bsoncxx::stdx::optional<bsoncxx::document::value> collection::find_one_and_replace(
bsoncxx::document::view filter, bsoncxx::document::view replacement,
const options::find_one_and_replace& options) {
scoped_bson_t bson_filter{filter};
scoped_bson_t bson_replacement{replacement};
scoped_bson_t bson_sort{options.sort()};
scoped_bson_t bson_projection{options.projection()};
scoped_bson_t reply;
reply.flag_init();
bson_error_t error;
options::return_document rd =
options.return_document().value_or(options::return_document::k_before);
bool r = mongoc_collection_find_and_modify(
_impl->collection_t, bson_filter.bson(), bson_sort.bson(), bson_replacement.bson(),
bson_projection.bson(), false, options.upsert().value_or(false),
rd == options::return_document::k_after, reply.bson(), &error);
if (!r) {
throw std::runtime_error("baddd");
}
bsoncxx::document::view result = reply.view();
if (result["value"].type() == bsoncxx::type::k_null)
return bsoncxx::stdx::optional<bsoncxx::document::value>{};
bsoncxx::builder::stream::document b;
b << bsoncxx::builder::stream::concatenate{result["value"].get_document()};
return b.extract();
}
stdx::optional<bsoncxx::document::value> collection::find_one_and_replace(
view_or_value filter, view_or_value replacement, const options::find_one_and_replace& options) {
auto opts = libmongoc::find_and_modify_opts_new();
auto opts_cleanup = make_guard([&opts] { libmongoc::find_and_modify_opts_destroy(opts); });
int flags = ::MONGOC_FIND_AND_MODIFY_NONE;
scoped_bson_t bson_replacement{replacement};
scoped_bson_t bson_sort{options.sort()};
scoped_bson_t bson_projection{options.projection()};
libmongoc::find_and_modify_opts_set_update(opts, bson_replacement.bson());
if (options.bypass_document_validation()) {
libmongoc::find_and_modify_opts_set_bypass_document_validation(
opts, *options.bypass_document_validation());
}
if (options.sort()) {
libmongoc::find_and_modify_opts_set_sort(opts, bson_sort.bson());
}
if (options.projection()) {
libmongoc::find_and_modify_opts_set_fields(opts, bson_projection.bson());
}
if (options.upsert().value_or(false)) {
flags |= ::MONGOC_FIND_AND_MODIFY_UPSERT;
}
if (options.return_document() == options::return_document::k_after) {
flags |= ::MONGOC_FIND_AND_MODIFY_RETURN_NEW;
}
// TODO: use options.max_time() when available in the C driver
libmongoc::find_and_modify_opts_set_flags(opts,
static_cast<::mongoc_find_and_modify_flags_t>(flags));
return find_and_modify(_get_impl().collection_t, filter, opts);
}
stdx::optional<bsoncxx::document::value> collection::find_one_and_replace(
view_or_value filter, view_or_value replacement, const options::find_one_and_replace& options) {
bsoncxx::builder::basic::document command_doc;
bsoncxx::builder::basic::document options_doc;
command_doc.append(
kvp("findAndModify", libmongoc::collection_get_name(_get_impl().collection_t)));
options_doc.append(kvp("query", filter));
options_doc.append(kvp("update", replacement.view()));
if (options.sort()) {
options_doc.append(kvp("sort", *options.sort()));
}
if (options.bypass_document_validation()) {
options_doc.append(kvp("bypassDocumentValidation", *options.bypass_document_validation()));
}
if (options.collation()) {
options_doc.append(kvp("collation", *options.collation()));
}
if (options.projection()) {
options_doc.append(kvp("fields", *options.projection()));
}
if (options.upsert().value_or(false)) {
options_doc.append(kvp("upsert", *options.upsert()));
}
if (options.return_document() == options::return_document::k_after) {
options_doc.append(kvp("new", true));
}
if (options.max_time()) {
options_doc.append(kvp("maxTimeMS", bsoncxx::types::b_int64{options.max_time()->count()}));
}
return find_and_modify(
_get_impl().collection_t, command_doc.view(), options_doc.view(), options.write_concern());
}