/**
* Set named attribute.
*
* @param attr Name of the attribute (must be one of "id", "version",
* "changeset", "timestamp", "uid", "visible")
* @param value Value of the attribute
*/
void set_attribute(const char* attr, const char* value) {
if (!strcmp(attr, "id")) {
set_id(value);
} else if (!strcmp(attr, "num_changes")) {
set_num_changes(value);
} else if (!strcmp(attr, "created_at")) {
set_created_at(osmium::Timestamp(value));
} else if (!strcmp(attr, "closed_at")) {
set_closed_at(osmium::Timestamp(value));
} else if (!strcmp(attr, "uid")) {
set_uid(value);
}
}
Status Base::save() {
if (_connection == nullptr) {
return Status::status_ailment();
}
before_save();
set_updated_at();
fmt::MemoryWriter buf;
if (_new_record) {
before_create();
set_created_at();
buf << "INSERT INTO " << table_name() << " (";
std::vector<std::tuple<std::string, std::string> > values;
for (auto &one : _fields) {
if (one.first == "id") continue;
values.push_back(std::make_tuple(one.first, one.second));
}
auto size = values.size();
for (auto &one : values) {
size -= 1;
buf << std::get<0>(one);
if (0 < size) {
buf << ", ";
}
}
buf << ") VALUES (";
size = values.size();
for (auto &one : values) {
size -= 1;
buf << "'" << std::get<1>(one) << "'";
if (0 < size) {
buf << ", ";
}
}
buf << ");";
} else {
before_update();
buf << "UPDATE " << table_name() << " SET ";
auto size = _dirty_keys.size();
for (auto &key : _dirty_keys) {
size -= 1;
buf << key << " = '" << _fields[key] << "'";
if (0 < size) {
buf << ", ";
}
}
buf << " WHERE id = " << _fields["id"];
}
_connection->execute_sql(buf.str());
if (_new_record) {
auto id = _connection->last_row_id();
_set_field("id", fmt::format("{0}", id));
after_create();
} else {
after_update();
}
after_save();
return Status::ok();
}
