45 lines
1.2 KiB
PHP
45 lines
1.2 KiB
PHP
<?php
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declare(strict_types=1);
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namespace App\Http\Controllers\Api;
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use App\Http\Controllers\Controller;
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use App\Http\Requests\UsernameRequest;
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use App\Models\User;
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use App\Support\UsernamePolicy;
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use Illuminate\Http\JsonResponse;
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use Illuminate\Http\Request;
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final class UsernameAvailabilityController extends Controller
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{
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public function __invoke(Request $request): JsonResponse
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{
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$candidate = UsernamePolicy::normalize((string) $request->query('username', ''));
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$validator = validator(
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['username' => $candidate],
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['username' => UsernameRequest::formatRules()]
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);
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if ($validator->fails()) {
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return response()->json([
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'available' => false,
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'normalized' => $candidate,
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'errors' => $validator->errors()->toArray(),
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], 422);
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}
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$ignoreUserId = $request->user()?->id;
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$exists = User::query()
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->whereRaw('LOWER(username) = ?', [$candidate])
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->when($ignoreUserId !== null, fn ($q) => $q->where('id', '!=', (int) $ignoreUserId))
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->exists();
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return response()->json([
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'available' => ! $exists,
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'normalized' => $candidate,
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]);
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}
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}
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