Network.Transportation.Germany.DVB.Monitor

Documentation

data MonitorRequest

All data sent to DVB to monitor a stop.

Constructors

MonitorRequest

Fields

• monitorReqCity :: City
• monitorReqStop :: Location
• monitorReqOffset :: Integer
• monitorReqLimit :: Integer

Instances

Show MonitorRequest

Methods

showsPrec :: Int -> MonitorRequest -> ShowS

show :: MonitorRequest -> String

showList :: [MonitorRequest] -> ShowS

type MonitorResult = Either Error [TransitConnection]

Either monitor data or an error.

data TransitConnection

An arriving vehicle at the stop.

Constructors

TransitConnection

Fields

• transConnNumber :: String
• transConnDesc :: String
• transConnArrivalMinutes :: Integer

Instances

Show TransitConnection

Methods

showsPrec :: Int -> TransitConnection -> ShowS

show :: TransitConnection -> String

showList :: [TransitConnection] -> ShowS

data Error

All possible errors which could occur while fetching data, including HTTP errors and JSON parsing errors.

Constructors

HttpResetError

HttpClosedError

HttpParseError String

HttpMiscError String

JsonParseError String

Instances

Show Error

Methods

showsPrec :: Int -> Error -> ShowS

show :: Error -> String

showList :: [Error] -> ShowS

monitor :: MonitorRequest -> IO MonitorResult

Given information about a stop, query and return data from DVB about vehicles stopping there.