WAFWebACL.hs

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

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-waf-webacl.html

module Stratosphere.Resources.WAFWebACL where

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

import Stratosphere.Values
import Stratosphere.ResourceProperties.WAFWebACLWafAction
import Stratosphere.ResourceProperties.WAFWebACLActivatedRule

-- | Full data type definition for WAFWebACL. See 'wafWebACL' for a more
-- convenient constructor.
data WAFWebACL =
  WAFWebACL
  { _wAFWebACLDefaultAction :: WAFWebACLWafAction
  , _wAFWebACLMetricName :: Val Text
  , _wAFWebACLName :: Val Text
  , _wAFWebACLRules :: Maybe [WAFWebACLActivatedRule]
  } deriving (Show, Eq)

instance ToJSON WAFWebACL where
  toJSON WAFWebACL{..} =
    object $
    catMaybes
    [ Just ("DefaultAction" .= _wAFWebACLDefaultAction)
    , Just ("MetricName" .= _wAFWebACLMetricName)
    , Just ("Name" .= _wAFWebACLName)
    , ("Rules" .=) <$> _wAFWebACLRules
    ]

instance FromJSON WAFWebACL where
  parseJSON (Object obj) =
    WAFWebACL <$>
      obj .: "DefaultAction" <*>
      obj .: "MetricName" <*>
      obj .: "Name" <*>
      obj .:? "Rules"
  parseJSON _ = mempty

-- | Constructor for 'WAFWebACL' containing required fields as arguments.
wafWebACL
  :: WAFWebACLWafAction -- ^ 'wafwaclDefaultAction'
  -> Val Text -- ^ 'wafwaclMetricName'
  -> Val Text -- ^ 'wafwaclName'
  -> WAFWebACL
wafWebACL defaultActionarg metricNamearg namearg =
  WAFWebACL
  { _wAFWebACLDefaultAction = defaultActionarg
  , _wAFWebACLMetricName = metricNamearg
  , _wAFWebACLName = namearg
  , _wAFWebACLRules = Nothing
  }

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-waf-webacl.html#cfn-waf-webacl-defaultaction
wafwaclDefaultAction :: Lens' WAFWebACL WAFWebACLWafAction
wafwaclDefaultAction = lens _wAFWebACLDefaultAction (\s a -> s { _wAFWebACLDefaultAction = a })

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-waf-webacl.html#cfn-waf-webacl-metricname
wafwaclMetricName :: Lens' WAFWebACL (Val Text)
wafwaclMetricName = lens _wAFWebACLMetricName (\s a -> s { _wAFWebACLMetricName = a })

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-waf-webacl.html#cfn-waf-webacl-name
wafwaclName :: Lens' WAFWebACL (Val Text)
wafwaclName = lens _wAFWebACLName (\s a -> s { _wAFWebACLName = a })

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-waf-webacl.html#cfn-waf-webacl-rules
wafwaclRules :: Lens' WAFWebACL (Maybe [WAFWebACLActivatedRule])
wafwaclRules = lens _wAFWebACLRules (\s a -> s { _wAFWebACLRules = a })