113 lines
3.0 KiB
PHP
113 lines
3.0 KiB
PHP
<?php
|
|
|
|
namespace App\Services;
|
|
|
|
use App\Exceptions\InviteCodeException;
|
|
use App\Models\GameAccountUser;
|
|
use App\Models\InviteCode;
|
|
use Closure;
|
|
use Illuminate\Support\Collection;
|
|
use Illuminate\Support\Facades\DB;
|
|
use Illuminate\Support\Str;
|
|
|
|
class InviteCodeService
|
|
{
|
|
/**
|
|
* @return \Illuminate\Support\Collection<int, \App\Models\InviteCode>
|
|
*/
|
|
public function createCodes(int $quantity, GameAccountUser $creator): Collection
|
|
{
|
|
$created = collect();
|
|
|
|
for ($index = 0; $index < $quantity; $index++) {
|
|
$created->push(InviteCode::query()->create([
|
|
'code' => $this->generateUniqueCode(),
|
|
'created_by_account_id' => $creator->id,
|
|
'created_by_username' => $creator->username,
|
|
]));
|
|
}
|
|
|
|
return $created;
|
|
}
|
|
|
|
/**
|
|
* @template TReturn
|
|
*
|
|
* @param Closure(): TReturn $callback
|
|
* @return TReturn
|
|
*/
|
|
public function redeemForRegistration(string $code, string $username, Closure $callback): mixed
|
|
{
|
|
$normalizedCode = $this->normalizeCode($code);
|
|
$normalizedUsername = strtoupper(trim($username));
|
|
|
|
return DB::transaction(function () use ($callback, $normalizedCode, $normalizedUsername) {
|
|
/** @var InviteCode|null $invite */
|
|
$invite = InviteCode::query()
|
|
->where('code', $normalizedCode)
|
|
->lockForUpdate()
|
|
->first();
|
|
|
|
if (! $invite) {
|
|
throw InviteCodeException::invalid();
|
|
}
|
|
|
|
if ($invite->redeemed_at !== null) {
|
|
throw InviteCodeException::alreadyUsed();
|
|
}
|
|
|
|
$result = $callback();
|
|
|
|
$invite->forceFill([
|
|
'redeemed_by_account_id' => $result['id'],
|
|
'redeemed_by_username' => $normalizedUsername,
|
|
'redeemed_at' => now(),
|
|
])->save();
|
|
|
|
return $result;
|
|
});
|
|
}
|
|
|
|
/**
|
|
* @return \Illuminate\Support\Collection<int, \App\Models\InviteCode>
|
|
*/
|
|
public function latest(int $limit = 100): Collection
|
|
{
|
|
return InviteCode::query()
|
|
->latest('id')
|
|
->limit($limit)
|
|
->get();
|
|
}
|
|
|
|
/**
|
|
* @return array{total: int, available: int, redeemed: int}
|
|
*/
|
|
public function stats(): array
|
|
{
|
|
$total = InviteCode::query()->count();
|
|
$redeemed = InviteCode::query()->whereNotNull('redeemed_at')->count();
|
|
|
|
return [
|
|
'total' => $total,
|
|
'available' => $total - $redeemed,
|
|
'redeemed' => $redeemed,
|
|
];
|
|
}
|
|
|
|
private function generateUniqueCode(): string
|
|
{
|
|
do {
|
|
$code = $this->normalizeCode(
|
|
Str::upper(Str::random(4)).'-'.Str::upper(Str::random(4)).'-'.Str::upper(Str::random(4)),
|
|
);
|
|
} while (InviteCode::query()->where('code', $code)->exists());
|
|
|
|
return $code;
|
|
}
|
|
|
|
private function normalizeCode(string $code): string
|
|
{
|
|
return Str::upper(trim($code));
|
|
}
|
|
}
|