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authorIgor Pashev <pashev.igor@gmail.com>2017-06-07 16:24:05 +0300
committerIgor Pashev <pashev.igor@gmail.com>2017-06-07 16:35:08 +0300
commit6f6e3d8ec76c59d6f403725e9b2a22b8f6680714 (patch)
tree45382bc0e03032ffa09b7b63afdc45e243e60f4f /lib/Web/OpenWeatherMap/API.hs
downloadopenweathermap-6f6e3d8ec76c59d6f403725e9b2a22b8f6680714.tar.gz
Initial version 0.0.00.0.0
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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
+) where
+
+import Data.Proxy (Proxy(..))
+
+import Servant.API ((:>), (:<|>)(..), JSON, Get, QueryParam)
+import Servant.Client (client)
+import Servant.Common.Req (ClientM)
+
+import Web.OpenWeatherMap.Types.CurrentWeather (CurrentWeather)
+
+
+type GetCurrentWeather = AppId :> Get '[JSON] CurrentWeather
+type AppId = QueryParam "appid" String
+
+type API
+ = "weather" :> QueryParam "q" String :> GetCurrentWeather
+ :<|> "weather" :> QueryParam "lat" Double :> QueryParam "lon" Double
+ :> GetCurrentWeather
+
+-- | Request current weather in the city.
+weatherByName
+ :: Maybe String -- ^ City name, e. g. \"Moscow\" or \"Moscow,ru\".
+ -> Maybe String -- ^ API key.
+ -> ClientM CurrentWeather
+
+-- | Request current weather at the geographic coordinates (in decimal degrees).
+weatherByCoord
+ :: Maybe Double -- ^ Latitude, e. g. 55.7522200 for Moscow.
+ -> Maybe Double -- ^ Longitude, e. g. 37.6155600 for Moscow.
+ -> Maybe String -- ^ API key.
+ -> ClientM CurrentWeather
+
+weatherByName :<|> weatherByCoord = client (Proxy :: Proxy API)
+