Initial commit

2026-07-12 14:34:52 +04:00
commit 3abf6bd9c2
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+#ifndef DATABASE_INTERFACE_H
+#define DATABASE_INTERFACE_H
+
+#include <string>
+#include <vector>
+
+// Data structures representing the entities
+
+struct Genre {
+  int genre_id;
+  std::string genre_name;
+
+  Genre() = default;
+  Genre(int id, const std::string &name) : genre_id(id), genre_name(name) {}
+};
+
+struct Movie {
+  int movie_id;
+  std::string title;
+  int genre_id;
+  int duration; // Duration in minutes
+
+  Movie() = default;
+  Movie(int id, const std::string &title, int genre_id, int duration)
+      : movie_id(id), title(title), genre_id(genre_id), duration(duration) {}
+};
+
+struct Hall {
+  int hall_id;
+  std::string hall_name;
+  int capacity;
+
+  Hall() = default;
+  Hall(int id, const std::string &name, int capacity)
+      : hall_id(id), hall_name(name), capacity(capacity) {}
+};
+
+struct Session {
+  int session_id;
+  int movie_id;
+  int hall_id;
+  std::string begin_at; // Use appropriate date-time type if needed
+  double ticket_price;
+
+  Session() = default;
+  Session(int id, int movie_id, int hall_id, const std::string &begin_at,
+          double price)
+      : session_id(id), movie_id(movie_id), hall_id(hall_id),
+        begin_at(begin_at), ticket_price(price) {}
+};
+
+struct Ticket {
+  int ticket_id;
+  int session_id;
+  int seat_number;
+  std::string sold_at; // Use appropriate date-time type if needed
+
+  Ticket() = default;
+  Ticket(int id, int session_id, int seat_number, const std::string &time)
+      : ticket_id(id), session_id(session_id), seat_number(seat_number),
+        sold_at(time) {}
+};
+
+struct Refund {
+  int refund_id;
+  int ticket_id;
+  std::string refund_at; // Use appropriate date-time type if needed
+  double refund_amount;
+
+  Refund() = default;
+  Refund(int id, int ticket_id, const std::string &time, double amount)
+      : refund_id(id), ticket_id(ticket_id), refund_at(time),
+        refund_amount(amount) {}
+};
+
+// Structures for adding new records (without IDs)
+
+struct NewGenre {
+  std::string genre_name;
+
+  NewGenre() = default;
+  NewGenre(const std::string &name) : genre_name(name) {}
+};
+
+struct NewMovie {
+  std::string title;
+  int genre_id;
+  int duration; // Duration in minutes
+
+  NewMovie() = default;
+  NewMovie(const std::string &title, int genre_id, int duration)
+      : title(title), genre_id(genre_id), duration(duration) {}
+};
+
+struct NewHall {
+  std::string hall_name;
+  int capacity;
+
+  NewHall() = default;
+  NewHall(const std::string &name, int capacity)
+      : hall_name(name), capacity(capacity) {}
+};
+
+struct NewSession {
+  int movie_id;
+  int hall_id;
+  std::string begin_at; // Use appropriate date-time type if needed
+  double ticket_price;
+
+  NewSession() = default;
+  NewSession(int movie_id, int hall_id, const std::string &begin_at,
+             double price)
+      : movie_id(movie_id), hall_id(hall_id), begin_at(begin_at),
+        ticket_price(price) {}
+};
+
+struct NewTicket {
+  int session_id;
+  int seat_number;
+  std::string sold_at; // Optional, can default to CURRENT_TIMESTAMP
+
+  NewTicket() = default;
+  NewTicket(int session_id, int seat_number, const std::string &time)
+      : session_id(session_id), seat_number(seat_number), sold_at(time) {}
+};
+
+struct NewRefund {
+  int ticket_id;
+  std::string refund_at; // Optional, can default to CURRENT_TIMESTAMP
+  double refund_amount;
+
+  NewRefund() = default;
+  NewRefund(int ticket_id, const std::string &time, double amount)
+      : ticket_id(ticket_id), refund_at(time), refund_amount(amount) {}
+};
+
+// Abstract interface for database operations
+class DatabaseInterface {
+public:
+  virtual ~DatabaseInterface() {}
+
+  // Verification of the database availability
+  virtual bool isDatabaseAvailable() = 0;
+
+  // Genre operations
+  virtual bool addGenre(const NewGenre &genre) = 0;
+  virtual bool removeGenre(int genre_id) = 0;
+  virtual bool updateGenre(const Genre &genre) = 0;
+  virtual Genre getGenre(int genre_id) = 0;
+  virtual std::vector<Genre> getAllGenres() = 0;
+
+  // Movie operations
+  virtual bool addMovie(const NewMovie &movie) = 0;
+  virtual bool removeMovie(int movie_id) = 0;
+  virtual bool updateMovie(const Movie &movie) = 0;
+  virtual Movie getMovie(int movie_id) = 0;
+  virtual std::vector<Movie> getAllMovies() = 0;
+
+  // Hall operations
+  virtual bool addHall(const NewHall &hall) = 0;
+  virtual bool removeHall(int hall_id) = 0;
+  virtual bool updateHall(const Hall &hall) = 0;
+  virtual Hall getHall(int hall_id) = 0;
+  virtual std::vector<Hall> getAllHalls() = 0;
+
+  // Session operations
+  virtual bool addSession(const NewSession &session) = 0;
+  virtual bool removeSession(int session_id) = 0;
+  virtual bool updateSession(const Session &session) = 0;
+  virtual Session getSession(int session_id) = 0;
+  virtual std::vector<Session> getAllSessions() = 0;
+
+  // Ticket operations
+  virtual bool addTicket(const NewTicket &ticket) = 0;
+  virtual bool removeTicket(int ticket_id) = 0;
+  virtual bool updateTicket(const Ticket &ticket) = 0;
+  virtual Ticket getTicket(int ticket_id) = 0;
+  virtual std::vector<Ticket> getAllTickets() = 0;
+
+  // Refund operations
+  virtual bool addRefund(const NewRefund &refund) = 0;
+  virtual bool removeRefund(int refund_id) = 0;
+  virtual bool updateRefund(const Refund &refund) = 0;
+  virtual Refund getRefund(int refund_id) = 0;
+  virtual std::vector<Refund> getAllRefunds() = 0;
+};
+
+#endif // DATABASE_INTERFACE_H