3 Commits

12 changed files with 340 additions and 233 deletions

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@@ -18,6 +18,9 @@ PSLibrary {
Depends { name: "odb.gen" }
Depends { name: "rdbase" }
Depends { name: "model" }
Depends { name: "redkit_gen" }
odb.gen.databases: "sqlite"
cpp.cxxLanguageVersion: "c++17"

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@@ -1,57 +1,55 @@
#include "database_utils.h"
#include <random>
namespace
void addBook(oDBase& db, const QString title, const QVector<QString>& authors)
{
// Функция для генерации случайной строки (имени или фамилии)
QString generate_random_string(const QVector<QString>& pool)
{
static std::random_device rd;
static std::mt19937 gen(rd());
std::uniform_int_distribution<> dis(0, pool.size() - 1);
return pool[dis(gen)];
}
// Функция для генерации случайного года
int generate_random_year(int min_year = 1900, int max_year = 2020)
{
static std::random_device rd;
static std::mt19937 gen(rd());
std::uniform_int_distribution<> dis(min_year, max_year);
return dis(gen);
}
} // namespace
QVector<testData> fillAuthorDB()
{
QVector<QString> first_names = {
"John", "Jane", "Alex", "Chris", "Robert", "Emily", "James", "Linda", "David", "Sarah",
"Michael", "Elizabeth", "Daniel", "Samantha", "William", "Olivia", "Ethan", "Sophia", "Joshua", "Charlotte",
"Daniel", "Grace", "Benjamin", "Isabella", "Matthew", "Victoria", "Henry", "Abigail", "Samuel", "Megan",
"Lucas", "Lily", "Andrew", "Madison", "Jackson", "Chloe", "Aiden", "Amelia", "Thomas", "Natalie",
"Ryan", "Zoe", "Jack", "Harper", "Elijah", "Ava", "Isaac", "Mia", "Caleb", "Ella"
};
QVector<QString> last_names = {
"Doe", "Smith", "Johnson", "Williams", "Jones", "Brown", "Davis", "Miller", "Wilson", "Moore",
"Taylor", "Anderson", "Thomas", "Jackson", "White", "Harris", "Martin", "Thompson", "Garcia", "Martinez",
"Roberts", "Clark", "Lewis", "Walker", "Young", "Allen", "King", "Wright", "Scott", "Adams",
"Baker", "Gonzalez", "Nelson", "Carter", "Mitchell", "Perez", "Robinson", "Hughes", "Flores", "Cook",
"Rogers", "Gutierrez", "Ramirez", "Diaz", "Perez", "Ross", "Sanders", "Price", "Howard", "Cooper"
};
QVector<testData> vecTest;
for (int i = 0; i < 50; ++i)
odb::transaction t(db.begin());
try
{
QString first_name = generate_random_string(first_names);
QString last_name = generate_random_string(last_names);
int birth_year = generate_random_year(1900, 2000);
// 1. Создаем/получаем книгу
auto books = db.query<Book_S>(odb::query<Book_S>::title == title);
SH<Book_S> book;
vecTest.push_back({ first_name, last_name, birth_year });
if (books.empty())
{
book = SH<Book_S>::create();
book->setTitle(title);
db.persist(book);
}
else
{
book = books.begin().load(); // Берем первую найденную книгу
}
return vecTest;
// 2. Обрабатываем авторов
for (const auto& name : authors)
{
auto authors = db.query<Author_S>(odb::query<Author_S>::fullName == name);
SH<Author_S> author = authors.empty() ? SH<Author_S>::create() : authors.begin().load();
if (authors.empty())
{
author->setFullName(name);
db.persist(author);
}
// Проверяем и создаем связь
auto links = db.query<AuthorBook_S>(
odb::query<AuthorBook_S>::author->id == author->id()
&& odb::query<AuthorBook_S>::book->id == book->id());
if (links.empty())
{
db.persist(SH<AuthorBook_S>::create(author, book));
}
}
t.commit();
}
catch (...)
{
t.rollback();
throw;
}
}

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@@ -1,3 +1,4 @@
#include <QDebug>
#include <QString>
#include <QVector>
@@ -27,11 +28,11 @@
using oDBase = odb::sqlite::database;
using uDBase = U<oDBase>;
struct testData
{
QString first;
QString last;
int age;
};
#include <model/author_book_s-odb.hxx>
#include <model/author_book_s.h>
#include <model/author_s-odb.hxx>
#include <model/author_s.h>
#include <model/book_s-odb.hxx>
#include <model/book_s.h>
QVector<testData> DATABASE_EXPORT fillAuthorDB();
void DATABASE_EXPORT addBook(oDBase& db, const QString title, const QVector<QString>& authors);

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@@ -8,11 +8,8 @@
#include <restapi/restapiserver.h>
/* Опыты с odb */
#include <model/author_s-odb.hxx> // Должен быть здесь
#include <model/author_s.h>
#include <model/book_s-odb.hxx> // Должен быть здесь
#include <model/book_s.h>
#include <database/database.hxx> // create_database
#include <database/database_utils.h>
#include <odb/database.hxx>
#include <iostream>
@@ -21,97 +18,85 @@ void fillBooksBD(uDBase& db)
{
try
{
QVector<SH<Author_S>> authors = {
SH<Author_S>::create("George", "Orwell", 142),
SH<Author_S>::create("J.K.", "Rowling", 56),
SH<Author_S>::create("J.R.R.", "Tolkien", 81),
SH<Author_S>::create("Leo", "Tolstoy", 189),
SH<Author_S>::create("Fyodor", "Dostoevsky", 174),
SH<Author_S>::create("Mark", "Twain", 183),
SH<Author_S>::create("Charles", "Dickens", 208),
SH<Author_S>::create("Virginia", "Woolf", 134),
SH<Author_S>::create("Ernest", "Hemingway", 122),
SH<Author_S>::create("Gabriel", "García Márquez", 98),
SH<Author_S>::create("Franz", "Kafka", 100),
SH<Author_S>::create("Harper", "Lee", 64),
SH<Author_S>::create("William", "Shakespeare", 459),
SH<Author_S>::create("Oscar", "Wilde", 155),
SH<Author_S>::create("Aldous", "Huxley", 123),
SH<Author_S>::create("Jane", "Austen", 210),
SH<Author_S>::create("John", "Steinbeck", 116),
SH<Author_S>::create("Agatha", "Christie", 124),
SH<Author_S>::create("Isaac", "Asimov", 105)
QVector<Author_S> authors = {
Author_S("George Orwell", "en"),
Author_S("J.K. Rowling", "en"),
Author_S("J.R.R. Tolkien", "en"),
Author_S("Leo Tolstoy", "ru"),
Author_S("Fyodor Dostoevsky", "ru"),
Author_S("Mark Twain", "en"),
Author_S("Charles Dickens", "en"),
Author_S("Virginia Woolf", "en"),
Author_S("Ernest Hemingway", "en"),
Author_S("Gabriel García Márquez", "en"),
Author_S("Franz Kafka", "de"),
Author_S("Harper Lee", "en"),
Author_S("William Shakespeare", "en"),
Author_S("Oscar Wilde", "en"),
Author_S("Aldous Huxley", "en"),
Author_S("Jane Austen", "en"),
Author_S("John Steinbeck", "en"),
Author_S("Agatha Christie", "en"),
Author_S("Isaac Asimov", "ru"),
};
// Список книг
QVector<Book_S> books = {
Book_S("1984", authors[0], 1949),
Book_S("Harry Potter and the Philosopher's Stone", authors[1], 1997),
Book_S("The Hobbit", authors[2], 1937),
Book_S("War and Peace", authors[3], 1869),
Book_S("Crime and Punishment", authors[4], 1866),
Book_S("Adventures of Huckleberry Finn", authors[5], 1884),
Book_S("A Tale of Two Cities", authors[6], 1859),
Book_S("Mrs. Dalloway", authors[7], 1925),
Book_S("The Old Man and the Sea", authors[8], 1952),
Book_S("One Hundred Years of Solitude", authors[9], 1967),
Book_S("The Trial", authors[10], 1925),
Book_S("To Kill a Mockingbird", authors[11], 1960),
Book_S("Macbeth", authors[12], 1606),
Book_S("The Picture of Dorian Gray", authors[13], 1890),
Book_S("Brave New World", authors[14], 1932),
Book_S("Pride and Prejudice", authors[15], 1813),
Book_S("The Brothers Karamazov", authors[4], 1880),
Book_S("The Grapes of Wrath", authors[16], 1939),
Book_S("Murder on the Orient Express", authors[17], 1934),
Book_S("I, Robot", authors[18], 1950),
Book_S("Animal Farm", authors[0], 1945),
Book_S("Harry Potter and the Chamber of Secrets", authors[1], 1998),
Book_S("The Lord of the Rings: The Fellowship of the Ring", authors[2], 1954),
Book_S("Anna Karenina", authors[3], 1878),
Book_S("The Idiot", authors[4], 1869),
Book_S("The Adventures of Tom Sawyer", authors[5], 1876),
Book_S("Oliver Twist", authors[6], 1837),
Book_S("To the Lighthouse", authors[7], 1927),
Book_S("For Whom the Bell Tolls", authors[8], 1940),
Book_S("Love in the Time of Cholera", authors[9], 1985),
Book_S("The Metamorphosis", authors[10], 1915),
Book_S("Go Set a Watchman", authors[11], 2015),
Book_S("King Lear", authors[12], 1605),
Book_S("The Importance of Being Earnest", authors[13], 1895),
Book_S("Brave New World Revisited", authors[14], 1958),
Book_S("Emma", authors[15], 1815),
Book_S("The Double", authors[4], 1846),
Book_S("Of Mice and Men", authors[16], 1937),
Book_S("And Then There Were None", authors[17], 1939),
Book_S("The Foundation Trilogy", authors[18], 1951),
Book_S("Down and Out in Paris and London", authors[0], 1933),
Book_S("Harry Potter and the Prisoner of Azkaban", authors[1], 1999),
Book_S("The Lord of the Rings: The Two Towers", authors[2], 1954),
Book_S("War and Peace", authors[3], 1869),
Book_S("The Brothers Karamazov", authors[4], 1880),
Book_S("The Prince and the Pauper", authors[5], 1881),
Book_S("David Copperfield", authors[6], 1850),
Book_S("The Waves", authors[7], 1931),
Book_S("A Farewell to Arms", authors[8], 1929),
Book_S("Chronicle of a Death Foretold", authors[9], 1981)
};
addBook(*db, "Очень странная книжка", { "Автор 1", "Автор 2", "Авторк 3" });
// Сохранение авторов в базу данных
{
odb::core::transaction t(db->begin());
for (auto& author : authors)
db->persist(author);
t.commit();
}
addBook(*db, "1984", { authors[0].fullName() });
addBook(*db, "Harry Potter and the Philosopher's Stone", { authors[1].fullName() });
addBook(*db, "The Hobbit", { authors[2].fullName() });
addBook(*db, "War and Peace", { authors[3].fullName() });
addBook(*db, "Crime and Punishment", { authors[4].fullName() });
addBook(*db, "Adventures of Huckleberry Finn", { authors[5].fullName() });
addBook(*db, "A Tale of Two Cities", { authors[6].fullName() });
addBook(*db, "Mrs. Dalloway", { authors[7].fullName() });
addBook(*db, "The Old Man and the Sea", { authors[8].fullName() });
addBook(*db, "One Hundred Years of Solitude", { authors[9].fullName() });
addBook(*db, "The Trial", { authors[10].fullName() });
addBook(*db, "To Kill a Mockingbird", { authors[11].fullName() });
addBook(*db, "Macbeth", { authors[12].fullName() });
addBook(*db, "The Picture of Dorian Gray", { authors[13].fullName() });
addBook(*db, "Brave New World", { authors[14].fullName() });
addBook(*db, "Pride and Prejudice", { authors[15].fullName() });
addBook(*db, "The Brothers Karamazov", { authors[4].fullName() });
addBook(*db, "The Grapes of Wrath", { authors[16].fullName() });
addBook(*db, "Murder on the Orient Express", { authors[17].fullName() });
addBook(*db, "I, Robot", { authors[18].fullName() });
addBook(*db, "Animal Farm", { authors[0].fullName() });
addBook(*db, "Harry Potter and the Chamber of Secrets", { authors[1].fullName() });
addBook(*db, "The Lord of the Rings: The Fellowship of the Ring", { authors[2].fullName() });
addBook(*db, "Anna Karenina", { authors[3].fullName() });
addBook(*db, "The Idiot", { authors[4].fullName() });
addBook(*db, "The Adventures of Tom Sawyer", { authors[5].fullName() });
addBook(*db, "Oliver Twist", { authors[6].fullName() });
addBook(*db, "To the Lighthouse", { authors[7].fullName() });
addBook(*db, "For Whom the Bell Tolls", { authors[8].fullName() });
addBook(*db, "Love in the Time of Cholera", { authors[9].fullName() });
addBook(*db, "The Metamorphosis", { authors[10].fullName() });
addBook(*db, "Go Set a Watchman", { authors[11].fullName() });
addBook(*db, "King Lear", { authors[12].fullName() });
addBook(*db, "The Importance of Being Earnest", { authors[13].fullName() });
addBook(*db, "Brave New World Revisited", { authors[14].fullName() });
addBook(*db, "Emma", { authors[15].fullName() });
addBook(*db, "The Double", { authors[4].fullName() });
addBook(*db, "Of Mice and Men", { authors[16].fullName() });
addBook(*db, "And Then There Were None", { authors[17].fullName() });
addBook(*db, "The Foundation Trilogy", { authors[18].fullName() });
addBook(*db, "Down and Out in Paris and London", { authors[0].fullName() });
addBook(*db, "Harry Potter and the Prisoner of Azkaban", { authors[1].fullName() });
addBook(*db, "The Lord of the Rings: The Two Towers", { authors[2].fullName() });
addBook(*db, "War and Peace", { authors[3].fullName() });
addBook(*db, "The Brothers Karamazov", { authors[4].fullName() });
addBook(*db, "The Prince and the Pauper", { authors[5].fullName() });
addBook(*db, "David Copperfield", { authors[6].fullName() });
addBook(*db, "The Waves", { authors[7].fullName() });
addBook(*db, "A Farewell to Arms", { authors[8].fullName() });
addBook(*db, "Chronicle of a Death Foretold", { authors[9].fullName() });
// Сохранение книг в базу данных
{
odb::core::transaction t(db->begin());
for (auto& book : books)
db->persist(book);
t.commit();
}
addBook(*db, "1984", { "George Orwell" });
addBook(*db, "Harry Potter and the Philosopher's Stone", { "J.K. Rowling" });
addBook(*db, "Очень странная книжка 2", { "Автор 4", "Авторк 3" });
std::cout << "Test data added successfully." << std::endl;
}
@@ -131,18 +116,6 @@ int main(int argc, char* argv[])
// TODO Как-то нужно выполнять лишь раз
fillBooksBD(db);
// Сохранение дополнителньых авторов в базу данных
{
auto authors = fillAuthorDB();
odb::core::transaction t(db->begin());
for (auto& author : authors)
{
SH<Author_S> tempAuthor = SH<Author_S>::create(author.first, author.last, author.age);
db->persist(tempAuthor);
}
t.commit();
}
RestApiServer server(*db);
server.start(8080);

46
src/model/author_book_s.h Normal file
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@@ -0,0 +1,46 @@
#ifndef AUTHOR_BOOK_H
#define AUTHOR_BOOK_H
#include "model_global.h"
#include "author_s.h"
#include "book_s.h"
#pragma db object
class MODEL_EXPORT AuthorBook_S
{
private:
AuthorBook_S() = default;
public:
AuthorBook_S(SH<Author_S> author,
SH<Book_S> book) :
m_author(author),
m_book(book) {}
quint64 id() const { return m_id; }
void setId(quint64 newId) { m_id = newId; }
SH<Author_S> author() const { return m_author; }
void setAuthor(const SH<Author_S>& newAuthor) { m_author = newAuthor; }
SH<Book_S> book() const { return m_book; }
void setBook(const SH<Book_S>& newBook) { m_book = newBook; }
private:
friend class odb::access;
private:
#pragma db id auto
quint64 m_id;
#pragma db not_null
SH<Author_S> m_author;
#pragma db not_null
SH<Book_S> m_book;
#pragma db index("author_book_unique") member(m_author) member(m_book) unique
};
#endif // AUTHOR_BOOK_H

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@@ -1,51 +1,40 @@
// file : hello/person.hxx
// copyright : not copyrighted - public domain
#ifndef AUTHOR_S_H
#define AUTHOR_S_H
#include "model_global.h"
#include <QString>
#include <odb/core.hxx>
#include <odb/database.hxx>
#include <odb/query.hxx>
// @JsonSerializer
class Author_S;
#pragma db object
class MODEL_EXPORT Author_S
{
public:
Author_S() = default;
Author_S(const QString& fullName,
const QString& langCode) :
m_fullName(fullName),
m_langCode(langCode)
{}
Author_S(const QString& firstN,
const QString& lastN,
const unsigned short age) :
m_firstName(firstN),
m_lastName(lastN),
m_age(age)
{
}
quint64 id() const { return m_id; }
void setId(quint64 newId) { m_id = newId; }
unsigned long long id() const { return m_id; }
QString firstName() const { return m_firstName; }
QString lastName() const { return m_lastName; }
unsigned short age() const { return m_age; }
QString fullName() const { return m_fullName; }
void setFullName(const QString& newFullName) { m_fullName = newFullName; }
QString full_name() const { return m_firstName + " " + m_lastName; }
void age(unsigned short age) { m_age = age; }
QString langCode() const { return m_langCode; }
void setLangCode(const QString& newLangCode) { m_langCode = newLangCode; }
private:
friend class odb::access;
private:
public: // for Redkit-gen
#pragma db id auto
quint64 m_id;
QString m_firstName;
QString m_lastName;
quint64 m_age;
QString m_fullName;
QString m_langCode;
};
#pragma db view object(Author_S)
@@ -53,12 +42,6 @@ struct person_stat
{
#pragma db column("count(" + Author_S::m_id + ")")
std::size_t count;
#pragma db column("min(" + Author_S::m_age + ")")
unsigned short min_age;
#pragma db column("max(" + Author_S::m_age + ")")
unsigned short max_age;
};
#endif // AUTHOR_S_H

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@@ -1,48 +1,74 @@
// file : hello/person.hxx
// copyright : not copyrighted - public domain
#ifndef BOOK_S_H
#define BOOK_S_H
#include "model_global.h"
#include <QSharedPointer>
#include <QString>
#include <odb/core.hxx>
#include <rcore/smarttypes.h>
#include <QDateTime>
#include "author_s.h"
#include "genre_s.h"
#include "series_s.h"
struct Book_SZ
{
QString title;
SH<Series_S> series;
quint8 year;
SH<Genre_S> genre;
QDateTime lastModified = QDateTime::currentDateTime();
QString lang;
};
#pragma db object
class MODEL_EXPORT Book_S
{
public:
Book_S() = default;
Book_S(const QString& name,
const SH<Author_S>& author,
const int year)
Book_S(const Book_SZ& book)
{
m_author = author;
m_name = name;
m_year = year;
};
m_title = book.title;
m_series = book.series;
m_year = book.year;
m_genre = book.genre;
m_lastModified = book.lastModified;
m_lang = book.lang;
}
unsigned long long id() const { return m_id; }
SH<Author_S> author() const { return m_author; }
QString name() const { return m_name; }
int year() const { return m_year; }
quint64 id() const { return m_id; }
void setId(const quint64& newId) { m_id = newId; }
QString title() const { return m_title; }
void setTitle(const QString& newTitle) { m_title = newTitle; }
SH<Series_S> series() const { return m_series; }
void setSeries(const SH<Series_S>& newSeries) { m_series = newSeries; }
quint8 year() const { return m_year; }
void setYear(const quint8& newYear) { m_year = newYear; }
SH<Genre_S> genre() const { return m_genre; }
void setGenre(const SH<Genre_S>& newGenre) { m_genre = newGenre; }
QDateTime lastModified() const { return m_lastModified; }
void setLastModified(const QDateTime& newLastModified) { m_lastModified = newLastModified; }
QString lang() const { return m_lang; }
void setLang(const QString& newLang) { m_lang = newLang; }
private:
friend class odb::access;
// public: // for Redkit-gen
private:
#pragma db id auto
quint64 m_id;
SH<Author_S> m_author;
QString m_name;
QString m_title;
SH<Series_S> m_series;
quint8 m_year;
SH<Genre_S> m_genre;
QDateTime m_lastModified;
QString m_lang;
};
// #pragma db view object(Book_S) object(Author_S = author:Book_S::m_author)

28
src/model/genre_s.h Normal file
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@@ -0,0 +1,28 @@
#ifndef GENRE_H
#define GENRE_H
#include "model_global.h"
#pragma db object
class MODEL_EXPORT Genre_S
{
public:
Genre_S() = default;
quint64 id() const { return m_id; }
void setId(const quint64& newId) { m_id = newId; }
QString name() const { return m_name; }
void setName(const QString& newName) { m_name = newName; }
private:
friend class odb::access;
private:
#pragma db id auto
quint64 m_id;
QString m_name;
};
#endif // GENRE_H

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@@ -20,7 +20,8 @@ PSLibrary {
Depends { name: "rdbase" }
Depends { name: "redkit_gen" }
redkit_gen.includeModules: ["JsonSerializer"]
redkit_gen.includeModules: [redkit_gen.module.JsonSerializer,
redkit_gen.module.SettingsSerializer,]
odb.gen.databases: "sqlite"
cpp.cxxLanguageVersion: "c++17"

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@@ -9,4 +9,7 @@
#define MODEL_EXPORT Q_DECL_IMPORT
#endif
#include <odb/core.hxx>
#include <rcore/smarttypes.h>
#endif // MODEL_GLOBAL_H

28
src/model/series_s.h Normal file
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@@ -0,0 +1,28 @@
#ifndef SERIES_H
#define SERIES_H
#include "model_global.h"
#pragma db object
class MODEL_EXPORT Series_S
{
public:
Series_S() = default;
quint64 id() const { return m_id; }
void setId(const quint64& newId) { m_id = newId; }
QString serName() const { return m_serName; }
void setSerName(const QString& newSerName) { m_serName = newSerName; }
private:
friend class odb::access;
private:
#pragma db id auto
quint64 m_id;
QString m_serName;
};
#endif // SERIES_H

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@@ -64,7 +64,7 @@ QByteArray RestApiServer::processRequest(const QString& request)
if (request.startsWith("GET /books/author/"))
{
QString author = request.section(' ', 1, 1).section('/', 3, 3).replace("%20", " ");
quint64 ageReq = author.toInt();
// quint64 ageReq = author.toInt();
QStringList nameParts = author.split(' ');
QString firstName = nameParts.size() > 0 ? nameParts[0] : "";
@@ -72,18 +72,27 @@ QByteArray RestApiServer::processRequest(const QString& request)
odb::transaction t(m_db.begin());
auto books = m_db.query<Book_S>(odb::query<Book_S>::author->id == ageReq);
// auto books = m_db.query<Book_S>(odb::query<Book_S>::author->id == ageReq);
QJsonArray jArray;
for (const auto& book : books)
{
QJsonObject j;
j["id"] = QString::number(book.id());
j["name"] = book.name();
j["author"] = book.author()->full_name();
j["year"] = book.year();
jArray.push_back(j);
}
// for (const auto& book : books)
// {
// QJsonObject j;
// j["id"] = QString::number(book.id());
// QJsonObject author;
// author["id"] = QString::number(book.author()->id());
// author["fullName"] = book.author()->fullName();
// author["langCode"] = book.author()->langCode();
// j["author"] = author;
// // j["series"] = book.series()->serName();
// // j["genre"] = book.genre()->name();
// j["title"] = book.title();
// j["year"] = book.year();
// j["lastModified"] = book.lastModified().toString();
// j["lang"] = book.lang();
// jArray.push_back(j);
// }
auto jDoc = QJsonDocument(jArray);
t.commit();
@@ -103,10 +112,19 @@ QByteArray RestApiServer::processRequest(const QString& request)
QJsonObject j;
j["id"] = QString::number(book.id());
j["title"] = book.name();
j["author"] = book.author()->full_name();
j["year"] = book.year();
jArray.push_back(j);
// QJsonObject author;
// author["id"] = QString::number(book.author()->id());
// author["fullName"] = book.author()->fullName();
// author["langCode"] = book.author()->langCode();
// j["author"] = author;
// // j["series"] = book.series()->serName();
// // j["genre"] = book.genre()->name();
// j["title"] = book.title();
// j["year"] = book.year();
// j["lastModified"] = book.lastModified().toString();
// j["lang"] = book.lang();
// jArray.push_back(j);
}
auto jDoc = QJsonDocument(jArray);
t.commit();
@@ -126,9 +144,8 @@ QByteArray RestApiServer::processRequest(const QString& request)
QJsonObject j;
j["id"] = QString::number(author.id());
j["first"] = author.firstName();
j["last"] = author.lastName();
j["age"] = author.age();
j["fullName"] = author.fullName();
j["langCode"] = author.langCode();
jArray.push_back(j);
}
auto jDoc = QJsonDocument(jArray);