@startuml

actor User as u
collections LOMS as l
database OrdersStorage as os

u -> l : gRPC Loms.OrderInfo\n\t- orderID int64
activate l

l -> os : order.GetByID()
alt order exists
  l -> u : Response: OK (code_id=0)\n\t- status\n\t- user\n\t- []items{}
else
  l -> u : Response: Not Found (code_id=5)
end

deactivate l

@enduml