Provide a recovery process in case of inaccessibility of project files

modules/messageLoader.js

@@ -3,6 +3,7 @@ https://github.com/sergeiown/Alert_Server/blob/main/LICENSE */
 
 'use strict';
 
+const { exec } = require('child_process');
 const fs = require('fs');
 const path = require('path');
 const os = require('os');
@@ -40,12 +41,18 @@ try {
             second: '2-digit',
         })
         .replace(/,\s*/g, ',');
-    const logMessage = `${currentDateTime},An error occurred while reading or parsing ${messagesPath}`;
-    const logFilePath = path.join(process.env.TEMP, 'alertserver_log.csv');
+    const logMessage = `${currentDateTime},File not found: ${messagesPath}. Starting the recovery process.`;
+    const logFilePath = path.join(process.cwd(), 'event.log');
+    const recoveryBatPath = path.join(process.cwd(), 'start_recovery.bat');
     fs.appendFileSync(logFilePath, logMessage + os.EOL, 'utf-8');
     console.error(logMessage);
-    messages = {};
-    process.exit();
+
+    exec(`start cmd /c "${recoveryBatPath}"`, (execError) => {
+        if (execError) {
+            console.error(execError.message);
+            return;
+        }
+    });
 }
 
 module.exports = messages;

modules/systemEventAndErrorHandler.js

@@ -42,21 +42,32 @@ const formatStackTrace = (stack) => {
 
 const handleExceptionAndRestart = () => {
     const batFilePath = path.join(__dirname, '..', 'start_alertserver_hidden.bat');
+    const recoveryBatPath = path.join(__dirname, '..', 'start_recovery.bat');
 
     process.on('uncaughtException', (error) => {
         logEvent(messages.msg_50);
         logEvent(error.message);
         formatStackTrace(error.stack).forEach((line) => logEvent(line));
 
-        checkRestartFrequency();
-        writeRestartTimestamp();
-
-        exec(`cmd /c "${batFilePath}"`, (error) => {
-            if (error) {
-                logEvent(messages.msg_56);
-                return;
-            }
-        });
+        if (error.code === 'ENOENT') {
+            logEvent(`File not found: ${error.path}. Starting the recovery process.`);
+            exec(`start cmd /c "${recoveryBatPath}"`, (execError) => {
+                if (execError) {
+                    logEvent(execError.message);
+                    return;
+                }
+            });
+        } else {
+            checkRestartFrequency();
+            writeRestartTimestamp();
+
+            exec(`cmd /c "${batFilePath}"`, (error) => {
+                if (error) {
+                    logEvent(messages.msg_56);
+                    return;
+                }
+            });
+        }
     });
 };
 

start_dependencies_installer.bat

@@ -2,6 +2,7 @@
 :: https://github.com/sergeiown/Alert_Server/blob/main/LICENSE
 
 @echo off
+title Dependencies installation
 
 for /f "delims=" %%i in ('where npm') do set "npmPath=%%i"
 

start_node_js_installer.bat

@@ -2,6 +2,7 @@
 :: https://github.com/sergeiown/Alert_Server/blob/main/LICENSE
 
 @echo off
+title NodeJS installation
 
 where node > nul 2>nul
 

start_recovery.bat

@@ -0,0 +1,71 @@
+:: Copyright (c) 2024 Serhii I. Myshko
+:: https://github.com/sergeiown/Alert_Server/blob/main/LICENSE
+
+@echo off
+title Alert Server Recovery
+
+cls & echo Starting the recovery process...
+echo. & timeout /t 2 /nobreak > nul
+
+taskkill /f /im node.exe >nul 2>nul
+
+set "installationDir=%USERPROFILE%\Documents\Alert_Server"
+set "tempDir=%USERPROFILE%\Documents\Temp_Alert_Server"
+cd /d "%installationDir%"
+
+for /f "delims=" %%i in ('where git') do set "gitPath=%%i"
+
+if not defined gitPath (
+    echo Error: Git is not installed or not found in PATH.
+    echo Attempting to use a fallback path...
+    set "gitPath=%ProgramW6432%\Git\bin\git.exe"
+)
+
+set "githubUrl=https://github.com/sergeiown/Alert_Server"
+
+if exist "%tempDir%" (
+    echo Temporary directory exists. Cleaning it up...
+    rmdir /s /q "%tempDir%"
+)
+mkdir "%tempDir%"
+
+echo Cloning the project from GitHub...
+"%gitPath%" clone "%githubUrl%" "%tempDir%"
+
+if %errorlevel% neq 0 (
+    echo Error: Failed to clone the project.
+    pause & exit /b 1
+)
+
+echo Moving files from temporary directory to installation directory...
+xcopy /e /y /q "%tempDir%\*" "%installationDir%\"
+
+if %errorlevel% neq 0 (
+    echo Error: Failed to move files.
+    pause & exit /b 1
+)
+
+rmdir /s /q "%tempDir%"
+
+echo. & timeout /t 2 /nobreak > nul
+
+call "%installationDir%\start_dependencies_installer.bat"
+
+echo. & timeout /t 2 /nobreak > nul
+
+set sourceFile=%installationDir%\resources\images\tray.ico
+set destFile=%installationDir%\node_modules\trayicon\rsrcs\default.ico
+
+if exist "%destFile%" (
+    del "%destFile%"
+)
+copy "%sourceFile%" "%destFile%"
+
+echo. & echo Recovery is complete.
+timeout /t 2 /nobreak > nul
+echo. & echo The settings are set to the default values.
+echo. & timeout /t 5 /nobreak > nul
+
+start /min "" powershell -WindowStyle Hidden -Command "& { $timestamp = Get-Date -Format 'dd.MM.yyyy HH:mm:ss'; Write-Output \"[$timestamp]\" | Out-File -FilePath 'error.log' -Append -Encoding utf8; node index.js 2>> error.log }"
+
+exit /b

start_uninstall.bat

@@ -2,6 +2,7 @@
 :: https://github.com/sergeiown/Alert_Server/blob/main/LICENSE
 
 @echo off
+title Alert Server Uninstall
 
 taskkill /f /im "node.exe" >nul 2>nul
 

stop_alertserver.bat

@@ -2,8 +2,9 @@
 :: https://github.com/sergeiown/Alert_Server/blob/main/LICENSE
 
 @echo off
+title Alert Server Shut down
 
 taskkill /f /im node.exe >nul 2>nul
 
-echo Alert update server is stopped.
+echo Alert Server is stopped.
 pause