feat: system tools and admin enhancements

app/Http/Controllers/StatsController.php

@@ -5,17 +5,157 @@ namespace App\Http\Controllers;
 use App\Models\Post;
 use App\Models\Thread;
 use App\Models\User;
+use App\Models\Attachment;
+use App\Models\Setting;
+use Illuminate\Support\Carbon;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Storage;
 use Illuminate\Http\JsonResponse;
 
 class StatsController extends Controller
 {
     public function __invoke(): JsonResponse
     {
+        $threadsCount = Thread::query()->withoutTrashed()->count();
+        $postsCount = Post::query()->withoutTrashed()->count();
+        $usersCount = User::query()->count();
+        $attachmentsCount = Attachment::query()->withoutTrashed()->count();
+        $attachmentsSizeBytes = (int) Attachment::query()->withoutTrashed()->sum('size_bytes');
+
+        $boardStartedAt = $this->resolveBoardStartedAt();
+        $daysSinceStart = $boardStartedAt
+            ? max(1, Carbon::parse($boardStartedAt)->diffInSeconds(now()) / 86400)
+            : null;
+
+        $dbSizeBytes = $this->resolveDatabaseSize();
+        $dbServer = $this->resolveDatabaseServer();
+        $avatarSizeBytes = $this->resolveAvatarDirectorySize();
+        $orphanAttachments = $this->resolveOrphanAttachments();
+
+        $version = Setting::query()->where('key', 'version')->value('value');
+        $build = Setting::query()->where('key', 'build')->value('value');
+        $boardVersion = $version
+            ? ($build ? "{$version} (build {$build})" : $version)
+            : null;
+
         return response()->json([
-            'threads' => Thread::query()->withoutTrashed()->count(),
-            'posts' => Post::query()->withoutTrashed()->count()
-                + Thread::query()->withoutTrashed()->count(),
-            'users' => User::query()->count(),
+            'threads' => $threadsCount,
+            'posts' => $postsCount + $threadsCount,
+            'users' => $usersCount,
+            'attachments' => $attachmentsCount,
+            'board_started_at' => $boardStartedAt,
+            'attachments_size_bytes' => $attachmentsSizeBytes,
+            'avatar_directory_size_bytes' => $avatarSizeBytes,
+            'database_size_bytes' => $dbSizeBytes,
+            'database_server' => $dbServer,
+            'gzip_compression' => $this->resolveGzipCompression(),
+            'php_version' => PHP_VERSION,
+            'orphan_attachments' => $orphanAttachments,
+            'board_version' => $boardVersion,
+            'posts_per_day' => $daysSinceStart ? ($postsCount + $threadsCount) / $daysSinceStart : null,
+            'topics_per_day' => $daysSinceStart ? $threadsCount / $daysSinceStart : null,
+            'users_per_day' => $daysSinceStart ? $usersCount / $daysSinceStart : null,
+            'attachments_per_day' => $daysSinceStart ? $attachmentsCount / $daysSinceStart : null,
         ]);
     }
+
+    private function resolveBoardStartedAt(): ?string
+    {
+        $timestamps = [
+            User::query()->min('created_at'),
+            Thread::query()->min('created_at'),
+            Post::query()->min('created_at'),
+        ];
+
+        $min = null;
+        foreach ($timestamps as $value) {
+            if (!$value) {
+                continue;
+            }
+            $time = Carbon::parse($value)->timestamp;
+            if ($min === null || $time < $min) {
+                $min = $time;
+            }
+        }
+
+        return $min !== null ? Carbon::createFromTimestamp($min)->toIso8601String() : null;
+    }
+
+    private function resolveDatabaseSize(): ?int
+    {
+        try {
+            $driver = DB::connection()->getDriverName();
+            if ($driver === 'mysql') {
+                $row = DB::selectOne('SELECT SUM(data_length + index_length) AS size FROM information_schema.tables WHERE table_schema = DATABASE()');
+                return $row && isset($row->size) ? (int) $row->size : null;
+            }
+        } catch (\Throwable) {
+            return null;
+        }
+
+        return null;
+    }
+
+    private function resolveDatabaseServer(): ?string
+    {
+        try {
+            $row = DB::selectOne('SELECT VERSION() AS version');
+            return $row && isset($row->version) ? (string) $row->version : null;
+        } catch (\Throwable) {
+            return null;
+        }
+    }
+
+    private function resolveAvatarDirectorySize(): ?int
+    {
+        try {
+            $disk = Storage::disk('public');
+            $files = $disk->allFiles('avatars');
+            $total = 0;
+            foreach ($files as $file) {
+                $total += $disk->size($file);
+            }
+            return $total;
+        } catch (\Throwable) {
+            return null;
+        }
+    }
+
+    private function resolveOrphanAttachments(): int
+    {
+        try {
+            return (int) DB::table('attachments')
+                ->leftJoin('threads', 'attachments.thread_id', '=', 'threads.id')
+                ->leftJoin('posts', 'attachments.post_id', '=', 'posts.id')
+                ->whereNull('attachments.deleted_at')
+                ->where(function ($query) {
+                    $query
+                        ->whereNull('attachments.thread_id')
+                        ->whereNull('attachments.post_id')
+                        ->orWhere(function ($inner) {
+                            $inner->whereNotNull('attachments.thread_id')
+                                ->where(function ($inner2) {
+                                    $inner2->whereNull('threads.id')
+                                        ->orWhereNotNull('threads.deleted_at');
+                                });
+                        })
+                        ->orWhere(function ($inner) {
+                            $inner->whereNotNull('attachments.post_id')
+                                ->where(function ($inner2) {
+                                    $inner2->whereNull('posts.id')
+                                        ->orWhereNotNull('posts.deleted_at');
+                                });
+                        });
+                })
+                ->count();
+        } catch (\Throwable) {
+            return 0;
+        }
+    }
+
+    private function resolveGzipCompression(): bool
+    {
+        $value = ini_get('zlib.output_compression');
+        return in_array(strtolower((string) $value), ['1', 'on', 'true'], true);
+    }
 }