libkiwix/include/manager.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_MANAGER_H
#define KIWIX_MANAGER_H
#include <time.h>
#include <sstream>
#include <string>
#include <pugixml.hpp>
#include "common/base64.h"
#include "common/pathTools.h"
#include "common/regexTools.h"
#include "library.h"
#include "reader.h"
using namespace std;
namespace kiwix
{
enum supportedListMode { LASTOPEN, REMOTE, LOCAL };
enum supportedListSortBy { TITLE, SIZE, DATE, CREATOR, PUBLISHER };
/**
* A tool to manage a `Library`.
*
* A `Manager` handle a internal `Library`.
* This `Library` can be retrived with `cloneLibrary` method.
*/
class Manager
{
public:
Manager();
~Manager();
/**
* Read a `library.xml` and add book in the file to the library.
*
* @param path The path to the `library.xml`.
* @param readOnly Set if the libray path could be overwritten latter with
* updated content.
* @return True if file has been properly parsed.
*/
bool readFile(const string path, const bool readOnly = true);
/**
* Read a `library.xml` and add book in the file to the library.
*
* @param nativePath The path of the `library.xml`
* @param UTF8Path The utf8 version (?) of the path. Also the path where the
* library will be writen i readOnly is False.
* @param readOnly Set if the libray path could be overwritten latter with
* updated content.
* @return True if file has been properly parsed.
*/
bool readFile(const string nativePath,
const string UTF8Path,
const bool readOnly = true);
/**
* Load a library content store in the string.
*
* @param xml The content corresponding of the library xml
* @param readOnly Set if the libray path could be overwritten latter with
* updated content.
* @param libraryPath The library path (used to resolve relative path)
* @return True if the content has been properly parsed.
*/
bool readXml(const string xml,
const bool readOnly = true,
const string libraryPath = "");
/**
* Write the library to a file.
*
* @param path the path of the file to write.
* @return True.
*/
bool writeFile(const string path);
string write_OPDS_feed(const string& id, const string& title);
/**
* Remove a book from the library.
*
* @param bookIndex the index of the book to remove
* @return True
*/
bool removeBookByIndex(const unsigned int bookIndex);
/**
* Remove a book from the library.
*
* @param id the id of the book to remove.
* @return True if the book were in the library.
*/
bool removeBookById(const string id);
/**
* Set the current book.
*
* @param id The id to add to the stack of current books.
* If id is empty, remove the current book from the stack.
* @return True
*/
bool setCurrentBookId(const string id);
/**
* Get the current book id.
*
* @return The id of the current book (or empty string if no current book).
*/
string getCurrentBookId() const;
/**
* Set the path of the external fulltext index associated to a book.
*
* @param id The id of the book to set.
* @param path The path of the external fullext index.
* @param supportedIndexType The type of the fulltext index.
* @return True if the book is in the library.
*/
bool setBookIndex(const string id,
const string path,
const supportedIndexType type = XAPIAN);
/**
* Set the path of the zim file associated to a book.
*
* @param id The id of the book to set.
* @param path The path of the zim file.
* @return True if the book is in the library.
*/
bool setBookPath(const string id, const string path);
/**
* Add a book to the library.
*
* @param pathToOpen The path to the zim file to add.
* @param pathToSave The path to store in the library in place of pathToOpen.
* @param url The url of the book to store in the library.
* @param checMetaData Tell if we check metadata before adding book to the
* library.
* @return The id of the book if the book has been added to the library.
* Else, an empty string.
*/
string addBookFromPathAndGetId(const string pathToOpen,
const string pathToSave = "",
const string url = "",
const bool checkMetaData = false);
/**
* Add a book to the library.
*
* @param pathToOpen The path to the zim file to add.
* @param pathToSave The path to store in the library in place of pathToOpen.
* @param url The url of the book to store in the library.
* @param checMetaData Tell if we check metadata before adding book to the
* library.
* @return True if the book has been added to the library.
*/
bool addBookFromPath(const string pathToOpen,
const string pathToSave = "",
const string url = "",
const bool checkMetaData = false);
/**
* Clone and return the internal library.
*
* @return A clone of the library.
*/
Library cloneLibrary();
/**
* Get the book corresponding to an id.
*
* @param[in] id The id of the book
* @param[out] book The book corresponding to the id.
* @return True if the book has been found.
*/
bool getBookById(const string id, Book& book);
/**
* Get the current book.
*
* @param[out] The current book.
* @return True if there is a current book.
*/
bool getCurrentBook(Book& book);
/**
* 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);
/**
* Update the "last open date" of a book
*
* @param id the id of the book.
* @return True if the book is in the library.
*/
bool updateBookLastOpenDateById(const string id);
/**
* Remove (set to empty) paths of all books in the library.
*/
void removeBookPaths();
/**
* List books in the library.
*
* The books list will be available in public vector member `bookIdList`.
*
* @param mode The mode of listing :
* - LASTOPEN sort by last opened book.
* - LOCAL list only local file.
* - REMOTE list only remote file.
* @param sortBy Attribute to sort by the book list.
* @param maxSize Do not list book bigger than maxSize MiB.
* Set to 0 to cancel this filter.
* @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 search List only books with search in the title, description or
* language.
* @return True
*/
bool listBooks(const supportedListMode mode,
const supportedListSortBy sortBy,
const unsigned int maxSize,
const string language,
const string creator,
const string publisher,
const string search);
/**
* Get all langagues of the books in the library.
*
* @return A list of languages.
*/
vector<string> getBooksLanguages();
/**
* Get all book creators of the books in the library.
*
* @return A list of book creators.
*/
vector<string> getBooksCreators();
/**
* Get all book publishers of the books in the library.
*
* @return A list of book publishers.
*/
vector<string> getBooksPublishers();
/**
* Get all book ids of the books in the library.
*
* @return A list of book ids.
*/
vector<string> getBooksIds();
string writableLibraryPath;
vector<std::string> bookIdList;
protected:
kiwix::Library library;
bool readBookFromPath(const string path, Book* book = NULL);
bool parseXmlDom(const pugi::xml_document& doc,
const bool readOnly,
const string libraryPath);
private:
void checkAndCleanBookPaths(Book& book, const string& libraryPath);
};
}
#endif