libkiwix/include/library.h

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/*
* Copyright 2011 Emmanuel Engelhart <kelson@kiwix.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
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#ifndef KIWIX_LIBRARY_H
#define KIWIX_LIBRARY_H
#include <string>
#include <vector>
#include <map>
#define KIWIX_LIBRARY_VERSION "20110515"
namespace kiwix
{
class Book;
class OPDSDumper;
enum supportedListSortBy { UNSORTED, TITLE, SIZE, DATE, CREATOR, PUBLISHER };
enum supportedListMode { ALL, REMOTE, LOCAL };
/**
* A Library store several books.
*/
class Library
{
std::map<std::string, kiwix::Book> books;
public:
Library();
~Library();
std::string version;
/**
* Add a book to the library.
*
* If a book already exist in the library with the same id, update
* the existing book instead of adding a new one.
*
* @param book The book to add.
* @return True if the book has been added.
* False if a book has been updated.
*/
bool addBook(const Book& book);
Book& getBookById(const std::string& id);
/**
* Remove a book from the library.
*
* @param id the id of the book to remove.
* @return True if the book were in the lirbrary and has been removed.
*/
bool removeBookById(const std::string& id);
/**
* Write the library to a file.
*
* @param path the path of the file to write to.
* @return True if the library has been correctly save.
*/
bool writeToFile(const std::string& path);
/**
* Get the number of book in the library.
*
* @param localBooks If we must count local books (books with a path).
* @param remoteBooks If we must count remote books (books with an url)
* @return The number of books.
*/
unsigned int getBookCount(const bool localBooks, const bool remoteBooks);
/**
* Get all langagues of the books in the library.
*
* @return A list of languages.
*/
std::vector<std::string> getBooksLanguages();
/**
* Get all book creators of the books in the library.
*
* @return A list of book creators.
*/
std::vector<std::string> getBooksCreators();
/**
* Get all book publishers of the books in the library.
*
* @return A list of book publishers.
*/
std::vector<std::string> getBooksPublishers();
/**
* Get all book ids of the books in the library.
*
* @return A list of book ids.
*/
std::vector<std::string> getBooksIds();
/**
* Filter the library and generate a new one with the keep elements.
*
* This is equivalent to `listBookIds(ALL, UNSORTED, search)`.
*
* @param search List only books with search in the title or description.
* @return The list of bookIds corresponding to the query.
*/
std::vector<std::string> filter(const std::string& search);
/**
* List books in the library.
*
* @param mode The mode of listing :
* - ALL list all books.
* (LOCAL and REMOTE. Other filters are applied).
* - LOCAL list only local books.
* - REMOTE list only remote books.
* @param sortBy Attribute to sort by the book list.
* @param search List only books with search in the title, description.
* @param language List only books in this language.
* @param creator List only books of this creator.
* @param publisher List only books of this publisher.
* @param maxSize Do not list book bigger than maxSize.
* Set to 0 to cancel this filter.
* @return The list of bookIds corresponding to the query.
*/
std::vector<std::string> listBooksIds(
supportedListMode = ALL,
supportedListSortBy sortBy = UNSORTED,
const std::string& search = "",
const std::string& language = "",
const std::string& creator = "",
const std::string& publisher = "",
size_t maxSize = 0);
friend class OPDSDumper;
};
}
#endif