/**
* Check object $field field value as $table column
* and if database table does not have it - create.
* $field is not set in object - error returns
*
* @param object $object Pointer to object to get field names data
* @param string $table Database table name
* @param string $field Object field name
* @param string $type Database column name
*
* @return bool True if database table has field or field has been created
*/
public function createField($object, $table, $field, $type = 'INT')
{
// Check if db identifier field is configured
if (class_exists($table)) {
if (strlen($object->{$field})) {
// Variable to get all social table attributes
$attributes = array();
// Get table attributes - PHP 5.2 compatible
eval('$attributes = ' . $table . '::$_attributes;');
// Remove namespaces
$table = \samson\core\AutoLoader::getOnlyClass($table);
// Make keys lowercase
$attributes = array_change_key_case_unicode($attributes);
// If table does not have defined identifier field
if (!isset($attributes[strtolower($object->{$field})])) {
// Add identifier field to social users table
$this->simple_query('ALTER TABLE `' . $table . '` ADD `' . $object->{$field} . '` ' . $type . ' ');
}
return true;
} else {
// Signal error
return e('Cannot load "' . get_class($object) . '" module - no $' . $field . ' is configured');
}
}
}
/**
* Constructor
* @param string $base_class Base class in relation
* @param string $table_name Name/alias of table in relation
* @param string $relation_class Classname that has to be created on joining
* @param boolean $ignore Flag for not creating object instances for this class
*/
public function __construct($base_class, $table_name_simple, $relation_class = null, $ignore = false)
{
// If table name passed without namespace consider it as activerecord namespace
$table_name = \samson\core\AutoLoader::className($table_name_simple, 'samson\\activerecord');
// If relation class not specified
if (!isset($relation_class)) {
// if there is no class exists for table name specified
if (!class_exists($table_name, false)) {
// PHP < 5.3 get relation aliases
eval('$_relation_alias = ' . $base_class . '::$_relation_alias;');
// Try to find classname in relation aliases
if (isset($_relation_alias[$table_name_simple])) {
$relation_class = \samson\core\AutoLoader::className($_relation_alias[$table_name_simple], __NAMESPACE__);
} else {
if (isset($_relation_alias[$table_name])) {
$relation_class = \samson\core\AutoLoader::className($_relation_alias[$table_name], __NAMESPACE__);
} else {
// use thi table name as class
$relation_class = $table_name;
}
}
} else {
$relation_class = $table_name;
}
// Try to find closest parent class to dbRecord class
$parent_class = get_parent_class($relation_class);
if ($parent_class != \samson\core\AutoLoader::className('dbRecord', 'samson\\activerecord')) {
$table_name = \samson\core\AutoLoader::getOnlyClass($parent_class);
}
}
// Set defined class fields
$this->base = $base_class;
$this->relation = $relation_class;
$this->table = \samson\core\AutoLoader::getOnlyClass($table_name);
$this->ignore = $ignore;
// TODO: fix this problem
$this->table = str_replace('samson_activerecord_', '', $this->table);
}
/**
* Remove all USE statements and replace class shortcuts to full class names
*
* @param string $code Code to work with
* @param array $classes Array of class names to replace
*
* @return bool|mixed|string
*/
private function removeUSEStatement($code, array $classes)
{
// Iterate found use statements
foreach (array_unique($classes) as $full_class) {
// Ignore trait uses
if (trait_exists($full_class)) {
continue;
}
// Get class shortcut
$class_name = \samson\core\AutoLoader::getOnlyClass($full_class);
// Check class existance
if (!class_exists($full_class) && !interface_exists($full_class)) {
//return e('Found USE statement for undeclared class ##', E_SAMSON_FATAL_ERROR, $full_class);
continue;
}
// Replace class static call
$code = preg_replace('/([^\\\\a-z])' . $class_name . '::/i', '$1' . $full_class . '::', $code);
// Replace class implements calls
$code = preg_replace('/\\s+implements(.*\\W)' . $class_name . '([^\\\\])/i', ' implements $1' . $full_class . '$2 ', $code);
// Handle instanceof operator
$code = preg_replace('/instanceof\\s+' . $class_name . '/i', 'instanceof ' . $full_class . '', $code);
// Replace class extends calls
$code = preg_replace('/extends\\s+' . $class_name . '/i', 'extends ' . $full_class . '', $code);
// Replace multiple class extends calls
$code = preg_replace('/\\s+extends(.*\\W),?\\s' . $class_name . '([^\\\\])/i', ' extends $1' . $full_class . '$2 ', $code);
// Replace class hint calls
$code = preg_replace('/(\\(|\\s|\\,)\\s*' . $class_name . '\\s*(&|$)/i', '$1' . $full_class . ' $2', $code);
// Replace class creation call
$code = preg_replace('/new\\s+' . $class_name . '\\s*\\(/i', 'new ' . $full_class . '(', $code);
// Replace annotations
$code = preg_replace('/([, (])' . $class_name . '\\s\\$/i', '$1 $2' . $full_class . ' $', $code);
}
return $code;
}
