improve migration class

This commit is contained in:
Jan-Niclas Loosen
2025-02-12 15:55:28 +01:00
parent 29703314a3
commit c4a7025978
5 changed files with 212 additions and 180 deletions

View File

@@ -7,7 +7,7 @@ use InvalidArgumentException;
class Migration
{
protected Schema $table;
protected Schema $schema;
protected array $columnsToAdd = [];
protected array $columnsToModify = [];
protected array $columnsToDrop = [];
@@ -16,11 +16,13 @@ class Migration
protected array $foreignKeysToDrop = [];
public function __construct(Schema $table) {
$this->table = $table->copy();
$this->schema = $table->copy();
}
public function addColumn(string $name, Type $type, mixed $default = null, bool $isNullable = false, bool $isUnique = false): Migration {
$this->table->columns[$name] = [
public function add(string $name, Type $type, mixed $default = null, bool $isNullable = false, bool $isUnique = false): Migration {
if ($this->schema->existsColumn($name))
throw new InvalidArgumentException("Column '$name' already exists.");
$this->schema->columns[$name] = [
'name' => $name,
'type' => $type,
'default' => $default,
@@ -31,11 +33,9 @@ class Migration
return $this;
}
public function modifyColumn(string $name, Type $type, mixed $default = null, bool $isNullable = false, bool $isUnique = false): Migration {
if (!isset($this->table->columns[$name])) {
throw new InvalidArgumentException("Column $name does not exist.");
}
$this->table->columns[$name] = [
public function modify(string $name, Type $type, mixed $default = null, bool $isNullable = false, bool $isUnique = false): Migration {
$this->schema->requireColumn($name);
$this->schema->columns[$name] = [
'name' => $name,
'type' => $type,
'default' => $default,
@@ -46,87 +46,27 @@ class Migration
return $this;
}
public function dropColumn(string $name): Migration {
if (!isset($this->table->columns[$name])) {
throw new InvalidArgumentException("Column $name does not exist.");
}
unset($this->table->columns[$name]);
public function delete(string $name): Migration {
$this->schema->requireColumn($name);
unset($this->schema->columns[$name]);
$this->columnsToDrop[] = $name;
return $this;
}
public function changePrimaryKey(string $name, bool $autoInc = false): Migration {
if (!isset($this->table->columns[$name])) {
throw new InvalidArgumentException("Column $name does not exist.");
}
$this->table->primaryKey = [
'name' => $name,
'autoInc' => $autoInc
];
$this->primaryKey = $name;
return $this;
public function reference(Schema $foreignTable, Propagation $onDelete = Propagation::CASCADE, Propagation $onUpdate = Propagation::CASCADE): Migration {
}
public function addForeignKey(string $column, string $referencedTable, string $referencedColumn, Propagation $onDelete, Propagation $onUpdate): Migration {
if (!isset($this->table->columns[$column])) {
throw new InvalidArgumentException("Column $column does not exist.");
}
$this->table->foreignKeys[$column] = [
'referencedTable' => $referencedTable,
'referencedColumn' => $referencedColumn,
'onDelete' => $onDelete,
'onUpdate' => $onUpdate
];
$this->foreignKeysToAdd[] = $column;
return $this;
}
public function dereference(Schema $foreignTable): Migration {
public function dropForeignKey(string $name): Migration {
if (!isset($this->table->foreignKeys[$name])) {
throw new InvalidArgumentException("Foreign key $name does not exist.");
}
unset($this->table->foreignKeys[$name]);
$this->foreignKeysToDrop[] = $name;
return $this;
}
public function toSql(): string {
$sql = "ALTER TABLE `{$this->table->name}` ";
$statements = [];
foreach ($this->columnsToAdd as $name) {
$col = $this->table->columns[$name];
$statements[] = "ADD COLUMN `{$col['name']}` {$col['type']->toString()}" .
($col['isNullable'] ? "" : " NOT NULL") .
($col['isUnique'] ? " UNIQUE" : "") .
($col['default'] !== null ? " DEFAULT " . (is_string($col['default']) ? "'{$col['default']}'" : $col['default']) : "");
}
foreach ($this->columnsToModify as $name) {
$col = $this->table->columns[$name];
$statements[] = "MODIFY COLUMN `{$col['name']}` {$col['type']->toString()}" .
($col['isNullable'] ? "" : " NOT NULL") .
($col['isUnique'] ? " UNIQUE" : "") .
($col['default'] !== null ? " DEFAULT " . (is_string($col['default']) ? "'{$col['default']}'" : $col['default']) : "");
}
foreach ($this->columnsToDrop as $name) {
$statements[] = "DROP COLUMN `$name`";
}
foreach ($this->foreignKeysToDrop as $name) {
$statements[] = "DROP FOREIGN KEY `$name`";
}
foreach ($this->foreignKeysToAdd as $column) {
$fk = $this->table->foreignKeys[$column];
$statements[] = "ADD CONSTRAINT `fk_{$column}` FOREIGN KEY (`$column`) REFERENCES `{$fk['referencedTable']}` (`{$fk['referencedColumn']}`) ON DELETE {$fk['onDelete']->toString()} ON UPDATE {$fk['onUpdate']->toString()}";
}
return $sql . implode(", ", $statements) . ";";
}
public function drop(): null {
global $wpdb;
}
@@ -134,6 +74,6 @@ class Migration
global $wpdb;
$sql = $this->toSql();
$wpdb->query($sql);
return $this->table;
return $this->schema;
}
}