public function __construct($name, Schema $schema)
{
$this->_name = $name;
$this->_schema = $schema;
$fields = $this->_describeFields();
$array = array();
foreach ($fields as $field) {
$tableColumn = new Column($field, $this);
$array[] = $tableColumn;
$this->_columnByNameRegistry[$tableColumn->getName()] = $tableColumn;
}
parent::__construct($array);
}
/**
* Отобразить в качестве массива
*
* @return array
*/
public function toArray()
{
$result = array('name' => $this->getName(), 'type' => $this->getLinkType(), 'local_table' => $this->getLocalTable()->getName(), 'local_column' => $this->getLocalColumn()->getName(), 'foreign_table' => $this->getForeignTable()->getName(), 'foreign_column' => $this->getForeignColumn()->getName(), 'rule_update' => $this->getRuleUpdate(), 'rule_delete' => $this->getRuleDelete());
if ($this->_linkTableLocalColumn && $this->_linkTableForeignColumn) {
$result['link_table'] = $this->_linkTable->getName();
$result['link_table_local_column'] = $this->_linkTableLocalColumn->getName();
$result['link_table_foreign_column'] = $this->_linkTableForeignColumn->getName();
}
return $result;
}
protected function getLinkByColumns(Column $localColumn, Column $foreignColumn, $ruleUpdate = null, $ruleDelete = null)
{
$localTable = $localColumn->getTable();
$foreignTable = $foreignColumn->getTable();
$link = null;
// Если локальный связь прямая и локальный с внешним полем уникальты - то OneToOne
if ($localColumn->isUnique() && $foreignColumn->isUnique() && !$foreignTable->isLinkTable() && !$localTable->isLinkTable()) {
if ($localColumn->getName() == 'id') {
$name = $foreignColumn->getEntityNameAsCamelCase() . '___' . $foreignTable->getNameAsCamelCase();
} else {
$name = $localColumn->getEntityNameAsCamelCase() . '___' . $localTable->getNameAsCamelCase();
}
$link = new OneToOne('OneToOne___' . $name, $localColumn, $foreignColumn, $ruleDelete, $ruleUpdate);
} elseif ($localColumn->isUnique() && !$foreignColumn->isUnique() && !$foreignTable->isLinkTable() && !$localTable->isLinkTable()) {
// OneToMany Direct
$link = new OneToMany('OneToMany___' . $foreignColumn->getEntityNameAsCamelCase() . '___' . $foreignTable->getNameAsCamelCase(), $localColumn, $foreignColumn, $ruleDelete, $ruleUpdate);
} elseif (!$localColumn->isUnique() && $foreignColumn->isUnique() && !$foreignTable->isLinkTable() && !$localTable->isLinkTable()) {
// ManyToOne Direct
$link = new ManyToOne('ManyToOne___' . $localTable->getNameAsCamelCase() . '___' . $localColumn->getEntityNameAsCamelCase(), $localColumn, $foreignColumn, $ruleDelete, $ruleUpdate);
} elseif ($localTable->isLinkTable() || $foreignTable->isLinkTable()) {
$linkTable = $localTable->isLinkTable() ? $localTable : $foreignTable;
if ($localTable->isLinkTable()) {
$localTable = $foreignTable;
$localColumn = $foreignColumn;
}
/**
* Тут мы выясняем сколько внешних ключей у таблицы связки
* Если их больше двух или меньше двух, то значит это хреновая связь
*
* Потом мы выясняем внешнюю таблицку и создаем связь
*/
$linkTableForeignKeys = $this->getForeignKeyArray($linkTable);
$linkTableColumnList = $linkTable->getColumn();
$linkTableLocalColumn = null;
$linkTableForeignColumn = null;
$foreignColumn = null;
foreach ($linkTableColumnList as $linkTableColumn) {
// НЕ ID поле
if (substr($linkTableColumn->getName(), -3) != '_id') {
continue;
}
$tableName = substr($linkTableColumn->getName(), 0, -3);
$matchedTable = $this->getTable($tableName);
if ($matchedTable) {
if ($matchedTable->getName() == $localTable->getName()) {
$linkTableLocalColumn = $linkTableColumn;
} else {
$foreignColumn = $matchedTable->getColumn('id');
$linkTableForeignColumn = $linkTableColumn;
}
}
}
if (!empty($linkTableForeignKeys)) {
foreach ($linkTableForeignKeys as $linkTableForeignKey) {
if ($linkTableForeignKey['table_name'] == $localTable->getName() || $linkTableForeignKey['referenced_table_name'] == $localTable->getName()) {
$linkTableLocalColumnName = $linkTableForeignKey['table_name'] == $localTable->getName() ? $linkTableForeignKey['referenced_column_name'] : $linkTableForeignKey['column_name'];
$linkTableLocalColumn = $this->getTable($linkTable->getName())->getColumn($linkTableLocalColumnName);
continue;
} else {
// Пытаемся найти внешнее поле foreignColumn
if ($linkTableForeignKey['table_name'] == $linkTable->getName()) {
$foreignTableName = $linkTableForeignKey['referenced_table_name'];
$foreignColumnName = $linkTableForeignKey['referenced_column_name'];
$linkTableForeignColumnName = $linkTableForeignKey['column_name'];
} else {
$foreignTableName = $linkTableForeignKey['table_name'];
$foreignColumnName = $linkTableForeignKey['column_name'];
$linkTableForeignColumnName = $linkTableForeignKey['referenced_column_name'];
}
$linkTableForeignColumn = $this->getTable($linkTable->getName())->getColumn($linkTableForeignColumnName);
$foreignColumn = $this->getTable($foreignTableName)->getColumn($foreignColumnName);
}
}
}
if ($foreignColumn && $linkTableLocalColumn && $linkTableForeignColumn) {
$linkTableLocalColumnNameAsCamelCase = implode(array_map('ucfirst', explode('_', preg_replace('#_id$#', '', $linkTableLocalColumn->getName()))));
$linkTableForeignColumnNameAsCamelCase = implode(array_map('ucfirst', explode('_', preg_replace('#_id$#', '', $linkTableForeignColumn->getName()))));
$link = new ManyToMany('ManyToMany___' . $linkTableLocalColumnNameAsCamelCase . '___' . $linkTableForeignColumnNameAsCamelCase, $localColumn, $foreignColumn, $ruleDelete, $ruleUpdate, $linkTableLocalColumn, $linkTableForeignColumn);
}
}
return $link;
}
