GET /slots/availability, POST /slots/{id}/hold, POST /holds/{id}/confirm
and DELETE /holds/{id} on Laravel 12 and MySQL 8.
- availability cached for 10s behind a single-flight lock with a stale
copy, invalidated after commit on confirm and cancel
- oversell prevented by a conditional decrement, verified by the number
of affected rows rather than a preceding select
- idempotency enforced by a unique index on holds.idempotency_key
- active holds counted with an expires_at filter, so no background
cleanup is required for correctness
- 27 feature tests against MySQL, service documentation, Postman collection
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
30 lines
713 B
PHP
30 lines
713 B
PHP
<?php
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declare(strict_types=1);
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namespace App\Http\Resources;
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use App\Models\Hold;
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use Illuminate\Http\Request;
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use Illuminate\Http\Resources\Json\JsonResource;
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/**
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* @mixin Hold
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*/
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final class HoldResource extends JsonResource
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{
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/**
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* @return array<string, mixed>
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*/
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public function toArray(Request $request): array
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{
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return [
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'hold_id' => $this->id,
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'slot_id' => $this->slot_id,
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'status' => $this->status->value,
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'expires_at' => $this->expires_at->toIso8601String(),
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'confirmed_at' => $this->confirmed_at?->toIso8601String(),
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'cancelled_at' => $this->cancelled_at?->toIso8601String(),
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];
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}
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}
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