+++ /dev/null
-<?php
-
-namespace RedBeanPHP\Repository;
-
-use RedBeanPHP\OODBBean as OODBBean;
-use RedBeanPHP\QueryWriter as QueryWriter;
-use RedBeanPHP\RedException as RedException;
-use RedBeanPHP\BeanHelper as BeanHelper;
-use RedBeanPHP\RedException\SQL as SQLException;
-use RedBeanPHP\Repository as Repository;
-
-/**
- * Fluid Repository.
- * OODB manages two repositories, a fluid one that
- * adjust the database schema on-the-fly to accomodate for
- * new bean types (tables) and new properties (columns) and
- * a frozen one for use in a production environment. OODB
- * allows you to swap the repository instances using the freeze()
- * method.
- *
- * @file RedBeanPHP/Repository/Fluid.php
- * @author Gabor de Mooij and the RedBeanPHP community
- * @license BSD/GPLv2
- *
- * @copyright
- * copyright (c) G.J.G.T. (Gabor) de Mooij and the RedBeanPHP Community
- * This source file is subject to the BSD/GPLv2 License that is bundled
- * with this source code in the file license.txt.
- */
-class Fluid extends Repository
-{
- /**
- * Figures out the desired type given the cast string ID.
- * Given a cast ID, this method will return the associated
- * type (INT(10) or VARCHAR for instance). The returned type
- * can be processed by the Query Writer to build the specified
- * column for you in the database. The Cast ID is actually just
- * a superset of the QueryWriter types. In addition to default
- * Query Writer column types you can pass the following 'cast types':
- * 'id' and 'string'. These will map to Query Writer specific
- * column types (probably INT and VARCHAR).
- *
- * @param string $cast cast identifier
- *
- * @return integer
- */
- private function getTypeFromCast( $cast )
- {
- if ( $cast == 'string' ) {
- $typeno = $this->writer->scanType( 'STRING' );
- } elseif ( $cast == 'id' ) {
- $typeno = $this->writer->getTypeForID();
- } elseif ( isset( $this->writer->sqltype_typeno[$cast] ) ) {
- $typeno = $this->writer->sqltype_typeno[$cast];
- } else {
- throw new RedException( 'Invalid Cast' );
- }
-
- return $typeno;
- }
-
- /**
- * Orders the Query Writer to create a table if it does not exist already and
- * adds a note in the build report about the creation.
- *
- * @param OODBBean $bean bean to update report of
- * @param string $table table to check and create if not exists
- *
- * @return void
- */
- private function createTableIfNotExists( OODBBean $bean, $table )
- {
- //Does table exist? If not, create
- if ( !$this->tableExists( $this->writer->esc( $table, TRUE ) ) ) {
- $this->writer->createTable( $table );
- $bean->setMeta( 'buildreport.flags.created', TRUE );
- }
- }
-
- /**
- * Modifies the table to fit the bean data.
- * Given a property and a value and the bean, this method will
- * adjust the table structure to fit the requirements of the property and value.
- * This may include adding a new column or widening an existing column to hold a larger
- * or different kind of value. This method employs the writer to adjust the table
- * structure in the database. Schema updates are recorded in meta properties of the bean.
- *
- * This method will also apply indexes, unique constraints and foreign keys.
- *
- * @param OODBBean $bean bean to get cast data from and store meta in
- * @param string $property property to store
- * @param mixed $value value to store
- *
- * @return void
- */
- private function modifySchema( OODBBean $bean, $property, $value )
- {
- $doFKStuff = FALSE;
- $table = $bean->getMeta( 'type' );
- $columns = $this->writer->getColumns( $table );
- $columnNoQ = $this->writer->esc( $property, TRUE );
- if ( !$this->oodb->isChilled( $bean->getMeta( 'type' ) ) ) {
- if ( $bean->getMeta( "cast.$property", -1 ) !== -1 ) { //check for explicitly specified types
- $cast = $bean->getMeta( "cast.$property" );
- $typeno = $this->getTypeFromCast( $cast );
- } else {
- $cast = FALSE;
- $typeno = $this->writer->scanType( $value, TRUE );
- }
- if ( isset( $columns[$this->writer->esc( $property, TRUE )] ) ) { //Is this property represented in the table ?
- if ( !$cast ) { //rescan without taking into account special types >80
- $typeno = $this->writer->scanType( $value, FALSE );
- }
- $sqlt = $this->writer->code( $columns[$this->writer->esc( $property, TRUE )] );
- if ( $typeno > $sqlt ) { //no, we have to widen the database column type
- $this->writer->widenColumn( $table, $property, $typeno );
- $bean->setMeta( 'buildreport.flags.widen', TRUE );
- $doFKStuff = TRUE;
- }
- } else {
- $this->writer->addColumn( $table, $property, $typeno );
- $bean->setMeta( 'buildreport.flags.addcolumn', TRUE );
- $doFKStuff = TRUE;
- }
- if ($doFKStuff) {
- if (strrpos($columnNoQ, '_id')===(strlen($columnNoQ)-3)) {
- $destinationColumnNoQ = substr($columnNoQ, 0, strlen($columnNoQ)-3);
- $indexName = "index_foreignkey_{$table}_{$destinationColumnNoQ}";
- $this->writer->addIndex($table, $indexName, $columnNoQ);
- $typeof = $bean->getMeta("sys.typeof.{$destinationColumnNoQ}", $destinationColumnNoQ);
- $isLink = $bean->getMeta( 'sys.buildcommand.unique', FALSE );
- //Make FK CASCADING if part of exclusive list (dependson=typeof) or if link bean
- $isDep = ( $bean->moveMeta( 'sys.buildcommand.fkdependson' ) === $typeof || is_array( $isLink ) );
- $result = $this->writer->addFK( $table, $typeof, $columnNoQ, 'id', $isDep );
- //If this is a link bean and all unique columns have been added already, then apply unique constraint
- if ( is_array( $isLink ) && !count( array_diff( $isLink, array_keys( $this->writer->getColumns( $table ) ) ) ) ) {
- $this->writer->addUniqueConstraint( $table, $bean->moveMeta('sys.buildcommand.unique') );
- $bean->setMeta("sys.typeof.{$destinationColumnNoQ}", NULL);
- }
- }
- }
- }
- }
-
- /**
- * Part of the store() functionality.
- * Handles all new additions after the bean has been saved.
- * Stores addition bean in own-list, extracts the id and
- * adds a foreign key. Also adds a constraint in case the type is
- * in the dependent list.
- *
- * Note that this method raises a custom exception if the bean
- * is not an instance of OODBBean. Therefore it does not use
- * a type hint. This allows the user to take action in case
- * invalid objects are passed in the list.
- *
- * @param OODBBean $bean bean to process
- * @param array $ownAdditions list of addition beans in own-list
- *
- * @return void
- */
- protected function processAdditions( $bean, $ownAdditions )
- {
- $beanType = $bean->getMeta( 'type' );
-
- foreach ( $ownAdditions as $addition ) {
- if ( $addition instanceof OODBBean ) {
-
- $myFieldLink = $beanType . '_id';
- $alias = $bean->getMeta( 'sys.alias.' . $addition->getMeta( 'type' ) );
- if ( $alias ) $myFieldLink = $alias . '_id';
-
- $addition->$myFieldLink = $bean->id;
- $addition->setMeta( 'cast.' . $myFieldLink, 'id' );
-
- if ($alias) {
- $addition->setMeta( "sys.typeof.{$alias}", $beanType );
- } else {
- $addition->setMeta( "sys.typeof.{$beanType}", $beanType );
- }
-
- $this->store( $addition );
- } else {
- throw new RedException( 'Array may only contain OODBBeans' );
- }
- }
- }
-
- /**
- * Stores a cleaned bean; i.e. only scalar values. This is the core of the store()
- * method. When all lists and embedded beans (parent objects) have been processed and
- * removed from the original bean the bean is passed to this method to be stored
- * in the database.
- *
- * @param OODBBean $bean the clean bean
- *
- * @return void
- */
- protected function storeBean( OODBBean $bean )
- {
- if ( $bean->getMeta( 'changed' ) ) {
- $this->check( $bean );
- $table = $bean->getMeta( 'type' );
- $this->createTableIfNotExists( $bean, $table );
-
- $updateValues = array();
- foreach ( $bean as $property => $value ) {
- if ( $property !== 'id' ) {
- $this->modifySchema( $bean, $property, $value );
- }
- if ( $property !== 'id' ) {
- $updateValues[] = array( 'property' => $property, 'value' => $value );
- }
- }
-
- $bean->id = $this->writer->updateRecord( $table, $updateValues, $bean->id );
- $bean->setMeta( 'changed', FALSE );
- }
- $bean->setMeta( 'tainted', FALSE );
- }
-
- /**
- * Handles exceptions. Suppresses exceptions caused by missing structures.
- *
- * @param Exception $exception exception
- *
- * @return void
- */
- protected function handleException( \Exception $exception )
- {
- if ( !$this->writer->sqlStateIn( $exception->getSQLState(),
- array(
- QueryWriter::C_SQLSTATE_NO_SUCH_TABLE,
- QueryWriter::C_SQLSTATE_NO_SUCH_COLUMN ) )
- ) {
- throw $exception;
- }
- }
-
- /**
- * Dispenses a new bean (a OODBBean Bean Object)
- * of the specified type. Always
- * use this function to get an empty bean object. Never
- * instantiate a OODBBean yourself because it needs
- * to be configured before you can use it with RedBean. This
- * function applies the appropriate initialization /
- * configuration for you.
- *
- * @param string $type type of bean you want to dispense
- * @param string $number number of beans you would like to get
- * @param boolean $alwaysReturnArray if TRUE always returns the result as an array
- *
- * @return OODBBean
- */
- public function dispense( $type, $number = 1, $alwaysReturnArray = FALSE )
- {
- $OODBBEAN = defined( 'REDBEAN_OODBBEAN_CLASS' ) ? REDBEAN_OODBBEAN_CLASS : '\RedBeanPHP\OODBBean';
- $beans = array();
- for ( $i = 0; $i < $number; $i++ ) {
- $bean = new $OODBBEAN;
- $bean->initializeForDispense( $type, $this->oodb->getBeanHelper() );
- $this->check( $bean );
- $this->oodb->signal( 'dispense', $bean );
- $beans[] = $bean;
- }
-
- return ( count( $beans ) === 1 && !$alwaysReturnArray ) ? array_pop( $beans ) : $beans;
- }
-
- /**
- * Loads a bean from the object database.
- * It searches for a OODBBean Bean Object in the
- * database. It does not matter how this bean has been stored.
- * RedBean uses the primary key ID $id and the string $type
- * to find the bean. The $type specifies what kind of bean you
- * are looking for; this is the same type as used with the
- * dispense() function. If RedBean finds the bean it will return
- * the OODB Bean object; if it cannot find the bean
- * RedBean will return a new bean of type $type and with
- * primary key ID 0. In the latter case it acts basically the
- * same as dispense().
- *
- * Important note:
- * If the bean cannot be found in the database a new bean of
- * the specified type will be generated and returned.
- *
- * @param string $type type of bean you want to load
- * @param integer $id ID of the bean you want to load
- *
- * @return OODBBean
- */
- public function load( $type, $id )
- {
- $bean = $this->dispense( $type );
- if ( isset( $this->stash[$this->nesting][$id] ) ) {
- $row = $this->stash[$this->nesting][$id];
- } else {
- try {
- $rows = $this->writer->queryRecord( $type, array( 'id' => array( $id ) ) );
- } catch ( SQLException $exception ) {
- if ( $this->writer->sqlStateIn( $exception->getSQLState(),
- array(
- QueryWriter::C_SQLSTATE_NO_SUCH_COLUMN,
- QueryWriter::C_SQLSTATE_NO_SUCH_TABLE )
- )
- ) {
- $rows = 0;
- }
- }
- if ( empty( $rows ) ) {
- return $bean;
- }
- $row = array_pop( $rows );
- }
- $bean->importRow( $row );
- $this->nesting++;
- $this->oodb->signal( 'open', $bean );
- $this->nesting--;
-
- return $bean->setMeta( 'tainted', FALSE );
- }
-}
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