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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"
// update (old-style)reaction authors
// current (and future) databases do not have reactions in the [s|m]ms tables,
// but in their own table called 'reaction'.
void SignalBackup::updateReactionAuthors(long long int id1, long long int id2) const // if id2 == -1, id1 is an offset
{ // else, change id1 into id2
for (auto const &msgtable : {"sms"s, d_mms_table})
{
if (d_database.tableContainsColumn(msgtable, "reactions"))
{
int changedcount = 0;
SqliteDB::QueryResults results;
d_database.exec("SELECT _id, reactions FROM "s + msgtable + " WHERE reactions IS NOT NULL", &results);
for (unsigned int i = 0; i < results.rows(); ++i)
{
bool changed = false;
ReactionList reactions(results.getValueAs<std::pair<std::shared_ptr<unsigned char []>, size_t>>(i, "reactions"));
for (unsigned int j = 0; j < reactions.numReactions(); ++j)
{
//std::cout << "Updating reaction author (" << msgtable << ") : " << reactions.getAuthor(j) << "..." << std::endl;
if (id2 == -1)
{
reactions.setAuthor(j, reactions.getAuthor(j) + id1);
++changedcount;
changed = true;
}
else if (reactions.getAuthor(j) == static_cast<uint64_t>(id1))
{
reactions.setAuthor(j, id2);
++changedcount;
changed = true;
}
}
if (changed)
d_database.exec("UPDATE "s + msgtable + " SET reactions = ? WHERE _id = ?",
{std::make_pair(reactions.data(), static_cast<size_t>(reactions.size())),
results.getValueAs<long long int>(i, "_id")});
}
if (d_verbose) [[unlikely]]
Logger::message(" Updated ", changedcount, " ", msgtable, ".reaction authors");
}
}
}
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