updated questions and added documentation about questions

README.md

@@ -38,7 +38,9 @@ Simple Qml notification service for qml applications.
  * Rebuild yuor project
 
 
-## Use
+## Using
+
+### Notification
 
 ### CPP
 ``` cpp
@@ -62,3 +64,52 @@ Simple Qml notification service for qml applications.
  }
 
 ```
+
+### Questions
+
+
+### CPP
+``` cpp
+ #include <qmlnotifyservice.h>
+
+ int main() {
+     QmlNotificationService::init();
+     auto service = QmlNotificationService::NotificationService::getService();
+     int questionCode = service->setQuestion("title", "some text");
+
+     QObject::connect(service, QmlNotificationService::NotificationService::questionCompleted,
+                     [questionCode](bool accepted, int questionCode) {
+                         if (accepted && code === questionCode) {
+                            // your action here. 
+                         }
+                     })
+
+     
+ }
+
+
+```
+
+### QML
+
+``` qml
+
+ NotificationServiceView {
+     anchors.fill: parent;
+ }
+ 
+readonly property int questionCode: 0;
+
+questionCode = notificationService.setQuestion(qsTr("Remove %0 user").arg(userModel.userId),
+                                qsTr("All saved data and records will be delete, Do you want continuee?"))
+Connections {
+    target: notificationService
+    function onQuestionCompleted(accepted, code) {
+        if (accepted && code === privateRoot.questionCode) {
+            if (userModel)
+                backEnd.removeUser(userModel.userId)
+        }
+    }
+}
+
+```

notificationdata.cpp

@@ -48,4 +48,8 @@ int NotificationData::type() const {
 bool NotificationData::isValid() const {
     return _text.size() || _title.size() || _img.size();
 }
+
+void NotificationData::setCode(int code) {
+    _type = code;
+}
 }

notificationdata.h

@@ -70,6 +70,12 @@ public:
      */
     Q_INVOKABLE bool isValid() const;
 
+    /**
+     * @brief setCode This method sets new code of the question.
+     * @param code are new value of the code.
+     */
+    void setCode(int code);
+
     bool operator ==(const NotificationData &righ);
     bool operator !=(const NotificationData &righ);
 

notificationservice.cpp

@@ -31,10 +31,13 @@ void NotificationService::setNotify(const NotificationData& notify) {
     emit notifyChanged();
 }
 
-void NotificationService::setQuestion(const NotificationData &question) {
+int NotificationService::setQuestion(const NotificationData &question) {
 
     _question = question;
+    _question.setCode(rand() % std::numeric_limits<int>().max());
     emit questionChanged();
+
+    return _question.type();
 }
 
 void NotificationService::questionComplete(bool accepted, int code) {

notificationservice.h

@@ -41,8 +41,9 @@ public:
     /**
      * @brief setQuestion This method sets information of the users question.
      * @param question are data of the question.
+     * @return return question code. You must be save this code for check ansver of your qestion.
      */
-    void setQuestion(const NotificationData& question);
+    int setQuestion(const NotificationData& question);
 
     /**
      * @brief questionComplete This method is main responce method of the users questions.