LibraryManagementSystem/window_addbook.cpp at master · Nilsae/LibraryManagementSystem · GitHub

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#include "window_addbook.h"
#include "ui_window_addbook.h"
#include <QFile>
#include <QTextStream>
#include <QDebug>
#include <QJsonDocument>
#include <QJsonObject>
#include <QJsonArray>
#include <bits/stdc++.h>
#include <QDate>
#include <QString>
#include <QMessageBox>
#include <QDir>
//==============================================================================================
Window_AddBook::Window_AddBook(QWidget *parent) :
    QDialog(parent),
    ui(new Ui::Window_AddBook)
{
    ui->setupUi(this);
    ui->lineEdit_BookId->setFocus();
}

Window_AddBook::~Window_AddBook()
{
    delete ui;
}

void Window_AddBook::on_pushButton_AddBook_clicked()
{
     QString BookId = ui->lineEdit_BookId->text();
     QString BookName = ui->lineEdit_BookName->text();
     QString Author = ui->lineEdit_AuthorName->text();
     QString Subject = ui->lineEdit_Subject->text();
     QDir AddedBook;
     AddedBook.cd("..");
     AddedBook.cd("Login_MY_FINAL");
     AddedBook.cd("RowData");
     QFile  AddedBooksFile(AddedBook.path()+"/AddedBooks.json");
    AddedBooksFile.open(QIODevice::ReadWrite);
    QJsonDocument jsonDoc = QJsonDocument::fromJson( AddedBooksFile.readAll() );
//    QJsonArray jArr = jsonDoc.array();
    QJsonObject main=jsonDoc.object();
    AddedBooksFile.close();


    QJsonObject Books = { {"id", BookId},
                                   {"status", "available"},
                                   {"date_added", QDate::currentDate().toString( "yyyy-MM-dd" )},
                                   {"name", BookName},
                                   {"author", Author},
                                   {"subject", Subject}
                                 };

    main[BookId]=Books;

    QJsonDocument doc( main );

    if( !AddedBooksFile.open( QIODevice::WriteOnly ) ) //write json content to file.
    {
        qDebug()<<"error opening file for write.\n";
    }

    AddedBooksFile.write(doc.toJson());
    AddedBooksFile.close();
    QMessageBox::information(this," ","Book is added Succesfuly!");

}