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| {-# LANGUAGE OverloadedStrings #-} | |
| module NMA where | |
| import Control.Lens | |
| import Control.Monad (guard) | |
| import Data.Semigroup ((<>)) | |
| import Network.Wreq (post, FormParam(..), responseBody, responseStatus, statusCode) | |
| import Text.Read (readEither) | |
| import qualified Data.ByteString as BS | |
| import qualified Data.ByteString.Char8 as C | |
| import qualified Data.ByteString.Lazy as L | |
| import qualified Data.Text as T | |
| import qualified Xeno.SAX as X | |
| data PriorityLevel = VeryLow | Moderate | Normal | High | Emergency | |
| deriving(Enum) | |
| data Notification = Notification { | |
| application :: T.Text | |
| , description :: T.Text | |
| , event :: T.Text | |
| , priority :: PriorityLevel | |
| , url :: T.Text | |
| , contentType :: T.Text | |
| } | |
| class Paramer a where | |
| params :: a -> [FormParam] | |
| instance Paramer Notification where | |
| params n = | |
| ["application" := application n, | |
| "description" := description n, | |
| "event" := event n, | |
| "priority" := (subtract 2.fromEnum.priority) n, | |
| "url" := url n, | |
| "contentType" := contentType n] | |
| data NMA = NMA { | |
| apiKey :: [T.Text] | |
| , developerKey :: T.Text | |
| } | |
| instance Paramer NMA where | |
| params n = ["apikey" := x | x <- apiKey n] <> ["developerkey" := developerKey n] | |
| -- Msg, Calls Remaining, Time Left. | |
| data Response = Response { msg :: T.Text, remaining :: Int, timeLeft :: Int } | |
| deriving (Show) | |
| parseResponse :: BS.ByteString -> Either String Response | |
| parseResponse b = | |
| case X.fold open attr end txt close cdata (Right $ Response "" 0 0) b of | |
| Left x -> (Left . show) x | |
| Right s -> s | |
| where open = const | |
| attr (Right r) "remaining" x = (\n -> r { remaining = n}) <$> eread x | |
| attr (Right r) "resettimer" x = (\n -> r { timeLeft = n}) <$> eread x | |
| attr r _ _ = r | |
| -- attr helper | |
| eread = readEither . C.unpack | |
| end = const | |
| txt (Right (Response m c t)) x = Right (Response (m <> (T.pack . C.unpack) x) c t) | |
| txt x _ = x | |
| close (Right (Response m _ t)) "error" = Left (T.unpack m <> " - " <> show t <> "s left") | |
| close x _ = x | |
| cdata = const | |
| notify :: NMA -> Notification -> IO (Either String Response) | |
| notify nma not = do | |
| let opts = params nma <> params not | |
| r <- post "https://www.notifymyandroid.com/publicapi/notify" opts | |
| guard $ r ^. responseStatus . statusCode == 200 | |
| pure $ parseResponse $ L.toStrict $ r ^. responseBody |
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