module Network.API.Telegram.Bot.Object.Chat.Group (Group (..)) where import "aeson" Data.Aeson (FromJSON (parseJSON), withObject, (.:), (.:?)) import "base" Control.Applicative ((<*>)) import "base" Control.Monad ((>>=), fail) import "base" Data.Function (($)) import "base" Data.Functor ((<$>)) import "base" Data.Int (Int64) import "base" Data.Maybe (Maybe) import "base" Text.Show (Show) import "text" Data.Text (Text) import Network.API.Telegram.Bot.Field (Title) import Network.API.Telegram.Bot.Property.Identifiable (Identifiable (Identificator, ident)) data Group = Basic Int64 Title | Super Int64 Title (Maybe Text) deriving Show instance Identifiable Group where type Identificator Group = Int64 ident (Basic i _ ) = i ident (Super i _ _) = i instance FromJSON Group where parseJSON = withObject "Group" $ \chat -> chat .: "type" >>= \case ("group" :: Text) -> Basic <$> chat .: "id" <*> chat .: "title" ("supergroup" :: Text) -> Super <$> chat .: "id" <*> chat .: "title" <*> chat .:? "description" _ -> fail "Neither group nor supergroup!"