2021-10-28 09:53:54 +02:00

78 lines
2.8 KiB
C++

/*******************************************************************************
* RetroShare full text indexing and search implementation based on Xapian *
* *
* Copyright (C) 2018-2019 Gioacchino Mazzurco <gio@eigenlab.org> *
* Copyright (C) 2019 Asociación Civil Altermundi <info@altermundi.net> *
* *
* This program is free software: you can redistribute it and/or modify *
* it under the terms of the GNU Affero General Public License version 3 as *
* published by the Free Software Foundation. *
* *
* 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 Affero General Public License for more details. *
* *
* You should have received a copy of the GNU Affero General Public License *
* along with this program. If not, see <https://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
#pragma once
#include <vector>
#include <xapian.h>
#include "util/rstime.h"
#include "retroshare/rsgxschannels.h"
#include "retroshare/rsinit.h"
#include "util/rsurl.h"
struct DeepChannelsSearchResult
{
std::string mUrl;
double mWeight;
std::string mSnippet;
};
struct DeepChannelsIndex
{
/**
* @brief Search indexed GXS groups and messages
* @param[in] maxResults maximum number of acceptable search results, 0 for
* no limits
* @return search results count
*/
static uint32_t search( const std::string& queryStr,
std::vector<DeepChannelsSearchResult>& results,
uint32_t maxResults = 100 );
static void indexChannelGroup(const RsGxsChannelGroup& chan);
static void removeChannelFromIndex(RsGxsGroupId grpId);
static void indexChannelPost(const RsGxsChannelPost& post);
static void removeChannelPostFromIndex(
RsGxsGroupId grpId, RsGxsMessageId msgId );
static uint32_t indexFile(const std::string& path);
private:
enum : Xapian::valueno
{
/// Used to store retroshare url of indexed documents
URL_VALUENO,
/// @see Xapian::BAD_VALUENO
BAD_VALUENO = Xapian::BAD_VALUENO
};
static const std::string& dbPath()
{
static const std::string dbDir =
RsAccounts::AccountDirectory() + "/deep_channels_xapian_db";
return dbDir;
}
};