text: /*
   * Copyright 2019 is-land
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  import { normalize } from 'normalizr';
  import { ofType } from 'redux-observable';
  import { from, defer } from 'rxjs';
  import {
    switchMap,
    map,
    startWith,
    catchError,
    throttleTime,
  } from 'rxjs/operators';
  
  import * as fileApi from 'api/fileApi';
  import * as actions from 'store/actions';
  import * as schema from 'store/schema';
  import { LOG_LEVEL } from 'const';
  
  export default (action$) =>
    action$.pipe(
      ofType(actions.fetchFiles.TRIGGER),
      map((action) => action.payload),
      throttleTime(1000),
      switchMap(() =>
        defer(() => fileApi.getAll()).pipe(
          map((res) => normalize(res.data, [schema.file])),
          map((normalizedData) => actions.fetchFiles.success(normalizedData)),
          startWith(actions.fetchFiles.request()),
          catchError((err) =>
            from([
              actions.fetchFiles.failure(err),
              actions.createEventLog.trigger({ ...err, type: LOG_LEVEL.error }),
            ]),
          ),
        ),
      ),
    );
  