enhance logging function

src/handler/eventHandler.cpp

@@ -272,7 +272,7 @@ int EventHandler::pointerHandler(const int type, const int par1, const int par2)
                 else
                 {
                     HideHourglass();
-                    Log::writeLog("login failed.");
+                    Log::writeErrorLog("login failed.");
                 }
                 return 0;
             }

src/util/log.cpp

@@ -12,9 +12,19 @@
 #include <string>
 #include <fstream>
 
+void Log::writeInfoLog(const std::string &text)
+{
+    writeLog("Info:" + text);
+}
+
+void Log::writeErrorLog(const std::string &text)
+{
+    writeLog("Error:" + text);
+}
+
 void Log::writeLog(const std::string &text)
 {
-    std::ofstream log(LOG_PATH + std::string("/logfile.txt"), std::ios_base::app | std::ios_base::out);
+    std::ofstream log(CONFIG_FOLDER + std::string("/logfile.txt"), std::ios_base::app | std::ios_base::out);
 
     time_t rawtime;
     struct tm *timeinfo;
@@ -25,7 +35,7 @@ void Log::writeLog(const std::string &text)
 
     strftime(buffer, sizeof(buffer), "%d/%b/%Y:%H:%M:%S %z", timeinfo);
 
-    log << buffer << ":" << text << "\n";
+    log << buffer << ':' << text << "\n";
 
     log.close();
 }

src/util/log.h

@@ -16,14 +16,28 @@
 class Log
 {
 public:
+    /**
+        * Writes a error log entry to the log file
+        *
+        * @param text that shall be written to the log
+        */
+    static void writeErrorLog(const std::string &text);
+
+    /**
+        * Writes a info log entry to the log file
+        *
+        * @param text that shall be written to the log
+        */
+    static void writeInfoLog(const std::string &text);
+
+private:
+    Log() {}
+
     /**
         * Writes a log entry to the log file
         *
         * @param text that shall be written to the log
         */
     static void writeLog(const std::string &text);
-
-private:
-    Log() {}
 };
 #endif