menu-helper/src/db.hpp

100 lines
2.9 KiB
C++

/*
* Copyright (C) 2024 Nicolás Ortega Froysa <nicolas@ortegas.org>
* Nicolás Ortega Froysa <nicolas@ortegas.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <sqlite3.h>
#include <string>
#include <vector>
struct recipe {
int id;
std::string name;
std::string description;
};
class db {
private:
sqlite3 *sqlite_db;
int table_get_id_by_name(const std::string &table, const std::string &name);
public:
db() : sqlite_db(nullptr) {}
~db() {
sqlite3_close(sqlite_db);
}
void open(void);
void close(void);
/**
* @brief Add a new recipe to the database.
*
* @param name Name of the new recipe.
* @param description Short description.
*
* @return ID of newly created recipe.
*/
int add_recipe(const std::string &name, const std::string &description);
void del_recipe(const int id);
void del_recipes(const std::vector<int> &ids);
inline int get_recipe_id(const std::string &name) {
return table_get_id_by_name("recipes", name);
}
inline bool db_recipe_exists(const std::string &name) {
return (get_recipe_id(name) > 0);
}
bool recipe_exists(const int id);
struct recipe get_recipe(const int id);
std::vector<struct recipe> get_recipes(const std::vector<std::string> &ingredients,
const std::vector<std::string> &tags);
/**
* @brief Add a new ingredient to the database.
*
* @param name Name of the new ingredient.
*
* @return ID of newly created ingredient.
*/
int add_ingredient(const std::string &name);
std::vector<std::string> get_recipe_ingredients(const int id);
inline int get_ingredient_id(const std::string &name) {
return table_get_id_by_name("ingredients", name);
}
inline bool db_ingredient_exists(const std::string &name) {
return (get_ingredient_id(name) > 0);
}
/**
* @brief Add a new tag to the database.
*
* @param name Name of the new tag.
*
* @return ID of newly created tag, -1 if DB isn't open, -2 on other failure.
*/
int add_tag(const std::string &name);
std::vector<std::string> get_recipe_tags(const int id);
inline int get_tag_id(const std::string &name) {
return table_get_id_by_name("tags", name);
}
inline bool tag_exists(const std::string &name) {
return (get_tag_id(name) > 0);
}
void conn_recipe_ingredient(int recipe_id, int ingredient_id);
void conn_recipe_tag(int recipe_id, int tag_id);
};