{-# 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.CodeCommit.GetPullRequestApprovalStates
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Gets information about the approval states for a specified pull request.
-- Approval states only apply to pull requests that have one or more
-- approval rules applied to them.
module Amazonka.CodeCommit.GetPullRequestApprovalStates
  ( -- * Creating a Request
    GetPullRequestApprovalStates (..),
    newGetPullRequestApprovalStates,

    -- * Request Lenses
    getPullRequestApprovalStates_pullRequestId,
    getPullRequestApprovalStates_revisionId,

    -- * Destructuring the Response
    GetPullRequestApprovalStatesResponse (..),
    newGetPullRequestApprovalStatesResponse,

    -- * Response Lenses
    getPullRequestApprovalStatesResponse_approvals,
    getPullRequestApprovalStatesResponse_httpStatus,
  )
where

import Amazonka.CodeCommit.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:/ 'newGetPullRequestApprovalStates' smart constructor.
data GetPullRequestApprovalStates = GetPullRequestApprovalStates'
  { -- | The system-generated ID for the pull request.
    pullRequestId :: Prelude.Text,
    -- | The system-generated ID for the pull request revision.
    revisionId :: Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'GetPullRequestApprovalStates' 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:
--
-- 'pullRequestId', 'getPullRequestApprovalStates_pullRequestId' - The system-generated ID for the pull request.
--
-- 'revisionId', 'getPullRequestApprovalStates_revisionId' - The system-generated ID for the pull request revision.
newGetPullRequestApprovalStates ::
  -- | 'pullRequestId'
  Prelude.Text ->
  -- | 'revisionId'
  Prelude.Text ->
  GetPullRequestApprovalStates
newGetPullRequestApprovalStates
  pPullRequestId_
  pRevisionId_ =
    GetPullRequestApprovalStates'
      { pullRequestId =
          pPullRequestId_,
        revisionId = pRevisionId_
      }

-- | The system-generated ID for the pull request.
getPullRequestApprovalStates_pullRequestId :: Lens.Lens' GetPullRequestApprovalStates Prelude.Text
getPullRequestApprovalStates_pullRequestId = Lens.lens (\GetPullRequestApprovalStates' {pullRequestId} -> pullRequestId) (\s@GetPullRequestApprovalStates' {} a -> s {pullRequestId = a} :: GetPullRequestApprovalStates)

-- | The system-generated ID for the pull request revision.
getPullRequestApprovalStates_revisionId :: Lens.Lens' GetPullRequestApprovalStates Prelude.Text
getPullRequestApprovalStates_revisionId = Lens.lens (\GetPullRequestApprovalStates' {revisionId} -> revisionId) (\s@GetPullRequestApprovalStates' {} a -> s {revisionId = a} :: GetPullRequestApprovalStates)

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

instance
  Prelude.Hashable
    GetPullRequestApprovalStates
  where
  hashWithSalt _salt GetPullRequestApprovalStates' {..} =
    _salt
      `Prelude.hashWithSalt` pullRequestId
      `Prelude.hashWithSalt` revisionId

instance Prelude.NFData GetPullRequestApprovalStates where
  rnf GetPullRequestApprovalStates' {..} =
    Prelude.rnf pullRequestId
      `Prelude.seq` Prelude.rnf revisionId

instance Data.ToHeaders GetPullRequestApprovalStates where
  toHeaders =
    Prelude.const
      ( Prelude.mconcat
          [ "X-Amz-Target"
              Data.=# ( "CodeCommit_20150413.GetPullRequestApprovalStates" ::
                          Prelude.ByteString
                      ),
            "Content-Type"
              Data.=# ( "application/x-amz-json-1.1" ::
                          Prelude.ByteString
                      )
          ]
      )

instance Data.ToJSON GetPullRequestApprovalStates where
  toJSON GetPullRequestApprovalStates' {..} =
    Data.object
      ( Prelude.catMaybes
          [ Prelude.Just
              ("pullRequestId" Data..= pullRequestId),
            Prelude.Just ("revisionId" Data..= revisionId)
          ]
      )

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

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

-- | /See:/ 'newGetPullRequestApprovalStatesResponse' smart constructor.
data GetPullRequestApprovalStatesResponse = GetPullRequestApprovalStatesResponse'
  { -- | Information about users who have approved the pull request.
    approvals :: Prelude.Maybe [Approval],
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'GetPullRequestApprovalStatesResponse' 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:
--
-- 'approvals', 'getPullRequestApprovalStatesResponse_approvals' - Information about users who have approved the pull request.
--
-- 'httpStatus', 'getPullRequestApprovalStatesResponse_httpStatus' - The response's http status code.
newGetPullRequestApprovalStatesResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  GetPullRequestApprovalStatesResponse
newGetPullRequestApprovalStatesResponse pHttpStatus_ =
  GetPullRequestApprovalStatesResponse'
    { approvals =
        Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | Information about users who have approved the pull request.
getPullRequestApprovalStatesResponse_approvals :: Lens.Lens' GetPullRequestApprovalStatesResponse (Prelude.Maybe [Approval])
getPullRequestApprovalStatesResponse_approvals = Lens.lens (\GetPullRequestApprovalStatesResponse' {approvals} -> approvals) (\s@GetPullRequestApprovalStatesResponse' {} a -> s {approvals = a} :: GetPullRequestApprovalStatesResponse) Prelude.. Lens.mapping Lens.coerced

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

instance
  Prelude.NFData
    GetPullRequestApprovalStatesResponse
  where
  rnf GetPullRequestApprovalStatesResponse' {..} =
    Prelude.rnf approvals
      `Prelude.seq` Prelude.rnf httpStatus