105 lines
3.5 KiB
C++
105 lines
3.5 KiB
C++
/*
|
|
Copyright <2018-2025> <scott.e.graves@protonmail.com>
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
of this software and associated documentation files (the "Software"), to deal
|
|
in the Software without restriction, including without limitation the rights
|
|
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
copies of the Software, and to permit persons to whom the Software is
|
|
furnished to do so, subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included in all
|
|
copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
SOFTWARE.
|
|
*/
|
|
#ifndef MONITARR_INCLUDE_UTILS_DB_SQLITE_DB_SELECT_HPP_
|
|
#define MONITARR_INCLUDE_UTILS_DB_SQLITE_DB_SELECT_HPP_
|
|
#if defined(PROJECT_ENABLE_SQLITE)
|
|
|
|
#include "utils/db/sqlite/db_common.hpp"
|
|
|
|
#include "utils/db/sqlite/db_where_t.hpp"
|
|
|
|
namespace monitarr::utils::db::sqlite {
|
|
class db_select final {
|
|
public:
|
|
struct context final : db_context_t {
|
|
struct db_select_op_t final {
|
|
std::shared_ptr<context> ctx;
|
|
|
|
[[nodiscard]] auto dump() const -> std::string;
|
|
|
|
[[nodiscard]] auto go() const -> db_result;
|
|
|
|
[[nodiscard]] auto group_by(std::string column_name) -> db_select_op_t;
|
|
|
|
[[nodiscard]] auto limit(std::int32_t value) -> db_select_op_t;
|
|
|
|
[[nodiscard]] auto offset(std::int32_t value) -> db_select_op_t;
|
|
|
|
[[nodiscard]] auto order_by(std::string column_name, bool ascending)
|
|
-> db_select_op_t;
|
|
};
|
|
|
|
context(sqlite3 *db3_, std::string table_name_)
|
|
: db_context_t(db3_, table_name_) {}
|
|
|
|
using w_t = db_where_t<context, db_select_op_t>;
|
|
using wd_t = where_data_t<w_t>;
|
|
|
|
std::vector<std::string> columns;
|
|
std::map<std::string, std::string> count_columns;
|
|
|
|
std::vector<std::string> group_by;
|
|
std::optional<std::int32_t> limit;
|
|
std::optional<std::int32_t> offset;
|
|
std::optional<std::pair<std::string, bool>> order_by;
|
|
|
|
std::unique_ptr<wd_t> where_data;
|
|
};
|
|
|
|
public:
|
|
db_select(sqlite3 &db3, std::string table_name)
|
|
: ctx_(std::make_shared<context>(&db3, table_name)) {}
|
|
|
|
db_select(std::shared_ptr<context> ctx) : ctx_(std::move(ctx)) {}
|
|
|
|
private:
|
|
std::shared_ptr<context> ctx_;
|
|
|
|
public:
|
|
[[nodiscard]] auto column(std::string column_name) -> db_select;
|
|
|
|
[[nodiscard]] auto count(std::string column_name, std::string as_column_name)
|
|
-> db_select;
|
|
|
|
[[nodiscard]] auto dump() const -> std::string;
|
|
|
|
[[nodiscard]] auto go() const -> db_result;
|
|
|
|
[[nodiscard]] auto group_by(std::string column_name) -> db_select;
|
|
[[nodiscard]] auto group(context::w_t::group_func_t func)
|
|
|
|
-> context::w_t::wn_t;
|
|
|
|
[[nodiscard]] auto limit(std::int32_t value) -> db_select;
|
|
|
|
[[nodiscard]] auto offset(std::int32_t value) -> db_select;
|
|
|
|
[[nodiscard]] auto order_by(std::string column_name, bool ascending)
|
|
-> db_select;
|
|
|
|
[[nodiscard]] auto where(std::string column_name) const -> context::w_t::cn_t;
|
|
};
|
|
} // namespace monitarr::utils::db::sqlite
|
|
|
|
#endif // defined(PROJECT_ENABLE_SQLITE)
|
|
#endif // MONITARR_INCLUDE_UTILS_DB_SQLITE_DB_SELECT_HPP_
|