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- <?php
-
- namespace Tqdev\PhpCrudApi\Column\Reflection;
-
- use Tqdev\PhpCrudApi\Database\GenericReflection;
-
- class ReflectedTable implements \JsonSerializable
- {
- private $name;
- private $type;
- private $columns;
- private $pk;
- private $fks;
-
- public function __construct(string $name, string $type, array $columns)
- {
- $this->name = $name;
- $this->type = $type;
- // set columns
- $this->columns = [];
- foreach ($columns as $column) {
- $columnName = $column->getName();
- $this->columns[$columnName] = $column;
- }
- // set primary key
- $this->pk = null;
- foreach ($columns as $column) {
- if ($column->getPk() == true) {
- $this->pk = $column;
- }
- }
- // set foreign keys
- $this->fks = [];
- foreach ($columns as $column) {
- $columnName = $column->getName();
- $referencedTableName = $column->getFk();
- if ($referencedTableName != '') {
- $this->fks[$columnName] = $referencedTableName;
- }
- }
- }
-
- public static function fromReflection(GenericReflection $reflection, string $name, string $type): ReflectedTable
- {
- // set columns
- $columns = [];
- foreach ($reflection->getTableColumns($name, $type) as $tableColumn) {
- $column = ReflectedColumn::fromReflection($reflection, $tableColumn);
- $columns[$column->getName()] = $column;
- }
- // set primary key
- $columnNames = $reflection->getTablePrimaryKeys($name);
- if (count($columnNames) == 1) {
- $columnName = $columnNames[0];
- if (isset($columns[$columnName])) {
- $pk = $columns[$columnName];
- $pk->setPk(true);
- }
- }
- // set foreign keys
- $fks = $reflection->getTableForeignKeys($name);
- foreach ($fks as $columnName => $table) {
- $columns[$columnName]->setFk($table);
- }
- return new ReflectedTable($name, $type, array_values($columns));
- }
-
- public static function fromJson(/* object */$json): ReflectedTable
- {
- $name = $json->name;
- $type = $json->type;
- $columns = [];
- if (isset($json->columns) && is_array($json->columns)) {
- foreach ($json->columns as $column) {
- $columns[] = ReflectedColumn::fromJson($column);
- }
- }
- return new ReflectedTable($name, $type, $columns);
- }
-
- public function hasColumn(string $columnName): bool
- {
- return isset($this->columns[$columnName]);
- }
-
- public function hasPk(): bool
- {
- return $this->pk != null;
- }
-
- public function getPk() /*: ?ReflectedColumn */
- {
- return $this->pk;
- }
-
- public function getName(): string
- {
- return $this->name;
- }
-
- public function getType(): string
- {
- return $this->type;
- }
-
- public function getColumnNames(): array
- {
- return array_keys($this->columns);
- }
-
- public function getColumn($columnName): ReflectedColumn
- {
- return $this->columns[$columnName];
- }
-
- public function getFksTo(string $tableName): array
- {
- $columns = array();
- foreach ($this->fks as $columnName => $referencedTableName) {
- if ($tableName == $referencedTableName) {
- $columns[] = $this->columns[$columnName];
- }
- }
- return $columns;
- }
-
- public function removeColumn(string $columnName): bool
- {
- if (!isset($this->columns[$columnName])) {
- return false;
- }
- unset($this->columns[$columnName]);
- return true;
- }
-
- public function serialize()
- {
- return [
- 'name' => $this->name,
- 'type' => $this->type,
- 'columns' => array_values($this->columns),
- ];
- }
-
- public function jsonSerialize()
- {
- return $this->serialize();
- }
- }
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