std::string collection::insert(nlohmann::json::object_t const& document) throw(std::runtime_error)
{
bson_oid_t oid;
std::shared_ptr<bson> bson_doc = convert_to_bson(document);
if(document.find("_id") != document.end()) {
std::string const &id = document.find("_id")->second;
if(!ejdbisvalidoidstr(id.c_str())) {
throw ejdb_exception(JBEINVALIDBSONPK);
}
bson_oid_from_string(&oid, id.c_str());
std::shared_ptr<bson> bson_oid(bson_create(), bson_del);
bson_init(bson_oid.get());
bson_append_oid(bson_oid.get(), "_id", &oid);
bson_finish(bson_oid.get());
std::shared_ptr<bson> bson_doc_with_oid(bson_create(), bson_del);
bson_init(bson_doc_with_oid.get());
bson_merge(bson_oid.get(), bson_doc.get(), true, bson_doc_with_oid.get());
bson_finish(bson_doc_with_oid.get());
bson_doc.swap(bson_doc_with_oid);
}
if(!ejdbsavebson(_coll.get(), bson_doc.get(), &oid)) {
throw_last_ejdb_exception();
}
std::string id(24, '\0');
bson_oid_to_string(&oid, &id[0]);
document_added(id, document);
return id;
}
nlohmann::json collection::modified_fields(nlohmann::json::object_t const& a, nlohmann::json::object_t const& b)
{
nlohmann::json::object_t diff;
std::set_difference(b.begin(), b.end(), a.begin(), a.end(), std::inserter(diff, diff.begin()));
std::vector<std::string> cleared_fields;
for(auto const& field: a) {
if(b.find(field.first) == b.end()) {
cleared_fields.push_back(field.first);
}
}
return {{ "fields", diff }, { "cleared", cleared_fields }};
}
