1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
{-|
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)
import Servant.Client (ClientM, client)
import Web.OpenWeatherMap.Types.CurrentWeather (CurrentWeather)
import Web.OpenWeatherMap.Types.ForecastWeather (ForecastWeather)
type GetCurrentWeather = AppId :> Get '[ JSON] CurrentWeather
type GetForecastWeather = AppId :> Get '[ JSON] ForecastWeather
type AppId = QueryParam "appid" String
type Current
= "weather" :> QueryParam "q" String :> GetCurrentWeather :<|> "weather" :> QueryParam "lat" Double :> QueryParam "lon" Double :> GetCurrentWeather
type Forecast
= "forecast" :> QueryParam "q" String :> GetForecastWeather :<|> "forecast" :> QueryParam "lat" Double :> QueryParam "lon" Double :> GetForecastWeather
type API = Current :<|> Forecast
-- | 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
-- | Request forecast weather in the city.
forecastByName ::
Maybe String -- ^ City name, e. g. \"Moscow\" or \"Moscow,ru\".
-> Maybe String -- ^ API key.
-> ClientM ForecastWeather
-- | Request current weather at the geographic coordinates (in decimal degrees).
forecastByCoord ::
Maybe Double -- ^ Latitude, e. g. 55.7522200 for Moscow.
-> Maybe Double -- ^ Longitude, e. g. 37.6155600 for Moscow.
-> Maybe String -- ^ API key.
-> ClientM ForecastWeather
(weatherByName :<|> weatherByCoord) :<|> (forecastByName :<|> forecastByCoord) =
client (Proxy :: Proxy API)
|
