Viewing file:  MigrationGeneratorCommand.php (2.78 KB) -rw-rw-rw-
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<?php
namespace Illuminate\Console;
use Illuminate\Filesystem\Filesystem;
use Illuminate\Support\Composer;
use function Illuminate\Filesystem\join_paths;
abstract class MigrationGeneratorCommand extends Command
{
/**
* The filesystem instance.
*
* @var \Illuminate\Filesystem\Filesystem
*/
protected $files;
/**
* The Composer instance.
*
* @var \Illuminate\Support\Composer
*
* @deprecated Will be removed in a future Laravel version.
*/
protected $composer;
/**
* Create a new migration generator command instance.
*
* @param \Illuminate\Filesystem\Filesystem $files
* @param \Illuminate\Support\Composer $composer
* @return void
*/
public function __construct(Filesystem $files, Composer $composer)
{
parent::__construct();
$this->files = $files;
$this->composer = $composer;
}
/**
* Get the migration table name.
*
* @return string
*/
abstract protected function migrationTableName();
/**
* Get the path to the migration stub file.
*
* @return string
*/
abstract protected function migrationStubFile();
/**
* Execute the console command.
*
* @return int
*/
public function handle()
{
$table = $this->migrationTableName();
if ($this->migrationExists($table)) {
$this->components->error('Migration already exists.');
return 1;
}
$this->replaceMigrationPlaceholders(
$this->createBaseMigration($table), $table
);
$this->components->info('Migration created successfully.');
return 0;
}
/**
* Create a base migration file for the table.
*
* @param string $table
* @return string
*/
protected function createBaseMigration($table)
{
return $this->laravel['migration.creator']->create(
'create_'.$table.'_table', $this->laravel->databasePath('/migrations')
);
}
/**
* Replace the placeholders in the generated migration file.
*
* @param string $path
* @param string $table
* @return void
*/
protected function replaceMigrationPlaceholders($path, $table)
{
$stub = str_replace(
'{{table}}', $table, $this->files->get($this->migrationStubFile())
);
$this->files->put($path, $stub);
}
/**
* Determine whether a migration for the table already exists.
*
* @param string $table
* @return bool
*/
protected function migrationExists($table)
{
return count($this->files->glob(
join_paths($this->laravel->databasePath('migrations'), '*_*_*_*_create_'.$table.'_table.php')
)) !== 0;
}
}
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