feat: add community activity feed and mentions

2026-03-17 18:26:57 +01:00
parent 2728644477
commit 2119741ba7
15 changed files with 1280 additions and 112 deletions
--- a/app/Services/UserMentionSyncService.php
+++ b/app/Services/UserMentionSyncService.php
@@ -0,0 +1,78 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Services;
+
+use App\Models\ArtworkComment;
+use App\Models\User;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
+
+final class UserMentionSyncService
+{
+    public function syncForComment(ArtworkComment $comment): void
+    {
+        if (! Schema::hasTable('user_mentions')) {
+            return;
+        }
+
+        $usernames = $this->extractMentions((string) ($comment->raw_content ?? $comment->content ?? ''));
+        $mentionedIds = $usernames === []
+            ? []
+            : User::query()
+                ->whereIn(DB::raw('LOWER(username)'), $usernames)
+                ->where('is_active', true)
+                ->whereNull('deleted_at')
+                ->pluck('id')
+                ->map(fn ($id) => (int) $id)
+                ->all();
+
+        DB::transaction(function () use ($comment, $mentionedIds): void {
+            DB::table('user_mentions')
+                ->where('comment_id', (int) $comment->id)
+                ->delete();
+
+            if ($mentionedIds === []) {
+                return;
+            }
+
+            $rows = collect($mentionedIds)
+                ->reject(fn (int $id) => $id === (int) $comment->user_id)
+                ->unique()
+                ->map(fn (int $mentionedUserId) => [
+                    'user_id' => (int) $comment->user_id,
+                    'mentioned_user_id' => $mentionedUserId,
+                    'artwork_id' => (int) $comment->artwork_id,
+                    'comment_id' => (int) $comment->id,
+                    'created_at' => $comment->created_at ?? now(),
+                ])
+                ->values()
+                ->all();
+
+            if ($rows !== []) {
+                DB::table('user_mentions')->insert($rows);
+            }
+        });
+    }
+
+    public function deleteForComment(int $commentId): void
+    {
+        if (! Schema::hasTable('user_mentions')) {
+            return;
+        }
+
+        DB::table('user_mentions')->where('comment_id', $commentId)->delete();
+    }
+
+    private function extractMentions(string $content): array
+    {
+        preg_match_all('/(^|[^A-Za-z0-9_])@([A-Za-z0-9_-]{3,20})/', $content, $matches);
+
+        return collect($matches[2] ?? [])
+            ->map(fn ($username) => strtolower((string) $username))
+            ->unique()
+            ->values()
+            ->all();
+    }
+}