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update: rewrite buy limit

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This commit is contained in:
tokumeikoi
2022-07-08 02:36:33 +08:00
parent 2823f1bd47
commit 838fc7bdba
11 changed files with 90 additions and 27 deletions
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5
app/Services/OrderService.php
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@@ -249,11 +249,6 @@ class OrderService
return false;
}
}
$planService = new PlanService($order->plan_id);
if (!$planService->incrementInventory()) {
DB::rollBack();
return false;
}
DB::commit();
return true;
}

14
app/Services/PlanService.php
View File

@@ -3,6 +3,7 @@
namespace App\Services;
use App\Models\Plan;
use App\Models\User;
class PlanService
{
@@ -13,15 +14,10 @@ class PlanService
$this->plan = Plan::lockForUpdate()->find($planId);
}
public function incrementInventory(): bool
public function haveCapacity(): bool
{
if ($this->plan->inventory_limit === NULL) return true;
return $this->plan->increment('inventory_limit');
}
public function decrementInventory(): bool
{
if ($this->plan->inventory_limit === NULL) return true;
return $this->plan->decrement('inventory_limit');
if ($this->plan->capacity_limit === 0) return true;
$count = User::where('plan_id', $this->plan->plan_id)->count();
return $this->plan->capacity_limit - $count;
}
}