Implement saving to file

src/models/board.cpp

@@ -1,10 +1,25 @@
 #include "board.h"
 
+#define NAME_KEY "name"
+#define TASKS_KEY "tasks"
+
+#include <QJsonArray>
+#include <QJsonValue>
+
 Board::Board(QString name)
 {
     this->name = name;
 }
 
+Board::Board(QJsonObject obj)
+{
+    this->name = obj[NAME_KEY].toString();
+    foreach (QJsonValue value, obj[TASKS_KEY].toArray()) {
+        Task *t = new Task(value.toObject());
+        this->tasks.append(t);
+    }
+}
+
 Board::~Board()
 {
     for (uint16_t i = 0; i < tasks.count(); i++)
@@ -38,3 +53,15 @@ const QVector<Task *> Board::getTasks()
     return tasks;
 }
 
+const QJsonObject Board::toJson()
+{
+    QJsonArray array;
+    foreach (Task *t, this->tasks) {
+        array.append(t->toJson());
+    }
+    QJsonObject obj;
+    obj[NAME_KEY] = this->name;
+    obj[TASKS_KEY] = array;
+    return obj;
+}
+