{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE DuplicateRecordFields #-}
{-# LANGUAGE NamedFieldPuns #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RecordWildCards #-}
{-# LANGUAGE StrictData #-}
{-# LANGUAGE NoImplicitPrelude #-}
{-# OPTIONS_GHC -fno-warn-unused-imports #-}
{-# OPTIONS_GHC -fno-warn-unused-matches #-}

-- Derived from AWS service descriptions, licensed under Apache 2.0.

-- |
-- Module      : Amazonka.Pipes.Types.FilterCriteria
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
module Amazonka.Pipes.Types.FilterCriteria where

import qualified Amazonka.Core as Core
import qualified Amazonka.Core.Lens.Internal as Lens
import qualified Amazonka.Data as Data
import Amazonka.Pipes.Types.Filter
import qualified Amazonka.Prelude as Prelude

-- | The collection of event patterns used to filter events. For more
-- information, see
-- <https://docs.aws.amazon.com/eventbridge/latest/userguide/eventbridge-and-event-patterns.html Events and Event Patterns>
-- in the /Amazon EventBridge User Guide/.
--
-- /See:/ 'newFilterCriteria' smart constructor.
data FilterCriteria = FilterCriteria'
  { -- | The event patterns.
    FilterCriteria -> Maybe [Filter]
filters :: Prelude.Maybe [Filter]
  }
  deriving (FilterCriteria -> FilterCriteria -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: FilterCriteria -> FilterCriteria -> Bool
$c/= :: FilterCriteria -> FilterCriteria -> Bool
== :: FilterCriteria -> FilterCriteria -> Bool
$c== :: FilterCriteria -> FilterCriteria -> Bool
Prelude.Eq, Int -> FilterCriteria -> ShowS
[FilterCriteria] -> ShowS
FilterCriteria -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [FilterCriteria] -> ShowS
$cshowList :: [FilterCriteria] -> ShowS
show :: FilterCriteria -> String
$cshow :: FilterCriteria -> String
showsPrec :: Int -> FilterCriteria -> ShowS
$cshowsPrec :: Int -> FilterCriteria -> ShowS
Prelude.Show, forall x. Rep FilterCriteria x -> FilterCriteria
forall x. FilterCriteria -> Rep FilterCriteria x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x. Rep FilterCriteria x -> FilterCriteria
$cfrom :: forall x. FilterCriteria -> Rep FilterCriteria x
Prelude.Generic)

-- |
-- Create a value of 'FilterCriteria' with all optional fields omitted.
--
-- Use <https://hackage.haskell.org/package/generic-lens generic-lens> or <https://hackage.haskell.org/package/optics optics> to modify other optional fields.
--
-- The following record fields are available, with the corresponding lenses provided
-- for backwards compatibility:
--
-- 'filters', 'filterCriteria_filters' - The event patterns.
newFilterCriteria ::
  FilterCriteria
newFilterCriteria :: FilterCriteria
newFilterCriteria =
  FilterCriteria' {$sel:filters:FilterCriteria' :: Maybe [Filter]
filters = forall a. Maybe a
Prelude.Nothing}

-- | The event patterns.
filterCriteria_filters :: Lens.Lens' FilterCriteria (Prelude.Maybe [Filter])
filterCriteria_filters :: Lens' FilterCriteria (Maybe [Filter])
filterCriteria_filters = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\FilterCriteria' {Maybe [Filter]
filters :: Maybe [Filter]
$sel:filters:FilterCriteria' :: FilterCriteria -> Maybe [Filter]
filters} -> Maybe [Filter]
filters) (\s :: FilterCriteria
s@FilterCriteria' {} Maybe [Filter]
a -> FilterCriteria
s {$sel:filters:FilterCriteria' :: Maybe [Filter]
filters = Maybe [Filter]
a} :: FilterCriteria) forall b c a. (b -> c) -> (a -> b) -> a -> c
Prelude.. forall (f :: * -> *) (g :: * -> *) s t a b.
(Functor f, Functor g) =>
AnIso s t a b -> Iso (f s) (g t) (f a) (g b)
Lens.mapping forall s t a b. (Coercible s a, Coercible t b) => Iso s t a b
Lens.coerced

instance Data.FromJSON FilterCriteria where
  parseJSON :: Value -> Parser FilterCriteria
parseJSON =
    forall a. String -> (Object -> Parser a) -> Value -> Parser a
Data.withObject
      String
"FilterCriteria"
      ( \Object
x ->
          Maybe [Filter] -> FilterCriteria
FilterCriteria'
            forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
Prelude.<$> (Object
x forall a. FromJSON a => Object -> Key -> Parser (Maybe a)
Data..:? Key
"Filters" forall a. Parser (Maybe a) -> a -> Parser a
Data..!= forall a. Monoid a => a
Prelude.mempty)
      )

instance Prelude.Hashable FilterCriteria where
  hashWithSalt :: Int -> FilterCriteria -> Int
hashWithSalt Int
_salt FilterCriteria' {Maybe [Filter]
filters :: Maybe [Filter]
$sel:filters:FilterCriteria' :: FilterCriteria -> Maybe [Filter]
..} =
    Int
_salt forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` Maybe [Filter]
filters

instance Prelude.NFData FilterCriteria where
  rnf :: FilterCriteria -> ()
rnf FilterCriteria' {Maybe [Filter]
filters :: Maybe [Filter]
$sel:filters:FilterCriteria' :: FilterCriteria -> Maybe [Filter]
..} = forall a. NFData a => a -> ()
Prelude.rnf Maybe [Filter]
filters

instance Data.ToJSON FilterCriteria where
  toJSON :: FilterCriteria -> Value
toJSON FilterCriteria' {Maybe [Filter]
filters :: Maybe [Filter]
$sel:filters:FilterCriteria' :: FilterCriteria -> Maybe [Filter]
..} =
    [Pair] -> Value
Data.object
      ( forall a. [Maybe a] -> [a]
Prelude.catMaybes
          [(Key
"Filters" forall kv v. (KeyValue kv, ToJSON v) => Key -> v -> kv
Data..=) forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
Prelude.<$> Maybe [Filter]
filters]
      )