Merge pull request #49 from QuasarApp/logclass

добавлен класс логирования

SaundBand-Widgets/SaundBand-Widgets.pro

@@ -35,7 +35,8 @@ SOURCES += \
     songmodel.cpp \
     ../sync/player.cpp \
     ../sync/chronotime.cpp \
-    ../sync/mysql.cpp
+    ../sync/mysql.cpp \
+    ../sync/Log.cpp
 
 HEADERS += \
         mainwindow.h \
@@ -50,7 +51,8 @@ HEADERS += \
     songmodel.h \
     ../sync/player.h \
     ../sync/chronotime.h \
-    ../sync/mysql.h
+    ../sync/mysql.h \
+    ../sync/Log.h
 
 FORMS += \
         mainwindow.ui

sync/Log.cpp

@@ -0,0 +1,44 @@
+#include "Log.h"
+
+Log::Log(const QString &fileName)
+{
+    m_showDate = true;
+    if (!fileName.isEmpty()) {
+        file = new QFile;
+        file->setFileName(fileName);
+        file->open(QIODevice::Append | QIODevice::Text);
+    }
+}
+
+void Log::write(const QString &value, LogType logType) {
+    QString text = value;// + "";
+    switch (logType) {
+    case INFORMATION:
+        text = "INFORMATION: " + text;
+        break;
+    case WARNING:
+        text = "WARNING: " + text;
+        break;
+    case ERROR:
+        text = "ERROR: " + text;
+        break;
+    default:
+        break;
+    }
+    if (m_showDate)
+        text = QDateTime::currentDateTime().toString("dd.MM.yyyy hh:mm:ss ") + text;
+    QTextStream out(file);
+    out.setCodec("UTF-8");
+    if (file != 0){
+        out << text + "\n";
+    }
+}
+
+void Log::setShowDateTime(bool value) {
+    m_showDate = value;
+}
+
+Log::~Log() {
+    if (file != 0)
+    file->close();
+}

sync/Log.h

@@ -0,0 +1,24 @@
+#ifndef LOG_H
+#define LOG_H
+
+#include <QFile>
+#include <QTextStream>
+#include <QDateTime>
+
+enum LogType{ERROR, WARNING, INFORMATION};
+
+class Log
+{
+public:
+    explicit Log(const QString &fileName);
+    ~Log();
+    void setShowDateTime(bool value);
+    void write(const QString &value, LogType logType = INFORMATION);
+
+private:
+    QFile *file;
+    bool m_showDate;
+
+};
+
+#endif // LOG_H