feat: add logger with write to file

ServerLMS/Systems/logger.h

@@ -1,25 +1,58 @@
 #ifndef LOGGER_H
 #define LOGGER_H
 
+#include <QPlainTextEdit>
+#include <QDateTime>
+#include <QMutex>
 #include <QObject>
+#include <QDebug>
+#include <QDir>
+#include "Systems/tools.h"
+
+enum LogLevel
+{
+    INFO,
+    WARNING,
+    ERROR,
+    CRITICAL
+};
+
+enum LoggingType
+{
+    WIDGET,
+    CONSOLE,
+    TOFILE
+};
 
 class Logger : public QObject
 {
     Q_OBJECT
 
 public:
-    explicit Logger();
+    Logger();
+    static Logger& instance();
     ~Logger();
-    void setTypeLog(QString type);
+    void setWidget(QPlainTextEdit * widget);
+    void setLoggingType(LoggingType type);
+    void log(QString message,LogLevel level = INFO);
+    void setLogFile(QString filePath);
+    void setLogToFile(bool flag);
+
 public slots:
-    void addTextToLogger(QString msg);
+    void handleLog(QString msg,LogLevel logLevel = INFO);
 
 signals:
-    void sigSendTextToLogger(QString msg);
+    void sigAddToLogger(QString msg, LogLevel logLevel = INFO);
+    void sigLogToWidget(QString message);
 
 private:
-    //ServerLMSWidget *listWidget;
-    QString typeLogger;
+    QString msg;
+    QFile logFile;
+    LoggingType loggingType;
+    QMutex mutex;
+    bool isLogToFile;
+
+    void createDirectory();
 };
 
 #endif // LOGGER_H