{-# 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.CloudControl.ListResourceRequests
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Returns existing resource operation requests. This includes requests of
-- all status types. For more information, see
-- <https://docs.aws.amazon.com/cloudcontrolapi/latest/userguide/resource-operations-manage-requests.html#resource-operations-manage-requests-list Listing active resource operation requests>
-- in the /Amazon Web Services Cloud Control API User Guide/.
--
-- Resource operation requests expire after 7 days.
--
-- This operation returns paginated results.
module Amazonka.CloudControl.ListResourceRequests
  ( -- * Creating a Request
    ListResourceRequests (..),
    newListResourceRequests,

    -- * Request Lenses
    listResourceRequests_maxResults,
    listResourceRequests_nextToken,
    listResourceRequests_resourceRequestStatusFilter,

    -- * Destructuring the Response
    ListResourceRequestsResponse (..),
    newListResourceRequestsResponse,

    -- * Response Lenses
    listResourceRequestsResponse_nextToken,
    listResourceRequestsResponse_resourceRequestStatusSummaries,
    listResourceRequestsResponse_httpStatus,
  )
where

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

-- | /See:/ 'newListResourceRequests' smart constructor.
data ListResourceRequests = ListResourceRequests'
  { -- | The maximum number of results to be returned with a single call. If the
    -- number of available results exceeds this maximum, the response includes
    -- a @NextToken@ value that you can assign to the @NextToken@ request
    -- parameter to get the next set of results.
    --
    -- The default is @20@.
    maxResults :: Prelude.Maybe Prelude.Natural,
    -- | If the previous paginated request didn\'t return all of the remaining
    -- results, the response object\'s @NextToken@ parameter value is set to a
    -- token. To retrieve the next set of results, call this action again and
    -- assign that token to the request object\'s @NextToken@ parameter. If
    -- there are no remaining results, the previous response object\'s
    -- @NextToken@ parameter is set to @null@.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | The filter criteria to apply to the requests returned.
    resourceRequestStatusFilter :: Prelude.Maybe ResourceRequestStatusFilter
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListResourceRequests' 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', 'listResourceRequests_maxResults' - The maximum number of results to be returned with a single call. If the
-- number of available results exceeds this maximum, the response includes
-- a @NextToken@ value that you can assign to the @NextToken@ request
-- parameter to get the next set of results.
--
-- The default is @20@.
--
-- 'nextToken', 'listResourceRequests_nextToken' - If the previous paginated request didn\'t return all of the remaining
-- results, the response object\'s @NextToken@ parameter value is set to a
-- token. To retrieve the next set of results, call this action again and
-- assign that token to the request object\'s @NextToken@ parameter. If
-- there are no remaining results, the previous response object\'s
-- @NextToken@ parameter is set to @null@.
--
-- 'resourceRequestStatusFilter', 'listResourceRequests_resourceRequestStatusFilter' - The filter criteria to apply to the requests returned.
newListResourceRequests ::
  ListResourceRequests
newListResourceRequests =
  ListResourceRequests'
    { maxResults = Prelude.Nothing,
      nextToken = Prelude.Nothing,
      resourceRequestStatusFilter = Prelude.Nothing
    }

-- | The maximum number of results to be returned with a single call. If the
-- number of available results exceeds this maximum, the response includes
-- a @NextToken@ value that you can assign to the @NextToken@ request
-- parameter to get the next set of results.
--
-- The default is @20@.
listResourceRequests_maxResults :: Lens.Lens' ListResourceRequests (Prelude.Maybe Prelude.Natural)
listResourceRequests_maxResults = Lens.lens (\ListResourceRequests' {maxResults} -> maxResults) (\s@ListResourceRequests' {} a -> s {maxResults = a} :: ListResourceRequests)

-- | If the previous paginated request didn\'t return all of the remaining
-- results, the response object\'s @NextToken@ parameter value is set to a
-- token. To retrieve the next set of results, call this action again and
-- assign that token to the request object\'s @NextToken@ parameter. If
-- there are no remaining results, the previous response object\'s
-- @NextToken@ parameter is set to @null@.
listResourceRequests_nextToken :: Lens.Lens' ListResourceRequests (Prelude.Maybe Prelude.Text)
listResourceRequests_nextToken = Lens.lens (\ListResourceRequests' {nextToken} -> nextToken) (\s@ListResourceRequests' {} a -> s {nextToken = a} :: ListResourceRequests)

-- | The filter criteria to apply to the requests returned.
listResourceRequests_resourceRequestStatusFilter :: Lens.Lens' ListResourceRequests (Prelude.Maybe ResourceRequestStatusFilter)
listResourceRequests_resourceRequestStatusFilter = Lens.lens (\ListResourceRequests' {resourceRequestStatusFilter} -> resourceRequestStatusFilter) (\s@ListResourceRequests' {} a -> s {resourceRequestStatusFilter = a} :: ListResourceRequests)

instance Core.AWSPager ListResourceRequests where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? listResourceRequestsResponse_nextToken
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        ( rs
            Lens.^? listResourceRequestsResponse_resourceRequestStatusSummaries
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& listResourceRequests_nextToken
          Lens..~ rs
          Lens.^? listResourceRequestsResponse_nextToken
          Prelude.. Lens._Just

instance Core.AWSRequest ListResourceRequests where
  type
    AWSResponse ListResourceRequests =
      ListResourceRequestsResponse
  request overrides =
    Request.postJSON (overrides defaultService)
  response =
    Response.receiveJSON
      ( \s h x ->
          ListResourceRequestsResponse'
            Prelude.<$> (x Data..?> "NextToken")
            Prelude.<*> ( x
                            Data..?> "ResourceRequestStatusSummaries"
                            Core..!@ Prelude.mempty
                        )
            Prelude.<*> (Prelude.pure (Prelude.fromEnum s))
      )

instance Prelude.Hashable ListResourceRequests where
  hashWithSalt _salt ListResourceRequests' {..} =
    _salt
      `Prelude.hashWithSalt` maxResults
      `Prelude.hashWithSalt` nextToken
      `Prelude.hashWithSalt` resourceRequestStatusFilter

instance Prelude.NFData ListResourceRequests where
  rnf ListResourceRequests' {..} =
    Prelude.rnf maxResults
      `Prelude.seq` Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf resourceRequestStatusFilter

instance Data.ToHeaders ListResourceRequests where
  toHeaders =
    Prelude.const
      ( Prelude.mconcat
          [ "X-Amz-Target"
              Data.=# ( "CloudApiService.ListResourceRequests" ::
                          Prelude.ByteString
                      ),
            "Content-Type"
              Data.=# ( "application/x-amz-json-1.0" ::
                          Prelude.ByteString
                      )
          ]
      )

instance Data.ToJSON ListResourceRequests where
  toJSON ListResourceRequests' {..} =
    Data.object
      ( Prelude.catMaybes
          [ ("MaxResults" Data..=) Prelude.<$> maxResults,
            ("NextToken" Data..=) Prelude.<$> nextToken,
            ("ResourceRequestStatusFilter" Data..=)
              Prelude.<$> resourceRequestStatusFilter
          ]
      )

instance Data.ToPath ListResourceRequests where
  toPath = Prelude.const "/"

instance Data.ToQuery ListResourceRequests where
  toQuery = Prelude.const Prelude.mempty

-- | /See:/ 'newListResourceRequestsResponse' smart constructor.
data ListResourceRequestsResponse = ListResourceRequestsResponse'
  { -- | If the request doesn\'t return all of the remaining results, @NextToken@
    -- is set to a token. To retrieve the next set of results, call
    -- @ListResources@ again and assign that token to the request object\'s
    -- @NextToken@ parameter. If the request returns all results, @NextToken@
    -- is set to null.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | The requests that match the specified filter criteria.
    resourceRequestStatusSummaries :: Prelude.Maybe [ProgressEvent],
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListResourceRequestsResponse' 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:
--
-- 'nextToken', 'listResourceRequestsResponse_nextToken' - If the request doesn\'t return all of the remaining results, @NextToken@
-- is set to a token. To retrieve the next set of results, call
-- @ListResources@ again and assign that token to the request object\'s
-- @NextToken@ parameter. If the request returns all results, @NextToken@
-- is set to null.
--
-- 'resourceRequestStatusSummaries', 'listResourceRequestsResponse_resourceRequestStatusSummaries' - The requests that match the specified filter criteria.
--
-- 'httpStatus', 'listResourceRequestsResponse_httpStatus' - The response's http status code.
newListResourceRequestsResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListResourceRequestsResponse
newListResourceRequestsResponse pHttpStatus_ =
  ListResourceRequestsResponse'
    { nextToken =
        Prelude.Nothing,
      resourceRequestStatusSummaries =
        Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | If the request doesn\'t return all of the remaining results, @NextToken@
-- is set to a token. To retrieve the next set of results, call
-- @ListResources@ again and assign that token to the request object\'s
-- @NextToken@ parameter. If the request returns all results, @NextToken@
-- is set to null.
listResourceRequestsResponse_nextToken :: Lens.Lens' ListResourceRequestsResponse (Prelude.Maybe Prelude.Text)
listResourceRequestsResponse_nextToken = Lens.lens (\ListResourceRequestsResponse' {nextToken} -> nextToken) (\s@ListResourceRequestsResponse' {} a -> s {nextToken = a} :: ListResourceRequestsResponse)

-- | The requests that match the specified filter criteria.
listResourceRequestsResponse_resourceRequestStatusSummaries :: Lens.Lens' ListResourceRequestsResponse (Prelude.Maybe [ProgressEvent])
listResourceRequestsResponse_resourceRequestStatusSummaries = Lens.lens (\ListResourceRequestsResponse' {resourceRequestStatusSummaries} -> resourceRequestStatusSummaries) (\s@ListResourceRequestsResponse' {} a -> s {resourceRequestStatusSummaries = a} :: ListResourceRequestsResponse) Prelude.. Lens.mapping Lens.coerced

-- | The response's http status code.
listResourceRequestsResponse_httpStatus :: Lens.Lens' ListResourceRequestsResponse Prelude.Int
listResourceRequestsResponse_httpStatus = Lens.lens (\ListResourceRequestsResponse' {httpStatus} -> httpStatus) (\s@ListResourceRequestsResponse' {} a -> s {httpStatus = a} :: ListResourceRequestsResponse)

instance Prelude.NFData ListResourceRequestsResponse where
  rnf ListResourceRequestsResponse' {..} =
    Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf resourceRequestStatusSummaries
      `Prelude.seq` Prelude.rnf httpStatus