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/*
* Copyright © 2018 European Support Limited
*
* 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 { call, put, takeLatest } from 'redux-saga/effects';
import { delay } from 'redux-saga';

import catalogApi from 'features/catalog/catalogApi';
import { fetchWorkflow, updateWorkflow } from 'features/catalog/catalogActions';
import {
    SEARCH_CHANGED,
    LIMIT,
    SEARCH_BUFFER
} from 'features/catalog/catalogConstants';

const noOp = () => {};

export function* fetchWorkflowSaga({ payload }) {
    const { sort, limit, offset, searchNameFilter, status } = payload;
    try {
        const data = yield call(catalogApi.getWorkflows, {
            sort,
            limit: LIMIT,
            offset: offset === undefined ? 0 : offset + limit,
            searchNameFilter,
            status
        });
        yield put(updateWorkflow({ sort, status, ...data }));
    } catch (e) {
        noOp();
    }
}

export function* debounceSearchChanged({ payload }) {
    yield call(delay, SEARCH_BUFFER);
    yield call(fetchWorkflowSaga, { payload });
}

function* catalogSaga() {
    yield takeLatest(fetchWorkflow, fetchWorkflowSaga);
    yield takeLatest(SEARCH_CHANGED, debounceSearchChanged);
}

export default catalogSaga;