public static function create(User $user)
{
$grade = $user->getGrade();
$sex = $user->getSex();
if ($grade === 'ゴールド') {
return new NineDiscountAmountStrategy();
}
if ($grade === 'シルバー') {
return new NineFiveDiscountAmountStrategy();
}
if ($grade === '一般' && $sex === '女性') {
return new NineFiveDiscountAmountStrategy();
}
return new NormalAmountStrategy();
}
public function calc(User $user, Amount $amount)
{
$grade = $user->getGrade();
$sex = $user->getSex();
if ($grade === 'ゴールド') {
return (new NineDiscountAmountStrategy())->calc($amount);
}
if ($grade === 'シルバー') {
return (new NineFiveDiscountAmountStrategy())->calc($amount);
}
if ($grade === '一般' && $sex === '女性') {
return (new NineFiveDiscountAmountStrategy())->calc($amount);
}
return (new NormalAmountStrategy())->calc($amount);
}
public function calc(User $user, Amount $amount)
{
$grade = $user->getGrade();
$sex = $user->getSex();
if ($grade === 'ゴールド') {
return new Amount(floor($amount->getValue() * 0.9));
}
if ($grade === 'シルバー') {
return new Amount(floor($amount->getValue() * 0.95));
}
if ($grade === '一般' && $sex === '女性') {
return new Amount(floor($amount->getValue() * 0.95));
}
return new Amount($amount->getValue());
}
