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/*
Copyright (C) 2022-2024 Selwin van Dijk
This file is part of signalbackup-tools.
signalbackup-tools 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.
signalbackup-tools 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 signalbackup-tools. If not, see <https://www.gnu.org/licenses/>.
*/
#include "signalbackup.ih"
bool SignalBackup::cleanAttachments()
{
//std::map<std::pair<uint64_t, uint64_t>, std::unique_ptr<AttachmentFrame>> d_attachments; //maps <rowid,uniqueid> to attachment
// remove unused attachments
Logger::message(" Deleting unused attachments...");
SqliteDB::QueryResults results;
int constexpr INVALID_ID = -10;
d_database.exec("SELECT _id,"
+ (d_database.tableContainsColumn(d_part_table, "unique_id") ? "unique_id"s : "-1 AS unique_id"s) +
" FROM " + d_part_table, &results);
for (auto it = d_attachments.begin(); it != d_attachments.end();)
{
bool found = false;
for (unsigned int i = 0; i < results.rows(); ++i)
{
long long int rowid = INVALID_ID;
if (results.valueHasType<long long int>(i, "_id"))
rowid = results.getValueAs<long long int>(i, "_id");
long long int uniqueid = INVALID_ID;
if (results.valueHasType<long long int>(i, "unique_id"))
uniqueid = results.getValueAs<long long int>(i, "unique_id");
if (rowid != INVALID_ID && uniqueid != INVALID_ID &&
it->first.first == static_cast<uint64_t>(rowid) && it->first.second == static_cast<int64_t>(uniqueid))
{
found = true;
break;
}
}
if (!found)
it = d_attachments.erase(it);
else
++it;
}
return true;
}
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