backup + decriptare toate fisiere done

User/helpers/http_status.js

@@ -0,0 +1,36 @@
+const httpStatus = {
+    // Informational
+    CONTINUE: 100,
+    SWITCHING_PROTOCOLS: 101,
+    PROCESSING: 102,
+
+    // Success
+    OK: 200,
+    CREATED: 201,
+    ACCEPTED: 202,
+    NO_CONTENT: 204,
+
+    // Redirection
+    MOVED_PERMANENTLY: 301,
+    FOUND: 302,
+    SEE_OTHER: 303,
+    NOT_MODIFIED: 304,
+    TEMPORARY_REDIRECT: 307,
+
+    // Client Error
+    BAD_REQUEST: 400,
+    UNAUTHORIZED: 401,
+    FORBIDDEN: 403,
+    NOT_FOUND: 404,
+    METHOD_NOT_ALLOWED: 405,
+    CONFLICT: 409,
+    GONE: 410,
+    UNSUPPORTED_MEDIA_TYPE: 415,
+
+    // Server Error
+    INTERNAL_SERVER_ERROR: 500,
+    NOT_IMPLEMENTED: 501,
+    SERVICE_UNAVAILABLE: 503
+};
+
+module.exports = { httpStatus };

User/helpers/lock_mechanism.js

@@ -0,0 +1,33 @@
+const lockfile = require('proper-lockfile');
+
+async function lockFile(filePath) {
+    try {
+        await lockfile.lock(filePath, {
+            realpath: false,
+            retries: {
+                retries: 10,        // Number of retries
+                factor: 2,          // The exponential factor
+                minTimeout: 1000,   // The number of milliseconds before starting the first retry
+                maxTimeout: 5000,   // The maximum number of milliseconds between two retries
+                randomize: true,    // Randomizes the timeouts by multiplying with a factor between 1 to 2
+            }
+        });
+        console.log(`File locked: ${filePath}`);
+    } catch (error) {
+        console.error(`Error locking file ${filePath}: ${error.message}`);
+        throw error; // Propagate the error if unable to lock after retries
+    }
+}
+
+async function unlockFile(filePath) {
+    try {
+        await lockfile.unlock(filePath);
+        console.log(`File unlocked: ${filePath}`);
+    } catch (error) {
+        console.error(`Error unlocking file ${filePath}: ${error.message}`);
+        // Decide whether to throw the error or not, based on your error handling strategy
+        throw error;
+    }
+}
+
+module.exports = {lockFile, unlockFile}