ukui-search/libsearch/index/search-manager.cpp

481 lines
17 KiB
C++

/*
* Copyright (C) 2020, KylinSoft Co., Ltd.
*
* 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
* (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, see <https://www.gnu.org/licenses/>.
*
* Authors: zhangpengfei <zhangpengfei@kylinos.cn>
*
*/
#include "search-manager.h"
using namespace Zeeker;
size_t SearchManager::uniqueSymbol1 = 0;
size_t SearchManager::uniqueSymbol2 = 0;
size_t SearchManager::uniqueSymbol3 = 0;
QMutex SearchManager::m_mutex1;
QMutex SearchManager::m_mutex2;
QMutex SearchManager::m_mutex3;
SearchManager::SearchManager(QObject *parent) : QObject(parent) {
m_pool.setMaxThreadCount(3);
m_pool.setExpiryTimeout(1000);
}
SearchManager::~SearchManager() {
}
int SearchManager::getCurrentIndexCount() {
try {
Xapian::Database db(INDEX_PATH);
return db.get_doccount();
} catch(const Xapian::Error &e) {
qWarning() << QString::fromStdString(e.get_description());
return 0;
}
}
void SearchManager::onKeywordSearch(QString keyword, QQueue<QString> *searchResultFile, QQueue<QString> *searchResultDir,
QQueue<QPair<QString, QStringList>> *searchResultContent) {
m_mutex1.lock();
++uniqueSymbol1;
m_mutex1.unlock();
m_mutex2.lock();
++uniqueSymbol2;
m_mutex2.unlock();
m_mutex3.lock();
++uniqueSymbol3;
m_mutex3.unlock();
// if(FileUtils::SearchMethod::DIRECTSEARCH == FileUtils::searchMethod) {
// DirectSearch *directSearch;
// directSearch = new DirectSearch(keyword, searchResultFile, searchResultDir, uniqueSymbol1);
// m_pool.start(directSearch);
// } else if(FileUtils::SearchMethod::INDEXSEARCH == FileUtils::searchMethod) {
// FileSearch *filesearch;
// filesearch = new FileSearch(searchResultFile, uniqueSymbol1, keyword, "0", 1, 0, 5);
// m_pool.start(filesearch);
// FileSearch *dirsearch;
// dirsearch = new FileSearch(searchResultDir, uniqueSymbol2, keyword, "1", 1, 0, 5);
// m_pool.start(dirsearch);
// FileContentSearch *contentSearch;
// contentSearch = new FileContentSearch(searchResultContent, uniqueSymbol3, keyword, 0, 5);
// m_pool.start(contentSearch);
// } else {
// qWarning() << "Unknown search method! FileUtils::searchMethod: " << static_cast<int>(FileUtils::searchMethod);
// }
return;
}
bool SearchManager::isBlocked(QString &path) {
QStringList blockList = GlobalSettings::getInstance()->getBlockDirs();
for(QString i : blockList) {
if(FileUtils::isOrUnder(path, i))
return true;
}
return false;
}
bool SearchManager::creatResultInfo(SearchPluginIface::ResultInfo &ri, QString path)
{
QFileInfo info(path);
if(!info.exists()) {
return false;
}
ri.icon = FileUtils::getFileIcon(QUrl::fromLocalFile(path).toString());
ri.name = info.fileName();
ri.description = QVector<SearchPluginIface::DescriptionInfo>() \
<< SearchPluginIface::DescriptionInfo{tr("Path:"), path} \
<< SearchPluginIface::DescriptionInfo{tr("Modified time:"), info.lastModified().toString("yyyy/MM/dd hh:mm:ss")};
ri.actionKey = path;
ri.type = 0;
return true;
}
FileSearch::FileSearch(DataQueue<SearchPluginIface::ResultInfo> *searchResult, size_t uniqueSymbol, QString keyword, QString value, unsigned slot, int begin, int num) {
this->setAutoDelete(true);
m_search_result = searchResult;
m_uniqueSymbol = uniqueSymbol;
m_keyword = keyword;
m_value = value;
m_slot = slot;
m_begin = begin;
m_num = num;
}
FileSearch::~FileSearch() {
m_search_result = nullptr;
}
void FileSearch::run() {
if(!m_search_result->isEmpty()) {
m_search_result->clear();
}
int resultCount = 0;
int total = 0;
while(total < 100) {
resultCount = keywordSearchfile();
if(resultCount == 0 || resultCount == -1)
break;
total += resultCount;
m_begin += m_num;
}
return;
}
int FileSearch::keywordSearchfile() {
try {
qDebug() << "--keywordSearchfile start--";
Xapian::Database db(INDEX_PATH);
Xapian::Query query = creatQueryForFileSearch(db);
Xapian::Enquire enquire(db);
Xapian::Query queryFile;
if(!m_value.isEmpty()) {
std::string slotValue = m_value.toStdString();
Xapian::Query queryValue = Xapian::Query(Xapian::Query::OP_VALUE_RANGE, m_slot, slotValue, slotValue);
queryFile = Xapian::Query(Xapian::Query::OP_AND, query, queryValue);
} else {
queryFile = query;
}
qDebug() << "keywordSearchfile:" << QString::fromStdString(queryFile.get_description());
enquire.set_query(queryFile);
Xapian::MSet result = enquire.get_mset(m_begin, m_num);
int resultCount = result.size();
qDebug() << "keywordSearchfile results count=" << resultCount;
if(resultCount == 0)
return 0;
if(getResult(result) == -1)
return -1;
qDebug() << "--keywordSearchfile finish--";
return resultCount;
} catch(const Xapian::Error &e) {
qWarning() << QString::fromStdString(e.get_description());
qDebug() << "--keywordSearchfile finish--";
return -1;
}
}
Xapian::Query FileSearch::creatQueryForFileSearch(Xapian::Database &db) {
auto userInput = m_keyword.toLower();
std::vector<Xapian::Query> v;
for(int i = 0; i < userInput.size(); i++) {
v.push_back(Xapian::Query(QUrl::toPercentEncoding(userInput.at(i)).toStdString()));
// qDebug()<<QString::fromStdString(Xapian::Query(QString(userInput.at(i)).toStdString()).get_description());
}
Xapian::Query queryPhrase = Xapian::Query(Xapian::Query::OP_PHRASE, v.begin(), v.end());
return queryPhrase;
}
int FileSearch::getResult(Xapian::MSet &result) {
for(auto it = result.begin(); it != result.end(); ++it) {
Xapian::Document doc = it.get_document();
std::string data = doc.get_data();
Xapian::weight docScoreWeight = it.get_weight();
Xapian::percent docScorePercent = it.get_percent();
QString path = QString::fromStdString(data);
std::string().swap(data);
if(SearchManager::isBlocked(path)) {
continue;
}
SearchPluginIface::ResultInfo ri;
if(SearchManager::creatResultInfo(ri, path)) {
switch(m_value.toInt()) {
case 1:
SearchManager::m_mutex1.lock();
if(m_uniqueSymbol == SearchManager::uniqueSymbol2) {
m_search_result->enqueue(ri);
SearchManager::m_mutex1.unlock();
} else {
SearchManager::m_mutex1.unlock();
return -1;
}
break;
case 0:
SearchManager::m_mutex2.lock();
if(m_uniqueSymbol == SearchManager::uniqueSymbol1) {
m_search_result->enqueue(ri);
SearchManager::m_mutex2.unlock();
} else {
SearchManager::m_mutex2.unlock();
return -1;
}
break;
default:
break;
}
}
// searchResult.append(path);
qDebug() << "doc=" << path << ",weight=" << docScoreWeight << ",percent=" << docScorePercent;
}
// if(!pathTobeDelete->isEmpty())
// deleteAllIndex(pathTobeDelete)
return 0;
}
FileContentSearch::FileContentSearch(DataQueue<SearchPluginIface::ResultInfo> *searchResult, size_t uniqueSymbol, QString keyword, int begin, int num) {
this->setAutoDelete(true);
m_search_result = searchResult;
m_uniqueSymbol = uniqueSymbol;
m_keyword = keyword;
m_begin = begin;
m_num = num;
}
FileContentSearch::~FileContentSearch() {
m_search_result = nullptr;
}
void FileContentSearch::run() {
if(!m_search_result->isEmpty()) {
m_search_result->clear();
}
int resultCount = 0;
int total = 0;
while(total < 50) {
resultCount = keywordSearchContent();
if(resultCount == 0 || resultCount == -1) {
break;
}
total += resultCount;
m_begin += m_num;
}
return;
}
int FileContentSearch::keywordSearchContent() {
try {
qDebug() << "--keywordSearchContent search start--";
Xapian::Database db(CONTENT_INDEX_PATH);
Xapian::Enquire enquire(db);
Xapian::QueryParser qp;
qp.set_default_op(Xapian::Query::OP_AND);
qp.set_database(db);
/*
::friso::ResultMap ret;
::friso::FrisoSegmentation::getInstance()->callSegement(ret, keyword.toLocal8Bit().data());
for (::friso::ResultMap::iterator it_map = ret.begin(); it_map != ret.end(); ++it_map){
target_str += it_map->first;
target_str += " ";
it_map->second.first.clear();
::std::vector<size_t>().swap(it_map->second.first);
}
ret.clear();
ret.erase(ret.begin(), ret.end());
::friso::ResultMap().swap(ret);
*/
QVector<SKeyWord> sKeyWord = ChineseSegmentation::getInstance()->callSegement(m_keyword.toStdString());
//Creat a query
std::string words;
for(int i = 0; i < sKeyWord.size(); i++) {
words.append(sKeyWord.at(i).word).append(" ");
}
// Xapian::Query query = qp.parse_query(words);
std::vector<Xapian::Query> v;
for(int i=0; i<sKeyWord.size(); i++) {
v.push_back(Xapian::Query(sKeyWord.at(i).word));
qDebug() << QString::fromStdString(sKeyWord.at(i).word);
}
Xapian::Query query = Xapian::Query(Xapian::Query::OP_AND, v.begin(), v.end());
qDebug() << "keywordSearchContent:" << QString::fromStdString(query.get_description());
enquire.set_query(query);
Xapian::MSet result = enquire.get_mset(m_begin, m_num);
int resultCount = result.size();
if(result.size() == 0) {
return 0;
}
qDebug() << "keywordSearchContent results count=" << resultCount;
if(getResult(result, words) == -1) {
return -1;
}
qDebug() << "--keywordSearchContent search finish--";
return resultCount;
} catch(const Xapian::Error &e) {
qWarning() << QString::fromStdString(e.get_description());
qDebug() << "--keywordSearchContent search finish--";
return -1;
}
}
int FileContentSearch::getResult(Xapian::MSet &result, std::string &keyWord) {
for(auto it = result.begin(); it != result.end(); ++it) {
Xapian::Document doc = it.get_document();
std::string data = doc.get_data();
double docScoreWeight = it.get_weight();
Xapian::percent docScorePercent = it.get_percent();
QString path = QString::fromStdString(doc.get_value(1));
if(SearchManager::isBlocked(path)) {
continue;
}
SearchPluginIface::ResultInfo ri;
if(!SearchManager::creatResultInfo(ri, path)) {
continue;
}
// Construct snippets containing keyword.
// QStringList snippets;
// snippets.append(QString::fromStdString( result.snippet(doc.get_data(),400)));
// qWarning()<<QString::fromStdString(s);
auto term = doc.termlist_begin();
std::string wordTobeFound = QString::fromStdString(keyWord).section(" ", 0, 0).toStdString();
int size = wordTobeFound.length();
term.skip_to(wordTobeFound);
// int count = 0;
// for(auto pos = term.positionlist_begin(); pos != term.positionlist_end() && count < 6; ++pos) {
// std::string s = data.substr((*pos < 60) ? 0 : (*pos - 60), size + 120);
// QString snippet = QString::fromStdString(s);
// if(snippet.size() > 6 + QString::fromStdString(keyWord).size()) {
// snippet.replace(0, 3, "...").replace(snippet.size() - 3, 3, "...");
// } else {
// snippet.append("...").prepend("...");
// }
// ri.description.prepend(SearchPluginIface::DescriptionInfo{"",snippet});
//// snippets.append(snippet);
// QString().swap(snippet);
// std::string().swap(s);
// ++count;
// }
//fix me: make a snippet without cut cjk char.
auto pos = term.positionlist_begin();
QString snippet;
if(data.length() - *pos < 120) {
std::string s = data.substr((data.length() < 120) ? 0 : (data.length() - 120), 120);
snippet = QString::fromStdString(s);
} else {
std::string s = data.substr(*pos, 120);
snippet = QString::fromStdString(s);
}
ri.description.prepend(SearchPluginIface::DescriptionInfo{"",snippet});
QString().swap(snippet);
// std::string().swap(s);
std::string().swap(data);
// for(QString i : QString::fromStdString(keyWord).split(" ",QString::SkipEmptyParts))
// {
// std::string word = i.toStdString();
// term.skip_to(word);
// int size = word.size();
// auto pos = term.positionlist_begin();
// std::string s = data.substr((*pos < 60)? 0: (*pos - 60) , size + 120);
// QString snippet = QString::fromStdString(s);
// snippet.replace(0,3,"...").replace(snippet.size()-3,3,"...");
// snippets.append(snippet);
// std::string().swap(word);
// std::string().swap(s);
// QString().swap(snippet);
// }
SearchManager::m_mutex3.lock();
if(m_uniqueSymbol == SearchManager::uniqueSymbol3) {
m_search_result->enqueue(ri);
SearchManager::m_mutex3.unlock();
// snippets.clear();
// QStringList().swap(snippets);
} else {
SearchManager::m_mutex3.unlock();
return -1;
}
// searchResult.insert(path,snippets);
qDebug() << "path=" << path << ",weight=" << docScoreWeight << ",percent=" << docScorePercent;
}
// // if(!pathTobeDelete->isEmpty())
// // deleteAllIndex(pathTobeDelete)
return 0;
}
DirectSearch::DirectSearch(QString keyword, DataQueue<SearchPluginIface::ResultInfo> *searchResult, QString value, size_t uniqueSymbol) {
this->setAutoDelete(true);
m_keyword = keyword;
m_searchResult = searchResult;
m_uniqueSymbol = uniqueSymbol;
m_value = value;
}
void DirectSearch::run() {
QQueue<QString> bfs;
bfs.enqueue(QStandardPaths::writableLocation(QStandardPaths::HomeLocation));
QFileInfoList list;
QDir dir;
// QDir::Hidden
if(m_value == DIR_SEARCH_VALUE) {
dir.setFilter(QDir::Dirs | QDir::NoDotAndDotDot);
} else {
dir.setFilter(QDir::Dirs | QDir::Files | QDir::NoDotAndDotDot);
dir.setSorting(QDir::DirsFirst);
}
QStringList blockList = GlobalSettings::getInstance()->getBlockDirs();
while(!bfs.empty()) {
dir.setPath(bfs.dequeue());
list = dir.entryInfoList();
for (auto i : list) {
if (i.isDir() && (!(i.isSymLink()))) {
bool findIndex = false;
for (QString j : blockList) {
if (FileUtils::isOrUnder(i.absoluteFilePath(), j)) {
findIndex = true;
break;
}
}
if (findIndex == true) {
qDebug() << "path is blocked:" << i.absoluteFilePath();
continue;
}
bfs.enqueue(i.absoluteFilePath());
}
if(i.fileName().contains(m_keyword, Qt::CaseInsensitive)) {
// qWarning() << i.fileName() << m_keyword;
if(m_searchResult->length() > 49)
return;
if((i.isDir() && m_value == DIR_SEARCH_VALUE) || (i.isFile() && m_value == FILE_SEARCH_VALUE)) {
SearchPluginIface::ResultInfo ri;
if(SearchManager::creatResultInfo(ri,i.absoluteFilePath())) {
SearchManager::m_mutex1.lock();
if(m_uniqueSymbol == SearchManager::uniqueSymbol1) {
m_searchResult->enqueue(ri);
SearchManager::m_mutex1.unlock();
} else {
SearchManager::m_mutex1.unlock();
return;
}
}
}
}
}
}
}