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|
{-|
Direct API functions.
For API key (a.k.a appid) refer to <http://openweathermap.org/appid>.
-}
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE TypeOperators #-}
module Web.OpenWeatherMap.API
( weatherByName
, weatherByCoord
, forecastByName
, forecastByCoord
) where
import Data.Proxy (Proxy(..))
import Servant.API ((:<|>)(..), (:>), Get, JSON, QueryParam', Required, Strict)
import Servant.Client (ClientM, client)
import Web.OpenWeatherMap.Types.CurrentWeather (CurrentWeather)
import Web.OpenWeatherMap.Types.ForecastWeather (ForecastWeather)
type QueryParam = QueryParam' '[ Required, Strict]
type GetCurrentWeather = AppId :> Get '[ JSON] CurrentWeather
type GetForecastWeather = AppId :> Get '[ JSON] ForecastWeather
type AppId = QueryParam "appid" String
type Current
= "weather" :> (QueryParam "q" String :> GetCurrentWeather :<|> QueryParam "lat" Double :> QueryParam "lon" Double :> GetCurrentWeather)
type Forecast
= "forecast" :> (QueryParam "q" String :> GetForecastWeather :<|> QueryParam "lat" Double :> QueryParam "lon" Double :> GetForecastWeather)
type API = Current :<|> Forecast
-- | Request current weather in the city.
weatherByName ::
String -- ^ City name, e. g. \"Moscow\" or \"Moscow,ru\".
-> String -- ^ API key.
-> ClientM CurrentWeather
-- | Request current weather at the geographic coordinates (in decimal degrees).
weatherByCoord ::
Double -- ^ Latitude, e. g. 55.7522200 for Moscow.
-> Double -- ^ Longitude, e. g. 37.6155600 for Moscow.
-> String -- ^ API key.
-> ClientM CurrentWeather
-- | Request forecast weather in the city.
forecastByName ::
String -- ^ City name, e. g. \"Moscow\" or \"Moscow,ru\".
-> String -- ^ API key.
-> ClientM ForecastWeather
-- | Request current weather at the geographic coordinates (in decimal degrees).
forecastByCoord ::
Double -- ^ Latitude, e. g. 55.7522200 for Moscow.
-> Double -- ^ Longitude, e. g. 37.6155600 for Moscow.
-> String -- ^ API key.
-> ClientM ForecastWeather
(weatherByName :<|> weatherByCoord) :<|> (forecastByName :<|> forecastByCoord) =
client (Proxy :: Proxy API)
|
