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/*
* Copyright (C) 2009-2012 Geometer Plus <[email protected]>
*
* 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 <cstdlib>
#include <ZLStringUtil.h>
#include <ZLUnicodeUtil.h>
#include <ZLNetworkManager.h>
#include <ZLibrary.h>
#include <ZLDir.h>
#include <ZLFile.h>
#include <ZLTime.h>
#include "LitResGenresParser.h"
#include "LitResGenre.h"
#include "LitResUtil.h"
static const std::string GENRES_CACHE_PREFIX = "litres_genres_";
static const std::string GENRES_CACHE_SUFFIX = ".xml";
LitResGenre::LitResGenre() {
}
LitResGenre::LitResGenre(const std::string &id, const std::string &title) : Id(id), Title(title) {
}
LitResGenreMap *LitResGenreMap::ourInstance = 0;
const LitResGenreMap &LitResGenreMap::Instance() {
if (ourInstance == 0) {
ourInstance = new LitResGenreMap();
}
return *ourInstance;
}
LitResGenreMap::LitResGenreMap() : myInitialized(false) {
}
void LitResGenreMap::validateGenres() const {
if (!myInitialized) {
if (loadGenres()) {
buildGenresTitles(myGenresTree);
myInitialized = true;
}
}
}
const std::map<std::string, shared_ptr<LitResGenre> > &LitResGenreMap::genresMap() const {
validateGenres();
return myGenresMap;
}
const std::vector<shared_ptr<LitResGenre> > &LitResGenreMap::genresTree() const {
validateGenres();
return myGenresTree;
}
const std::map<shared_ptr<LitResGenre>, std::string> &LitResGenreMap::genresTitles() const {
validateGenres();
return myGenresTitles;
}
void LitResGenreMap::fillGenreIds(const std::string &tag, std::vector<std::string> &ids) const {
std::vector<std::string> words;
int index = 0;
const std::map<shared_ptr<LitResGenre>, std::string> map = genresTitles();
do {
int index2 = tag.find(' ', index);
std::string word = tag.substr(index, index2 - index);
ZLUnicodeUtil::utf8Trim(word);
if (!word.empty()) {
words.push_back(ZLUnicodeUtil::toLower(word));
}
index = index2 + 1;
} while (index != 0);
for (std::map<shared_ptr<LitResGenre>, std::string>::const_iterator it = map.begin(); it != map.end(); ++it) {
const LitResGenre &genre = *it->first;
std::string title = ZLUnicodeUtil::toLower(it->second);
bool containsAll = true;
for (std::vector<std::string>::const_iterator jt = words.begin(); jt != words.end(); ++jt) {
if (title.find(*jt) == std::string::npos) {
containsAll = false;
break;
}
}
if (containsAll) {
ids.push_back(genre.Id);
}
}
}
bool LitResGenreMap::loadGenres() const {
static const std::string directoryPath = ZLNetworkManager::CacheDirectory();
static shared_ptr<ZLDir> dir = ZLFile(directoryPath).directory(true);
const std::string url = LitResUtil::url("pages/catalit_genres/");
myGenresTree.clear();
myGenresMap.clear();
myGenresTitles.clear();
if (dir.isNull()) {
shared_ptr<ZLNetworkRequest> networkData = ZLNetworkManager::Instance().createXMLParserRequest(
url,
new LitResGenresParser(myGenresTree, myGenresMap)
);
const std::string error = ZLNetworkManager::Instance().perform(networkData);
if (!error.empty()) {
myGenresTree.clear();
myGenresMap.clear();
myGenresTitles.clear();
return false;
}
return true;
}
std::string cacheName;
bool cacheValid = false;
std::vector<std::string> files;
dir->collectFiles(files, false);
for (std::vector<std::string>::const_iterator it = files.begin(); it != files.end(); ++it) {
const std::string &name = *it;
if (ZLStringUtil::stringStartsWith(name, GENRES_CACHE_PREFIX)) {
cacheName = name;
}
}
files.clear();
ZLTime now;
if (!cacheName.empty()) {
std::string cacheDate = cacheName.substr(GENRES_CACHE_PREFIX.size(), 8);
int cacheYear = std::atoi(cacheDate.substr(0, 4).c_str());
int cacheMonth = std::atoi(cacheDate.substr(4, 2).c_str());
int cacheDay = std::atoi(cacheDate.substr(6, 2).c_str());
int daysDiff = (now.year() - cacheYear) * 365 + (now.month() - cacheMonth) * 31 + (now.dayOfMonth() - cacheDay);
if (daysDiff < 30) {
cacheValid = true;
}
cacheName = dir->itemPath(cacheName);
}
if (!cacheValid) {
std::string yearStr, monthStr, dayStr;
ZLStringUtil::appendNumber(yearStr, now.year());
ZLStringUtil::appendNumber(monthStr, now.month());
ZLStringUtil::appendNumber(dayStr, now.dayOfMonth());
while (monthStr.size() < 2) {
monthStr = "0" + monthStr;
}
while (dayStr.size() < 2) {
dayStr = "0" + dayStr;
}
const std::string fileName = dir->path() + ZLibrary::FileNameDelimiter +
GENRES_CACHE_PREFIX + yearStr + monthStr + dayStr + GENRES_CACHE_SUFFIX;
const std::string error = ZLNetworkManager::Instance().downloadFile(url, fileName);
if (!error.empty()) {
ZLFile(fileName).remove();
} else {
ZLFile(cacheName).remove();
cacheName = fileName;
}
}
if (cacheName.empty()) {
return false;
}
shared_ptr<ZLXMLReader> parser = new LitResGenresParser(myGenresTree, myGenresMap);
return parser->readDocument(ZLFile(cacheName));
}
void LitResGenreMap::buildGenresTitles(const std::vector<shared_ptr<LitResGenre> > &genres, const std::string &titlePrefix) const {
for (std::vector<shared_ptr<LitResGenre> >::const_iterator it = genres.begin(); it != genres.end(); ++it) {
shared_ptr<LitResGenre> genre = *it;
std::string title = titlePrefix.empty() ? (genre->Title) : (titlePrefix + "/" + genre->Title);
if (genre->Id.empty()) {
buildGenresTitles(genre->Children, title);
} else {
myGenresTitles[genre] = title;
}
}
}
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