Fix runtime error when the logs directory is not found

Signed-off-by: João Victor Tozatti Risso <jvtr12@inf.ufpr.br>

src/libs/log.js

@@ -2,6 +2,8 @@ const config = require('./config');
 
 const winston = require('winston');
 
+const fs = require('fs');
+
 winston.emitErrs = true;
 
 function getFilePath(module) {
@@ -10,12 +12,22 @@ function getFilePath(module) {
 }
 
 function logger(module) {
+    const logPath = `${process.cwd()}/logs`;
+    /* Check if logs directory exists */
+    try {
+        fs.accessSync(logPath, fs.F_OK, () => {});
+    } catch (err) {
+        // if logs directory does not exist, create it.
+        fs.mkdirSync(logPath, 0o700, (dirErr) => {
+            throw new Error(`Failed to create logs directory!\n\tError: ${dirErr}`);
+        });
+    }
     const log = new winston.Logger({
         transports: [
             new winston.transports.File({
                 name: 'info-log',
                 level: 'info',
-                filename: `${process.cwd()}/logs/all.log`,
+                filename: `${logPath}/all.log`,
                 handleException: true,
                 json: false,
                 maxSize: 5242880, // 5MB
@@ -33,7 +45,10 @@ function logger(module) {
         ],
         exitOnError: false,
     });
-    if (!config.get('debug')) {
+
+    const debugMode = (typeof config.get('debug') === 'undefined') ?
+        config.get('debug') : false;
+    if (!debugMode) {
         log.remove('debug-log');
     }
     return log;