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-rw-r--r--fbreader/src/library/Library.cpp439
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diff --git a/fbreader/src/library/Library.cpp b/fbreader/src/library/Library.cpp
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--- a/fbreader/src/library/Library.cpp
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-/*
- * Copyright (C) 2004-2012 Geometer Plus <contact@geometerplus.com>
- *
- * 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 2 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, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- */
-
-#include <queue>
-#include <algorithm>
-
-#include <ZLibrary.h>
-#include <ZLStringUtil.h>
-#include <ZLFile.h>
-#include <ZLDir.h>
-#include <ZLDialogManager.h>
-
-#include "Library.h"
-#include "Book.h"
-#include "Author.h"
-#include "Tag.h"
-
-#include "../formats/FormatPlugin.h"
-
-#include "../database/booksdb/BooksDBUtil.h"
-#include "../database/booksdb/BooksDB.h"
-
-shared_ptr<Library> Library::ourInstance;
-const std::size_t Library::MaxRecentListSize = 10;
-
-Library &Library::Instance() {
- if (ourInstance.isNull()) {
- ourInstance = new Library();
- }
- return *ourInstance;
-}
-
-static const std::string OPTIONS = "Options";
-
-Library::Library() :
- PathOption(ZLCategoryKey::CONFIG, OPTIONS, "BookPath", ""),
- ScanSubdirsOption(ZLCategoryKey::CONFIG, OPTIONS, "ScanSubdirs", true),
- CollectAllBooksOption(ZLCategoryKey::CONFIG, OPTIONS, "CollectAllBooks", false),
- myBuildMode(BUILD_ALL),
- myRevision(0) {
- BooksDBUtil::getRecentBooks(myRecentBooks);
-}
-
-void Library::collectBookFileNames(std::set<std::string> &bookFileNames) const {
- std::set<std::string> dirs;
- collectDirNames(dirs);
-
- while (!dirs.empty()) {
- std::string dirname = *dirs.begin();
- dirs.erase(dirs.begin());
-
- ZLFile dirfile(dirname);
- std::vector<std::string> files;
- bool inZip = false;
-
- shared_ptr<ZLDir> dir = dirfile.directory();
- if (dir.isNull()) {
- continue;
- }
-
- if (dirfile.isArchive()) {
- ZLFile phys(dirfile.physicalFilePath());
- if (!BooksDBUtil::checkInfo(phys)) {
- BooksDBUtil::resetZipInfo(phys);
- BooksDBUtil::saveInfo(phys);
- }
- BooksDBUtil::listZipEntries(dirfile, files);
- inZip = true;
- } else {
- dir->collectFiles(files, true);
- }
- if (!files.empty()) {
- const bool collectBookWithoutMetaInfo = CollectAllBooksOption.value();
- for (std::vector<std::string>::const_iterator jt = files.begin(); jt != files.end(); ++jt) {
- const std::string fileName = (inZip) ? (*jt) : (dir->itemPath(*jt));
- ZLFile file(fileName);
- if (PluginCollection::Instance().plugin(file, !collectBookWithoutMetaInfo) != 0) {
- bookFileNames.insert(fileName);
- } else if (file.isArchive()) {
- if (myScanSubdirs || !inZip) {
- dirs.insert(fileName);
- }
- }
- }
- }
- }
-}
-
-void Library::rebuildBookSet() const {
- myBooks.clear();
- myExternalBooks.clear();
-
- std::map<std::string, shared_ptr<Book> > booksMap;
- BooksDBUtil::getBooks(booksMap);
-
- std::set<std::string> fileNamesSet;
- collectBookFileNames(fileNamesSet);
-
- // collect books from book path
- for (std::set<std::string>::iterator it = fileNamesSet.begin(); it != fileNamesSet.end(); ++it) {
- std::map<std::string, shared_ptr<Book> >::iterator jt = booksMap.find(*it);
- if (jt == booksMap.end()) {
- insertIntoBookSet(BooksDBUtil::getBook(*it));
- } else {
- insertIntoBookSet(jt->second);
- booksMap.erase(jt);
- }
- }
-
- // other books from our database
- for (std::map<std::string, shared_ptr<Book> >::iterator jt = booksMap.begin(); jt != booksMap.end(); ++jt) {
- shared_ptr<Book> book = jt->second;
- if (!book.isNull()) {
- if (BooksDB::Instance().checkBookList(*book)) {
- insertIntoBookSet(book);
- myExternalBooks.insert(book);
- }
- }
- }
-}
-
-std::size_t Library::revision() const {
- if (myBuildMode == BUILD_NOTHING &&
- (myScanSubdirs != ScanSubdirsOption.value() ||
- myPath != PathOption.value())) {
- myPath = PathOption.value();
- myScanSubdirs = ScanSubdirsOption.value();
- myBuildMode = BUILD_ALL;
- }
-
- return (myBuildMode == BUILD_NOTHING) ? myRevision : myRevision + 1;
-}
-
-class LibrarySynchronizer : public DBRunnable {
-
-public:
- LibrarySynchronizer(Library::BuildMode mode) : myBuildMode(mode) { }
-
-private:
- bool run() {
- Library &library = Library::Instance();
-
- if (myBuildMode & Library::BUILD_COLLECT_FILES_INFO) {
- library.rebuildBookSet();
- }
-
- if (myBuildMode & Library::BUILD_UPDATE_BOOKS_INFO) {
- library.rebuildMaps();
- }
- return true;
- }
-
-private:
- const Library::BuildMode myBuildMode;
-};
-
-class LibrarySynchronizerWrapper : public ZLRunnable {
-
-public:
- LibrarySynchronizerWrapper(Library::BuildMode mode) : myRunnable(mode) { }
-
-private:
- void run() {
- BooksDB::Instance().executeAsTransaction(myRunnable);
- }
-
-private:
- LibrarySynchronizer myRunnable;
-};
-
-void Library::synchronize() const {
- if (myScanSubdirs != ScanSubdirsOption.value() ||
- myPath != PathOption.value()) {
- myPath = PathOption.value();
- myScanSubdirs = ScanSubdirsOption.value();
- myBuildMode = BUILD_ALL;
- }
-
- if (myBuildMode == BUILD_NOTHING) {
- return;
- }
-
- LibrarySynchronizerWrapper synchronizer(myBuildMode);
- myBuildMode = BUILD_NOTHING;
- ZLDialogManager::Instance().wait(ZLResourceKey("loadingBookList"), synchronizer);
-
- ++myRevision;
-}
-
-void Library::rebuildMaps() const {
- myAuthors.clear();
- myBooksByAuthor.clear();
- myTags.clear();
- myBooksByTag.clear();
-
- for (BookSet::const_iterator it = myBooks.begin(); it != myBooks.end(); ++it) {
- if ((*it).isNull()) {
- continue;
- }
-
- const AuthorList &bookAuthors = (*it)->authors();
- if (bookAuthors.empty()) {
- myBooksByAuthor[0].push_back(*it);
- } else {
- for(AuthorList::const_iterator jt = bookAuthors.begin(); jt != bookAuthors.end(); ++jt) {
- myBooksByAuthor[*jt].push_back(*it);
- }
- }
-
- const TagList &bookTags = (*it)->tags();
- if (bookTags.empty()) {
- myBooksByTag[0].push_back(*it);
- } else {
- for(TagList::const_iterator kt = bookTags.begin(); kt != bookTags.end(); ++kt) {
- myBooksByTag[*kt].push_back(*it);
- }
- }
- }
- for (BooksByAuthor::iterator mit = myBooksByAuthor.begin(); mit != myBooksByAuthor.end(); ++mit) {
- myAuthors.push_back(mit->first);
- std::sort(mit->second.begin(), mit->second.end(), BookComparator());
- }
- for (BooksByTag::iterator mjt = myBooksByTag.begin(); mjt != myBooksByTag.end(); ++mjt) {
- myTags.push_back(mjt->first);
- std::sort(mjt->second.begin(), mjt->second.end(), BookComparator());
- }
-}
-
-void Library::collectDirNames(std::set<std::string> &nameSet) const {
- std::queue<std::string> nameQueue;
-
- std::string path = myPath;
- int pos = path.find(ZLibrary::PathDelimiter);
- while (pos != -1) {
- nameQueue.push(path.substr(0, pos));
- path.erase(0, pos + 1);
- pos = path.find(ZLibrary::PathDelimiter);
- }
- if (!path.empty()) {
- nameQueue.push(path);
- }
-
- std::set<std::string> resolvedNameSet;
- while (!nameQueue.empty()) {
- std::string name = nameQueue.front();
- nameQueue.pop();
- ZLFile f(name);
- const std::string resolvedName = f.resolvedPath();
- if (resolvedNameSet.find(resolvedName) == resolvedNameSet.end()) {
- if (myScanSubdirs) {
- shared_ptr<ZLDir> dir = f.directory();
- if (!dir.isNull()) {
- std::vector<std::string> subdirs;
- dir->collectSubDirs(subdirs, true);
- for (std::vector<std::string>::const_iterator it = subdirs.begin(); it != subdirs.end(); ++it) {
- nameQueue.push(dir->itemPath(*it));
- }
- }
- }
- resolvedNameSet.insert(resolvedName);
- nameSet.insert(name);
- }
- }
-}
-
-void Library::updateBook(shared_ptr<Book> book) {
- BooksDB::Instance().saveBook(book);
- myBuildMode = (BuildMode)(myBuildMode | BUILD_UPDATE_BOOKS_INFO);
-}
-
-void Library::addBook(shared_ptr<Book> book) {
- if (!book.isNull()) {
- BooksDB::Instance().saveBook(book);
- insertIntoBookSet(book);
- myBuildMode = (BuildMode)(myBuildMode | BUILD_UPDATE_BOOKS_INFO);
- }
-}
-
-void Library::removeBook(shared_ptr<Book> book) {
- if (!book.isNull()) {
- BookSet::iterator it = myBooks.find(book);
- if (it != myBooks.end()) {
- myBooks.erase(it);
- myBuildMode = (BuildMode)(myBuildMode | BUILD_UPDATE_BOOKS_INFO);
- }
- BooksDB::Instance().deleteFromBookList(*book);
- bool recentListChanged = false;
- for (BookList::iterator it = myRecentBooks.begin(); it != myRecentBooks.end();) {
- if ((*it)->file() == book->file()) {
- it = myRecentBooks.erase(it);
- recentListChanged = true;
- } else {
- ++it;
- }
- }
- if (recentListChanged) {
- BooksDB::Instance().saveRecentBooks(myRecentBooks);
- }
- }
-}
-
-const AuthorList &Library::authors() const {
- synchronize();
- return myAuthors;
-}
-
-const TagList &Library::tags() const {
- synchronize();
- return myTags;
-}
-
-const BookList &Library::books(shared_ptr<Author> author) const {
- synchronize();
- return myBooksByAuthor[author];
-}
-
-const BookList &Library::books(shared_ptr<Tag> tag) const {
- synchronize();
- return myBooksByTag[tag];
-}
-
-void Library::collectSeriesTitles(shared_ptr<Author> author, std::set<std::string> &titles) const {
- const BookList &bookList = books(author);
- for (BookList::const_iterator it = bookList.begin(); it != bookList.end(); ++it) {
- const std::string &current = (*it)->seriesTitle();
- if (!current.empty()) {
- titles.insert(current);
- }
- }
-}
-
-void Library::removeTag(shared_ptr<Tag> tag, bool includeSubTags) {
- for (BookSet::const_iterator it = myBooks.begin(); it != myBooks.end(); ++it) {
- if ((*it)->removeTag(tag, includeSubTags)) {
- BooksDB::Instance().saveTags(*it);
- }
- }
- myBuildMode = (BuildMode)(myBuildMode | BUILD_UPDATE_BOOKS_INFO);
-}
-
-void Library::renameTag(shared_ptr<Tag> from, shared_ptr<Tag> to, bool includeSubTags) {
- if (to != from) {
- synchronize();
- for (BookSet::const_iterator it = myBooks.begin(); it != myBooks.end(); ++it) {
- BooksDBUtil::renameTag(*it, from, to, includeSubTags);
- }
- }
- myBuildMode = (BuildMode)(myBuildMode | BUILD_UPDATE_BOOKS_INFO);
-}
-
-void Library::cloneTag(shared_ptr<Tag> from, shared_ptr<Tag> to, bool includeSubTags) {
- if (to != from) {
- synchronize();
- for (BookSet::const_iterator it = myBooks.begin(); it != myBooks.end(); ++it) {
- BooksDBUtil::cloneTag(*it, from, to, includeSubTags);
- }
- }
- myBuildMode = (BuildMode)(myBuildMode | BUILD_UPDATE_BOOKS_INFO);
-}
-
-bool Library::hasBooks(shared_ptr<Tag> tag) const {
- synchronize();
- const BooksByTag::const_iterator it = myBooksByTag.find(tag);
- return it != myBooksByTag.end() && !it->second.empty();
-}
-
-bool Library::hasSubtags(shared_ptr<Tag> tag) const {
- const TagList &tagList = tags();
- const TagList::const_iterator it =
- std::upper_bound(tagList.begin(), tagList.end(), tag, TagComparator());
- return it != tagList.end() && tag->isAncestorOf(*it);
-}
-
-void Library::replaceAuthor(shared_ptr<Author> from, shared_ptr<Author> to) {
- if (to != from) {
- for (BookSet::const_iterator it = myBooks.begin(); it != myBooks.end(); ++it) {
- if ((*it)->replaceAuthor(from, to)) {
- BooksDB::Instance().saveAuthors(*it);
- }
- }
- myBuildMode = (BuildMode)(myBuildMode | BUILD_UPDATE_BOOKS_INFO);
- }
-}
-
-Library::RemoveType Library::canRemove(shared_ptr<Book> book) const {
- synchronize();
- return (RemoveType)(
- (myExternalBooks.find(book) != myExternalBooks.end() ?
- REMOVE_FROM_LIBRARY : REMOVE_DONT_REMOVE) |
- (BooksDBUtil::canRemoveFile(book->file().path()) ?
- REMOVE_FROM_DISK : REMOVE_DONT_REMOVE)
- );
-}
-
-void Library::insertIntoBookSet(shared_ptr<Book> book) const {
- if (!book.isNull()) {
- myBooks.insert(book);
- }
-}
-
-const BookList &Library::recentBooks() const {
- return myRecentBooks;
-}
-
-void Library::addBookToRecentList(shared_ptr<Book> book) {
- if (book.isNull()) {
- return;
- }
- for (BookList::iterator it = myRecentBooks.begin(); it != myRecentBooks.end(); ++it) {
- if ((*it)->file() == book->file()) {
- if (it == myRecentBooks.begin()) {
- return;
- }
- myRecentBooks.erase(it);
- break;
- }
- }
- myRecentBooks.insert(myRecentBooks.begin(), book);
- if (myRecentBooks.size() > MaxRecentListSize) {
- myRecentBooks.erase(myRecentBooks.begin() + MaxRecentListSize, myRecentBooks.end());
- }
- BooksDB::Instance().saveRecentBooks(myRecentBooks);
-}
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