bsoncxx::stdx::optional<bsoncxx::document::value> collection::find_one_and_delete(
bsoncxx::document::view filter, const options::find_one_and_delete& options) {
scoped_bson_t bson_filter{filter};
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;
bool r = libmongoc::collection_find_and_modify(
_impl->collection_t, bson_filter.bson(), bson_sort.bson(), nullptr, bson_projection.bson(),
true, false, false, 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_delete(
view_or_value filter, const options::find_one_and_delete& options) {
auto opts = libmongoc::find_and_modify_opts_new();
auto opts_cleanup = make_guard([&opts] { libmongoc::find_and_modify_opts_destroy(opts); });
auto flags = ::MONGOC_FIND_AND_MODIFY_REMOVE;
if (options.collation()) {
scoped_bson_t bson_collation{make_document(kvp("collation", *options.collation()))};
libmongoc::find_and_modify_opts_append(opts, bson_collation.bson());
}
if (options.sort()) {
libmongoc::find_and_modify_opts_set_sort(opts, scoped_bson_t{*options.sort()}.bson());
}
if (options.projection()) {
libmongoc::find_and_modify_opts_set_fields(opts,
scoped_bson_t{*options.projection()}.bson());
}
if (options.max_time()) {
libmongoc::find_and_modify_opts_set_max_time_ms(opts, options.max_time()->count());
}
libmongoc::find_and_modify_opts_set_flags(opts, flags);
return find_and_modify(_get_impl().collection_t, filter, opts);
}
stdx::optional<bsoncxx::document::value> collection::find_one_and_delete(
view_or_value filter, const options::find_one_and_delete& options) {
auto opts = libmongoc::find_and_modify_opts_new();
auto opts_cleanup = make_guard([&opts] { libmongoc::find_and_modify_opts_destroy(opts); });
auto flags = ::MONGOC_FIND_AND_MODIFY_REMOVE;
scoped_bson_t bson_sort{options.sort()};
scoped_bson_t bson_projection{options.projection()};
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());
}
// TODO: use options.max_time() when available in the C driver
libmongoc::find_and_modify_opts_set_flags(opts, flags);
return find_and_modify(_get_impl().collection_t, filter, opts);
}
stdx::optional<bsoncxx::document::value> collection::find_one_and_delete(
view_or_value filter, const options::find_one_and_delete& 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("remove", true));
if (options.sort()) {
options_doc.append(kvp("sort", *options.sort()));
}
if (options.collation()) {
options_doc.append(kvp("collation", *options.collation()));
}
if (options.projection()) {
options_doc.append(kvp("fields", *options.projection()));
}
if (options.max_time()) {
options_doc.append(kvp("maxTimeMS", bsoncxx::types::b_int64{options.max_time()->count()}));
}
if (options.write_concern()) {
options_doc.append(kvp("writeConcern", options.write_concern()->to_document()));
}
return find_and_modify(
_get_impl().collection_t, command_doc.view(), options_doc.view(), options.write_concern());
}