QPair<int, HistoryKeeper::ChatType> HistoryKeeper::getChatID(const QString &id_str, ChatType ct)
{
auto it = chats.find(id_str);
if (it != chats.end())
return it.value();
db->exec(QString("INSERT INTO chats (name, ctype) VALUES ('%1', '%2');").arg(id_str).arg(ct));
updateChatsID();
return getChatID(id_str, ct);
}
HistoryKeeper::HistoryKeeper(GenericDdInterface *db_) :
db(db_)
{
/*
DB format
chats:
* name -> id map
id -- auto-incrementing number
name -- chat's name (for user to user conversation it is opposite user public key)
ctype -- chat type, reserved for group chats
alisases:
* user_id -> id map
id -- auto-incrementing number
name -- user's public key
history:
id -- auto-incrementing number
timestamp
chat_id -- current chat ID (resolves from chats table)
sender -- sender's ID (resolves from aliases table)
message
*/
// for old tables:
QSqlQuery ans = db->exec("select seq from sqlite_sequence where name=\"history\";");
if (ans.first())
{
int idMax = ans.value(0).toInt();
QSqlQuery ret = db->exec("select seq from sqlite_sequence where name=\"sent_status\";");
int idCur = 0;
if (ret.first())
{
idCur = ret.value(0).toInt();
}
if (idCur != idMax)
{
QString cmd = QString("INSERT INTO sent_status (id, status) VALUES (%1, 1);").arg(idMax);
db->exec(cmd);
}
}
updateChatsID();
updateAliases();
setSyncType(Settings::getInstance().getDbSyncType());
messageID = 0;
QSqlQuery sqlAnswer = db->exec("select seq from sqlite_sequence where name=\"history\";");
if (sqlAnswer.first())
messageID = sqlAnswer.value(0).toLongLong();
}
HistoryKeeper::HistoryKeeper(GenericDdInterface *db_) :
db(db_)
{
/*
DB format
chats:
* name -> id map
id -- auto-incrementing number
name -- chat's name (for user to user conversation it is opposite user public key)
ctype -- chat type, reserved for group chats
aliases:
* user_id -> id map
id -- auto-incrementing number
user_id -- user's public key
av_hash -- hash of user's avatar
avatar -- user's avatar
history:
id -- auto-incrementing number
timestamp
chat_id -- current chat ID (resolves from chats table)
sender -- sender's ID (resolves from aliases table)
message
alias -- sender's alias in
*/
// for old tables:
QSqlQuery ans = db->exec("SELECT seq FROM sqlite_sequence WHERE name=\"history\";");
if (ans.first())
{
int idMax = ans.value(0).toInt();
QSqlQuery ret = db->exec("SELECT seq FROM sqlite_sequence WHERE name=\"sent_status\";");
int idCur = 0;
if (ret.first())
idCur = ret.value(0).toInt();
if (idCur != idMax)
{
QString cmd = QString("INSERT INTO sent_status (id, status) VALUES (%1, 1);").arg(idMax);
db->exec(cmd);
}
}
//check table stuct
ans = db->exec("PRAGMA table_info (\"history\")");
ans.seek(5);
if (!ans.value(1).toString().contains("alias"))
{
//add collum in table
db->exec("ALTER TABLE history ADD COLUMN alias TEXT");
qDebug() << "Struct DB updated: Added column alias in table history.";
}
ans.clear();
ans = db->exec("PRAGMA table_info('aliases')");
ans.seek(2);
if (!ans.value(1).toString().contains("av_hash"))
{
//add collum in table
db->exec("ALTER TABLE aliases ADD COLUMN av_hash BLOB");
qDebug() << "Struct DB updated: Added column av_hash in table aliases.";
}
ans.seek(3);
if (!ans.value(1).toString().contains("avatar"))
{
//add collum in table
needImport = true;
db->exec("ALTER TABLE aliases ADD COLUMN avatar BLOB");
qDebug() << "Struct DB updated: Added column avatar in table aliases.";
}
updateChatsID();
updateAliases();
setSyncType(Settings::getInstance().getDbSyncType());
messageID = 0;
QSqlQuery sqlAnswer = db->exec("SELECT seq FROM sqlite_sequence WHERE name=\"history\";");
if (sqlAnswer.first())
messageID = sqlAnswer.value(0).toLongLong();
}