79 lines
2.3 KiB
PHP
79 lines
2.3 KiB
PHP
<?php
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declare(strict_types=1);
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namespace App\Services;
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use App\Models\ArtworkComment;
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use App\Models\User;
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use Illuminate\Support\Facades\DB;
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use Illuminate\Support\Facades\Schema;
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final class UserMentionSyncService
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{
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public function syncForComment(ArtworkComment $comment): void
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{
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if (! Schema::hasTable('user_mentions')) {
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return;
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}
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$usernames = $this->extractMentions((string) ($comment->raw_content ?? $comment->content ?? ''));
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$mentionedIds = $usernames === []
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? []
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: User::query()
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->whereIn(DB::raw('LOWER(username)'), $usernames)
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->where('is_active', true)
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->whereNull('deleted_at')
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->pluck('id')
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->map(fn ($id) => (int) $id)
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->all();
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DB::transaction(function () use ($comment, $mentionedIds): void {
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DB::table('user_mentions')
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->where('comment_id', (int) $comment->id)
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->delete();
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if ($mentionedIds === []) {
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return;
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}
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$rows = collect($mentionedIds)
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->reject(fn (int $id) => $id === (int) $comment->user_id)
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->unique()
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->map(fn (int $mentionedUserId) => [
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'user_id' => (int) $comment->user_id,
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'mentioned_user_id' => $mentionedUserId,
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'artwork_id' => (int) $comment->artwork_id,
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'comment_id' => (int) $comment->id,
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'created_at' => $comment->created_at ?? now(),
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])
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->values()
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->all();
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if ($rows !== []) {
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DB::table('user_mentions')->insert($rows);
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}
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});
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}
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public function deleteForComment(int $commentId): void
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{
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if (! Schema::hasTable('user_mentions')) {
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return;
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}
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DB::table('user_mentions')->where('comment_id', $commentId)->delete();
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}
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private function extractMentions(string $content): array
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{
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preg_match_all('/(^|[^A-Za-z0-9_])@([A-Za-z0-9_-]{3,20})/', $content, $matches);
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return collect($matches[2] ?? [])
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->map(fn ($username) => strtolower((string) $username))
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->unique()
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->values()
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->all();
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}
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}
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