Упрощение доступа к данным таблиц

хоть и стрёмно

.gitmodules

@@ -4,3 +4,6 @@
 [submodule "redkitty"]
 	path = redkitty
 	url = git@gitea.redkit-lab.work:redkit-lab/redkitty.git
+[submodule "external_libs/quazip"]
+	path = external_libs/quazip
+	url = https://github.com/stachenov/quazip.git

external_libs/quazip.qbs

@@ -0,0 +1,34 @@
+import qbs 
+
+PSLibrary {
+    name: "quazip"
+
+    property string quazipPath: path + "/quazip"  // Путь к исходникам QuaZip
+    property string noname: {
+        console.error("noname" + exportedIncludePaths)
+        return "noname"
+    }
+
+    Depends { name: "zlib" }
+
+    Group {
+        name: "h"
+        id: qh
+        files: [
+             quazipPath + "/quazip/*.h",
+         ]
+    }
+
+    Group {
+        name: "cpp"
+        files: [
+             quazipPath + "/quazip/*.cpp",
+             quazipPath + "/quazip/*.c"
+         ]
+    }
+
+    // Export {
+    //     Depends { name:"cpp" }
+    //     cpp.includePaths: qh
+    // }
+}

project.qbs

@@ -17,5 +17,9 @@ Project {
         "src/database/database.qbs",
         "src/model/model.qbs",
         "src/restapi/restapi.qbs",
+        "src/utils/utils.qbs",
+        "src/repository/repository.qbs",
+
+        "external_libs/quazip.qbs",
     ]
 }

src/cpp-opds.qbs

@@ -22,6 +22,8 @@ PSApplication {
         Depends { name: "redkit_gen" }
         Depends { name: "rdbase" }
         Depends { name: "model" }
+        Depends { name: "quazip" }
+        Depends { name: "utils" }
 
         cpp.cxxLanguageVersion: "c++20"
 

src/database/database.qbs

@@ -11,13 +11,15 @@ PSLibrary {
         "DATABASE_SQLITE",
         "DATABASE_LIBRARY"
     ]
-    consoleApplication: true
 
     Depends { name: "Qt"; submodules: [ "core", "network" ] }
     Depends { name: "cpp" }
 
     Depends { name: "odb.gen" }
     Depends { name: "rdbase" }
+    Depends { name: "model" }
+
+    Depends { name: "redkit_gen" }
 
     odb.gen.databases: "sqlite"
     cpp.cxxLanguageVersion: "c++17"

src/database/database_utils.cpp

@@ -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)
+    odb::transaction t(db.begin());
+    try
     {
-    static std::random_device rd;
-    static std::mt19937 gen(rd());
-    std::uniform_int_distribution<> dis(0, pool.size() - 1);
-    return pool[dis(gen)];
+        // 1. Создаем/получаем книгу
+        auto books = db.query<Book_S>(odb::query<Book_S>::title == title);
+        SH<Book_S> book;
+
+        if (books.empty())
+        {
+            book = SH<Book_S>::create();
+            book->setTitle(title);
+
+            db.persist(book);
+        }
+        else
+        {
+            book = books.begin().load(); // Берем первую найденную книгу
         }
 
-// Функция для генерации случайного года
-int generate_random_year(int min_year = 1900, int max_year = 2020)
+        // 2. Обрабатываем авторов
+        for (const auto& name : authors)
         {
-    static std::random_device rd;
-    static std::mt19937 gen(rd());
-    std::uniform_int_distribution<> dis(min_year, max_year);
-    return dis(gen);
+            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);
             }
 
-} // namespace
+            // Проверяем и создаем связь
 
-QVector<testData> fillAuthorDB()
+            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())
             {
-    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)
-    {
-        QString first_name = generate_random_string(first_names);
-        QString last_name = generate_random_string(last_names);
-        int birth_year = generate_random_year(1900, 2000);
-
-        vecTest.push_back({ first_name, last_name, birth_year });
+                db.persist(SH<AuthorBook_S>::create(author, book));
+            }
         }
 
-    return vecTest;
+        t.commit();
+    }
+    catch (...)
+    {
+        t.rollback();
+        throw;
+    }
 }

src/database/database_utils.h

@@ -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/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>
 
-QVector<testData> DATABASE_EXPORT fillAuthorDB();
+void DATABASE_EXPORT addBook(oDBase& db, const QString title, const QVector<QString>& authors);

src/main.cpp

@@ -1,5 +1,6 @@
 #include <QCoreApplication>
 
+#include <QDataStream>
 #include <QPointer>
 #include <QSharedPointer>
 #include <QString>
@@ -9,109 +10,97 @@
 
 /* Опыты с odb */
 #include <database/database.hxx> // create_database
-#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_utils.h>
 #include <odb/database.hxx>
 
 #include <iostream>
 
+#include <utils/fb2extractor.h>
+#include <utils/zipwrapper.h>
+
 void fillBooksBD(uDBase& db)
 {
     try
     {
-        QVector<SH<Author_S>> authors = {
-            SH<Author_S>::create("George Orwell", "en"),
-            SH<Author_S>::create("J.K. Rowling", "en"),
-            SH<Author_S>::create("J.R.R. Tolkien", "en"),
-            SH<Author_S>::create("Leo Tolstoy", "ru"),
-            SH<Author_S>::create("Fyodor Dostoevsky", "ru"),
-            SH<Author_S>::create("Mark Twain", "en"),
-            SH<Author_S>::create("Charles Dickens", "en"),
-            SH<Author_S>::create("Virginia Woolf", "en"),
-            SH<Author_S>::create("Ernest Hemingway", "en"),
-            SH<Author_S>::create("Gabriel García Márquez", "en"),
-            SH<Author_S>::create("Franz Kafka", "de"),
-            SH<Author_S>::create("Harper Lee", "en"),
-            SH<Author_S>::create("William Shakespeare", "en"),
-            SH<Author_S>::create("Oscar Wilde", "en"),
-            SH<Author_S>::create("Aldous Huxley", "en"),
-            SH<Author_S>::create("Jane Austen", "en"),
-            SH<Author_S>::create("John Steinbeck", "en"),
-            SH<Author_S>::create("Agatha Christie", "en"),
-            SH<Author_S>::create("Isaac Asimov", "ru"),
+        QVector<Author_S> authors = {
+            Author_S("George Orwell"),
+            Author_S("J.K. Rowling"),
+            Author_S("J.R.R. Tolkien"),
+            Author_S("Leo Tolstoy"),
+            Author_S("Fyodor Dostoevsky"),
+            Author_S("Mark Twain"),
+            Author_S("Charles Dickens"),
+            Author_S("Virginia Woolf"),
+            Author_S("Ernest Hemingway"),
+            Author_S("Gabriel García Márquez"),
+            Author_S("Franz Kafka"),
+            Author_S("Harper Lee"),
+            Author_S("William Shakespeare"),
+            Author_S("Oscar Wilde"),
+            Author_S("Aldous Huxley"),
+            Author_S("Jane Austen"),
+            Author_S("John Steinbeck"),
+            Author_S("Agatha Christie"),
+            Author_S("Isaac Asimov"),
         };
 
-        // Список книг
-        QVector<Book_S> books = {
-            Book_S({ .author = authors[0], .title = "1984" }),
-            Book_S({ .author = authors[1], .title = "Harry Potter and the Philosopher's Stone" }),
-            Book_S({ .author = authors[2], .title = "The Hobbit" }),
-            Book_S({ .author = authors[3], .title = "War and Peace" }),
-            Book_S({ .author = authors[4], .title = "Crime and Punishment" }),
-            Book_S({ .author = authors[5], .title = "Adventures of Huckleberry Finn" }),
-            Book_S({ .author = authors[6], .title = "A Tale of Two Cities" }),
-            Book_S({ .author = authors[7], .title = "Mrs. Dalloway" }),
-            Book_S({ .author = authors[8], .title = "The Old Man and the Sea" }),
-            Book_S({ .author = authors[9], .title = "One Hundred Years of Solitude" }),
-            Book_S({ .author = authors[10], .title = "The Trial" }),
-            Book_S({ .author = authors[11], .title = "To Kill a Mockingbird" }),
-            Book_S({ .author = authors[12], .title = "Macbeth" }),
-            Book_S({ .author = authors[13], .title = "The Picture of Dorian Gray" }),
-            Book_S({ .author = authors[14], .title = "Brave New World" }),
-            Book_S({ .author = authors[15], .title = "Pride and Prejudice" }),
-            Book_S({ .author = authors[4], .title = "The Brothers Karamazov" }),
-            Book_S({ .author = authors[16], .title = "The Grapes of Wrath" }),
-            Book_S({ .author = authors[17], .title = "Murder on the Orient Express" }),
-            Book_S({ .author = authors[18], .title = "I, Robot" }),
-            Book_S({ .author = authors[0], .title = "Animal Farm" }),
-            Book_S({ .author = authors[1], .title = "Harry Potter and the Chamber of Secrets" }),
-            Book_S({ .author = authors[2], .title = "The Lord of the Rings: The Fellowship of the Ring" }),
-            Book_S({ .author = authors[3], .title = "Anna Karenina" }),
-            Book_S({ .author = authors[4], .title = "The Idiot" }),
-            Book_S({ .author = authors[5], .title = "The Adventures of Tom Sawyer" }),
-            Book_S({ .author = authors[6], .title = "Oliver Twist" }),
-            Book_S({ .author = authors[7], .title = "To the Lighthouse" }),
-            Book_S({ .author = authors[8], .title = "For Whom the Bell Tolls" }),
-            Book_S({ .author = authors[9], .title = "Love in the Time of Cholera" }),
-            Book_S({ .author = authors[10], .title = "The Metamorphosis" }),
-            Book_S({ .author = authors[11], .title = "Go Set a Watchman" }),
-            Book_S({ .author = authors[12], .title = "King Lear" }),
-            Book_S({ .author = authors[13], .title = "The Importance of Being Earnest" }),
-            Book_S({ .author = authors[14], .title = "Brave New World Revisited" }),
-            Book_S({ .author = authors[15], .title = "Emma" }),
-            Book_S({ .author = authors[4], .title = "The Double" }),
-            Book_S({ .author = authors[16], .title = "Of Mice and Men" }),
-            Book_S({ .author = authors[17], .title = "And Then There Were None" }),
-            Book_S({ .author = authors[18], .title = "The Foundation Trilogy" }),
-            Book_S({ .author = authors[0], .title = "Down and Out in Paris and London" }),
-            Book_S({ .author = authors[1], .title = "Harry Potter and the Prisoner of Azkaban" }),
-            Book_S({ .author = authors[2], .title = "The Lord of the Rings: The Two Towers" }),
-            Book_S({ .author = authors[3], .title = "War and Peace" }),
-            Book_S({ .author = authors[4], .title = "The Brothers Karamazov" }),
-            Book_S({ .author = authors[5], .title = "The Prince and the Pauper" }),
-            Book_S({ .author = authors[6], .title = "David Copperfield" }),
-            Book_S({ .author = authors[7], .title = "The Waves" }),
-            Book_S({ .author = authors[8], .title = "A Farewell to Arms" }),
-            Book_S({ .author = authors[9], .title = "Chronicle of a Death Foretold" }),
-        };
+        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;
     }
@@ -129,23 +118,28 @@ int main(int argc, char* argv[])
     uDBase db(openDB(dbPath));
 
     // 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., author.last, author.age);
-    //         db->persist(tempAuthor);
-    //     }
-    //     t.commit();
-    // }
+    // fillBooksBD(db);
 
     RestApiServer server(*db);
     server.start(8080);
 
+    QString zipArzh = "/home/alex/repos/exp/cpp-opds/f.fb2-631519-634744.zip";
+
+    auto z = ZipWrapper(zipArzh);
+    const auto books = z.work();
+
+    for (const auto& book : books)
+    {
+        try
+        {
+            addBook(*db, book.title, book.authors);
+        }
+        catch (const odb::exception& e)
+        {
+            std::cerr << "Error adding test data: " << e.what() << std::endl;
+        }
+    }
+
     // Set up code that uses    the Qt event loop here.
     // Call a.quit() or a.exit() to quit the application.
     // A not very useful example would be including
@@ -157,5 +151,6 @@ int main(int argc, char* argv[])
     // If you do not need a running Qt event loop, remove the call
     // to a.exec() or use the Non-Qt Plain C++ Application template.
 
+    // qWarning() << "S EXIT";
     return a.exec();
 }

src/model/book_s.h

@@ -1,95 +0,0 @@
-#ifndef BOOK_S_H
-#define BOOK_S_H
-
-#include "model_global.h"
-
-#include <QDateTime>
-
-#include "author_s.h"
-#include "genre_s.h"
-#include "series_s.h"
-
-struct Book_SZ
-{
-    SH<Author_S> author;
-    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 Book_SZ& book)
-    {
-        m_author = book.author;
-        m_title = book.title;
-        m_series = book.series;
-        m_year = book.year;
-        m_genre = book.genre;
-        m_lastModified = book.lastModified;
-        m_lang = book.lang;
-    }
-
-    quint64 id() const { return m_id; }
-    void setId(const quint64& newId) { m_id = newId; }
-
-    SH<Author_S> author() const { return m_author; }
-    void setAuthor(const SH<Author_S>& newAuthor) { m_author = newAuthor; }
-
-    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;
-
-private:
-#pragma db id auto
-    quint64 m_id;
-
-    SH<Author_S> m_author;
-    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)
-// struct BookByAuthorView
-// {
-// #pragma db column(Book_S::m_id)
-//     quint64 book_id;
-
-// #pragma db column(Book_S::m_name)
-//     QString book_name;
-
-// #pragma db column(Book_S::m_year)
-//     qint8 year;
-
-// #pragma db column(Author_S::m_first + " " + Author_S::m_last)
-//     QString author_full_name;
-// };
-
-#endif // BOOK_S_H

src/model/books/author_book_s.h

@@ -0,0 +1,47 @@
+#ifndef AUTHOR_BOOK_H
+#define AUTHOR_BOOK_H
+
+#include <model/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:
+public:
+#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

src/model/books/author_s.h

@@ -1,19 +1,15 @@
 #ifndef AUTHOR_S_H
 #define AUTHOR_S_H
 
-#include "model_global.h"
+#include <model/model_global.h>
 
 #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& fullName) :
+        m_fullName(fullName) {}
 
     quint64 id() const { return m_id; }
     void setId(quint64 newId) { m_id = newId; }
@@ -28,6 +24,7 @@ private:
     friend class odb::access;
 
 private:
+public:
 #pragma db id auto
     quint64 m_id;
 

src/model/books/book_s.h

@@ -0,0 +1,43 @@
+#ifndef BOOK_S_H
+#define BOOK_S_H
+
+#include <model/model_global.h>
+
+#include <QDateTime>
+
+#pragma db object
+class MODEL_EXPORT Book_S
+{
+public:
+    Book_S() = default;
+
+    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; }
+
+    quint8 year() const { return m_year; }
+    void setYear(const quint8& newYear) { m_year = newYear; }
+
+    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;
+
+private:
+public:
+#pragma db id auto
+    quint64 m_id;
+
+    QString m_title;
+    quint8 m_year;
+    QDateTime m_lastModified;
+    QString m_lang;
+};
+
+#endif // BOOK_S_H

src/model/books/genre_book_s.h

@@ -0,0 +1,46 @@
+#ifndef GENRE_BOOK_S_H
+#define GENRE_BOOK_S_H
+
+#include <model/model_global.h>
+
+#include "book_s.h"
+#include "genre_s.h"
+
+#pragma db object
+class GenreBook_S
+{
+private:
+    GenreBook_S() = default;
+
+public:
+    GenreBook_S(const SH<Genre_S>& genreId, const SH<Book_S>& bookId) :
+        m_genreId(genreId),
+        m_bookId(bookId) {}
+
+    quint64 id() const { return m_id; }
+    void setId(quint64 newId) { m_id = newId; }
+
+    SH<Genre_S> genreId() const { return m_genreId; }
+    void setGenreId(const SH<Genre_S>& newGenreId) { m_genreId = newGenreId; }
+
+    SH<Book_S> bookId() const { return m_bookId; }
+    void setBookId(const SH<Book_S>& newBookId) { m_bookId = newBookId; }
+
+private:
+    friend class odb::access;
+
+private:
+public:
+#pragma db id auto
+    quint64 m_id;
+
+#pragma db not_null
+    SH<Genre_S> m_genreId;
+
+#pragma db not_null
+    SH<Book_S> m_bookId;
+
+#pragma db index("genre_book_unique") member(m_genreId) member(m_bookId) unique
+};
+
+#endif // GENRE_BOOK_S_H

src/model/books/genre_s.h

@@ -1,7 +1,7 @@
 #ifndef GENRE_H
 #define GENRE_H
 
-#include "model_global.h"
+#include <model/model_global.h>
 
 #pragma db object
 class MODEL_EXPORT Genre_S
@@ -19,6 +19,7 @@ private:
     friend class odb::access;
 
 private:
+public:
 #pragma db id auto
     quint64 m_id;
 

src/model/books/manutomanybase.h

@@ -0,0 +1,10 @@
+#ifndef MANUTOMANYBASE_H
+#define MANUTOMANYBASE_H
+
+class ManuToManyBase
+{
+public:
+    ManuToManyBase();
+};
+
+#endif // MANUTOMANYBASE_H

src/model/books/series_book_s.h

@@ -0,0 +1,46 @@
+#ifndef SERIES_BOOK_S_H
+#define SERIES_BOOK_S_H
+
+#include <model/model_global.h>
+
+#include "book_s.h"
+#include "series_s.h"
+
+#pragma db object
+class MODEL_EXPORT SeriesBook_S
+{
+private:
+    SeriesBook_S() = default;
+
+public:
+    SeriesBook_S(const SH<Series_S>& serieId, const SH<Book_S>& bookId) :
+        m_serieId(serieId),
+        m_bookId(bookId) {}
+
+    quint64 id() const { return m_id; }
+    void setId(quint64 newId) { m_id = newId; }
+
+    SH<Series_S> serieId() const { return m_serieId; }
+    void setSerieId(const SH<Series_S>& newSerieId) { m_serieId = newSerieId; }
+
+    SH<Book_S> bookId() const { return m_bookId; }
+    void setBookId(const SH<Book_S>& newBookId) { m_bookId = newBookId; }
+
+private:
+    friend class odb::access;
+
+private:
+public:
+#pragma db id auto
+    quint64 m_id;
+
+#pragma db not_null
+    SH<Series_S> m_serieId;
+
+#pragma db not_null
+    SH<Book_S> m_bookId;
+
+#pragma db index("series_book_unique") member(m_serieId) member(m_bookId) unique
+};
+
+#endif // SERIES_BOOK_S_H

src/model/books/series_s.h

@@ -1,7 +1,7 @@
 #ifndef SERIES_H
 #define SERIES_H
 
-#include "model_global.h"
+#include <model/model_global.h>
 
 #pragma db object
 class MODEL_EXPORT Series_S
@@ -12,13 +12,14 @@ public:
     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; }
+    QString name() const { return m_serName; }
+    void setName(const QString& newSerName) { m_serName = newSerName; }
 
 private:
     friend class odb::access;
 
 private:
+public:
 #pragma db id auto
     quint64 m_id;
 

src/model/model.qbs

@@ -20,17 +20,27 @@ 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"
 
+    Group {
+        id: headers
+        name: "headers"
+        files: [
+            "model_global.h",
+        ]
+    }
+
     Group {
         id: odbs
         name: "odb"
         files: [
             "**/*.h",
         ]
+        excludeFiles: headers.files
         fileTags: ["hpp", "odbxx", "rgen"]
     }
 

src/model/settings/settings.h

@@ -0,0 +1,23 @@
+#ifndef SETTINGS_S_H
+#define SETTINGS_S_H
+
+#include <model/model_global.h>
+
+#pragma db object
+class MODEL_EXPORT Settings_S
+{
+public:
+    Settings_S() = default;
+
+    quint64 id() const { return m_id; }
+    void setId(const quint64& newId) { m_id = newId; }
+
+private:
+    friend class odb::access;
+
+private:
+#pragma db id auto
+    quint64 m_id;
+};
+
+#endif // SETTINGS_S_H

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

@@ -0,0 +1,96 @@
+#include "bookrepository.h"
+
+#include <QDebug>
+
+#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
+{
+
+BookRepository::BookRepository(odb::core::database& db) :
+    m_db(db)
+{}
+
+QVector<Book_S> BookRepository::findAll()
+{
+    odb::transaction t(m_db.begin());
+    odb::result<Book_S> res(m_db.query<Book_S>());
+
+    QVector<Book_S> books;
+
+    for (auto it = res.begin(); it != res.end(); ++it)
+    {
+        const auto& book = *it;
+        books.push_back(book);
+    }
+
+    t.commit();
+
+    return books;
+}
+
+Book_S BookRepository::findById(int id)
+{
+    odb::transaction t(m_db.begin());
+    odb::result<Book_S> res(m_db.query<Book_S>(odb::query<Book_S>::id == id));
+
+    Book_S book;
+    res.value(book);
+
+    t.commit();
+
+    return book;
+}
+
+// void BookRepository::save(const Book_S& book)
+// {
+// }
+
+void BookRepository::remove(int id)
+{
+    odb::transaction t(m_db.begin());
+    odb::result<Book_S> res(m_db.query<Book_S>(odb::query<Book_S>::id == id));
+    res.one().reset();
+    t.commit();
+}
+
+QVector<Book_S> BookRepository::findByAuthor(const int& authorId)
+{
+    odb::transaction t(m_db.begin());
+
+    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 == authorId));
+
+    for (const AuthorBook_S& ab : abResult)
+    {
+        // Загружаем каждую книгу по ID
+        SH<Book_S> book(m_db.load<Book_S>(ab.book()->id()));
+        books.push_back(*book.data());
+    }
+
+    t.commit();
+
+    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

@@ -0,0 +1,41 @@
+#ifndef BOOKREPOSITORY_H
+#define BOOKREPOSITORY_H
+
+#include "repository_global.h"
+
+#include <model/books/book_s.h>
+
+#include <QString>
+#include <QVector>
+
+namespace repository
+{
+
+class REPOSITORY_EXPORT BookRepository
+{
+public:
+    BookRepository(odb::core::database& db);
+
+    // Получить все книги
+    QVector<Book_S> findAll();
+
+    // Найти книгу по ID
+    Book_S findById(int id);
+
+    // Сохранить книгу (создать или обновить)
+    // void save(const Book_S& book);
+
+    // Удалить книгу
+    void remove(int id);
+
+    // Найти книги по автору
+    QVector<Book_S> findByAuthor(const QString& authorName);
+    QVector<Book_S> findByAuthor(const int& authorId);
+
+private:
+    odb::core::database& m_db;
+};
+
+} // namespace repository
+
+#endif // BOOKREPOSITORY_H

src/repository/repository.qbs

@@ -0,0 +1,33 @@
+/*!
+    \qmltype cpp-opds
+    \inherits Project
+    \brief Описание
+*/
+PSLibrary {
+    name: "repository"
+    cpp.defines: [
+        "REPOSITORY_LIBRARY"
+    ]
+
+    Depends { name: "Qt"; submodules: [ "core" ] }
+    Depends { name: "model" }
+
+    Depends { name: "rdbase" }
+    Depends { name: "odb.gen" }
+    Depends { name: "database" }
+
+    Group {
+        name: "cpp"
+        files: [
+            "**/*.h",
+            "**/*.cpp",
+        ]
+    }
+
+    cpp.dynamicLibraries: [
+        "odb-sqlite",
+        "odb-qt",
+        "odb",
+        "sqlite3"
+    ]
+}

src/repository/repository_global.h

@@ -0,0 +1,12 @@
+#ifndef REPOSITORY_GLOBAL_H
+#define REPOSITORY_GLOBAL_H
+
+#include <QtCore/qglobal.h>
+
+#if defined(REPOSITORY_LIBRARY)
+#define REPOSITORY_EXPORT Q_DECL_EXPORT
+#else
+#define REPOSITORY_EXPORT Q_DECL_IMPORT
+#endif
+
+#endif // REPOSITORY_GLOBAL_H

src/restapi/restapi.qbs

@@ -19,6 +19,7 @@ WPSLibrary {
     Depends { name: "redkit_gen" }
     Depends { name: "rdbase" }
     Depends { name: "model" }
+    Depends { name: "repository" }
 
     cpp.cxxLanguageVersion: "c++20"
 

src/restapi/restapiserver.cpp

@@ -5,10 +5,13 @@
 #include <QJsonObject>
 #include <QJsonValue>
 
-#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 <model/books/author_s-odb.hxx> // Должен быть здесь
+#include <model/books/author_s.h>
+#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>
 #include <odb/database.hxx>
@@ -63,79 +66,90 @@ QByteArray RestApiServer::processRequest(const QString& request)
 
     if (request.startsWith("GET /books/author/"))
     {
+        repository::BookRepository b(m_db);
+
         QString author = request.section(' ', 1, 1).section('/', 3, 3).replace("%20", " ");
-        quint64 ageReq = author.toInt();
-
-        QStringList nameParts = author.split(' ');
-        QString firstName = nameParts.size() > 0 ? nameParts[0] : "";
-        QString lastName = nameParts.size() > 1 ? nameParts[1] : "";
-
-        odb::transaction t(m_db.begin());
-
-        auto books = m_db.query<Book_S>(odb::query<Book_S>::author->id == ageReq);
+        qWarning() << author;
+        auto books = b.findByAuthor(author);
 
         QJsonArray jArray;
         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();
+        return "HTTP/1.1 200 OK\r\nContent-Type: application/json\r\n\r\n" + jDoc.toJson(QJsonDocument::Indented);
+    }
+
+    if (request.startsWith("GET /books/id"))
+    {
+        repository::BookRepository b(m_db);
+
+        QString book_id = request.section(' ', 1, 1).section('/', 3, 3).replace("%20", " ");
+        qWarning() << book_id;
+
+        auto book = b.findById(book_id.toInt());
+
+        QJsonObject j;
+        j["id"] = QString::number(book.id());
+        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);
 
         return "HTTP/1.1 200 OK\r\nContent-Type: application/json\r\n\r\n" + jDoc.toJson(QJsonDocument::Indented);
     }
 
     if (request.startsWith("GET /books"))
     {
-        odb::transaction t(m_db.begin());
-        odb::result<Book_S> res(m_db.query<Book_S>());
+        repository::BookRepository b(m_db);
 
         QJsonArray jArray;
-        for (auto it = res.begin(); it != res.end(); ++it)
+        for (const auto& book : b.findAll())
         {
-            const auto& book = *it;
-
             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();
+
+            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);
-        t.commit();
 
         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)
@@ -145,11 +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);
     }

src/utils/fb2extractor.cpp

@@ -0,0 +1,101 @@
+#include "fb2extractor.h"
+
+// FB2Extractor::FB2Extractor()
+// {
+// }
+
+FB2Extractor::FB2Extractor(QuaZipFile& file) :
+    m_file(&file)
+{
+}
+
+FB2Extractor::~FB2Extractor()
+{
+    m_file.close();
+}
+
+Fb2Metadata FB2Extractor::parse()
+{
+    bool isOpen = m_file.open(QIODevice::ReadOnly);
+    // int zipError = fb2File.getZipError();
+    if (!isOpen)
+    {
+        qWarning() << "file in extractor is not open";
+        return {};
+    }
+
+    QXmlStreamReader xmlData(&m_file);
+
+    Fb2Metadata meta;
+    QString currentElement;
+    bool inTitleInfo = false;
+    bool inAuthor = false;
+    QString currentAuthor;
+
+    while (!xmlData.atEnd())
+    {
+        switch (xmlData.readNext())
+        {
+        case QXmlStreamReader::StartElement:
+            currentElement = xmlData.name().toString();
+
+            if (currentElement == "title-info")
+            {
+                inTitleInfo = true;
+            }
+            else if (inTitleInfo)
+            {
+                if (currentElement == "book-title")
+                {
+                    meta.title = xmlData.readElementText();
+                }
+                else if (currentElement == "genre")
+                {
+                    meta.genres << xmlData.readElementText();
+                }
+                else if (currentElement == "author")
+                {
+                    inAuthor = true;
+                    currentAuthor.clear();
+                }
+                else if (inAuthor && (currentElement == "first-name" || currentElement == "last-name" || currentElement == "middle-name"))
+                {
+                    currentAuthor += xmlData.readElementText() + " ";
+                }
+            }
+            break;
+
+        case QXmlStreamReader::EndElement:
+            if (xmlData.name().toString() == "title-info")
+            {
+                inTitleInfo = false;
+            }
+            else if (xmlData.name().toString() == "author" && inAuthor)
+            {
+                meta.authors << currentAuthor.trimmed();
+                inAuthor = false;
+            }
+            break;
+
+        case QXmlStreamReader::Characters:
+            // Обработка текста уже делается в readElementText()
+            break;
+
+        default:
+            break;
+        }
+
+        // Прерываем парсинг, если нашли все метаданные
+        if (!meta.title.isEmpty() && !meta.authors.isEmpty() && !meta.genres.isEmpty())
+        {
+            break;
+        }
+    }
+
+    if (xmlData.hasError())
+    {
+        qWarning() << "XML parsing error:" << xmlData.errorString();
+    }
+
+    return meta;
+}

src/utils/fb2extractor.h

@@ -0,0 +1,36 @@
+#ifndef FB2EXTRACTOR_H
+#define FB2EXTRACTOR_H
+
+#include "utils_global.h"
+
+#include <QDebug>
+#include <QString>
+#include <QXmlStreamReader>
+
+#include <external_libs/quazip/quazip/quazipfile.h>
+
+struct Fb2Metadata
+{
+    QString title;            // Название книги
+    QVector<QString> authors; // Авторы
+    QStringList genres;       // Жанры
+};
+
+Fb2Metadata UTILS_EXPORT parseFb2Metadata(QXmlStreamReader& sr);
+
+class UTILS_EXPORT FB2Extractor
+{
+public:
+    FB2Extractor(QuaZipFile& file);
+    ~FB2Extractor();
+
+    /*!
+     * \brief Распарсить инфу из содержимого
+     */
+    Fb2Metadata parse();
+
+private:
+    QuaZipFile m_file;
+};
+
+#endif // FB2EXTRACTOR_H

src/utils/utils.qbs

@@ -0,0 +1,22 @@
+/*!
+    \qmltype cpp-opds
+    \inherits Project
+    \brief Описание
+*/
+PSLibrary {
+    name: "utils"
+    cpp.defines: [
+        "UTILS_LIBRARY"
+    ]
+
+    Depends { name: "Qt"; submodules: [ "core" ] }
+    Depends { name: "quazip" }
+
+    Group {
+        name: "cpp"
+        files: [
+            "**/*.h",
+            "**/*.cpp",
+        ]
+    }
+}

src/utils/utils_global.h

@@ -0,0 +1,12 @@
+#ifndef UTILS_GLOBAL_H
+#define UTILS_GLOBAL_H
+
+#include <QtCore/qglobal.h>
+
+#if defined(UTILS_LIBRARY)
+#define UTILS_EXPORT Q_DECL_EXPORT
+#else
+#define UTILS_EXPORT Q_DECL_IMPORT
+#endif
+
+#endif // UTILS_GLOBAL_H

src/utils/zipwrapper.cpp

@@ -0,0 +1,142 @@
+#include "zipwrapper.h"
+
+#include "fb2extractor.h"
+
+#include <external_libs/quazip/quazip/quazipfile.h>
+
+namespace
+{
+Fb2Metadata parse(QuaZipFile& m_file)
+{
+    bool isOpen = m_file.open(QIODevice::ReadOnly);
+    // int zipError = fb2File.getZipError();
+    if (!isOpen)
+    {
+        qWarning() << "file in extractor is not open";
+        return {};
+    }
+
+    QXmlStreamReader xmlData(&m_file);
+
+    Fb2Metadata meta;
+    QString currentElement;
+    bool inTitleInfo = false;
+    bool inAuthor = false;
+    QString currentAuthor;
+
+    while (!xmlData.atEnd())
+    {
+        switch (xmlData.readNext())
+        {
+        case QXmlStreamReader::StartElement:
+            currentElement = xmlData.name().toString();
+
+            if (currentElement == "title-info")
+            {
+                inTitleInfo = true;
+            }
+            else if (inTitleInfo)
+            {
+                if (currentElement == "book-title")
+                {
+                    meta.title = xmlData.readElementText();
+                }
+                else if (currentElement == "genre")
+                {
+                    meta.genres << xmlData.readElementText();
+                }
+                else if (currentElement == "author")
+                {
+                    inAuthor = true;
+                    currentAuthor.clear();
+                }
+                else if (inAuthor && (currentElement == "first-name" || currentElement == "last-name" || currentElement == "middle-name"))
+                {
+                    currentAuthor += xmlData.readElementText() + " ";
+                }
+            }
+            break;
+
+        case QXmlStreamReader::EndElement:
+            if (xmlData.name().toString() == "title-info")
+            {
+                inTitleInfo = false;
+            }
+            else if (xmlData.name().toString() == "author" && inAuthor)
+            {
+                meta.authors << currentAuthor.trimmed();
+                inAuthor = false;
+            }
+            break;
+
+        case QXmlStreamReader::Characters:
+            // Обработка текста уже делается в readElementText()
+            break;
+
+        default:
+            break;
+        }
+
+        // Прерываем парсинг, если нашли все метаданные
+        if (!meta.title.isEmpty() && !meta.authors.isEmpty() && !meta.genres.isEmpty())
+        {
+            break;
+        }
+    }
+
+    if (xmlData.hasError())
+    {
+        qWarning() << "XML parsing error:" << xmlData.errorString();
+    }
+
+    return meta;
+}
+
+} // namespace
+
+ZipWrapper::ZipWrapper(const QString& zipFilePath) :
+    m_zip(zipFilePath)
+{
+    m_zip.open(QuaZip::mdUnzip);
+    isOpen();
+}
+
+ZipWrapper::~ZipWrapper()
+{
+    // В любом случае закрываем архив
+    m_zip.close();
+}
+
+QVector<Fb2Metadata> ZipWrapper::work()
+{
+    if (!isOpen())
+        return {};
+
+    // int i = 0;
+    QVector<Fb2Metadata> parsedBooks;
+    for (bool more = m_zip.goToFirstFile(); more; more = m_zip.goToNextFile())
+    {
+        // ++i;
+        if (m_zip.getCurrentFileName().endsWith(".fb2"))
+        {
+            QuaZipFile fb2File(&m_zip);
+
+            auto fb2Extr = parse(fb2File);
+            // qWarning() << i << ":" << fb2Extr.title << fb2Extr.authors << fb2Extr.genres;
+            parsedBooks.push_back(fb2Extr);
+        }
+        else
+            qWarning() << "Неизвестный файл" << &m_zip;
+    }
+
+    return parsedBooks;
+}
+
+bool ZipWrapper::isOpen()
+{
+    if (m_zip.isOpen())
+        return true;
+
+    qWarning() << "Не удалось открыть архив:" << m_zip.getZipName();
+    return false;
+}

src/utils/zipwrapper.h

@@ -0,0 +1,29 @@
+#ifndef ZIPWRAPPER_H
+#define ZIPWRAPPER_H
+
+#include "utils_global.h"
+
+#include <QDebug>
+#include <QString>
+#include <QXmlStreamReader>
+
+#include <external_libs/quazip/quazip/quazip.h>
+#include <external_libs/quazip/quazip/quazipfile.h> // TODO для совместимости. Временно
+
+#include "fb2extractor.h"
+
+class UTILS_EXPORT ZipWrapper
+{
+public:
+    ZipWrapper(const QString& zipFilePath);
+    ~ZipWrapper();
+
+    QVector<Fb2Metadata> work();
+
+private:
+    bool isOpen();
+
+    QuaZip m_zip;
+};
+
+#endif // ZIPWRAPPER_H