/**
* Generates foreign keys for the plugin table based on the owner table.
* These columns are automatically added to the generated model so we can
* create foreign keys back to the table object that owns the plugin.
*
* @param Doctrine_Table $table the table object that owns the plugin
* @return array an array of foreign key definitions
*/
public function buildForeignKeys(Doctrine_Table $table)
{
$fk = array();
foreach ((array) $table->getIdentifier() as $field) {
$def = $table->getDefinitionOf($field);
unset($def['autoincrement']);
unset($def['sequence']);
unset($def['primary']);
$col = $table->hasColumn($field) ? $field : $table->getColumnName($field) . ' as ' . $field;
$def['primary'] = true;
$fk[$col] = $def;
}
return $fk;
}
/**
* guessColumns
*
* @param array $classes an array of class names
* @param Doctrine_Table $foreignTable foreign table object
* @return array an array of column names
*/
public function guessColumns(array $classes, Doctrine_Table $foreignTable)
{
$conn = $this->_table->getConnection();
foreach ($classes as $class) {
try {
$table = $conn->getTable($class);
} catch (Doctrine_Table_Exception $e) {
continue;
}
$columns = $this->getIdentifiers($table);
$found = true;
foreach ((array) $columns as $column) {
if (!$foreignTable->hasColumn($column)) {
$found = false;
break;
}
}
if ($found) {
break;
}
}
if (!$found) {
throw new Doctrine_Relation_Exception("Couldn't find columns.");
}
return $columns;
}
/**
* Helper function to run doctrine level validation on data. Returns an
* array('colname' => 'error message'). Only 1 validation error message
* will be returned per column.
*
* @param Doctrine_Table $table
* @param array $data
* @return array
*/
protected function do_validate($table, $data)
{
$errs = array();
if ($data) {
// check for static "remote_validate" function on table
$cls = $table->getClassnameToReturn();
if (method_exists($cls, self::$VALIDATE_METHOD_NAME)) {
$myerrs = call_user_func(array($cls, self::$VALIDATE_METHOD_NAME), $data);
if (count($myerrs)) {
return $myerrs;
// return early
}
}
// normal doctrine validation
foreach ($data as $column => $value) {
if (!$table->hasColumn($column)) {
$errs[$column] = 'Unknown column';
} else {
$col_err = false;
$stack = $table->validateField($column, $value);
// get the first problem (if any)
if (isset($stack[$column]) && count($stack[$column])) {
$col_err = $stack[$column][0];
}
$stack->clear();
// check extra unique columns, which aren't unique in the
// models, but should be validated as such
if (!$col_err && in_array($column, $this->enforce_uniques)) {
$found = $table->findOneBy($column, $value);
if ($found) {
$col_err = 'unique';
}
}
// set error for this column
if ($col_err) {
$errs[$column] = $col_err;
}
}
}
}
return $errs;
}
