// Squawk messenger.
// Copyright (C) 2019  Yury Gubich <blue@macaw.me>
//
// 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 <http://www.gnu.org/licenses/>.

#ifndef CORE_TABLE_HPP
#define CORE_TABLE_HPP

#include "table.h"


template<typename K, typename V>
void Core::DataBase::Table<K, V>::addRecord(const K& key, const V& value) {
    if (!db->opened) {
        throw Closed("addRecord", db->name);
    }
    QByteArray ba;
    QDataStream ds(&ba, QIODevice::WriteOnly);
    ds << value;

    MDB_val lmdbKey, lmdbData;
    lmdbKey << key;

    lmdbData.mv_size = ba.size();
    lmdbData.mv_data = (uint8_t*)ba.data();
    MDB_txn *txn;
    mdb_txn_begin(db->environment, NULL, 0, &txn);
    int rc;
    rc = mdb_put(txn, dbi, &lmdbKey, &lmdbData, MDB_NOOVERWRITE);
    if (rc != 0) {
        mdb_txn_abort(txn);
        if (rc == MDB_KEYEXIST) {
            throw Exist(db->name, std::to_string(key));
        } else {
            throw Unknown(db->name, mdb_strerror(rc));
        }
    } else {
        mdb_txn_commit(txn);
    }
}

#endif //CORE_TABLE_HPP