1 files changed, 94 insertions, 0 deletions
diff --git a/app/file_operation.cpp b/app/file_operation.cpp
new file mode 100644
index 0000000..5cb75e0
--- /dev/null
+++ b/app/file_operation.cpp
@@ -0,0 +1,94 @@
+#include "file_operation.h"
+
+File_Operation::File_Operation(){
+    initFileOperation();
+}
+
+File_Operation::~File_Operation(){
+
+}
+
+void File_Operation::initFileOperation(){
+
+    m_mapAccessToken = "";
+    m_car_speed = 60; // set default Km/h
+    m_update_interval = 100; // set default millisecond
+    m_start_latitude = 36.136261; // set default coordinate Westgate
+    m_start_longitute = -115.151254;
+    m_mapStyleUrls = "mapbox://styles/mapbox/streets-v10"; // set default map style
+
+    QFile file(NAVI_CONFIG_FILEPATH);
+    if(!file.open(QIODevice::ReadOnly)){
+        fprintf(stderr,"Failed to open mapAccessToken file \"%s\": %m", qPrintable(NAVI_CONFIG_FILEPATH));
+        return;
+    }
+
+    QByteArray data = file.readAll();
+    QJsonDocument jsonDoc(QJsonDocument::fromJson(data));
+    QJsonObject jsonObj(jsonDoc.object());
+
+    if(jsonObj.contains("mapAccessToken")){
+        m_mapAccessToken = jsonObj["mapAccessToken"].toString();
+    }else{
+        fprintf(stderr,"Failed to find mapAccessToken data \"%s\": %m", qPrintable(NAVI_CONFIG_FILEPATH));
+        return;
+    }
+
+    if(jsonObj.contains("speed")){
+        m_car_speed = jsonObj["speed"].toDouble();
+    }else{
+        fprintf(stderr,"Failed to find speed data \"%s\": %m", qPrintable(NAVI_CONFIG_FILEPATH));
+        return;
+    }
+
+    if(jsonObj.contains("interval")){
+        m_update_interval = jsonObj["interval"].toInt();
+    }else{
+        fprintf(stderr,"Failed to find interval data \"%s\": %m", qPrintable(NAVI_CONFIG_FILEPATH));
+        return;
+    }
+
+    if(jsonObj.contains("latitude")){
+        m_start_latitude = jsonObj["latitude"].toDouble();
+    }else{
+        fprintf(stderr,"Failed to find latitude data \"%s\": %m", qPrintable(NAVI_CONFIG_FILEPATH));
+        return;
+    }
+
+    if(jsonObj.contains("longitute")){
+        m_start_longitute = jsonObj["longitute"].toDouble();
+    }else{
+        fprintf(stderr,"Failed to find longitute data \"%s\": %m", qPrintable(NAVI_CONFIG_FILEPATH));
+        return;
+    }
+
+    if(jsonObj.contains("mapStyleUrls")){
+        m_mapStyleUrls = jsonObj["mapStyleUrls"].toString();
+    }else{
+        fprintf(stderr,"Failed to find mapStyleUrls data \"%s\": %m", qPrintable(NAVI_CONFIG_FILEPATH));
+        return;
+    }
+
+    file.close();
+
+    return;
+}
+
+QString File_Operation::getMapAccessToken() {
+    return m_mapAccessToken;
+}
+double File_Operation::getCarSpeed(){
+    return m_car_speed;
+}
+int File_Operation::getUpdateInterval(){
+    return m_update_interval;
+}
+double File_Operation::getStartLatitude(){
+    return m_start_latitude;
+}
+double File_Operation::getStartLongitute(){
+    return m_start_longitute;
+}
+QString File_Operation::getMapStyleUrls() {
+    return m_mapStyleUrls;
+}