/**
* Builds a Index for a column name that is a link to another class
*
* @param $column_name string the column name used to create the index (with or without 'id_')
* @return Index
*/
public static function buildLink($column_name)
{
if (substr($column_name, 0, 3) !== 'id_') {
$column_name = 'id_' . $column_name;
}
$index = new Index();
$index->addKey($column_name);
return $index;
}
/**
* Builds a Table object using a Php class definition
*
* This takes care of excluded properties, so buildLinkTable() should be called
* before buildClassTable().
*
* @param $class Reflection_Class
* @param $more_field Column
* @return Table
*/
private function buildClassTable(Reflection_Class $class, $more_field)
{
$table_name = Dao::current()->storeNameOf($class->name);
$table = new Table($table_name);
if (!in_array('id', $this->excluded_properties)) {
$table->addColumn(Column::buildId());
}
if ($more_field) {
$table->addColumn($more_field);
}
if ($class->isAbstract()) {
$table->addColumn(new Column('class', 'varchar(255)'));
} else {
foreach ($class->accessProperties() as $property) {
if (!in_array($property->name, $this->excluded_properties)) {
$type = $property->getType();
if (($type->isMultipleString() || !$type->isMultiple()) && !$property->isStatic()) {
$table->addColumn(Column::buildProperty($property));
if ($property->getAnnotation('link')->value == Link_Annotation::OBJECT && $property->getAnnotation('store')->value != 'string') {
$class_name = $property->getType()->asString();
$this->dependencies_context[$class_name] = $class_name;
$table->addForeignKey(Foreign_Key::buildProperty($table_name, $property));
$table->addIndex(Index::buildLink($property->getAnnotation('storage')->value));
}
}
}
}
}
return $table;
}
/**
* Create a table in database, which has no associated class, using fields names
*
* @param $mysqli mysqli
* @param $table_name string
* @param $column_names string[]
* @return boolean
* @todo mysqli context should contain sql builder (ie Select) in order to know if this was
* an implicit link table. If then : only one unique index should be built
*/
private function createImplicitTable(mysqli $mysqli, $table_name, $column_names)
{
$only_ids = true;
$table = new Table($table_name);
$ids_index = new Index();
$ids_index->setType(Index::UNIQUE);
$indexes = [];
foreach ($column_names as $column_name) {
$table->addColumn($column_name === 'id' ? Column::buildId() : Column::buildLink($column_name));
if (substr($column_name, 0, 3) === 'id_') {
if ($mysqli instanceof Contextual_Mysqli && is_array($mysqli->context)) {
$ids_index->addKey($column_name);
$index = Index::buildLink($column_name);
foreach ($mysqli->context as $context_class) {
$id_context_property = 'id_' . Names::classToProperty(Names::setToSingle(Dao::storeNameOf($context_class)));
$id_context_property_2 = 'id_' . Names::classToProperty(Names::setToSingle(Namespaces::shortClassName($context_class)));
if (in_array($column_name, [$id_context_property, $id_context_property_2])) {
$table->addForeignKey(Foreign_Key::buildLink($table_name, $column_name, $context_class));
break;
}
}
$indexes[] = $index;
}
} else {
$only_ids = false;
}
}
if ($only_ids) {
$table->addIndex($ids_index);
} else {
foreach ($indexes as $index) {
$table->addIndex($index);
}
}
$mysqli->query((new Create_Table($table))->build());
return true;
}
/**
* @return string
*/
public function build()
{
$columns = [];
foreach ($this->table->getColumns() as $column) {
$columns[] = $column->toSql();
}
$indexes = [];
foreach ($this->table->getIndexes() as $index) {
$indexes[$index->getName()] = $index->toSql();
}
$foreign_keys = [];
foreach ($this->table->getForeignKeys() as $foreign_key) {
$foreign_key_constraint = join(DOT, $foreign_key->getFields());
$foreign_keys[$foreign_key_constraint] = $foreign_key->toSql();
if (!isset($indexes[$foreign_key_constraint])) {
$indexes[$foreign_key_constraint] = Index::buildLink($foreign_key_constraint)->toSql();
}
}
return 'CREATE TABLE IF NOT EXISTS ' . BQ . $this->table->getName() . BQ . ' (' . ($columns ? LF . TAB : '') . join(',' . LF . TAB, $columns) . ($indexes ? ',' . LF . TAB : '') . join(',' . LF . TAB, $indexes) . ($foreign_keys ? ',' . LF . TAB : '') . join(',' . LF . TAB, $foreign_keys) . LF . ') DEFAULT CHARSET = utf8 COLLATE = utf8_general_ci';
}
/**
* @param $index Index
*/
public function addIndex(Index $index)
{
$this->indexes[$index->getName()] = $index;
}
