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sqlite database with methods added

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rawalcher 2024-12-29 17:05:55 +01:00
parent 897310fe28
commit cbfc0b563c
3 changed files with 105 additions and 33 deletions
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31
includes/database_service.hpp
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@ -1,35 +1,36 @@
#ifndef DATABASE_SERVICE_HPP
#define DATABASE_SERVICE_HPP
#include <boost/asio/io_context.hpp>
#include <boost/system/detail/error_code.hpp>
#include <cstddef>
#include <boost/redis/connection.hpp>
#include <string>
#include <functional>
#include <memory>
#include <mutex>
#include <memory>
#include <vector>
#include <soci/soci.h>
#include <soci/sqlite3/soci-sqlite3.h>
class DatabaseService {
public:
static DatabaseService& getInstance(boost::asio::io_context& io_context, std::size_t pool_size);
void asyncSetKey(const std::string& key, const std::string& value, std::function<void(boost::system::error_code)> callback);
void asyncGetKey(const std::string& key, std::function<void(boost::system::error_code, std::string)> callback); //we could use a varient here for the result
static DatabaseService& getInstance(const std::string& db_path, std::size_t pool_size);
void shortenURL(const std::string& longURL, std::function<void(std::error_code, std::string)> callback);
void getLongURL(const std::string& shortCode, std::function<void(std::error_code, std::string)> callback);
private:
DatabaseService(boost::asio::io_context& io_context, std::size_t pool_size = 4);
private:
DatabaseService(const std::string& db_path, std::size_t pool_size = 4);
~DatabaseService();
DatabaseService(DatabaseService const&);
void operator=(DatabaseService const&);
std::shared_ptr<boost::redis::connection> getConnection();
std::shared_ptr<soci::session> getConnection();
std::string generateShortUUID();
boost::asio::io_context& io_context_;
std::string db_path_;
std::size_t pool_size_;
std::vector<std::shared_ptr<boost::redis::connection>> connection_pool_;
std::size_t current_index_ = 0; //index used for round robin selection
std::vector<std::shared_ptr<soci::session>> connection_pool_;
std::size_t current_index_ = 0; // Index used for round-robin selection
static DatabaseService* INSTANCE;
static std::mutex singleton_mutex;
};
#endif
#endif