remwharead/src/sqlite.cpp
tastytea 32040c277c
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continuous-integration/drone/push Build is passing
Replaced more regular expressions with search & replace.
2019-05-20 10:50:49 +02:00

161 lines
4.4 KiB
C++

/* This file is part of remwharead.
* Copyright © 2019 tastytea <tastytea@tastytea.de>
*
* 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, version 3.
*
* 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 <http://www.gnu.org/licenses/>.
*/
#include <exception>
#include <iostream>
#include <algorithm>
#include <basedir.h>
#include <sqlite/execute.hpp>
#include <sqlite/query.hpp>
#include "time.hpp"
#include "sqlite.hpp"
using std::cerr;
using std::endl;
Database::Database()
: _connected(false)
{
try
{
xdgHandle xdg;
xdgInitHandle(&xdg);
_dbpath = xdgDataHome(&xdg) / fs::path("remwharead");
xdgWipeHandle(&xdg);
if (!fs::exists(_dbpath))
{
fs::create_directories(_dbpath);
}
_dbpath /= "database.sqlite";
_con = std::make_unique<sqlite::connection>(_dbpath);
sqlite::execute(*_con, "CREATE TABLE IF NOT EXISTS remwharead("
"uri TEXT, archive_uri TEXT, datetime TEXT, tags TEXT, "
"title TEXT, description TEXT, fulltext TEXT);", true);
_connected = true;
}
catch (std::exception &e)
{
cerr << "Error in " << __func__ << ": " << e.what() << endl;
}
}
Database::operator bool() const
{
return _connected;
}
bool operator ==(const Database::entry &a, const Database::entry &b)
{
if (a.datetime == b.datetime)
{
return true;
}
return false;
}
const string Database::entry::fulltext_oneline() const
{
string oneline = fulltext;
size_t pos = 0;
while ((pos = oneline.find('\n', pos)) != std::string::npos)
{
oneline.replace(pos, 1, "\\n");
}
return oneline;
}
void Database::store(const Database::entry &data) const
{
try
{
const string strdatetime = timepoint_to_string(data.datetime, true);
string strtags;
for (const string &tag : data.tags)
{
strtags += tag;
if (tag != *(data.tags.rbegin()))
{
strtags += ",";
}
}
sqlite::execute ins(*_con, "INSERT INTO remwharead "
"VALUES(?, ?, ?, ?, ?, ?, ?);");
ins % data.uri % data.archive_uri % strdatetime % strtags
% data.title % data.description % data.fulltext;
ins();
}
catch (std::exception &e)
{
cerr << "Error in " << __func__ << ": " << e.what() << endl;
}
}
const vector<Database::entry> Database::retrieve(const time_point &start,
const time_point &end) const
{
try
{
const string query = "SELECT * FROM remwharead WHERE datetime "
"BETWEEN '" + timepoint_to_string(start, true)
+ "' AND '" + timepoint_to_string(end, true)
+ "' ORDER BY datetime DESC;";
sqlite::query q(*_con, query);
sqlite::result_type res = q.get_result();
vector<entry> entries;
while(res->next_row())
{
vector<string> tags;
const string strtags = res->get_string(3);
size_t pos = 0;
while (pos != std::string::npos)
{
const size_t newpos = strtags.find(',', pos);
tags.push_back(strtags.substr(pos, newpos - pos));
pos = newpos;
if (pos != std::string::npos)
{
++pos;
}
}
entries.push_back
({
res->get_string(0),
res->get_string(1),
string_to_timepoint(res->get_string(2), true),
tags,
res->get_string(4),
res->get_string(5),
res->get_string(6)
});
}
return entries;
}
catch (std::exception &e)
{
cerr << "Error in " << __func__ << ": " << e.what() << endl;
}
return {};
}