TBson TBson::toBson(const QStringList &lst)
{
TBson ret;
for (auto &str : lst) {
bool res = appendBsonValue((bson_t *)ret.data(), qPrintable(str), 1);
if (!res)
break;
}
return ret;
}
QVariantMap TMongoDriver::findOne(const QString &ns, const QVariantMap &criteria,
const QStringList &fields)
{
TBson bs;
mongo_clear_errors(mongoConnection);
int status = mongo_find_one(mongoConnection, qPrintable(ns), (bson *)TBson::toBson(criteria).data(),
(bson *)TBson::toBson(fields).data(), (bson *)bs.data());
if (status != MONGO_OK) {
tSystemError("MongoDB Error: %s", mongoConnection->lasterrstr);
return QVariantMap();
}
return TBson::fromBson(bs);
}
TBson TBson::toBson(const QVariantMap &query, const QVariantMap &orderBy)
{
TBson ret;
bson_t child;
// query clause
BSON_APPEND_DOCUMENT_BEGIN((bson_t *)ret.data(), "$query", &child);
appendBson(&child, query);
bson_append_document_end((bson_t *)ret.data(), &child);
// orderBy clause
if (!orderBy.isEmpty()) {
BSON_APPEND_DOCUMENT_BEGIN((bson_t *)ret.data(), "$orderby", &child);
appendBson(&child, orderBy);
bson_append_document_end((bson_t *)ret.data(), &child);
}
return ret;
}
QVariantMap TBson::fromBson(const TBson &bson)
{
return TBson::fromBson(bson.constData());
}
TBson TBson::toBson(const QVariantMap &map)
{
TBson ret;
appendBson(ret.data(), map);
return ret;
}