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/*
Copyright (C) 2019-2024 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"
void SignalBackup::mergeGroups(std::vector<std::string> const &groupids)
{
if (groupids.size() < 2)
{
Logger::error("Too few addresses");
return;
}
Logger::message("\nTHIS FUNCTION MAY NEED UPDATING. PLEASE OPEN AN ISSUE\n"
"IF YOU NEED IT.\n");
std::string targetgroup = groupids.back();
SqliteDB::QueryResults res;
std::set<std::string> targetmembersvec;
if (d_database.tableContainsColumn("groups", "members"))
{
d_database.exec("SELECT members FROM groups WHERE group_id = ?", targetgroup, &res);
std::string targetmembers = res.getValueAs<std::string>(0, 0);
std::stringstream ss(targetmembers);
while (ss.good())
{
std::string substr;
std::getline(ss, substr, ',');
targetmembersvec.insert(substr);
}
}
else
{
d_database.exec("SELECT DISTINCT recipient_id FROM group_membership WHERE group_id = ?", targetgroup, &res);
for (unsigned int i = 0; i < res.rows(); ++i)
targetmembersvec.insert(res.valueAsString(i, 0));
}
// get the thread_id of the target
long long int tid = getThreadIdFromRecipient(targetgroup);
if (tid != -1)
{
// update all messages from this addresses[i] to belong to that same thread and change address in new number
for (unsigned int i = 0; i < groupids.size() - 1; ++i)
{
long long int oldtid = getThreadIdFromRecipient(groupids[i]);
if (oldtid == -1)
{
Logger::error("Failed to find thread for old group: ", groupids[i]);
continue;
}
Logger::message("Dealing with group: ", groupids[i]);
if (d_database.containsTable("sms"))
{
d_database.exec("UPDATE sms SET thread_id = ? WHERE thread_id = ?", {tid, oldtid});
Logger::message("Updated ", d_database.changed(), " entries in 'sms' table");
d_database.exec("UPDATE sms SET " + d_sms_recipient_id + " = ? WHERE " + d_sms_recipient_id + " = ?",
{targetgroup, groupids[i]});
Logger::message("Updated ", d_database.changed(), " entries in 'sms' table");
}
d_database.exec("UPDATE " + d_mms_table + " SET thread_id = ? WHERE thread_id = ?", {tid, oldtid});
Logger::message("Updated ", d_database.changed(), " entries in 'mms' table");
if (!d_database.tableContainsColumn(d_mms_table, "to_recipient_id")) // < dbv185
{
d_database.exec("UPDATE " + d_mms_table + " SET " + d_mms_recipient_id + " = ? WHERE " + d_mms_recipient_id + " = ?",
{targetgroup, groupids[i]});
Logger::message("Updated ", d_database.changed(), " entries in 'mms' table");
}
else
{
// adjust to_recipient (= group id on outgoing messages)
d_database.exec("UPDATE " + d_mms_table + " SET to_recipient_id = ? WHERE to_recipient_id = ?",
{targetgroup, groupids[i]});
Logger::message("Updated ", d_database.changed(), " entries in 'mms' table");
}
if (d_database.containsTable("mention"))
{
d_database.exec("UPDATE mention SET thread_id = ? WHERE thread_id = ?", {tid, oldtid});
Logger::message("Updated ", d_database.changed(), " entries in 'sms' table");
}
if (d_database.containsTable("msl_recipient"))
d_database.exec("UPDATE msl_recipient SET recipient_id = ? WHERE recipient_id = ?", {targetgroup, groupids[i]});
if (d_database.containsTable("reaction")) // dbv >= 121
d_database.exec("UPDATE reaction SET author_id = ? WHERE author_id = ?", {targetgroup, groupids[i]});
// delete old (now empty) thread
d_database.exec("DELETE FROM thread WHERE " + d_thread_recipient_id + " = ?", groupids[i]);
Logger::message("Removed ", d_database.changed(), " threads from table");
// get members of groupids[i] and merge them into targetgroup
if (d_database.tableContainsColumn("groups", "members"))
{
d_database.exec("SELECT members FROM groups WHERE group_id = ?", groupids[i], &res);
std::string members = res.getValueAs<std::string>(0, 0);
std::stringstream ss2(members);
while (ss2.good())
{
std::string substr;
std::getline(ss2, substr, ',');
auto [it, inserted] = targetmembersvec.insert(substr);
if (inserted)
Logger::message("Added ", substr, " to memberlist of group");
else
Logger::message("Skipped adding ", substr, " to group: already a member");
}
}
else
{
d_database.exec("SELECT DISTINCT recipient_id FROM group_membership WHERE group_id = ?", groupids[i], &res);
for (unsigned int g = 0; g < res.rows(); ++g)
d_database.exec("INSERT OR IGNORE INTO group_membership (group_id, recipient_id) VALUES (?, ?)", {targetgroup, res.getValueAs<long long int>(g, "recipient_id")});
}
// delete the merged group
d_database.exec("DELETE FROM groups WHERE group_id = ?", groupids[i]);
Logger::message("Removed ", d_database.changed(), " groups from table");
if (d_database.containsTable("group_membership"))
d_database.exec("DELETE FROM group_membership WHERE group_id = ?", groupids[i]);
}
// set new member list
if (d_database.tableContainsColumn("groups", "members"))
{
Logger::message("Setting new memberlist");
std::string newmemberlist;
for (auto const &it : targetmembersvec)
newmemberlist += it + ',';
newmemberlist.pop_back(); // remove trailing comma...
d_database.exec("UPDATE groups SET members = ? WHERE group_id = ?", {newmemberlist, targetgroup});
}
}
else
{
Logger::warning("No group thread with id ", tid, " found");
}
updateThreadsEntries();
}
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