{-# 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.Glue.GetMLTransforms
-- 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 a sortable, filterable list of existing Glue machine learning
-- transforms. Machine learning transforms are a special type of transform
-- that use machine learning to learn the details of the transformation to
-- be performed by learning from examples provided by humans. These
-- transformations are then saved by Glue, and you can retrieve their
-- metadata by calling @GetMLTransforms@.
module Amazonka.Glue.GetMLTransforms
  ( -- * Creating a Request
    GetMLTransforms (..),
    newGetMLTransforms,

    -- * Request Lenses
    getMLTransforms_filter,
    getMLTransforms_maxResults,
    getMLTransforms_nextToken,
    getMLTransforms_sort,

    -- * Destructuring the Response
    GetMLTransformsResponse (..),
    newGetMLTransformsResponse,

    -- * Response Lenses
    getMLTransformsResponse_nextToken,
    getMLTransformsResponse_httpStatus,
    getMLTransformsResponse_transforms,
  )
where

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

-- | /See:/ 'newGetMLTransforms' smart constructor.
data GetMLTransforms = GetMLTransforms'
  { -- | The filter transformation criteria.
    filter' :: Prelude.Maybe TransformFilterCriteria,
    -- | The maximum number of results to return.
    maxResults :: Prelude.Maybe Prelude.Natural,
    -- | A paginated token to offset the results.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | The sorting criteria.
    sort :: Prelude.Maybe TransformSortCriteria
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'GetMLTransforms' 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:
--
-- 'filter'', 'getMLTransforms_filter' - The filter transformation criteria.
--
-- 'maxResults', 'getMLTransforms_maxResults' - The maximum number of results to return.
--
-- 'nextToken', 'getMLTransforms_nextToken' - A paginated token to offset the results.
--
-- 'sort', 'getMLTransforms_sort' - The sorting criteria.
newGetMLTransforms ::
  GetMLTransforms
newGetMLTransforms =
  GetMLTransforms'
    { filter' = Prelude.Nothing,
      maxResults = Prelude.Nothing,
      nextToken = Prelude.Nothing,
      sort = Prelude.Nothing
    }

-- | The filter transformation criteria.
getMLTransforms_filter :: Lens.Lens' GetMLTransforms (Prelude.Maybe TransformFilterCriteria)
getMLTransforms_filter = Lens.lens (\GetMLTransforms' {filter'} -> filter') (\s@GetMLTransforms' {} a -> s {filter' = a} :: GetMLTransforms)

-- | The maximum number of results to return.
getMLTransforms_maxResults :: Lens.Lens' GetMLTransforms (Prelude.Maybe Prelude.Natural)
getMLTransforms_maxResults = Lens.lens (\GetMLTransforms' {maxResults} -> maxResults) (\s@GetMLTransforms' {} a -> s {maxResults = a} :: GetMLTransforms)

-- | A paginated token to offset the results.
getMLTransforms_nextToken :: Lens.Lens' GetMLTransforms (Prelude.Maybe Prelude.Text)
getMLTransforms_nextToken = Lens.lens (\GetMLTransforms' {nextToken} -> nextToken) (\s@GetMLTransforms' {} a -> s {nextToken = a} :: GetMLTransforms)

-- | The sorting criteria.
getMLTransforms_sort :: Lens.Lens' GetMLTransforms (Prelude.Maybe TransformSortCriteria)
getMLTransforms_sort = Lens.lens (\GetMLTransforms' {sort} -> sort) (\s@GetMLTransforms' {} a -> s {sort = a} :: GetMLTransforms)

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

instance Prelude.Hashable GetMLTransforms where
  hashWithSalt _salt GetMLTransforms' {..} =
    _salt
      `Prelude.hashWithSalt` filter'
      `Prelude.hashWithSalt` maxResults
      `Prelude.hashWithSalt` nextToken
      `Prelude.hashWithSalt` sort

instance Prelude.NFData GetMLTransforms where
  rnf GetMLTransforms' {..} =
    Prelude.rnf filter'
      `Prelude.seq` Prelude.rnf maxResults
      `Prelude.seq` Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf sort

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

instance Data.ToJSON GetMLTransforms where
  toJSON GetMLTransforms' {..} =
    Data.object
      ( Prelude.catMaybes
          [ ("Filter" Data..=) Prelude.<$> filter',
            ("MaxResults" Data..=) Prelude.<$> maxResults,
            ("NextToken" Data..=) Prelude.<$> nextToken,
            ("Sort" Data..=) Prelude.<$> sort
          ]
      )

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

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

-- | /See:/ 'newGetMLTransformsResponse' smart constructor.
data GetMLTransformsResponse = GetMLTransformsResponse'
  { -- | A pagination token, if more results are available.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | The response's http status code.
    httpStatus :: Prelude.Int,
    -- | A list of machine learning transforms.
    transforms :: [MLTransform]
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'GetMLTransformsResponse' 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', 'getMLTransformsResponse_nextToken' - A pagination token, if more results are available.
--
-- 'httpStatus', 'getMLTransformsResponse_httpStatus' - The response's http status code.
--
-- 'transforms', 'getMLTransformsResponse_transforms' - A list of machine learning transforms.
newGetMLTransformsResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  GetMLTransformsResponse
newGetMLTransformsResponse pHttpStatus_ =
  GetMLTransformsResponse'
    { nextToken =
        Prelude.Nothing,
      httpStatus = pHttpStatus_,
      transforms = Prelude.mempty
    }

-- | A pagination token, if more results are available.
getMLTransformsResponse_nextToken :: Lens.Lens' GetMLTransformsResponse (Prelude.Maybe Prelude.Text)
getMLTransformsResponse_nextToken = Lens.lens (\GetMLTransformsResponse' {nextToken} -> nextToken) (\s@GetMLTransformsResponse' {} a -> s {nextToken = a} :: GetMLTransformsResponse)

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

-- | A list of machine learning transforms.
getMLTransformsResponse_transforms :: Lens.Lens' GetMLTransformsResponse [MLTransform]
getMLTransformsResponse_transforms = Lens.lens (\GetMLTransformsResponse' {transforms} -> transforms) (\s@GetMLTransformsResponse' {} a -> s {transforms = a} :: GetMLTransformsResponse) Prelude.. Lens.coerced

instance Prelude.NFData GetMLTransformsResponse where
  rnf GetMLTransformsResponse' {..} =
    Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf httpStatus
      `Prelude.seq` Prelude.rnf transforms