Create api/stats.php

api/stats.php

@@ -0,0 +1,79 @@
+<?php
+header('Content-Type: application/json');
+header('Access-Control-Allow-Origin: *');
+header('Access-Control-Allow-Methods: GET, OPTIONS');
+header('Access-Control-Allow-Headers: Content-Type');
+
+if ($_SERVER['REQUEST_METHOD'] === 'OPTIONS') {
+    http_response_code(204);
+    exit;
+}
+
+if ($_SERVER['REQUEST_METHOD'] !== 'GET') {
+    http_response_code(405);
+    echo json_encode(['error' => 'Method not allowed']);
+    exit;
+}
+
+// Connect to SQLite
+$db = new PDO('sqlite:/data/db/platform.sqlite');
+$db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+
+// Total users
+$totalUsers = $db->query('SELECT COUNT(*) FROM users')->fetchColumn();
+
+// Disk usage of /data
+$totalBytes = diskTotalSpace('/data');
+$freeBytes  = diskFreeSpace('/data');
+$usedBytes  = $totalBytes - $freeBytes;
+
+// Per-user disk usage
+$users     = $db->query('SELECT username FROM users ORDER BY username')->fetchAll(PDO::FETCH_COLUMN);
+$userStats = [];
+
+foreach ($users as $username) {
+    $htdocs = "/data/sites/{$username}/htdocs";
+    $size   = is_dir($htdocs) ? directorySize($htdocs) : 0;
+    $userStats[] = [
+        'username'   => $username,
+        'size_bytes' => $size,
+        'size_human' => humanSize($size)
+    ];
+}
+
+echo json_encode([
+    'success'      => true,
+    'total_users'  => (int)$totalUsers,
+    'disk' => [
+        'total_bytes' => $totalBytes,
+        'used_bytes'  => $usedBytes,
+        'free_bytes'  => $freeBytes,
+        'total_human' => humanSize($totalBytes),
+        'used_human'  => humanSize($usedBytes),
+        'free_human'  => humanSize($freeBytes),
+        'used_percent'=> $totalBytes > 0 ? round(($usedBytes / $totalBytes) * 100, 2) : 0
+    ],
+    'users' => $userStats
+]);
+
+// ── Helpers ───────────────────────────────────────────────────────────────────
+function directorySize(string $dir): int {
+    $size  = 0;
+    $items = new RecursiveIteratorIterator(
+        new RecursiveDirectoryIterator($dir, FilesystemIterator::SKIP_DOTS)
+    );
+    foreach ($items as $item) {
+        $size += $item->getSize();
+    }
+    return $size;
+}
+
+function humanSize(int $bytes): string {
+    $units = ['B', 'KB', 'MB', 'GB', 'TB'];
+    $i     = 0;
+    while ($bytes >= 1024 && $i < count($units) - 1) {
+        $bytes /= 1024;
+        $i++;
+    }
+    return round($bytes, 2) . ' ' . $units[$i];
+}