+bool SqliteStorage::removeBuffer(const UserId &user, const BufferId &bufferId) {
+ if(!isValidBuffer(user, bufferId))
+ return false;
+
+ QSqlQuery delBacklogQuery(logDb());
+ delBacklogQuery.prepare(queryString("delete_backlog_for_buffer"));
+ delBacklogQuery.bindValue(":bufferid", bufferId.toInt());
+ delBacklogQuery.exec();
+ if(!watchQuery(&delBacklogQuery))
+ return false;
+
+ QSqlQuery delBufferQuery(logDb());
+ delBufferQuery.prepare(queryString("delete_buffer_for_bufferid"));
+ delBufferQuery.bindValue(":bufferid", bufferId.toInt());
+ delBufferQuery.exec();
+ if(!watchQuery(&delBufferQuery))
+ return false;
+
+ return true;
+}
+
+BufferId SqliteStorage::renameBuffer(const UserId &user, const NetworkId &networkId, const QString &newName, const QString &oldName) {
+ // check if such a buffer exists...
+ QSqlQuery existsQuery(logDb());
+ existsQuery.prepare(queryString("select_bufferByName"));
+ existsQuery.bindValue(":networkid", networkId.toInt());
+ existsQuery.bindValue(":userid", user.toInt());
+ existsQuery.bindValue(":buffercname", oldName.toLower());
+ existsQuery.exec();
+ if(!watchQuery(&existsQuery))
+ return false;
+
+ if(!existsQuery.first())
+ return false;
+
+ const int bufferid = existsQuery.value(0).toInt();
+
+ Q_ASSERT(!existsQuery.next());
+
+ // ... and if the new name is still free.
+ existsQuery.bindValue(":networkid", networkId.toInt());
+ existsQuery.bindValue(":userid", user.toInt());
+ existsQuery.bindValue(":buffercname", newName.toLower());
+ existsQuery.exec();
+ if(!watchQuery(&existsQuery))
+ return false;
+
+ if(existsQuery.first())
+ return false;
+
+ QSqlQuery renameBufferQuery(logDb());
+ renameBufferQuery.prepare(queryString("update_buffer_name"));
+ renameBufferQuery.bindValue(":buffername", newName);
+ renameBufferQuery.bindValue(":buffercname", newName.toLower());
+ renameBufferQuery.bindValue(":bufferid", bufferid);
+ renameBufferQuery.exec();
+ if(watchQuery(&existsQuery))
+ return BufferId(bufferid);
+ else
+ return BufferId();
+}
+
+void SqliteStorage::setBufferLastSeenMsg(UserId user, const BufferId &bufferId, const MsgId &msgId) {
+ QSqlQuery *query = cachedQuery("update_buffer_lastseen");
+ query->bindValue(":userid", user.toInt());
+ query->bindValue(":bufferid", bufferId.toInt());
+ query->bindValue(":lastseenmsgid", msgId.toInt());
+ query->exec();
+ watchQuery(query);
+}
+
+QHash<BufferId, MsgId> SqliteStorage::bufferLastSeenMsgIds(UserId user) {
+ QHash<BufferId, MsgId> lastSeenHash;
+ QSqlQuery query(logDb());
+ query.prepare(queryString("select_buffer_lastseen_messages"));
+ query.bindValue(":userid", user.toInt());
+ query.exec();
+ if(!watchQuery(&query))
+ return lastSeenHash;
+
+ while(query.next()) {
+ lastSeenHash[query.value(0).toInt()] = query.value(1).toInt();
+ }
+ return lastSeenHash;
+}
+