Добавляем так же в вывод связанную информацию

src/main.cpp

@@ -118,7 +118,7 @@ int main(int argc, char* argv[])
     uDBase db(openDB(dbPath));
 
     // TODO Как-то нужно выполнять лишь раз
-    fillBooksBD(db);
+    // fillBooksBD(db);
 
     RestApiServer server(*db);
     server.start(8080);

src/repository/authorrepository.cpp

@@ -0,0 +1,81 @@
+#include "authorrepository.h"
+
+#include <model/books/author_book_s-odb.hxx>
+#include <model/books/author_book_s.h>
+#include <model/books/author_s-odb.hxx>
+#include <model/books/author_s.h>
+#include <model/books/book_s-odb.hxx>
+#include <model/books/book_s.h>
+
+#include <odb/core.hxx>
+#include <odb/database.hxx>
+#include <odb/query.hxx>
+
+namespace repository
+{
+
+AuthorRepository::AuthorRepository(odb::core::database& db) :
+    m_db(db)
+{}
+
+QVector<Author_S> AuthorRepository::findAll()
+{
+    odb::transaction t(m_db.begin());
+    odb::result<Author_S> res(m_db.query<Author_S>());
+
+    QVector<Author_S> authors;
+
+    for (auto it = res.begin(); it != res.end(); ++it)
+    {
+        const auto& author = *it;
+        authors.push_back(author);
+    }
+
+    t.commit();
+
+    return authors;
+}
+
+Author_S AuthorRepository::findById(int id)
+{
+    odb::transaction t(m_db.begin());
+    odb::result<Author_S> res(m_db.query<Author_S>(odb::query<Author_S>::id == id));
+
+    Author_S author;
+    res.value(author);
+
+    t.commit();
+
+    return author;
+}
+
+QVector<Author_S> AuthorRepository::findByBook(const int& bookId)
+{
+    odb::transaction t(m_db.begin());
+
+    QVector<Author_S> authors;
+
+    using ABQuery = odb::query<AuthorBook_S>;
+    using ABResult = odb::result<AuthorBook_S>;
+    ABResult abResult(m_db.query<AuthorBook_S>(ABQuery::book == bookId));
+
+    for (const AuthorBook_S& ab : abResult)
+    {
+        // Загружаем каждую книгу по ID
+        SH<Author_S> author(m_db.load<Author_S>(ab.author()->id()));
+        authors.push_back(*author.data());
+    }
+    t.commit();
+
+    return authors;
+}
+
+QVector<Author_S> AuthorRepository::findByBook(const QString& book_name)
+{
+    odb::transaction t(m_db.begin());
+    auto book_s = m_db.query<Book_S>(odb::query<Book_S>::title == book_name).one();
+
+    return findByBook(book_s->id());
+}
+
+} // namespace repository

src/repository/authorrepository.h

@@ -0,0 +1,41 @@
+#ifndef AUTHORREPOSITORY_H
+#define AUTHORREPOSITORY_H
+
+#include "repository_global.h"
+
+#include <model/books/author_s.h>
+
+#include <QString>
+#include <QVector>
+
+namespace repository
+{
+
+class REPOSITORY_EXPORT AuthorRepository
+{
+public:
+    AuthorRepository(odb::core::database& db);
+
+    // Получить всех авторов
+    QVector<Author_S> findAll();
+
+    // Найти автора по id
+    Author_S findById(int id);
+
+    // Сохранить книгу (создать или обновить)
+    // void save(const Book_S& book);
+
+    // Удалить автора
+    // void remove(int id);
+
+    // Найти авторов по книге
+    QVector<Author_S> findByBook(const int& book_id);
+    QVector<Author_S> findByBook(const QString& bookName);
+
+private:
+    odb::core::database& m_db;
+};
+
+} // namespace repository
+
+#endif // AUTHORREPOSITORY_H

src/repository/bookrepository.cpp

@@ -63,16 +63,15 @@ void BookRepository::remove(int id)
     t.commit();
 }
 
-QVector<Book_S> BookRepository::findByAuthor(const QString& author)
+QVector<Book_S> BookRepository::findByAuthor(const int& authorId)
 {
     odb::transaction t(m_db.begin());
-    auto author_s = m_db.query<Author_S>(odb::query<Author_S>::fullName == author).one();
 
     QVector<Book_S> books;
 
     using ABQuery = odb::query<AuthorBook_S>;
     using ABResult = odb::result<AuthorBook_S>;
-    ABResult abResult(m_db.query<AuthorBook_S>(ABQuery::author == author_s->id()));
+    ABResult abResult(m_db.query<AuthorBook_S>(ABQuery::author == authorId));
 
     for (const AuthorBook_S& ab : abResult)
     {
@@ -86,4 +85,12 @@ QVector<Book_S> BookRepository::findByAuthor(const QString& author)
     return books;
 }
 
+QVector<Book_S> BookRepository::findByAuthor(const QString& author)
+{
+    odb::transaction t(m_db.begin());
+    auto author_s = m_db.query<Author_S>(odb::query<Author_S>::fullName == author).one();
+
+    return findByAuthor(author_s->id());
+}
+
 } // namespace repository

src/repository/bookrepository.h

@@ -29,7 +29,8 @@ public:
     void remove(int id);
 
     // Найти книги по автору
-    QVector<Book_S> findByAuthor(const QString& author);
+    QVector<Book_S> findByAuthor(const QString& authorName);
+    QVector<Book_S> findByAuthor(const int& authorId);
 
 private:
     odb::core::database& m_db;

src/restapi/restapiserver.cpp

@@ -10,6 +10,7 @@
 #include <model/books/book_s-odb.hxx> // Должен быть здесь
 #include <model/books/book_s.h>
 
+#include <repository/authorrepository.h>
 #include <repository/bookrepository.h>
 
 #include <odb/core.hxx>
@@ -76,7 +77,6 @@ QByteArray RestApiServer::processRequest(const QString& request)
         {
             QJsonObject j;
             j["id"] = QString::number(book.id());
-
             j["title"] = book.title();
 
             jArray.push_back(j);
@@ -97,11 +97,19 @@ QByteArray RestApiServer::processRequest(const QString& request)
 
         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;
+        QJsonArray authors;
+
+        repository::AuthorRepository a(m_db);
+
+        for (const auto& author : a.findByBook(book.id()))
+        {
+            QJsonObject jj;
+            jj["id"] = QString::number(author.id());
+            jj["fullName"] = author.fullName();
+            authors.push_back(jj);
+        }
+
+        j["authors"] = authors;
         j["title"] = book.title();
 
         auto jDoc = QJsonDocument(j);
@@ -120,6 +128,17 @@ QByteArray RestApiServer::processRequest(const QString& request)
             j["id"] = QString::number(book.id());
             j["title"] = book.title();
 
+            QJsonArray authors;
+            repository::AuthorRepository a(m_db);
+            for (const auto& author : a.findByBook(book.id()))
+            {
+                QJsonObject jj;
+                jj["id"] = QString::number(author.id());
+                jj["fullName"] = author.fullName();
+                authors.push_back(jj);
+            }
+            j["authors"] = authors;
+
             jArray.push_back(j);
         }
         auto jDoc = QJsonDocument(jArray);
@@ -127,10 +146,10 @@ QByteArray RestApiServer::processRequest(const QString& request)
         return "HTTP/1.1 200 OK\r\nContent-Type: application/json\r\n\r\n" + jDoc.toJson(QJsonDocument::Indented);
     }
 
-    if (request.startsWith("GET /author"))
+    if (request.startsWith("GET /authors"))
     {
-        odb::transaction t(m_db.begin());
-        odb::result<Author_S> res(m_db.query<Author_S>());
+        repository::AuthorRepository a(m_db);
+        auto res = a.findAll();
 
         QJsonArray jArray;
         for (auto it = res.begin(); it != res.end(); ++it)
@@ -140,11 +159,21 @@ QByteArray RestApiServer::processRequest(const QString& request)
             QJsonObject j;
             j["id"] = QString::number(author.id());
             j["fullName"] = author.fullName();
-            j["langCode"] = author.langCode();
+
+            QJsonArray books;
+            repository::BookRepository b(m_db);
+            for (const auto& book : b.findByAuthor(author.id()))
+            {
+                QJsonObject jj;
+                jj["id"] = QString::number(book.id());
+                jj["title"] = book.title();
+                books.push_back(jj);
+            }
+            j["books"] = books;
+
             jArray.push_back(j);
         }
         auto jDoc = QJsonDocument(jArray);
-        t.commit();
 
         return "HTTP/1.1 200 OK\r\nContent-Type: application/json\r\n\r\n" + jDoc.toJson(QJsonDocument::Indented);
     }