@startuml

[*] --> index : /

state index {
	state users
	users : *{id}
	users : *{osmid}
	users : *{task.cityname}
}
state form {
	state mapper {
		mapper : osmid
		mapper : task.cityname
	}
}

index --> index : /delete/{id}
index --> form : /edit/{id}
index --> form : /add
form --> index : /process[!hasErrors]
form --> form : /process[hasErrors]

@enduml