LogsLogStream.hs

{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RecordWildCards #-}

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-logs-logstream.html

module Stratosphere.Resources.LogsLogStream where

import Control.Lens hiding ((.=))
import Data.Aeson
import Data.Maybe (catMaybes)
import Data.Monoid (mempty)
import Data.Text

import Stratosphere.Values


-- | Full data type definition for LogsLogStream. See 'logsLogStream' for a
-- | more convenient constructor.
data LogsLogStream =
  LogsLogStream
  { _logsLogStreamLogGroupName :: Val Text
  , _logsLogStreamLogStreamName :: Maybe (Val Text)
  } deriving (Show, Eq)

instance ToJSON LogsLogStream where
  toJSON LogsLogStream{..} =
    object $
    catMaybes
    [ Just ("LogGroupName" .= _logsLogStreamLogGroupName)
    , ("LogStreamName" .=) <$> _logsLogStreamLogStreamName
    ]

instance FromJSON LogsLogStream where
  parseJSON (Object obj) =
    LogsLogStream <$>
      obj .: "LogGroupName" <*>
      obj .:? "LogStreamName"
  parseJSON _ = mempty

-- | Constructor for 'LogsLogStream' containing required fields as arguments.
logsLogStream
  :: Val Text -- ^ 'llsLogGroupName'
  -> LogsLogStream
logsLogStream logGroupNamearg =
  LogsLogStream
  { _logsLogStreamLogGroupName = logGroupNamearg
  , _logsLogStreamLogStreamName = Nothing
  }

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-logs-logstream.html#cfn-logs-logstream-loggroupname
llsLogGroupName :: Lens' LogsLogStream (Val Text)
llsLogGroupName = lens _logsLogStreamLogGroupName (\s a -> s { _logsLogStreamLogGroupName = a })

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-logs-logstream.html#cfn-logs-logstream-logstreamname
llsLogStreamName :: Lens' LogsLogStream (Maybe (Val Text))
llsLogStreamName = lens _logsLogStreamLogStreamName (\s a -> s { _logsLogStreamLogStreamName = a })