Release v1.4.7 with ENOENT extraction recovery and lag optimizations

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "real-debrid-downloader",
-  "version": "1.4.6",
+  "version": "1.4.7",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "real-debrid-downloader",
-      "version": "1.4.6",
+      "version": "1.4.7",
       "license": "MIT",
       "dependencies": {
         "adm-zip": "^0.5.16",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "real-debrid-downloader",
-  "version": "1.4.6",
+  "version": "1.4.7",
   "description": "Real-Debrid Downloader Desktop (Electron + React + TypeScript)",
   "main": "build/main/main/main.js",
   "author": "Sucukdeluxe",

src/main/download-manager.ts

@@ -113,6 +113,10 @@ function isFinishedStatus(status: DownloadStatus): boolean {
   return status === "completed" || status === "failed" || status === "cancelled";
 }
 
+function isExtractedLabel(statusText: string): boolean {
+  return /^entpackt\b/i.test(String(statusText || "").trim());
+}
+
 function providerLabel(provider: DownloadItem["provider"]): string {
   if (provider === "realdebrid") {
     return "Real-Debrid";
@@ -169,6 +173,8 @@ export class DownloadManager extends EventEmitter {
 
   private speedBytesLastWindow = 0;
 
+  private lastPersistAt = 0;
+
   private cleanupQueue: Promise<void> = Promise.resolve();
 
   private packagePostProcessQueue: Promise<void> = Promise.resolve();
@@ -1203,13 +1209,28 @@ export class DownloadManager extends EventEmitter {
     if (this.persistTimer) {
       return;
     }
+
+    const itemCount = Object.keys(this.session.items).length;
+    const minGapMs = this.session.running
+      ? itemCount >= 1500
+        ? 1300
+        : itemCount >= 700
+          ? 950
+          : itemCount >= 250
+            ? 700
+            : 450
+      : 250;
+    const sinceLastPersist = nowMs() - this.lastPersistAt;
+    const delay = Math.max(120, minGapMs - sinceLastPersist);
+
     this.persistTimer = setTimeout(() => {
       this.persistTimer = null;
       this.persistNow();
-    }, 250);
+    }, delay);
   }
 
   private persistNow(): void {
+    this.lastPersistAt = nowMs();
     saveSession(this.storagePaths, this.session);
   }
 
@@ -1397,7 +1418,7 @@ export class DownloadManager extends EventEmitter {
 
       if (this.settings.autoExtract && failed === 0 && success > 0) {
         const needsPostProcess = pkg.status !== "completed"
-          || items.some((item) => item.status === "completed" && item.fullStatus !== "Entpackt");
+          || items.some((item) => item.status === "completed" && !isExtractedLabel(item.fullStatus));
         if (needsPostProcess) {
           void this.runPackagePostProcessing(packageId);
         } else if (pkg.status !== "completed") {
@@ -1475,7 +1496,9 @@ export class DownloadManager extends EventEmitter {
           break;
         }
 
-        await sleep(120);
+        const maxParallel = Math.max(1, this.settings.maxParallel);
+        const schedulerSleepMs = this.activeTasks.size >= maxParallel ? 170 : 120;
+        await sleep(schedulerSleepMs);
       }
     } finally {
       this.scheduleRunning = false;
@@ -2381,7 +2404,7 @@ export class DownloadManager extends EventEmitter {
     }
 
     const completedItems = items.filter((item) => item.status === "completed");
-    const alreadyMarkedExtracted = completedItems.length > 0 && completedItems.every((item) => item.fullStatus === "Entpackt");
+    const alreadyMarkedExtracted = completedItems.length > 0 && completedItems.every((item) => isExtractedLabel(item.fullStatus));
 
     if (this.settings.autoExtract && failed === 0 && success > 0 && !alreadyMarkedExtracted) {
       pkg.status = "extracting";
@@ -2436,11 +2459,22 @@ export class DownloadManager extends EventEmitter {
           }
           pkg.status = "failed";
         } else {
-          if (result.extracted > 0) {
+          const hasExtractedOutput = this.directoryHasAnyFiles(pkg.extractDir);
-            for (const entry of completedItems) {
+          const sourceExists = fs.existsSync(pkg.outputDir);
-              entry.fullStatus = "Entpackt";
+          let finalStatusText = "";
-              entry.updatedAt = nowMs();
+
-            }
+          if (result.extracted > 0 || hasExtractedOutput) {
+            finalStatusText = "Entpackt";
+          } else if (!sourceExists) {
+            finalStatusText = "Entpackt (Quelle fehlt)";
+            logger.warn(`Post-Processing ohne Quellordner: pkg=${pkg.name}, outputDir fehlt`);
+          } else {
+            finalStatusText = "Entpackt (keine Archive)";
+          }
+
+          for (const entry of completedItems) {
+            entry.fullStatus = finalStatusText;
+            entry.updatedAt = nowMs();
           }
           pkg.status = "completed";
         }

src/main/extractor.ts

@@ -42,9 +42,18 @@ type ExtractResumeState = {
 };
 
 function findArchiveCandidates(packageDir: string): string[] {
-  const files = fs.readdirSync(packageDir, { withFileTypes: true })
+  if (!packageDir || !fs.existsSync(packageDir)) {
-    .filter((entry) => entry.isFile())
+    return [];
-    .map((entry) => path.join(packageDir, entry.name));
+  }
+
+  let files: string[] = [];
+  try {
+    files = fs.readdirSync(packageDir, { withFileTypes: true })
+      .filter((entry) => entry.isFile())
+      .map((entry) => path.join(packageDir, entry.name));
+  } catch {
+    return [];
+  }
 
   const preferred = files.filter((file) => /\.part0*1\.rar$/i.test(file));
   const zip = files.filter((file) => /\.zip$/i.test(file));
@@ -408,56 +417,6 @@ function escapeRegex(value: string): string {
   return value.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
 }
 
-function captureDirFingerprint(rootDir: string): Map<string, string> {
-  const fingerprint = new Map<string, string>();
-  if (!fs.existsSync(rootDir)) {
-    return fingerprint;
-  }
-
-  const stack = [rootDir];
-  while (stack.length > 0) {
-    const current = stack.pop() as string;
-    let entries: fs.Dirent[] = [];
-    try {
-      entries = fs.readdirSync(current, { withFileTypes: true });
-    } catch {
-      continue;
-    }
-
-    for (const entry of entries) {
-      const full = path.join(current, entry.name);
-      if (entry.isDirectory()) {
-        stack.push(full);
-        continue;
-      }
-      if (!entry.isFile()) {
-        continue;
-      }
-      try {
-        const stat = fs.statSync(full);
-        const relative = path.relative(rootDir, full).toLowerCase();
-        fingerprint.set(relative, `${stat.size}:${stat.mtimeMs}`);
-      } catch {
-        // ignore
-      }
-    }
-  }
-
-  return fingerprint;
-}
-
-function hasDirChanges(before: Map<string, string>, after: Map<string, string>): boolean {
-  if (after.size > before.size) {
-    return true;
-  }
-  for (const [relative, meta] of after.entries()) {
-    if (before.get(relative) !== meta) {
-      return true;
-    }
-  }
-  return false;
-}
-
 export function collectArchiveCleanupTargets(sourceArchivePath: string): string[] {
   const targets = new Set<string>([sourceArchivePath]);
   const dir = path.dirname(sourceArchivePath);
@@ -619,7 +578,6 @@ export async function extractPackageArchives(options: ExtractOptions): Promise<{
 
   const conflictMode = effectiveConflictMode(options.conflictMode);
   const passwordCandidates = archivePasswords(options.passwordList || "");
-  const beforeFingerprint = captureDirFingerprint(options.targetDir);
   const resumeCompleted = readExtractResumeState(options.packageDir);
   const resumeCompletedAtStart = resumeCompleted.size;
   const candidateNames = new Set(candidates.map((archivePath) => path.basename(archivePath)));
@@ -751,10 +709,9 @@ export async function extractPackageArchives(options: ExtractOptions): Promise<{
   }
 
   if (extracted > 0) {
-    const afterFingerprint = captureDirFingerprint(options.targetDir);
+    const hasOutputAfter = hasAnyFilesRecursive(options.targetDir);
-    const changedOutput = hasDirChanges(beforeFingerprint, afterFingerprint);
     const hadResumeProgress = resumeCompletedAtStart > 0;
-    if (!changedOutput && conflictMode !== "skip" && !hadResumeProgress) {
+    if (!hasOutputAfter && conflictMode !== "skip" && !hadResumeProgress) {
       lastError = "Keine entpackten Dateien erkannt";
       failed += extracted;
       extracted = 0;

src/main/logger.ts

@@ -3,6 +3,14 @@ import path from "node:path";
 
 let logFilePath = path.resolve(process.cwd(), "rd_downloader.log");
 let fallbackLogFilePath: string | null = null;
+const LOG_FLUSH_INTERVAL_MS = 120;
+const LOG_BUFFER_LIMIT_CHARS = 1_000_000;
+
+let pendingLines: string[] = [];
+let pendingChars = 0;
+let flushTimer: NodeJS.Timeout | null = null;
+let flushInFlight = false;
+let exitHookAttached = false;
 
 export function configureLogger(baseDir: string): void {
   logFilePath = path.join(baseDir, "rd_downloader.log");
@@ -20,31 +28,126 @@ function appendLine(filePath: string, line: string): { ok: boolean; errorText: s
   }
 }
 
-function write(level: "INFO" | "WARN" | "ERROR", message: string): void {
+async function appendChunk(filePath: string, chunk: string): Promise<{ ok: boolean; errorText: string }> {
-  const line = `${new Date().toISOString()} [${level}] ${message}\n`;
+  try {
-  const primary = appendLine(logFilePath, line);
+    await fs.promises.mkdir(path.dirname(filePath), { recursive: true });
+    await fs.promises.appendFile(filePath, chunk, "utf8");
+    return { ok: true, errorText: "" };
+  } catch (error) {
+    return { ok: false, errorText: String(error) };
+  }
+}
 
+function writeStderr(text: string): void {
+  try {
+    process.stderr.write(text);
+  } catch {
+    // ignore stderr failures
+  }
+}
+
+function flushSyncPending(): void {
+  if (pendingLines.length === 0) {
+    return;
+  }
+
+  const chunk = pendingLines.join("");
+  pendingLines = [];
+  pendingChars = 0;
+
+  const primary = appendLine(logFilePath, chunk);
   if (fallbackLogFilePath) {
-    const fallback = appendLine(fallbackLogFilePath, line);
+    const fallback = appendLine(fallbackLogFilePath, chunk);
     if (!primary.ok && !fallback.ok) {
-      try {
+      writeStderr(`LOGGER write failed (primary+fallback): ${primary.errorText} | ${fallback.errorText}\n`);
-        process.stderr.write(`LOGGER write failed (primary+fallback): ${primary.errorText} | ${fallback.errorText}\n`);
-      } catch {
-        // ignore stderr failures
-      }
     }
     return;
   }
 
   if (!primary.ok) {
-    try {
+    writeStderr(`LOGGER write failed: ${primary.errorText}\n`);
-      process.stderr.write(`LOGGER write failed: ${primary.errorText}\n`);
+  }
-    } catch {
+}
-      // ignore stderr failures
+
+function scheduleFlush(immediate = false): void {
+  if (flushInFlight) {
+    return;
+  }
+  if (immediate) {
+    if (flushTimer) {
+      clearTimeout(flushTimer);
+      flushTimer = null;
+    }
+    void flushAsync();
+    return;
+  }
+  if (flushTimer) {
+    return;
+  }
+  flushTimer = setTimeout(() => {
+    flushTimer = null;
+    void flushAsync();
+  }, LOG_FLUSH_INTERVAL_MS);
+}
+
+async function flushAsync(): Promise<void> {
+  if (flushInFlight || pendingLines.length === 0) {
+    return;
+  }
+
+  flushInFlight = true;
+  const chunk = pendingLines.join("");
+  pendingLines = [];
+  pendingChars = 0;
+
+  try {
+    const primary = await appendChunk(logFilePath, chunk);
+    if (fallbackLogFilePath) {
+      const fallback = await appendChunk(fallbackLogFilePath, chunk);
+      if (!primary.ok && !fallback.ok) {
+        writeStderr(`LOGGER write failed (primary+fallback): ${primary.errorText} | ${fallback.errorText}\n`);
+      }
+    } else if (!primary.ok) {
+      writeStderr(`LOGGER write failed: ${primary.errorText}\n`);
+    }
+  } finally {
+    flushInFlight = false;
+    if (pendingLines.length > 0) {
+      scheduleFlush(true);
     }
   }
 }
 
+function ensureExitHook(): void {
+  if (exitHookAttached) {
+    return;
+  }
+  exitHookAttached = true;
+  process.once("beforeExit", flushSyncPending);
+  process.once("exit", flushSyncPending);
+}
+
+function write(level: "INFO" | "WARN" | "ERROR", message: string): void {
+  ensureExitHook();
+  const line = `${new Date().toISOString()} [${level}] ${message}\n`;
+  pendingLines.push(line);
+  pendingChars += line.length;
+
+  while (pendingChars > LOG_BUFFER_LIMIT_CHARS && pendingLines.length > 1) {
+    const removed = pendingLines.shift();
+    if (!removed) {
+      break;
+    }
+    pendingChars = Math.max(0, pendingChars - removed.length);
+  }
+
+  if (level === "ERROR") {
+    scheduleFlush(true);
+    return;
+  }
+  scheduleFlush();
+}
+
 export const logger = {
   info: (msg: string): void => write("INFO", msg),
   warn: (msg: string): void => write("WARN", msg),

src/main/storage.ts

@@ -205,7 +205,7 @@ export function loadSession(paths: StoragePaths): SessionState {
 
 export function saveSession(paths: StoragePaths, session: SessionState): void {
   ensureBaseDir(paths.baseDir);
-  const payload = JSON.stringify({ ...session, updatedAt: Date.now() }, null, 2);
+  const payload = JSON.stringify({ ...session, updatedAt: Date.now() });
   const tempPath = `${paths.sessionFile}.tmp`;
   fs.writeFileSync(tempPath, payload, "utf8");
   fs.renameSync(tempPath, paths.sessionFile);

src/renderer/App.tsx

@@ -201,21 +201,39 @@ export function App(): ReactElement {
     };
   }, []);
 
-  const packages = useMemo(() => snapshot.session.packageOrder
+  const downloadsTabActive = tab === "downloads";
-    .map((id: string) => snapshot.session.packages[id])
-    .filter(Boolean), [snapshot.session.packageOrder, snapshot.session.packages]);
 
-  const packageOrderKey = useMemo(() => snapshot.session.packageOrder.join("|"), [snapshot.session.packageOrder]);
+  const packages = useMemo(() => {
+    if (!downloadsTabActive) {
+      return [] as PackageEntry[];
+    }
+    return snapshot.session.packageOrder
+      .map((id: string) => snapshot.session.packages[id])
+      .filter(Boolean);
+  }, [downloadsTabActive, snapshot.session.packageOrder, snapshot.session.packages]);
+
+  const packageOrderKey = useMemo(() => {
+    if (!downloadsTabActive) {
+      return "";
+    }
+    return snapshot.session.packageOrder.join("|");
+  }, [downloadsTabActive, snapshot.session.packageOrder]);
 
   const packagePosition = useMemo(() => {
+    if (!downloadsTabActive) {
+      return new Map<string, number>();
+    }
     const map = new Map<string, number>();
     snapshot.session.packageOrder.forEach((id, index) => {
       map.set(id, index);
     });
     return map;
-  }, [packageOrderKey]);
+  }, [downloadsTabActive, packageOrderKey, snapshot.session.packageOrder]);
 
   const itemsByPackage = useMemo(() => {
+    if (!downloadsTabActive) {
+      return new Map<string, DownloadItem[]>();
+    }
     const map = new Map<string, DownloadItem[]>();
     for (const packageId of snapshot.session.packageOrder) {
       const pkg = snapshot.session.packages[packageId];
@@ -228,9 +246,12 @@ export function App(): ReactElement {
       map.set(packageId, items);
     }
     return map;
-  }, [packageOrderKey, snapshot.session.items, snapshot.session.packages]);
+  }, [downloadsTabActive, packageOrderKey, snapshot.session.items, snapshot.session.packages, snapshot.session.packageOrder]);
 
   useEffect(() => {
+    if (!downloadsTabActive) {
+      return;
+    }
     setCollapsedPackages((prev) => {
       const next: Record<string, boolean> = {};
       const defaultCollapsed = snapshot.session.packageOrder.length >= 24;
@@ -239,7 +260,7 @@ export function App(): ReactElement {
       }
       return next;
     });
-  }, [packageOrderKey, snapshot.session.packageOrder.length]);
+  }, [downloadsTabActive, packageOrderKey, snapshot.session.packageOrder.length]);
 
   const deferredDownloadSearch = useDeferredValue(downloadSearch);
 

tests/download-manager.test.ts

@@ -2941,4 +2941,136 @@ describe("download manager", () => {
     expect(snapshot.session.packages[packageId]?.status).toBe("completed");
     expect(snapshot.session.items[itemId]?.fullStatus).toBe("Entpackt");
   });
+
+  it("does not fail startup post-processing when source package dir is missing but extract output exists", async () => {
+    const root = fs.mkdtempSync(path.join(os.tmpdir(), "rd-dm-"));
+    tempDirs.push(root);
+
+    const outputDir = path.join(root, "downloads", "missing-source-ok");
+    const extractDir = path.join(root, "extract", "missing-source-ok");
+    fs.mkdirSync(extractDir, { recursive: true });
+    fs.writeFileSync(path.join(extractDir, "episode.mkv"), "ok", "utf8");
+
+    const session = emptySession();
+    const packageId = "missing-source-ok-pkg";
+    const itemId = "missing-source-ok-item";
+    const createdAt = Date.now() - 20_000;
+    session.packageOrder = [packageId];
+    session.packages[packageId] = {
+      id: packageId,
+      name: "missing-source-ok",
+      outputDir,
+      extractDir,
+      status: "downloading",
+      itemIds: [itemId],
+      cancelled: false,
+      enabled: true,
+      createdAt,
+      updatedAt: createdAt
+    };
+    session.items[itemId] = {
+      id: itemId,
+      packageId,
+      url: "https://dummy/missing-source-ok",
+      provider: "megadebrid",
+      status: "completed",
+      retries: 0,
+      speedBps: 0,
+      downloadedBytes: 123,
+      totalBytes: 123,
+      progressPercent: 100,
+      fileName: "missing-source-ok.part01.rar",
+      targetPath: path.join(outputDir, "missing-source-ok.part01.rar"),
+      resumable: true,
+      attempts: 1,
+      lastError: "",
+      fullStatus: "Fertig (123 B)",
+      createdAt,
+      updatedAt: createdAt
+    };
+
+    const manager = new DownloadManager(
+      {
+        ...defaultSettings(),
+        token: "rd-token",
+        outputDir: path.join(root, "downloads"),
+        extractDir: path.join(root, "extract"),
+        autoExtract: true,
+        enableIntegrityCheck: false,
+        cleanupMode: "none"
+      },
+      session,
+      createStoragePaths(path.join(root, "state"))
+    );
+
+    await waitFor(() => manager.getSnapshot().session.items[itemId]?.fullStatus.startsWith("Entpackt"), 12000);
+    const snapshot = manager.getSnapshot();
+    expect(snapshot.session.packages[packageId]?.status).toBe("completed");
+    expect(snapshot.session.items[itemId]?.fullStatus).toBe("Entpackt");
+  });
+
+  it("marks missing source package dir as extracted instead of failed", async () => {
+    const root = fs.mkdtempSync(path.join(os.tmpdir(), "rd-dm-"));
+    tempDirs.push(root);
+
+    const outputDir = path.join(root, "downloads", "missing-source-empty");
+    const extractDir = path.join(root, "extract", "missing-source-empty");
+
+    const session = emptySession();
+    const packageId = "missing-source-empty-pkg";
+    const itemId = "missing-source-empty-item";
+    const createdAt = Date.now() - 20_000;
+    session.packageOrder = [packageId];
+    session.packages[packageId] = {
+      id: packageId,
+      name: "missing-source-empty",
+      outputDir,
+      extractDir,
+      status: "downloading",
+      itemIds: [itemId],
+      cancelled: false,
+      enabled: true,
+      createdAt,
+      updatedAt: createdAt
+    };
+    session.items[itemId] = {
+      id: itemId,
+      packageId,
+      url: "https://dummy/missing-source-empty",
+      provider: "megadebrid",
+      status: "completed",
+      retries: 0,
+      speedBps: 0,
+      downloadedBytes: 123,
+      totalBytes: 123,
+      progressPercent: 100,
+      fileName: "missing-source-empty.part01.rar",
+      targetPath: path.join(outputDir, "missing-source-empty.part01.rar"),
+      resumable: true,
+      attempts: 1,
+      lastError: "",
+      fullStatus: "Fertig (123 B)",
+      createdAt,
+      updatedAt: createdAt
+    };
+
+    const manager = new DownloadManager(
+      {
+        ...defaultSettings(),
+        token: "rd-token",
+        outputDir: path.join(root, "downloads"),
+        extractDir: path.join(root, "extract"),
+        autoExtract: true,
+        enableIntegrityCheck: false,
+        cleanupMode: "none"
+      },
+      session,
+      createStoragePaths(path.join(root, "state"))
+    );
+
+    await waitFor(() => manager.getSnapshot().session.items[itemId]?.fullStatus.startsWith("Entpackt"), 12000);
+    const snapshot = manager.getSnapshot();
+    expect(snapshot.session.packages[packageId]?.status).toBe("completed");
+    expect(snapshot.session.items[itemId]?.fullStatus).toBe("Entpackt (Quelle fehlt)");
+  });
 });

tests/extractor.test.ts

@@ -331,4 +331,25 @@ describe("extractor", () => {
       signal: controller.signal
     })).rejects.toThrow("aborted:extract");
   });
+
+  it("handles missing package source directory without throwing", async () => {
+    const root = fs.mkdtempSync(path.join(os.tmpdir(), "rd-extract-"));
+    tempDirs.push(root);
+    const packageDir = path.join(root, "pkg-missing");
+    const targetDir = path.join(root, "out");
+    fs.mkdirSync(targetDir, { recursive: true });
+    fs.writeFileSync(path.join(targetDir, "video.mkv"), "ok", "utf8");
+
+    const result = await extractPackageArchives({
+      packageDir,
+      targetDir,
+      cleanupMode: "none",
+      conflictMode: "overwrite",
+      removeLinks: false,
+      removeSamples: false
+    });
+
+    expect(result.failed).toBe(0);
+    expect(result.extracted).toBe(0);
+  });
 });