Add optional site archive backups

server/admin-server.mjs

@@ -33,6 +33,7 @@ function resolveCmsPath(value) {
 
 let projectConfig = await loadProjectConfig();
 const repoRoot = resolveCmsPath(process.env.SITE_ROOT || projectConfig.siteRoot || "../NODEDC_SITE");
+const siteBackupRoot = join(repoRoot, ".cms-backups");
 const pagePath = join(repoRoot, "content", "pages", "home.json");
 const knowledgePath = join(repoRoot, "content", "knowledge.json");
 const blockTemplatesPath = join(repoRoot, "content", "block-templates", "home.json");
@@ -106,7 +107,7 @@ const MEDIA_EXTENSIONS = new Set([
   ".woff",
   ".woff2",
 ]);
-const BROWSER_EXCLUDED_DIRS = new Set([".git", ".trash", "node_modules"]);
+const BROWSER_EXCLUDED_DIRS = new Set([".cms-backups", ".git", ".trash", "node_modules"]);
 const REFERENCE_TEXT_EXTENSIONS = new Set([
   ".css",
   ".html",
@@ -1649,12 +1650,28 @@ async function clearSiteWorkspace() {
   await mkdir(repoRoot, { recursive: true });
   const entries = await readdir(repoRoot, { withFileTypes: true }).catch(() => []);
   for (const entry of entries) {
-    if (entry.name === ".git") continue;
+    if (entry.name === ".git" || entry.name === ".cms-backups") continue;
     await rm(join(repoRoot, entry.name), { recursive: true, force: true });
   }
 }
 
-async function unpackSiteArchive({ fileName, fileBuffer }) {
+async function saveSiteArchiveBackup({ fileName, fileBuffer }) {
+  const timestamp = new Date().toISOString().replace(/[:.]/g, "-");
+  const sourceBase = String(fileName || "site.zip").replace(/\.zip$/i, "");
+  const backupName = `${timestamp}-${sanitizePathSegment(sourceBase)}.zip`;
+  const absolutePath = join(siteBackupRoot, backupName);
+  await mkdir(siteBackupRoot, { recursive: true });
+  await writeFile(absolutePath, fileBuffer);
+  return {
+    saved: true,
+    fileName: backupName,
+    path: `.cms-backups/${backupName}`,
+    bytes: fileBuffer.length,
+    label: formatProjectSize(fileBuffer.length),
+  };
+}
+
+async function unpackSiteArchive({ fileName, fileBuffer }, { keepBackup = false } = {}) {
   if (!fileName.toLowerCase().endsWith(".zip")) {
     throw new Error("Пока поддержан архив сайта в формате .zip");
   }
@@ -1674,6 +1691,9 @@ async function unpackSiteArchive({ fileName, fileBuffer }) {
     throw new Error(`Архив сайта неполный. Отсутствует: ${missingRequired.join(", ")}`);
   }
 
+  const backup = keepBackup
+    ? await saveSiteArchiveBackup({ fileName, fileBuffer })
+    : { saved: false, fileName: "", path: "", bytes: 0, label: "0 МБ" };
   await clearSiteWorkspace();
 
   let files = 0;
@@ -1689,7 +1709,7 @@ async function unpackSiteArchive({ fileName, fileBuffer }) {
     }
 
     if (!relativePath) continue;
-    if (pathSegments(relativePath).some((segment) => segment === ".git" || segment === "node_modules")) continue;
+    if (pathSegments(relativePath).some((segment) => BROWSER_EXCLUDED_DIRS.has(segment))) continue;
 
     const targetPath = join(repoRoot, relativePath);
     const resolvedTarget = resolve(targetPath);
@@ -1720,6 +1740,7 @@ async function unpackSiteArchive({ fileName, fileBuffer }) {
     files,
     bytes,
     label: formatProjectSize(bytes),
+    backup,
     site,
     size: await calculateProjectSize(),
   };
@@ -2845,7 +2866,8 @@ const server = createServer(async (req, res) => {
         return;
       }
       const upload = parseMultipartUpload(req, await readBodyBuffer(req));
-      const result = await unpackSiteArchive(upload);
+      const keepBackup = ["1", "true", "yes"].includes(String(url.searchParams.get("backup") || "").toLowerCase());
+      const result = await unpackSiteArchive(upload, { keepBackup });
       sendJson(res, 200, result);
       return;
     }