique name=\"$unique_name\">\n";
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foreach ($index as $unique_column)
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{
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$xml .= " <unique-column name=\"$unique_column\" />\n";
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}
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$xml .= " </unique>\n";
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}
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}
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// foreign-keys
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if (isset($table['_foreignKeys']))
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{
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foreach ($table['_foreignKeys'] as $fkey_name => $fkey)
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{
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$xml .= " <foreign-key foreignTable=\"$fkey[foreignTable]\"";
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// foreign key name
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if (!is_numeric($fkey_name))
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{
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$xml .= " name=\"$fkey_name\"";
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}
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// onDelete
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if (isset($fkey['onDelete']))
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{
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$xml .= " onDelete=\"$fkey[onDelete]\"";
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}
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// onUpdate
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if (isset($fkey['onUpdate']))
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{
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$xml .= " onUpdate=\"$fkey[onUpdate]\"";
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}
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$xml .= ">\n";
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// references
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if (isset($fkey['references']))
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{
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foreach ($fkey['references'] as $reference)
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{
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$xml .= " <reference local=\"$reference[local]\" foreign=\"$reference[foreign]\" />\n";
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}
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}
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$xml .= " </foreign-key>\n";
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}
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}
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$xml .= " </table>\n";
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}
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$xml .= "\n</database>\n";
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return $xml;
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}
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protected function fixYAMLDatabase()
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{
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if (!isset($this->database['_attributes']))
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{
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$this->database['_attributes'] = array();
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}
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// conventions for database attributes
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$this->setIfNotSet($this->database['_attributes'], 'defaultIdMethod', 'native');
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$this->setIfNotSet($this->database['_attributes'], 'noXsd', true);
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$this->setIfNotSet($this->database['_attributes'], 'package', 'lib.model');
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}
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protected function fixYAMLI18n()
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{
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foreach ($this->getTables() as $i18n_table => $columns)
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{
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$pos = strpos($i18n_table, '_i18n');
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$has_primary_key = false;
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foreach ($columns as $column => $attributes)
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{
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if (is_array($attributes) && array_key_exists('primaryKey', $attributes))
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{
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$has_primary_key = true;
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}
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}
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if ($pos > 0 && $pos == strlen($i18n_table) - 5 && !$has_primary_key)
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{
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// i18n table without primary key
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$main_table = $this->findTable(substr($i18n_table, 0, $pos));
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if ($main_table)
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{
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// set i18n attributes for main table
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$this->setIfNotSet($this->database[$main_table]['_attributes'], 'isI18N', 1);
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$this->setIfNotSet($this->database[$main_table]['_attributes'], 'i18nTable', $i18n_table);
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// set id and culture columns for i18n table
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$this->setIfNotSet($this->database[$i18n_table], 'id', array(
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'type' => 'integer',
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'required' => true,
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'primaryKey' => true,
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'foreignTable' => $main_table,
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'foreignReference' => 'id',
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'onDelete' => 'cascade'
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));
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$this->setIfNotSet($this->database[$i18n_table], 'culture', array(
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'isCulture' => true,
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'type' => 'varchar',
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'size' => '7',
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'required' => true,
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'primaryKey' => true
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));
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}
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else
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{
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throw new sfException(sprintf('Missing main table for internationalized table "%s".', $i18n_table));
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}
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}
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}
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}
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protected function fixYAMLColumns()
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{
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foreach ($this->getTables() as $table => $columns)
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{
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$has_primary_key = false;
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foreach ($columns as $column => $attributes)
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{
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if ($attributes == null)
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{
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// conventions for null attributes
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if ($column == 'created_at' || $column == 'updated_at')
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{
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// timestamp convention
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$this->database[$table][$column]['type']= 'timestamp';
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}
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if ($column == 'id')
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{
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// primary key convention
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$this->database[$table]['id'] = array(
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'type' => 'integer',
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'required' => true,
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'primaryKey' => true,
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'autoincrement' => true
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);
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$has_primary_key = true;
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}
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$pos = strpos($column, '_id');
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if ($pos > 0 && $pos == strlen($column) - 3)
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{
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// foreign key convention
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$foreign_table = $this->findTable(substr($column, 0, $pos));
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if ($foreign_table)
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{
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$this->database[$table][$column] = array(
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'type' => 'integer',
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'foreignTable' => $foreign_table,
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'foreignReference' => 'id'
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);
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}
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else
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{
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throw new sfException(sprintf('Unable to resolve foreign table for column "%s"', $column));
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}
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}
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}
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else
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{
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if (!is_array($attributes))
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{
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// compact type given as single attribute
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$this->database[$table][$column] = $this->getAttributesFromCompactType($attributes);
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}
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else
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{
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if (isset($attributes['type']))
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{
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// compact type given as value of the type attribute
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$this->database[$table][$column] = array_merge($this->database[$table][$column], $this->getAttributesFromCompactType($attributes['type']));
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}
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if (isset($attributes['primaryKey']))
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{
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$has_primary_key = true;
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}
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}
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}
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}
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if (!$has_primary_key)
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{
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// convention for tables without primary key
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$this->database[$table]['id'] = array(
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'type' => 'integer',
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'required' => true,
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'primaryKey' => true,
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'autoincrement' => true
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);
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}
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}
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}
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protected function getAttributesFromCompactType($type)
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{
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preg_match('/varchar\(([\d]+)\)/', $type, $matches);
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if (isset($matches[1]))
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{
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return array('type' => 'varchar', 'size' => $matches[1]);
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}
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else
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{
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return array('type' => $type);
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}
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}
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protected function setIfNotSet(&$entry, $key, $value)
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{
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if (!isset($entry[$key]))
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{
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$entry[$key] = $value;
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}
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}
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protected function findTable($table_name)
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{
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// find a table from a phpName or a name
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$table_match = false;
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foreach ($this->getTables() as $tb_name => $table)
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{
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if ((isset($table['_attributes']['phpName']) && $table['_attributes']['phpName'] == sfInflector::camelize($table_name)) || ($tb_name == $table_name))
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{
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$table_match = $tb_name;
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}
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}
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return $table_match;
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}
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protected function getAttributesForColumn($tb_name, $col_name, $column)
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{
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$attributes_string = '';
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if (is_array($column))
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{
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foreach ($column as $key => $value)
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{
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if (!in_array($key, array('foreignTable', 'foreignReference', 'onDelete', 'onUpdate', 'index', 'unique')))
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{
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$attributes_string .= " $key=\"".htmlspecialchars($this->getCorrectValueFor($key, $value))."\"";
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}
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}
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$attributes_string .= " />\n";
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}
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else
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{
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throw new sfException('Incorrect settings for column '.$col_name);
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}
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// conventions for foreign key attributes
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if (is_array($column) && isset($column['foreignTable']))
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{
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$attributes_string .= " <foreign-key foreignTable=\"$column[foreignTable]\"";
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if (isset($column['onDelete']))
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{
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$attributes_string .= " onDelete=\"$column[onDelete]\"";
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}
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if (isset($column['onUpdate']))
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{
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$attributes_string .= " onUpdate=\"$column[onUpdate]\"";
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}
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$attributes_string .= ">\n";
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$attributes_string .= " <reference local=\"$col_name\" foreign=\"$column[foreignReference]\" />\n";
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$attributes_string .= " </foreign-key>\n";
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}
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// conventions for index and unique index attributes
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if (is_array($column) && isset($column['index']))
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{
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if ($column['index'] === 'unique')
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{
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$attributes_string .= " <unique name=\"${tb_name}_${col_name}_unique\">\n";
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$attributes_string .= " <unique-column name=\"$col_name\" />\n";
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$attributes_string .= " </unique>\n";
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}
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else
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{
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$attributes_string .= " <index name=\"${tb_name}_${col_name}_index\">\n";
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$attributes_string .= " <index-column name=\"$col_name\" />\n";
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$attributes_string .= " </index>\n";
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}
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}
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// conventions for sequence name attributes
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// required for databases using sequences for auto-increment columns (e.g. PostgreSQL or Oracle)
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if (is_array($column) && isset($column['sequence']))
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{
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$attributes_string .= " <id-method-parameter value=\"$column[sequence]\" />\n";
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}
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return $attributes_string;
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}
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protected function getAttributesFor($tag)
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{
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if (!isset($tag['_attributes']))
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{
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return '';
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}
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$attributes = $tag['_attributes'];
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$attributes_string = '';
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foreach ($attributes as $key => $value)
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{
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$attributes_string .= ' '.$key.'="'.htmlspecialchars($this->getCorrectValueFor($key, $value)).'"';
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}
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return $attributes_string;
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}
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protected function getCorrectValueFor($key, $value)
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{
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$booleans = array('required', 'primaryKey', 'autoincrement', 'autoIncrement', 'noXsd', 'isI18N', 'isCulture');
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if (in_array($key, $booleans))
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{
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return $value == 1 ? 'true' : 'false';
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}
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else
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{
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return is_null($value) ? 'null' : $value;
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}
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}
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public function getTables()
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{
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return $this->getChildren($this->database);
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}
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public function getChildren($hash)
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{
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foreach ($hash as $key => $value)
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{
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// ignore special children (starting with _)
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if ($key[0] == '_')
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{
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unset($hash[$key]);
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}
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}
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return $hash;
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}
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public function loadXML($file)
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{
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$schema = simplexml_load_file($file);
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$database = array();
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// database
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list($database_name, $database_attributes) = $this->getNameAndAttributes($schema->attributes());
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if ($database_name)
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{
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$this->connection_name = $database_name;
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}
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else
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{
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throw new sfException('The database tag misses a name attribute');
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}
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if ($database_attributes)
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{
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$database['_attributes'] = $database_attributes;
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}
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// tables
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foreach ($schema as $table)
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{
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list($table_name, $table_attributes) = $this->getNameAndAttributes($table->attributes());
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if ($table_name)
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{
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$database[$table_name] = array();
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}
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else
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{
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throw new sfException('A table tag misses the name attribute');
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}
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if ($table_attributes)
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{
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$database[$table_name]['_attributes'] = $table_attributes;
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}
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// columns
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foreach ($table->xpath('column') as $column)
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{
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list($column_name, $column_attributes) = $this->getNameAndAttributes($column->attributes());
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if ($column_name)
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{
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$database[$table_name][$column_name] = $column_attributes;
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}
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else
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{
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throw new sfException('A column tag misses the name attribute');
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}
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}
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// foreign-keys
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$database[$table_name]['_foreign_keys'] = array();
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foreach ($table->xpath('foreign-key') as $foreign_key)
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{
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$foreign_key_table = array();
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// foreign key attributes
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if (isset($foreign_key['foreignTable']))
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{
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$foreign_key_table['foreign_table'] = (string) $foreign_key['foreignTable'];
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}
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else
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{
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throw new sfException('A foreign key misses the foreignTable attribute');
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}
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if (isset($foreign_key['onDelete']))
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{
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$foreign_key_table['on_delete'] = (string) $foreign_key['onDelete'];
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}
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if (isset($foreign_key['onUpdate']))
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{
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$foreign_key_table['on_update'] = (string) $foreign_key['onUpdate'];
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}
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// foreign key references
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$foreign_key_table['references'] = array();
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foreach ($foreign_key->xpath('reference') as $reference)
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{
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$reference_attributes = array();
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foreach ($reference->attributes() as $reference_attribute_name => $reference_attribute_value)
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{
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$reference_attributes[$reference_attribute_name] = strval($reference_attribute_value);
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}
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$foreign_key_table['references'][] = $reference_attributes;
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}
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if (isset($foreign_key['name']))
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{
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$database[$table_name]['_foreign_keys'][(string)$foreign_key['name']] = $foreign_key_table;
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}
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else
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{
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$database[$table_name]['_foreign_keys'][] = $foreign_key_table;
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}
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}
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$this->removeEmptyKey($database[$table_name], '_foreign_keys');
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// indexes
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$database[$table_name]['_indexes'] = array();
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foreach ($table->xpath('index') as $index)
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{
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$index_keys = array();
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foreach ($index->xpath('index-column') as $index_key)
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{
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$index_keys[] = strval($index_key['name']);
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}
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$database[$table_name]['_indexes'][strval($index['name'])] = $index_keys;
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}
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$this->removeEmptyKey($database[$table_name], '_indexes');
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// unique indexes
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$database[$table_name]['_uniques'] = array();
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foreach ($table->xpath('unique') as $index)
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{
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$unique_keys = array();
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foreach ($index->xpath('unique-column') as $unique_key)
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{
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$unique_keys[] = strval($unique_key['name']);
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}
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$database[$table_name]['_uniques'][strval($index['name'])] = $unique_keys;
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}
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$this->removeEmptyKey($database[$table_name], '_uniques');
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}
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$this->database = $database;
|
|
|
|
$this->fixXML();
|
|
}
|
|
|
|
public function fixXML()
|
|
{
|
|
$this->fixXMLForeignKeys();
|
|
$this->fixXMLIndexes();
|
|
// $this->fixXMLColumns();
|
|
}
|
|
|
|
protected function fixXMLForeignKeys()
|
|
{
|
|
foreach ($this->getTables() as $table => $columns)
|
|
{
|
|
if (isset($this->database[$table]['_foreign_keys']))
|
|
{
|
|
$foreign_keys = $this->database[$table]['_foreign_keys'];
|
|
foreach ($foreign_keys as $foreign_key_name => $foreign_key_attributes)
|
|
{
|
|
// Only single foreign keys can be simplified
|
|
if (count($foreign_key_attributes['references']) == 1)
|
|
{
|
|
$reference = $foreign_key_attributes['references'][0];
|
|
|
|
// set simple foreign key
|
|
$this->database[$table][$reference['local']]['foreignTable'] = $foreign_key_attributes['foreign_table'];
|
|
$this->database[$table][$reference['local']]['foreignReference'] = $reference['foreign'];
|
|
if (isset($foreign_key_attributes['on_delete']))
|
|
{
|
|
$this->database[$table][$reference['local']]['onDelete'] = $foreign_key_attributes['on_delete'];
|
|
}
|
|
if (isset($foreign_key_attributes['on_update']))
|
|
{
|
|
$this->database[$table][$reference['local']]['onUpdate'] = $foreign_key_attributes['on_update'];
|
|
}
|
|
|
|
// remove complex foreign key
|
|
unset($this->database[$table]['_foreign_keys'][$foreign_key_name]);
|
|
}
|
|
|
|
$this->removeEmptyKey($this->database[$table], '_foreign_keys');
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
protected function fixXMLIndexes()
|
|
{
|
|
foreach ($this->getTables() as $table => $columns)
|
|
{
|
|
if (isset($this->database[$table]['_indexes']))
|
|
{
|
|
$indexes = $this->database[$table]['_indexes'];
|
|
foreach ($indexes as $index => $references)
|
|
{
|
|
// Only single indexes can be simplified
|
|
if (count($references) == 1 && array_key_exists(substr($index, 0, strlen($index) - 6), $columns))
|
|
{
|
|
$reference = $references[0];
|
|
|
|
// set simple index
|
|
$this->database[$table][$reference]['index'] = 'true';
|
|
|
|
// remove complex index
|
|
unset($this->database[$table]['_indexes'][$index]);
|
|
}
|
|
|
|
$this->removeEmptyKey($this->database[$table], '_indexes');
|
|
}
|
|
}
|
|
if (isset($this->database[$table]['_uniques']))
|
|
{
|
|
$uniques = $this->database[$table]['_uniques'];
|
|
foreach ($uniques as $index => $references)
|
|
{
|
|
// Only single unique indexes can be simplified
|
|
if (count($references) == 1 && array_key_exists(substr($index, 0, strlen($index) - 7), $columns))
|
|
{
|
|
$reference = $references[0];
|
|
|
|
// set simple index
|
|
$this->database[$table][$reference]['index'] = 'unique';
|
|
|
|
// remove complex unique index
|
|
unset($this->database[$table]['_uniques'][$index]);
|
|
}
|
|
|
|
$this->removeEmptyKey($this->database[$table], '_uniques');
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
protected function fixXMLColumns()
|
|
{
|
|
foreach ($this->getTables() as $table => $columns)
|
|
{
|
|
foreach ($columns as $column => $attributes)
|
|
{
|
|
if ($column == 'id' && !array_diff($attributes, array('type' => 'integer', 'required' => 'true', 'primaryKey' => 'true', 'autoincrement' => 'true')))
|
|
{
|
|
// simplify primary keys
|
|
$this->database[$table]['id'] = null;
|
|
}
|
|
|
|
if (($column == 'created_at') || ($column == 'updated_at') && !array_diff($attributes, array('type' => 'timestamp')))
|
|
{
|
|
// simplify timestamps
|
|
$this->database[$table][$column] = null;
|
|
}
|
|
|
|
$pos = strpos($column, '_id');
|
|
$has_fk_name = $pos > 0 && $pos == strlen($column) - 3;
|
|
$is_foreign_key = isset($attributes['type']) && $attributes['type'] == 'integer' && isset($attributes['foreignReference']) && $attributes['foreignReference'] == 'id';
|
|
$has_foreign_table = isset($attributes['foreignTable']) && array_key_exists($attributes['foreignTable'], $this->getTables());
|
|
$has_other_attribute = isset($attributes['onDelete']);
|
|
if ($has_fk_name && $has_foreign_table && $is_foreign_key && !$has_other_attribute)
|
|
{
|
|
// simplify foreign key
|
|
$this->database[$table][$column] = null;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
public function asYAML()
|
|
{
|
|
return sfYaml::dump(array($this->connection_name => $this->database));
|
|
}
|
|
|
|
protected function getNameAndAttributes($hash, $name_attribute = 'name')
|
|
{
|
|
// tag name
|
|
$name = '';
|
|
if (isset($hash[$name_attribute]))
|
|
{
|
|
$name = strval($hash[$name_attribute]);
|
|
unset($hash[$name_attribute]);
|
|
}
|
|
|
|
// tag attributes
|
|
$attributes = array();
|
|
foreach ($hash as $attribute => $value)
|
|
{
|
|
$attributes[$attribute] = strval($value);
|
|
}
|
|
|
|
return array($name, $attributes);
|
|
}
|
|
|
|
protected function removeEmptyKey(&$hash, $key)
|
|
{
|
|
if (isset($hash[$key]) && !$hash[$key])
|
|
{
|
|
unset($hash[$key]);
|
|
}
|
|
}
|
|
}
|