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<?php namespace Arcanedev\Support\Bases;
use Closure;
use Illuminate\Database\Migrations\Migration as IlluminateMigration;
use Illuminate\Support\Facades\Schema;
/**
* Class Migration
*
* @package Arcanedev\Support\Bases
* @author ARCANEDEV <arcanedev.maroc@gmail.com>
*/
abstract class Migration extends IlluminateMigration
{
/* ------------------------------------------------------------------------------------------------
| Properties
| ------------------------------------------------------------------------------------------------
*/
/**
* The table name.
*
* @var string|null
*/
protected $table;
/**
* The table prefix.
*
* @var string|null
*/
protected $prefix;
/* ------------------------------------------------------------------------------------------------
| Getters & Setters
| ------------------------------------------------------------------------------------------------
*/
/**
* Set the migration connection name.
*
* @param string $connection
*
* @return self
*/
public function setConnection($connection)
{
$this->connection = $connection;
return $this;
}
/**
* Get the table name.
*
* @return null|string
*/
public function getTable()
{
return $this->table;
}
/**
* Get the prefixed table name.
*
* @return string
*/
public function getTableName()
{
return $this->hasPrefix()
? $this->getPrefix() . $this->getTable()
: $this->getTable();
}
/**
* Set the table name.
*
* @param string $table
*
* @return self
*/
public function setTable($table)
{
$this->table = $table;
return $this;
}
/**
* Get the prefix name.
*
* @return null|string
*/
public function getPrefix()
{
return $this->prefix;
}
/**
* Set the prefix name.
*
* @param string $prefix
*
* @return self
*/
public function setPrefix($prefix)
{
$this->prefix = $prefix;
return $this;
}
/* ------------------------------------------------------------------------------------------------
| Main Functions
| ------------------------------------------------------------------------------------------------
*/
/**
* Migrate to database.
*/
abstract public function up();
/**
* Rollback the migration.
*/
public function down()
{
if ( ! $this->hasConnection()) {
Schema::dropIfExists($this->getTableName());
return;
}
Schema::connection($this->getConnection())->dropIfExists($this->getTableName());
}
/**
* Create Table Schema.
*
* @param \Closure $blueprint
*/
protected function createSchema(Closure $blueprint)
{
if ($this->hasConnection()) {
Schema::connection($this->getConnection())
->create($this->getTableName(), $blueprint);
}
else {
Schema::create($this->getTableName(), $blueprint);
}
}
/* ------------------------------------------------------------------------------------------------
| Check Functions
| ------------------------------------------------------------------------------------------------
*/
/**
* Check if connection exists.
*
* @return bool
*/
protected function hasConnection()
{
return $this->isNotEmpty($this->getConnection());
}
/**
* Check if table has prefix.
*
* @return bool
*/
protected function hasPrefix()
{
return $this->isNotEmpty($this->getPrefix());
}
/**
* Check if the value is not empty.
*
* @param string $value
*
* @return bool
*/
private function isNotEmpty($value)
{
return ! (is_null($value) || empty($value));
}
}
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