#include "sqlitestorage.h"
+
+SqliteStorage::SqliteStorage() {
+ // TODO I don't think that this path is failsafe for windows users :)
+ QString backlogFile = Global::quasselDir + "/quassel-backlog-newstyle.sqlite";
+ logDb = QSqlDatabase::addDatabase("QSQLITE");
+ logDb.setDatabaseName(backlogFile);
+ bool ok = logDb.open();
+
+ if(!ok) {
+ qWarning(tr("Could not open backlog database: %1").arg(logDb.lastError().text()).toAscii());
+ qWarning(tr("Disabling logging...").toAscii());
+ Q_ASSERT(ok);
+ return;
+ }
+
+ if(!logDb.transaction()) {
+ qWarning(tr("Database driver does not support transactions. This might lead to a corrupt database!").toAscii());
+ }
+
+ // check if the db schema is up to date
+ QSqlQuery query = logDb.exec("SELECT MAX(version) FROM coreinfo");
+ if(query.first()) {
+ // TOTO VersionCheck
+ //checkVersion(query.value(0));
+ qDebug() << "Sqlite is ready. Quassel Schema Version:" << query.value(0).toUInt();
+ } else {
+ initDb();
+ }
+
+ // we will need those pretty often... so let's speed things up:
+ createBufferQuery = new QSqlQuery();
+ createBufferQuery->prepare("INSERT INTO buffer (userid, networkid, buffername) VALUES (:userid, (SELECT networkid FROM network WHERE networkname = :networkname), :buffername)");
+
+ createNetworkQuery = new QSqlQuery();
+ createNetworkQuery->prepare("INSERT INTO network (userid, networkname) VALUES (:userid, :networkname)");
+
+ getBufferIdQuery = new QSqlQuery();
+ getBufferIdQuery->prepare("SELECT bufferid FROM buffer "
+ "JOIN network ON buffer.networkid = network.networkid "
+ "WHERE network.networkname = :networkname AND buffer.userid = :userid AND buffer.buffername = :buffername");
+
+
+ logMessageQuery = new QSqlQuery();
+ logMessageQuery->prepare("INSERT INTO backlog (time, bufferid, type, flags, senderid, message) "
+ "VALUES (:time, :bufferid, :type, :flags, (SELECT senderid FROM sender WHERE sender = :sender), :message)");
+
+ addSenderQuery = new QSqlQuery();
+ addSenderQuery->prepare("INSERT INTO sender (sender) VALUES (:sender)");
+
+ getLastMessageIdQuery = new QSqlQuery();
+ getLastMessageIdQuery->prepare("SELECT messageid FROM backlog "
+ "WHERE time = :time AND bufferid = :bufferid AND type = :type AND senderid = (SELECT senderid FROM sender WHERE sender = :sender)");
+
+ requestMsgsOffsetQuery = new QSqlQuery();
+ requestMsgsOffsetQuery->prepare("SELECT count(*) FROM backlog WHERE bufferid = :bufferid AND messageid < :messageid");
+
+ requestMsgsQuery = new QSqlQuery();
+ requestMsgsQuery->prepare("SELECT messageid, time, type, flags, sender, message, displayname "
+ "FROM backlog "
+ "JOIN buffer ON backlog.bufferid = buffer.bufferid "
+ "JOIN sender ON backlog.senderid = sender.senderid "
+ "LEFT JOIN buffergroup ON buffer.groupid = buffergroup.groupid "
+ "WHERE buffer.bufferid = :bufferid OR buffer.groupid = (SELECT groupid FROM buffer WHERE bufferid = :bufferid) "
+ "ORDER BY messageid DESC "
+ "LIMIT :limit OFFSET :offset");
+
+ requestMsgsSinceOffsetQuery = new QSqlQuery();
+ requestMsgsSinceOffsetQuery->prepare("SELECT count(*) FROM backlog WHERE bufferid = :bufferid AND time >= :since");
+
+ requestMsgsSinceQuery = new QSqlQuery();
+ requestMsgsSinceQuery->prepare("SELECT messageid, time, type, flags, sender, message, displayname "
+ "FROM backlog "
+ "JOIN buffer ON backlog.bufferid = buffer.bufferid "
+ "JOIN sender ON backlog.senderid = sender.senderid "
+ "LEFT JOIN buffergroup ON buffer.groupid = buffergroup.groupid "
+ "WHERE (buffer.bufferid = :bufferid OR buffer.groupid = (SELECT groupid FROM buffer WHERE bufferid = :bufferid)) AND "
+ "backlog.time >= :since "
+ "ORDER BY messageid DESC "
+ "LIMIT -1 OFFSET :offset");
+
+ requestMsgRangeQuery = new QSqlQuery();
+ requestMsgRangeQuery->prepare("SELECT messageid, time, type, flags, sender, message, displayname "
+ "FROM backlog "
+ "JOIN buffer ON backlog.bufferid = buffer.bufferid "
+ "JOIN sender ON backlog.senderid = sender.senderid "
+ "LEFT JOIN buffergroup ON buffer.groupid = buffergroup.groupid "
+ "WHERE (buffer.bufferid = :bufferid OR buffer.groupid = (SELECT groupid FROM buffer WHERE bufferid = :bufferid)) AND "
+ "backlog.messageid >= :firstmsg AND backlog.messageid <= :lastmsg "
+ "ORDER BY messageid DESC ");
+
+}
+
+SqliteStorage::~SqliteStorage() {
+ delete logMessageQuery;
+ delete addSenderQuery;
+ delete getLastMessageIdQuery;
+ delete requestMsgsQuery;
+ delete requestMsgsOffsetQuery;
+ delete requestMsgsSinceQuery;
+ delete requestMsgsSinceOffsetQuery;
+ delete requestMsgRangeQuery;
+ delete createNetworkQuery;
+ delete createBufferQuery;
+ delete getBufferIdQuery;
+ logDb.close();
+}
+
+
+void SqliteStorage::initDb() {
+ logDb.exec("CREATE TABLE quasseluser ("
+ "userid INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,"
+ "username TEXT UNIQUE NOT NULL,"
+ "password BLOB NOT NULL)");
+
+ logDb.exec("CREATE TABLE sender ("
+ "senderid INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,"
+ "sender TEXT UNIQUE NOT NULL)");
+
+ logDb.exec("CREATE TABLE network ("
+ "networkid INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,"
+ "userid INTEGER NOT NULL,"
+ "networkname TEXT NOT NULL,"
+ "UNIQUE (userid, networkname))");
+
+ logDb.exec("CREATE TABLE buffergroup ("
+ "groupid INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,"
+ "userid INTEGER NOT NULL,"
+ "displayname TEXT)");
+
+ logDb.exec("CREATE TABLE buffer ("
+ "bufferid INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,"
+ "userid INTEGER NOT NULL,"
+ "groupid INTEGER,"
+ "networkid INTEGER NOT NULL,"
+ "buffername TEXT NOT NULL)");
+
+ logDb.exec("CREATE UNIQUE INDEX buffer_idx "
+ "ON buffer(userid, networkid, buffername)");
+
+ logDb.exec("CREATE TABLE backlog ("
+ "messageid INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,"
+ "time INTEGER NOT NULL,"
+ "bufferid INTEGER NOT NULL,"
+ "type INTEGER NOT NULL,"
+ "flags INTEGER NOT NULL,"
+ "senderid INTEGER NOT NULL,"
+ "message TEXT NOT NULL)");
+
+ logDb.exec("CREATE TABLE coreinfo ("
+ "updateid INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,"
+ "version INTEGER NOT NULL)");
+
+ logDb.exec("INSERT INTO coreinfo (version) VALUES (0)");
+
+
+ // something fucked up -> no logging possible
+ if(logDb.lastError().isValid()) {
+ qWarning(tr("Could not create backlog table: %1").arg(logDb.lastError().text()).toAscii());
+ qWarning(tr("Disabling logging...").toAscii());
+ logDb.rollback();
+ Q_ASSERT(false); // quassel does require logging
+ } else {
+ logDb.commit();
+ }
+}
+
+bool SqliteStorage::isAvailable() {
+ // oh yes we're available... at least I do hope so :)
+ return true;
+}
+
+QString SqliteStorage::displayName() {
+ // I think the class name is a got start here
+ return QString("SqliteStorage");
+}
+
+UserId SqliteStorage::addUser(QString user, QString password) {
+ QByteArray cryptopass = QCryptographicHash::hash(password.toUtf8(), QCryptographicHash::Sha1);
+ cryptopass = cryptopass.toHex();
+
+ QSqlQuery query(logDb);
+ query.prepare("INSERT INTO quasseluser (username, password) VALUES (:username, :password)");
+ query.bindValue(":username", user);
+ query.bindValue(":password", cryptopass);
+ query.exec();
+ if(query.lastError().isValid() && query.lastError().number() == 19) { // user already exists - sadly 19 seems to be the general constraint violation error...
+ return 0;
+ }
+ logDb.commit();
+
+ query.prepare("SELECT userid FROM quasseluser WHERE username = :username");
+ query.bindValue(":username", user);
+ query.exec();
+ query.first();
+ return query.value(0).toUInt();
+}
+
+void SqliteStorage::updateUser(UserId user, QString password) {
+ QByteArray cryptopass = QCryptographicHash::hash(password.toUtf8(), QCryptographicHash::Sha1);
+ cryptopass = cryptopass.toHex();
+
+ QSqlQuery query(logDb);
+ query.prepare("UPDATE quasseluser SET password = :password WHERE userid = :userid");
+ query.bindValue(":userid", user);
+ query.bindValue(":password", cryptopass);
+ query.exec();
+ logDb.commit();
+}
+
+UserId SqliteStorage::validateUser(QString user, QString password) {
+ QByteArray cryptopass = QCryptographicHash::hash(password.toUtf8(), QCryptographicHash::Sha1);
+ cryptopass = cryptopass.toHex();
+
+ QSqlQuery query(logDb);
+ query.prepare("SELECT userid FROM quasseluser WHERE username = :username AND password = :password");
+ query.bindValue(":username", user);
+ query.bindValue(":password", cryptopass);
+ query.exec();
+
+ if(query.first()) {
+ return query.value(0).toUInt();
+ } else {
+ return 0;
+ }
+
+}
+
+void SqliteStorage::delUser(UserId user) {
+ QSqlQuery query(logDb);
+ query.prepare("DELETE FROM backlog WHERE userid = :userid");
+ query.bindValue(":userid", user);
+ query.exec();
+ query.prepare("DELETE FROM buffer WHERE userid = :userid");
+ query.bindValue(":userid", user);
+ query.exec();
+ query.prepare("DELETE FROM buffergroup WHERE userid = :userid");
+ query.bindValue(":userid", user);
+ query.exec();
+ query.prepare("DELETE FROM network WHERE userid = :userid");
+ query.bindValue(":userid", user);
+ query.exec();
+ query.prepare("DELETE FROM quasseluser WHERE userid = :userid");
+ query.bindValue(":userid", user);
+ query.exec();
+ logDb.commit();
+ // I hate the lack of foreign keys and on delete cascade... :(
+}
+
+void SqliteStorage::createBuffer(UserId user, QString network, QString buffer) {
+ qDebug() << "creating buffer:" << user << network << buffer;
+ createBufferQuery->bindValue(":userid", user);
+ createBufferQuery->bindValue(":networkname", network);
+ createBufferQuery->bindValue(":buffername", buffer);
+ createBufferQuery->exec();
+
+ if(createBufferQuery->lastError().isValid()) {
+ if(createBufferQuery->lastError().number() == 19) { // Null Constraint violation
+ createNetworkQuery->bindValue(":userid", user);
+ createNetworkQuery->bindValue(":networkname", network);
+ createNetworkQuery->exec();
+ createBufferQuery->exec();
+ Q_ASSERT(!createNetworkQuery->lastError().isValid());
+ Q_ASSERT(!createBufferQuery->lastError().isValid());
+ } else {
+ // do panic!
+ qDebug() << "failed to create Buffer: ErrNo:" << createBufferQuery->lastError().number() << "ErrMsg:" << createBufferQuery->lastError().text();
+ }
+ }
+ logDb.commit();
+}
+
+BufferId SqliteStorage::getBufferId(UserId user, QString network, QString buffer) {
+ getBufferIdQuery->bindValue(":networkname", network);
+ getBufferIdQuery->bindValue(":userid", user);
+ getBufferIdQuery->bindValue(":buffername", buffer);
+ getBufferIdQuery->exec();
+
+ if(!getBufferIdQuery->first()) {
+ createBuffer(user, network, buffer);
+ getBufferIdQuery->exec();
+ Q_ASSERT(getBufferIdQuery->first());
+ }
+
+ return BufferId(getBufferIdQuery->value(0).toUInt(), network, buffer);
+}
+
+QList<BufferId> SqliteStorage::requestBuffers(UserId user, QDateTime since) {
+ QList<BufferId> bufferlist;
+ QSqlQuery query(logDb);
+ query.prepare("SELECT bufferid, networkname, buffername FROM buffer "
+ "JOIN network ON buffer.networkid = network.networkid "
+ "JOIN backlog ON buffer.bufferid = backlog.bufferid "
+ "WHERE buffer.userid = :userid AND time >= :time");
+ query.bindValue(":userid", user);
+ query.bindValue(":time", since.toTime_t());
+ query.exec();
+ while(query.next()) {
+ bufferlist << BufferId(query.value(0).toUInt(), query.value(1).toString(), query.value(2).toString());
+ }
+ return bufferlist;
+}
+
+MsgId SqliteStorage::logMessage(Message msg) {
+ logMessageQuery->bindValue(":time", msg.timeStamp.toTime_t());
+ logMessageQuery->bindValue(":bufferid", msg.buffer.uid());
+ logMessageQuery->bindValue(":type", msg.type);
+ logMessageQuery->bindValue(":flags", msg.flags);
+ logMessageQuery->bindValue(":sender", msg.sender);
+ logMessageQuery->bindValue(":message", msg.text);
+ logMessageQuery->exec();
+
+ // constraint violation - must be NOT NULL constraint - probably the sender is missing...
+ if(logMessageQuery->lastError().isValid()) {
+ if(logMessageQuery->lastError().number() == 19) {
+ addSenderQuery->bindValue(":sender", msg.sender);
+ addSenderQuery->exec();
+ logMessageQuery->exec();
+ } else {
+ qDebug() << "unhandled DB Error in logMessage(): Number:" << logMessageQuery->lastError().number() << "ErrMsg:" << logMessageQuery->lastError().text();
+ }
+ }
+
+ logDb.commit();
+
+ getLastMessageIdQuery->bindValue(":time", msg.timeStamp.toTime_t());
+ getLastMessageIdQuery->bindValue(":bufferid", msg.buffer.uid());
+ getLastMessageIdQuery->bindValue(":type", msg.type);
+ getLastMessageIdQuery->bindValue(":sender", msg.sender);
+ getLastMessageIdQuery->exec();
+
+ if(getLastMessageIdQuery->first()) {
+ return getLastMessageIdQuery->value(0).toUInt();
+ } else { // somethin went wrong... :(
+ return 0;
+ }
+}
+
+QList<Message> SqliteStorage::requestMsgs(BufferId buffer, int lastmsgs, int offset) {
+ QList<Message> messagelist;
+ // we have to determine the real offset first
+ requestMsgsOffsetQuery->bindValue(":bufferid", buffer.uid());
+ requestMsgsOffsetQuery->bindValue(":messageid", offset);
+ requestMsgsOffsetQuery->exec();
+ requestMsgsOffsetQuery->first();
+ offset = requestMsgsOffsetQuery->value(0).toUInt();
+
+ // now let's select the messages
+ requestMsgsQuery->bindValue(":bufferid", buffer.uid());
+ requestMsgsQuery->bindValue(":limit", lastmsgs);
+ requestMsgsQuery->bindValue(":offset", offset);
+ requestMsgsQuery->exec();
+
+ while(requestMsgsQuery->next()) {
+ Message msg(QDateTime::fromTime_t(requestMsgsQuery->value(1).toInt()),
+ buffer,
+ (Message::Type)requestMsgsQuery->value(2).toUInt(),
+ requestMsgsQuery->value(5).toString(),
+ requestMsgsQuery->value(4).toString(),
+ requestMsgsQuery->value(3).toUInt());
+ msg.msgId = requestMsgsQuery->value(0).toUInt();
+ messagelist << msg;
+ }
+
+ return messagelist;
+}
+
+
+QList<Message> SqliteStorage::requestMsgs(BufferId buffer, QDateTime since, int offset) {
+ QList<Message> messagelist;
+ // we have to determine the real offset first
+ requestMsgsSinceOffsetQuery->bindValue(":bufferid", buffer.uid());
+ requestMsgsSinceOffsetQuery->bindValue(":since", since.toTime_t());
+ requestMsgsSinceOffsetQuery->exec();
+ requestMsgsSinceOffsetQuery->first();
+ offset = requestMsgsSinceOffsetQuery->value(0).toUInt();
+
+ // now let's select the messages
+ requestMsgsSinceQuery->bindValue(":bufferid", buffer.uid());
+ requestMsgsSinceQuery->bindValue(":since", since.toTime_t());
+ requestMsgsSinceQuery->bindValue(":offset", offset);
+ requestMsgsSinceQuery->exec();
+
+ while(requestMsgsSinceQuery->next()) {
+ Message msg(QDateTime::fromTime_t(requestMsgsSinceQuery->value(1).toInt()),
+ buffer,
+ (Message::Type)requestMsgsSinceQuery->value(2).toUInt(),
+ requestMsgsSinceQuery->value(5).toString(),
+ requestMsgsSinceQuery->value(4).toString(),
+ requestMsgsSinceQuery->value(3).toUInt());
+ msg.msgId = requestMsgsSinceQuery->value(0).toUInt();
+ messagelist << msg;
+ }
+
+
+ return messagelist;
+}
+
+
+QList<Message> SqliteStorage::requestMsgRange(BufferId buffer, int first, int last) {
+ QList<Message> messagelist;
+ requestMsgRangeQuery->bindValue(":bufferid", buffer.uid());
+ requestMsgRangeQuery->bindValue(":firstmsg", first);
+ requestMsgRangeQuery->bindValue(":lastmsg", last);
+
+ while(requestMsgRangeQuery->next()) {
+ Message msg(QDateTime::fromTime_t(requestMsgRangeQuery->value(1).toInt()),
+ buffer,
+ (Message::Type)requestMsgRangeQuery->value(2).toUInt(),
+ requestMsgRangeQuery->value(5).toString(),
+ requestMsgRangeQuery->value(4).toString(),
+ requestMsgRangeQuery->value(3).toUInt());
+ msg.msgId = requestMsgRangeQuery->value(0).toUInt();
+ messagelist << msg;
+ }
+
+ return messagelist;
+}
+
+void SqliteStorage::importOldBacklog() {
+ QSqlQuery query(logDb);
+ int user;
+ query.prepare("SELECT MIN(userid) FROM quasseluser");
+ query.exec();
+ if(!query.first()) {
+ qDebug() << "create a user first!";
+ } else {
+ user = query.value(0).toUInt();
+ }
+ query.prepare("DELETE FROM backlog WHERE userid = :userid");
+ query.bindValue(":userid", user);
+ query.exec();
+ query.prepare("DELETE FROM buffer WHERE userid = :userid");
+ query.bindValue(":userid", user);
+ query.exec();
+ query.prepare("DELETE FROM buffergroup WHERE userid = :userid");
+ query.bindValue(":userid", user);
+ query.exec();
+ query.prepare("DELETE FROM network WHERE userid = :userid");
+ query.bindValue(":userid", user);
+ query.exec();
+ logDb.commit();
+ qDebug() << "All userdata has been deleted";
+ qDebug() << "importing old backlog files...";
+ initBackLogOld(user);
+ logDb.commit();
+ return;
+}
+
+
+
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