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

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

-- |
-- Module      : Amazonka.Greengrass.ListGroups
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Retrieves a list of groups.
--
-- This operation returns paginated results.
module Amazonka.Greengrass.ListGroups
  ( -- * Creating a Request
    ListGroups (..),
    newListGroups,

    -- * Request Lenses
    listGroups_maxResults,
    listGroups_nextToken,

    -- * Destructuring the Response
    ListGroupsResponse (..),
    newListGroupsResponse,

    -- * Response Lenses
    listGroupsResponse_groups,
    listGroupsResponse_nextToken,
    listGroupsResponse_httpStatus,
  )
where

import qualified Amazonka.Core as Core
import qualified Amazonka.Core.Lens.Internal as Lens
import qualified Amazonka.Data as Data
import Amazonka.Greengrass.Types
import qualified Amazonka.Prelude as Prelude
import qualified Amazonka.Request as Request
import qualified Amazonka.Response as Response

-- | /See:/ 'newListGroups' smart constructor.
data ListGroups = ListGroups'
  { -- | The maximum number of results to be returned per request.
    ListGroups -> Maybe Text
maxResults :: Prelude.Maybe Prelude.Text,
    -- | The token for the next set of results, or \'\'null\'\' if there are no
    -- additional results.
    ListGroups -> Maybe Text
nextToken :: Prelude.Maybe Prelude.Text
  }
  deriving (ListGroups -> ListGroups -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: ListGroups -> ListGroups -> Bool
$c/= :: ListGroups -> ListGroups -> Bool
== :: ListGroups -> ListGroups -> Bool
$c== :: ListGroups -> ListGroups -> Bool
Prelude.Eq, ReadPrec [ListGroups]
ReadPrec ListGroups
Int -> ReadS ListGroups
ReadS [ListGroups]
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [ListGroups]
$creadListPrec :: ReadPrec [ListGroups]
readPrec :: ReadPrec ListGroups
$creadPrec :: ReadPrec ListGroups
readList :: ReadS [ListGroups]
$creadList :: ReadS [ListGroups]
readsPrec :: Int -> ReadS ListGroups
$creadsPrec :: Int -> ReadS ListGroups
Prelude.Read, Int -> ListGroups -> ShowS
[ListGroups] -> ShowS
ListGroups -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [ListGroups] -> ShowS
$cshowList :: [ListGroups] -> ShowS
show :: ListGroups -> String
$cshow :: ListGroups -> String
showsPrec :: Int -> ListGroups -> ShowS
$cshowsPrec :: Int -> ListGroups -> ShowS
Prelude.Show, forall x. Rep ListGroups x -> ListGroups
forall x. ListGroups -> Rep ListGroups x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x. Rep ListGroups x -> ListGroups
$cfrom :: forall x. ListGroups -> Rep ListGroups x
Prelude.Generic)

-- |
-- Create a value of 'ListGroups' 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:
--
-- 'maxResults', 'listGroups_maxResults' - The maximum number of results to be returned per request.
--
-- 'nextToken', 'listGroups_nextToken' - The token for the next set of results, or \'\'null\'\' if there are no
-- additional results.
newListGroups ::
  ListGroups
newListGroups :: ListGroups
newListGroups =
  ListGroups'
    { $sel:maxResults:ListGroups' :: Maybe Text
maxResults = forall a. Maybe a
Prelude.Nothing,
      $sel:nextToken:ListGroups' :: Maybe Text
nextToken = forall a. Maybe a
Prelude.Nothing
    }

-- | The maximum number of results to be returned per request.
listGroups_maxResults :: Lens.Lens' ListGroups (Prelude.Maybe Prelude.Text)
listGroups_maxResults :: Lens' ListGroups (Maybe Text)
listGroups_maxResults = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\ListGroups' {Maybe Text
maxResults :: Maybe Text
$sel:maxResults:ListGroups' :: ListGroups -> Maybe Text
maxResults} -> Maybe Text
maxResults) (\s :: ListGroups
s@ListGroups' {} Maybe Text
a -> ListGroups
s {$sel:maxResults:ListGroups' :: Maybe Text
maxResults = Maybe Text
a} :: ListGroups)

-- | The token for the next set of results, or \'\'null\'\' if there are no
-- additional results.
listGroups_nextToken :: Lens.Lens' ListGroups (Prelude.Maybe Prelude.Text)
listGroups_nextToken :: Lens' ListGroups (Maybe Text)
listGroups_nextToken = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\ListGroups' {Maybe Text
nextToken :: Maybe Text
$sel:nextToken:ListGroups' :: ListGroups -> Maybe Text
nextToken} -> Maybe Text
nextToken) (\s :: ListGroups
s@ListGroups' {} Maybe Text
a -> ListGroups
s {$sel:nextToken:ListGroups' :: Maybe Text
nextToken = Maybe Text
a} :: ListGroups)

instance Core.AWSPager ListGroups where
  page :: ListGroups -> AWSResponse ListGroups -> Maybe ListGroups
page ListGroups
rq AWSResponse ListGroups
rs
    | forall a. AWSTruncated a => a -> Bool
Core.stop
        ( AWSResponse ListGroups
rs
            forall s a. s -> Getting (First a) s a -> Maybe a
Lens.^? Lens' ListGroupsResponse (Maybe Text)
listGroupsResponse_nextToken
            forall b c a. (b -> c) -> (a -> b) -> a -> c
Prelude.. forall a b. Prism (Maybe a) (Maybe b) a b
Lens._Just
        ) =
        forall a. Maybe a
Prelude.Nothing
    | forall a. AWSTruncated a => a -> Bool
Core.stop
        ( AWSResponse ListGroups
rs
            forall s a. s -> Getting (First a) s a -> Maybe a
Lens.^? Lens' ListGroupsResponse (Maybe [GroupInformation])
listGroupsResponse_groups
            forall b c a. (b -> c) -> (a -> b) -> a -> c
Prelude.. forall a b. Prism (Maybe a) (Maybe b) a b
Lens._Just
        ) =
        forall a. Maybe a
Prelude.Nothing
    | Bool
Prelude.otherwise =
        forall a. a -> Maybe a
Prelude.Just
          forall a b. (a -> b) -> a -> b
Prelude.$ ListGroups
rq
          forall a b. a -> (a -> b) -> b
Prelude.& Lens' ListGroups (Maybe Text)
listGroups_nextToken
          forall s t a b. ASetter s t a b -> b -> s -> t
Lens..~ AWSResponse ListGroups
rs
          forall s a. s -> Getting (First a) s a -> Maybe a
Lens.^? Lens' ListGroupsResponse (Maybe Text)
listGroupsResponse_nextToken
          forall b c a. (b -> c) -> (a -> b) -> a -> c
Prelude.. forall a b. Prism (Maybe a) (Maybe b) a b
Lens._Just

instance Core.AWSRequest ListGroups where
  type AWSResponse ListGroups = ListGroupsResponse
  request :: (Service -> Service) -> ListGroups -> Request ListGroups
request Service -> Service
overrides =
    forall a. ToRequest a => Service -> a -> Request a
Request.get (Service -> Service
overrides Service
defaultService)
  response :: forall (m :: * -> *).
MonadResource m =>
(ByteStringLazy -> IO ByteStringLazy)
-> Service
-> Proxy ListGroups
-> ClientResponse ClientBody
-> m (Either Error (ClientResponse (AWSResponse ListGroups)))
response =
    forall (m :: * -> *) a.
MonadResource m =>
(Int -> ResponseHeaders -> Object -> Either String (AWSResponse a))
-> (ByteStringLazy -> IO ByteStringLazy)
-> Service
-> Proxy a
-> ClientResponse ClientBody
-> m (Either Error (ClientResponse (AWSResponse a)))
Response.receiveJSON
      ( \Int
s ResponseHeaders
h Object
x ->
          Maybe [GroupInformation] -> Maybe Text -> Int -> ListGroupsResponse
ListGroupsResponse'
            forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
Prelude.<$> (Object
x forall a. FromJSON a => Object -> Key -> Either String (Maybe a)
Data..?> Key
"Groups" forall (f :: * -> *) a. Functor f => f (Maybe a) -> a -> f a
Core..!@ forall a. Monoid a => a
Prelude.mempty)
            forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
Prelude.<*> (Object
x forall a. FromJSON a => Object -> Key -> Either String (Maybe a)
Data..?> Key
"NextToken")
            forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
Prelude.<*> (forall (f :: * -> *) a. Applicative f => a -> f a
Prelude.pure (forall a. Enum a => a -> Int
Prelude.fromEnum Int
s))
      )

instance Prelude.Hashable ListGroups where
  hashWithSalt :: Int -> ListGroups -> Int
hashWithSalt Int
_salt ListGroups' {Maybe Text
nextToken :: Maybe Text
maxResults :: Maybe Text
$sel:nextToken:ListGroups' :: ListGroups -> Maybe Text
$sel:maxResults:ListGroups' :: ListGroups -> Maybe Text
..} =
    Int
_salt
      forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` Maybe Text
maxResults
      forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` Maybe Text
nextToken

instance Prelude.NFData ListGroups where
  rnf :: ListGroups -> ()
rnf ListGroups' {Maybe Text
nextToken :: Maybe Text
maxResults :: Maybe Text
$sel:nextToken:ListGroups' :: ListGroups -> Maybe Text
$sel:maxResults:ListGroups' :: ListGroups -> Maybe Text
..} =
    forall a. NFData a => a -> ()
Prelude.rnf Maybe Text
maxResults
      seq :: forall a b. a -> b -> b
`Prelude.seq` forall a. NFData a => a -> ()
Prelude.rnf Maybe Text
nextToken

instance Data.ToHeaders ListGroups where
  toHeaders :: ListGroups -> ResponseHeaders
toHeaders =
    forall a b. a -> b -> a
Prelude.const
      ( forall a. Monoid a => [a] -> a
Prelude.mconcat
          [ HeaderName
"Content-Type"
              forall a. ToHeader a => HeaderName -> a -> ResponseHeaders
Data.=# ( ByteString
"application/x-amz-json-1.1" ::
                          Prelude.ByteString
                      )
          ]
      )

instance Data.ToPath ListGroups where
  toPath :: ListGroups -> ByteString
toPath = forall a b. a -> b -> a
Prelude.const ByteString
"/greengrass/groups"

instance Data.ToQuery ListGroups where
  toQuery :: ListGroups -> QueryString
toQuery ListGroups' {Maybe Text
nextToken :: Maybe Text
maxResults :: Maybe Text
$sel:nextToken:ListGroups' :: ListGroups -> Maybe Text
$sel:maxResults:ListGroups' :: ListGroups -> Maybe Text
..} =
    forall a. Monoid a => [a] -> a
Prelude.mconcat
      [ ByteString
"MaxResults" forall a. ToQuery a => ByteString -> a -> QueryString
Data.=: Maybe Text
maxResults,
        ByteString
"NextToken" forall a. ToQuery a => ByteString -> a -> QueryString
Data.=: Maybe Text
nextToken
      ]

-- | /See:/ 'newListGroupsResponse' smart constructor.
data ListGroupsResponse = ListGroupsResponse'
  { -- | Information about a group.
    ListGroupsResponse -> Maybe [GroupInformation]
groups :: Prelude.Maybe [GroupInformation],
    -- | The token for the next set of results, or \'\'null\'\' if there are no
    -- additional results.
    ListGroupsResponse -> Maybe Text
nextToken :: Prelude.Maybe Prelude.Text,
    -- | The response's http status code.
    ListGroupsResponse -> Int
httpStatus :: Prelude.Int
  }
  deriving (ListGroupsResponse -> ListGroupsResponse -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: ListGroupsResponse -> ListGroupsResponse -> Bool
$c/= :: ListGroupsResponse -> ListGroupsResponse -> Bool
== :: ListGroupsResponse -> ListGroupsResponse -> Bool
$c== :: ListGroupsResponse -> ListGroupsResponse -> Bool
Prelude.Eq, ReadPrec [ListGroupsResponse]
ReadPrec ListGroupsResponse
Int -> ReadS ListGroupsResponse
ReadS [ListGroupsResponse]
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [ListGroupsResponse]
$creadListPrec :: ReadPrec [ListGroupsResponse]
readPrec :: ReadPrec ListGroupsResponse
$creadPrec :: ReadPrec ListGroupsResponse
readList :: ReadS [ListGroupsResponse]
$creadList :: ReadS [ListGroupsResponse]
readsPrec :: Int -> ReadS ListGroupsResponse
$creadsPrec :: Int -> ReadS ListGroupsResponse
Prelude.Read, Int -> ListGroupsResponse -> ShowS
[ListGroupsResponse] -> ShowS
ListGroupsResponse -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [ListGroupsResponse] -> ShowS
$cshowList :: [ListGroupsResponse] -> ShowS
show :: ListGroupsResponse -> String
$cshow :: ListGroupsResponse -> String
showsPrec :: Int -> ListGroupsResponse -> ShowS
$cshowsPrec :: Int -> ListGroupsResponse -> ShowS
Prelude.Show, forall x. Rep ListGroupsResponse x -> ListGroupsResponse
forall x. ListGroupsResponse -> Rep ListGroupsResponse x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x. Rep ListGroupsResponse x -> ListGroupsResponse
$cfrom :: forall x. ListGroupsResponse -> Rep ListGroupsResponse x
Prelude.Generic)

-- |
-- Create a value of 'ListGroupsResponse' 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:
--
-- 'groups', 'listGroupsResponse_groups' - Information about a group.
--
-- 'nextToken', 'listGroupsResponse_nextToken' - The token for the next set of results, or \'\'null\'\' if there are no
-- additional results.
--
-- 'httpStatus', 'listGroupsResponse_httpStatus' - The response's http status code.
newListGroupsResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListGroupsResponse
newListGroupsResponse :: Int -> ListGroupsResponse
newListGroupsResponse Int
pHttpStatus_ =
  ListGroupsResponse'
    { $sel:groups:ListGroupsResponse' :: Maybe [GroupInformation]
groups = forall a. Maybe a
Prelude.Nothing,
      $sel:nextToken:ListGroupsResponse' :: Maybe Text
nextToken = forall a. Maybe a
Prelude.Nothing,
      $sel:httpStatus:ListGroupsResponse' :: Int
httpStatus = Int
pHttpStatus_
    }

-- | Information about a group.
listGroupsResponse_groups :: Lens.Lens' ListGroupsResponse (Prelude.Maybe [GroupInformation])
listGroupsResponse_groups :: Lens' ListGroupsResponse (Maybe [GroupInformation])
listGroupsResponse_groups = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\ListGroupsResponse' {Maybe [GroupInformation]
groups :: Maybe [GroupInformation]
$sel:groups:ListGroupsResponse' :: ListGroupsResponse -> Maybe [GroupInformation]
groups} -> Maybe [GroupInformation]
groups) (\s :: ListGroupsResponse
s@ListGroupsResponse' {} Maybe [GroupInformation]
a -> ListGroupsResponse
s {$sel:groups:ListGroupsResponse' :: Maybe [GroupInformation]
groups = Maybe [GroupInformation]
a} :: ListGroupsResponse) 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

-- | The token for the next set of results, or \'\'null\'\' if there are no
-- additional results.
listGroupsResponse_nextToken :: Lens.Lens' ListGroupsResponse (Prelude.Maybe Prelude.Text)
listGroupsResponse_nextToken :: Lens' ListGroupsResponse (Maybe Text)
listGroupsResponse_nextToken = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\ListGroupsResponse' {Maybe Text
nextToken :: Maybe Text
$sel:nextToken:ListGroupsResponse' :: ListGroupsResponse -> Maybe Text
nextToken} -> Maybe Text
nextToken) (\s :: ListGroupsResponse
s@ListGroupsResponse' {} Maybe Text
a -> ListGroupsResponse
s {$sel:nextToken:ListGroupsResponse' :: Maybe Text
nextToken = Maybe Text
a} :: ListGroupsResponse)

-- | The response's http status code.
listGroupsResponse_httpStatus :: Lens.Lens' ListGroupsResponse Prelude.Int
listGroupsResponse_httpStatus :: Lens' ListGroupsResponse Int
listGroupsResponse_httpStatus = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\ListGroupsResponse' {Int
httpStatus :: Int
$sel:httpStatus:ListGroupsResponse' :: ListGroupsResponse -> Int
httpStatus} -> Int
httpStatus) (\s :: ListGroupsResponse
s@ListGroupsResponse' {} Int
a -> ListGroupsResponse
s {$sel:httpStatus:ListGroupsResponse' :: Int
httpStatus = Int
a} :: ListGroupsResponse)

instance Prelude.NFData ListGroupsResponse where
  rnf :: ListGroupsResponse -> ()
rnf ListGroupsResponse' {Int
Maybe [GroupInformation]
Maybe Text
httpStatus :: Int
nextToken :: Maybe Text
groups :: Maybe [GroupInformation]
$sel:httpStatus:ListGroupsResponse' :: ListGroupsResponse -> Int
$sel:nextToken:ListGroupsResponse' :: ListGroupsResponse -> Maybe Text
$sel:groups:ListGroupsResponse' :: ListGroupsResponse -> Maybe [GroupInformation]
..} =
    forall a. NFData a => a -> ()
Prelude.rnf Maybe [GroupInformation]
groups
      seq :: forall a b. a -> b -> b
`Prelude.seq` forall a. NFData a => a -> ()
Prelude.rnf Maybe Text
nextToken
      seq :: forall a b. a -> b -> b
`Prelude.seq` forall a. NFData a => a -> ()
Prelude.rnf Int
httpStatus