item.hpp

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/*
 
    This file is part of Kitlist, a program to maintain a simple list
    of items and assign items to one or more categories.
 
    Copyright (C) 2008-2025 Frank Dean
 
    Kitlist 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.
 
    Kitlist 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 Kitlist.  If not, see <http://www.gnu.org/licenses/>.
 
*/
#ifndef ITEM_HPP
#define ITEM_HPP
 
#include <cassert>
#include <cstdint>
// #include <iostream>
#include <map>
#include <memory>
#include <string>
#include <vector>
 
class Category;

class Item {
 
  friend class KitParser;
  friend class Model;
 
public:
  Item() : name(), checked(true), categories(), category_map(), id() {}

  std::string name;

  bool checked;

  int32_t get_id() const {
    return id;
  }

  const std::string get_name() const {
    return name;
  }

  bool is_checked() const {
    return checked;
  }

  inline friend bool operator< (Item& lhs, Item& rhs) {
    return (lhs.name == rhs.name) ? lhs.id < rhs.id : lhs.name < rhs.name;
  }

  inline friend bool operator< (std::shared_ptr<Item> lhs, std::shared_ptr<Item> rhs) {
    return *lhs < *rhs;
  }
 
protected:

  Item(int32_t id,
       std::string name,
       bool checked) : name(name), checked(checked), categories(), category_map(), id(id) {
  }

  void set_checked(bool state) {
    checked = state;
  }

  void set_name(const std::string& name) {
    this->name = name;
  }
 
private:
  std::vector<std::weak_ptr<Category>> categories;

  std::map<int32_t, std::weak_ptr<Category>> category_map;

  int32_t id;
 
};
 
#endif // ITEM_HPP