laravel route model binding where relation code example

Example: laravel route model binding

Route::bind('user', function($value)
{
    return User::where('name', $value)->first();
});

// We can And Do also this in model..

/**
 * Retrieve the model for a bound value.
 *
 * @param  mixed  $value
 * @param  string|null  $field
 * @return \Illuminate\Database\Eloquent\Model|null
 */
public function resolveRouteBinding($value, $field = null)
{
    return $this->where('name', $value)->firstOrFail();
}