Разнос по библиотекам + прикручиваем odb из redkitty

src/database/author_s.h

@@ -0,0 +1,64 @@
+// file      : hello/person.hxx
+// copyright : not copyrighted - public domain
+
+#ifndef AUTHOR_S_H
+#define AUTHOR_S_H
+
+#include "database_global.h"
+
+#include <QString>
+
+#include <odb/core.hxx>
+#include <odb/database.hxx>
+#include <odb/query.hxx>
+
+#pragma db object
+class DATABASE_EXPORT Author_S
+{
+public:
+    Author_S() = default;
+
+    Author_S(const QString& firstN,
+             const QString& lastN,
+             const unsigned short age) :
+        m_firstName(firstN),
+        m_lastName(lastN),
+        m_age(age)
+    {
+    }
+
+    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 full_name() const { return m_firstName + " " + m_lastName; }
+
+    void age(unsigned short age) { m_age = age; }
+
+private:
+    friend class odb::access;
+
+private:
+#pragma db id auto
+    quint64 m_id;
+
+    QString m_firstName;
+    QString m_lastName;
+    quint8 m_age;
+};
+
+#pragma db view object(Author_S)
+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

src/database/book_s.h

@@ -0,0 +1,64 @@
+// file      : hello/person.hxx
+// copyright : not copyrighted - public domain
+
+#ifndef BOOK_S_H
+#define BOOK_S_H
+
+#include "database_global.h"
+
+#include <QSharedPointer>
+#include <QString>
+#include <odb/core.hxx>
+#include <rcore/smarttypes.h>
+
+#include "author_s.h"
+
+#pragma db object
+class DATABASE_EXPORT Book_S
+{
+public:
+    Book_S() = default;
+
+    Book_S(const QString& name,
+           const SH<Author_S>& author,
+           const int year)
+    {
+        m_author = author;
+        m_name = name;
+        m_year = year;
+    };
+
+    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; }
+
+private:
+    friend class odb::access;
+
+private:
+#pragma db id auto
+    quint64 m_id;
+
+    SH<Author_S> m_author;
+    QString m_name;
+    quint8 m_year;
+};
+
+// #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/database/database.hxx

@@ -0,0 +1,183 @@
+// file      : hello/database.hxx
+// copyright : not copyrighted - public domain
+
+//
+// Create concrete database instance based on the DATABASE_* macros.
+//
+
+#ifndef DATABASE_HXX
+#define DATABASE_HXX
+
+#include <cstdlib> // std::exit
+#include <iostream>
+#include <memory> // std::unique_ptr
+#include <string>
+
+#include <odb/database.hxx>
+
+#if defined(DATABASE_MYSQL)
+#include <odb/mysql/database.hxx>
+#elif defined(DATABASE_SQLITE)
+#include <odb/connection.hxx>
+#include <odb/schema-catalog.hxx>
+#include <odb/sqlite/database.hxx>
+#include <odb/transaction.hxx>
+#elif defined(DATABASE_PGSQL)
+#include <odb/pgsql/database.hxx>
+#elif defined(DATABASE_ORACLE)
+#include <odb/oracle/database.hxx>
+#elif defined(DATABASE_MSSQL)
+#include <odb/mssql/database.hxx>
+#else
+#error unknown database; did you forget to define the DATABASE_* macros?
+#endif
+
+#include <filesystem>
+#include <random>
+#include <rcore/smarttypes.h>
+
+using oDBase = odb::sqlite::database;
+using uDBase = U<oDBase>;
+
+struct testData
+{
+    QString first;
+    QString last;
+    int age;
+};
+
+// 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);
+}
+
+QVector<testData> fillDB()
+{
+    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 });
+    }
+
+    return vecTest;
+}
+
+inline uDBase openDB(const std::string path_db)
+{
+    // Открыть БД, если она существует
+    auto db_ptr = new oDBase(path_db, SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE);
+
+    if (std::filesystem::is_regular_file(path_db))
+        return uDBase(db_ptr);
+
+    // И создать новую, если не существует
+    uDBase db(db_ptr);
+
+    odb::connection_ptr connect_ptr(db->connection());
+
+    connect_ptr->execute("PRAGMA foreign_keys=OFF");
+
+    odb::transaction tans(db->begin());
+    odb::schema_catalog::create_schema(*db);
+    tans.commit();
+
+    connect_ptr->execute("PRAGMA foreign_keys=ON");
+
+    return db;
+}
+
+inline std::unique_ptr<odb::database> create_database(int& argc, char* argv[])
+{
+    using namespace std;
+    using namespace odb::core;
+
+    if (argc > 1 && argv[1] == string("--help"))
+    {
+        cout << "Usage: " << argv[0] << " [options]" << endl
+             << "Options:" << endl;
+
+#if defined(DATABASE_MYSQL)
+        odb::mysql::database::print_usage(cout);
+#elif defined(DATABASE_SQLITE)
+        odb::sqlite::database::print_usage(cout);
+#elif defined(DATABASE_PGSQL)
+        odb::pgsql::database::print_usage(cout);
+#elif defined(DATABASE_ORACLE)
+        odb::oracle::database::print_usage(cout);
+#elif defined(DATABASE_MSSQL)
+        odb::mssql::database::print_usage(cout);
+#endif
+
+        exit(0);
+    }
+
+#if defined(DATABASE_MYSQL)
+    unique_ptr<database> db(new odb::mysql::database(argc, argv));
+#elif defined(DATABASE_SQLITE)
+
+    unique_ptr<database> db(new odb::sqlite::database(argc,
+                                                      argv,
+                                                      false,
+                                                      SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE));
+
+    // Create the database schema. Due to bugs in SQLite foreign key
+    // support for DDL statements, we need to temporarily disable
+    // foreign keys.
+    //
+    {
+        connection_ptr connect_ptr(db->connection());
+
+        connect_ptr->execute("PRAGMA foreign_keys=OFF");
+
+        transaction tans(connect_ptr->begin());
+        schema_catalog::create_schema(*db);
+        tans.commit();
+
+        connect_ptr->execute("PRAGMA foreign_keys=ON");
+    }
+#elif defined(DATABASE_PGSQL)
+    unique_ptr<database> db(new odb::pgsql::database(argc, argv));
+#elif defined(DATABASE_ORACLE)
+    unique_ptr<database> db(new odb::oracle::database(argc, argv));
+#elif defined(DATABASE_MSSQL)
+    unique_ptr<database> db(
+    new odb::mssql::database(argc, argv, false, "TrustServerCertificate=yes"));
+#endif
+
+    return db;
+}
+
+#endif // DATABASE_HXX

src/database/database.qbs

@@ -1,16 +1,55 @@
-import qbs
-
+/*!
+    \qmltype cpp-opds
+    \inherits Project
+    \brief Описание
+*/
 PSLibrary {
-    Depends { name: "Qt"; submodules: "sql"}
+    cpp.defines: [
+        // You can make your code fail to compile if it uses deprecated APIs.
+        // In order to do so, uncomment the following line.
+        //"QT_DISABLE_DEPRECATED_BEFORE=0x060000" // disables all the APIs deprecated before Qt 6.0.0
+        "DATABASE_SQLITE",
+        "DATABASE_LIBRARY"
+    ]
+    consoleApplication: true
 
-    Depends { name: "model" }
-    Depends { name: "sql_builder" }
+    Depends { name: "Qt"; submodules: [ "core", "sql", "network" ] }
+    Depends { name: "cpp" }
+
+    Depends { name: "odb.gen" }
+    Depends { name: "rdbase" }
+
+    Depends { name: "redkit_gen" }
+    redkit_gen.includeModules: ["JsonSerializer"]
+
+    odb.gen.databases: "sqlite"
+    cpp.cxxLanguageVersion: "c++17"
 
     Group {
         name: "cpp"
         files: [
-            "**/*.h",
-            "**/*.cpp"
+            "databasemanager.*",
+            "*.cpp",
+            "*.h",
+            "*.hxx",
         ]
+        excludeFiles: odbs.files
     }
+
+    Group {
+        id: odbs
+        name: "odb"
+        files: [
+            "author_s.h",
+            "book_s.h",
+        ]
+        fileTags: ["hpp", "odbxx"]
+    }
+
+    cpp.dynamicLibraries: [
+        "odb-sqlite",
+        "odb-qt",
+        "odb",
+        "sqlite3"
+    ]
 }

src/database/database_global.h

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

src/database/databasemanager.cpp

@@ -1,38 +0,0 @@
-#include "databasemanager.h"
-
-#include <model/author.h>
-#include <model/book.h>
-
-DatabaseManager::DatabaseManager() {}
-
-DatabaseManager::~DatabaseManager()
-{
-    if (db.isOpen())
-        db.close();
-}
-
-DatabaseManager& DatabaseManager::instance()
-{
-    static DatabaseManager instance;
-    return instance;
-}
-
-bool DatabaseManager::connect(const QString& dbPath)
-{
-    db = QSqlDatabase::addDatabase("QSQLITE");
-    db.setDatabaseName(dbPath);
-    return db.open();
-}
-
-QSqlDatabase& DatabaseManager::database()
-{
-    return db;
-}
-
-void DatabaseManager::initializeDatabase()
-{
-    QSqlQuery query;
-
-    query.exec(model::createTableBook());
-    query.exec(model::createTableAuthor());
-}

src/database/databasemanager.h

@@ -1,21 +0,0 @@
-#ifndef DATABASEMANAGER_H
-#define DATABASEMANAGER_H
-
-#include <QDebug>
-#include <QtSql>
-
-class Q_DECL_EXPORT DatabaseManager
-{
-public:
-    static DatabaseManager& instance();
-    bool connect(const QString& dbPath);
-    QSqlDatabase& database();
-    void initializeDatabase();
-
-private:
-    DatabaseManager();
-    ~DatabaseManager();
-    QSqlDatabase db;
-};
-
-#endif // DATABASEMANAGER_H