std::string CrowService::ParseKVRequest()

in service/http_server/crow_service.cpp [480:513]

• 33 lines of code
• 5 McCabe index (conditional complexity)

std::string CrowService::ParseKVRequest(const KVRequest &kv_request) {
  rapidjson::Document doc;
  if (kv_request.cmd() == 1) { // SET
    doc.SetObject();
    rapidjson::Document::AllocatorType &allocator = doc.GetAllocator();
    rapidjson::Value val(rapidjson::kObjectType);
    doc.AddMember("cmd", "SET", allocator);
    doc.AddMember("key", kv_request.key(), allocator);
    doc.AddMember("value", kv_request.value(), allocator);
  } else if (kv_request.cmd() == 2) { // GET
    doc.SetObject();
    rapidjson::Document::AllocatorType &allocator = doc.GetAllocator();
    rapidjson::Value val(rapidjson::kObjectType);
    doc.AddMember("cmd", "GET", allocator);
    doc.AddMember("key", kv_request.key(), allocator);
  } else if (kv_request.cmd() == 3) { // GETALLVALUES
    doc.SetObject();
    rapidjson::Document::AllocatorType &allocator = doc.GetAllocator();
    rapidjson::Value val(rapidjson::kObjectType);
    doc.AddMember("cmd", "GETALLVALUES", allocator);
  } else if (kv_request.cmd() == 4) { // GETRANGE
    doc.SetObject();
    rapidjson::Document::AllocatorType &allocator = doc.GetAllocator();
    rapidjson::Value val(rapidjson::kObjectType);
    doc.AddMember("cmd", "GETRANGE", allocator);
    doc.AddMember("min_key", kv_request.key(), allocator);
    doc.AddMember("max_key", kv_request.value(), allocator);
  }

  rapidjson::StringBuffer buffer;
  rapidjson::Writer<rapidjson::StringBuffer> writer(buffer);
  doc.Accept(writer);
  return buffer.GetString();
}