ListDatastores.hs

{-# LANGUAGE DeriveDataTypeable #-}
{-# LANGUAGE DeriveGeneric      #-}
{-# LANGUAGE OverloadedStrings  #-}
{-# LANGUAGE RecordWildCards    #-}
{-# LANGUAGE TypeFamilies       #-}

{-# OPTIONS_GHC -fno-warn-unused-imports #-}
{-# OPTIONS_GHC -fno-warn-unused-binds   #-}
{-# OPTIONS_GHC -fno-warn-unused-matches #-}

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

-- |
-- Module      : Network.AWS.IoTAnalytics.ListDatastores
-- Copyright   : (c) 2013-2018 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay <brendan.g.hay+amazonka@gmail.com>
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Retrieves a list of data stores.
--
--
module Network.AWS.IoTAnalytics.ListDatastores
    (
    -- * Creating a Request
      listDatastores
    , ListDatastores
    -- * Request Lenses
    , ldNextToken
    , ldMaxResults

    -- * Destructuring the Response
    , listDatastoresResponse
    , ListDatastoresResponse
    -- * Response Lenses
    , ldrsNextToken
    , ldrsDatastoreSummaries
    , ldrsResponseStatus
    ) where

import Network.AWS.IoTAnalytics.Types
import Network.AWS.IoTAnalytics.Types.Product
import Network.AWS.Lens
import Network.AWS.Prelude
import Network.AWS.Request
import Network.AWS.Response

-- | /See:/ 'listDatastores' smart constructor.
data ListDatastores = ListDatastores'
  { _ldNextToken  :: !(Maybe Text)
  , _ldMaxResults :: !(Maybe Nat)
  } deriving (Eq, Read, Show, Data, Typeable, Generic)


-- | Creates a value of 'ListDatastores' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'ldNextToken' - The token for the next set of results.
--
-- * 'ldMaxResults' - The maximum number of results to return in this request. The default value is 100.
listDatastores
    :: ListDatastores
listDatastores =
  ListDatastores' {_ldNextToken = Nothing, _ldMaxResults = Nothing}


-- | The token for the next set of results.
ldNextToken :: Lens' ListDatastores (Maybe Text)
ldNextToken = lens _ldNextToken (\ s a -> s{_ldNextToken = a})

-- | The maximum number of results to return in this request. The default value is 100.
ldMaxResults :: Lens' ListDatastores (Maybe Natural)
ldMaxResults = lens _ldMaxResults (\ s a -> s{_ldMaxResults = a}) . mapping _Nat

instance AWSRequest ListDatastores where
        type Rs ListDatastores = ListDatastoresResponse
        request = get ioTAnalytics
        response
          = receiveJSON
              (\ s h x ->
                 ListDatastoresResponse' <$>
                   (x .?> "nextToken") <*>
                     (x .?> "datastoreSummaries" .!@ mempty)
                     <*> (pure (fromEnum s)))

instance Hashable ListDatastores where

instance NFData ListDatastores where

instance ToHeaders ListDatastores where
        toHeaders = const mempty

instance ToPath ListDatastores where
        toPath = const "/datastores"

instance ToQuery ListDatastores where
        toQuery ListDatastores'{..}
          = mconcat
              ["nextToken" =: _ldNextToken,
               "maxResults" =: _ldMaxResults]

-- | /See:/ 'listDatastoresResponse' smart constructor.
data ListDatastoresResponse = ListDatastoresResponse'
  { _ldrsNextToken          :: !(Maybe Text)
  , _ldrsDatastoreSummaries :: !(Maybe [DatastoreSummary])
  , _ldrsResponseStatus     :: !Int
  } deriving (Eq, Read, Show, Data, Typeable, Generic)


-- | Creates a value of 'ListDatastoresResponse' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'ldrsNextToken' - The token to retrieve the next set of results, or @null@ if there are no more results.
--
-- * 'ldrsDatastoreSummaries' - A list of "DatastoreSummary" objects.
--
-- * 'ldrsResponseStatus' - -- | The response status code.
listDatastoresResponse
    :: Int -- ^ 'ldrsResponseStatus'
    -> ListDatastoresResponse
listDatastoresResponse pResponseStatus_ =
  ListDatastoresResponse'
    { _ldrsNextToken = Nothing
    , _ldrsDatastoreSummaries = Nothing
    , _ldrsResponseStatus = pResponseStatus_
    }


-- | The token to retrieve the next set of results, or @null@ if there are no more results.
ldrsNextToken :: Lens' ListDatastoresResponse (Maybe Text)
ldrsNextToken = lens _ldrsNextToken (\ s a -> s{_ldrsNextToken = a})

-- | A list of "DatastoreSummary" objects.
ldrsDatastoreSummaries :: Lens' ListDatastoresResponse [DatastoreSummary]
ldrsDatastoreSummaries = lens _ldrsDatastoreSummaries (\ s a -> s{_ldrsDatastoreSummaries = a}) . _Default . _Coerce

-- | -- | The response status code.
ldrsResponseStatus :: Lens' ListDatastoresResponse Int
ldrsResponseStatus = lens _ldrsResponseStatus (\ s a -> s{_ldrsResponseStatus = a})

instance NFData ListDatastoresResponse where