CloudWatchAlarmDimension.hs

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

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-cw-dimension.html

module Stratosphere.ResourceProperties.CloudWatchAlarmDimension 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 CloudWatchAlarmDimension. See
-- | 'cloudWatchAlarmDimension' for a more convenient constructor.
data CloudWatchAlarmDimension =
  CloudWatchAlarmDimension
  { _cloudWatchAlarmDimensionName :: Val Text
  , _cloudWatchAlarmDimensionValue :: Val Text
  } deriving (Show, Eq)

instance ToJSON CloudWatchAlarmDimension where
  toJSON CloudWatchAlarmDimension{..} =
    object $
    catMaybes
    [ Just ("Name" .= _cloudWatchAlarmDimensionName)
    , Just ("Value" .= _cloudWatchAlarmDimensionValue)
    ]

instance FromJSON CloudWatchAlarmDimension where
  parseJSON (Object obj) =
    CloudWatchAlarmDimension <$>
      obj .: "Name" <*>
      obj .: "Value"
  parseJSON _ = mempty

-- | Constructor for 'CloudWatchAlarmDimension' containing required fields as
-- | arguments.
cloudWatchAlarmDimension
  :: Val Text -- ^ 'cwadName'
  -> Val Text -- ^ 'cwadValue'
  -> CloudWatchAlarmDimension
cloudWatchAlarmDimension namearg valuearg =
  CloudWatchAlarmDimension
  { _cloudWatchAlarmDimensionName = namearg
  , _cloudWatchAlarmDimensionValue = valuearg
  }

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-cw-dimension.html#cfn-cloudwatch-alarm-dimension-name
cwadName :: Lens' CloudWatchAlarmDimension (Val Text)
cwadName = lens _cloudWatchAlarmDimensionName (\s a -> s { _cloudWatchAlarmDimensionName = a })

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-cw-dimension.html#cfn-cloudwatch-alarm-dimension-value
cwadValue :: Lens' CloudWatchAlarmDimension (Val Text)
cwadValue = lens _cloudWatchAlarmDimensionValue (\s a -> s { _cloudWatchAlarmDimensionValue = a })