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update: add coupon per user limit

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This commit is contained in:
tokumeikoi
2021-08-28 16:32:55 +09:00
parent 2d5fb03937
commit 5a3b897c57
8 changed files with 76 additions and 41 deletions
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77
app/Services/CouponService.php
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@ -8,27 +8,20 @@ use Illuminate\Support\Facades\DB;
class CouponService
{
public $order;
public $coupon;
public $planId;
public $userId;
public function __construct($code)
{
$this->coupon = Coupon::where('code', $code)->first();
if (!$this->coupon) {
abort(500, '优惠券无效');
}
if ($this->coupon->limit_use <= 0 && $this->coupon->limit_use !== NULL) {
abort(500, '优惠券已无可用次数');
}
if (time() < $this->coupon->started_at) {
abort(500, '优惠券还未到可用时间');
}
if (time() > $this->coupon->ended_at) {
abort(500, '优惠券已过期');
}
}
public function use(Order $order)
{
$this->setPlanId($order->plan_id);
$this->setUserId($order->user_id);
$this->check();
switch ($this->coupon->type) {
case 1:
$order->discount_amount = $this->coupon->value;
@ -43,11 +36,6 @@ class CouponService
return false;
}
}
if ($this->coupon->limit_plan_ids) {
if (!in_array($order->plan_id, $this->coupon->limit_plan_ids)) {
return false;
}
}
return true;
}
@ -55,4 +43,57 @@ class CouponService
{
return $this->coupon->id;
}
public function getCoupon()
{
return $this->coupon;
}
public function setPlanId($planId)
{
$this->planId = $planId;
}
public function setUserId($userId)
{
$this->userId = $userId;
}
public function checkLimitUseWithUser()
{
$usedCount = Order::where('coupon_id', $this->coupon->id)
->where('user_id', $this->userId)
->whereNotIn('status', [0, 2])
->count();
if ($usedCount >= $this->coupon->limit_use_with_user) return false;
return true;
}
public function check()
{
if (!$this->coupon) {
abort(500, __('Invalid coupon'));
}
if ($this->coupon->limit_use <= 0 && $this->coupon->limit_use !== NULL) {
abort(500, __('This coupon is no longer available'));
}
if (time() < $this->coupon->started_at) {
abort(500, __('This coupon has not yet started'));
}
if (time() > $this->coupon->ended_at) {
abort(500, __('This coupon has expired'));
}
if ($this->coupon->limit_plan_ids && $this->planId) {
if (!in_array($this->planId, $this->coupon->limit_plan_ids)) {
abort(500, __('The coupon code cannot be used for this subscription'));
}
}
if ($this->coupon->limit_use_with_user !== NULL && $this->userId) {
if (!$this->checkLimitUseWithUser()) {
abort(500, __('The coupon can only be used :limit_use_with_user per person', [
'limit_use_with_user' => $this->coupon->limit_use_with_user
]));
}
}
}
}