tm-apps-list-api/src/curatedLists.js

"use strict";

let hl = require("highland");
let utils = require("./utils");
const request = require('superagent');
const BeneLogger = require('bene-logger');

module.exports = config => (req, res, next) => {

    const uncached = req.params.uncached;
    const source = req.params.source;
    const publicationId = req.params.publicationId;
    const listId = req.params.listId;

    const logger = new BeneLogger({logging: config.logging.enabled});

    logger.setDefaults({
        body: JSON.stringify(req.params),
        service_name: 'appsListAPI'
    });

    logger.info('Pools GET request');

    const articlesEndpoint = !req.query.cache || req.query.cache !== "false" ? config.cacheEndpoint : config.articleEndpoint;
    const curatedListsEndpoint = uncached === 'true' ? config.curatedListsEndpoint.replace('://', '://org-') : config.curatedListsEndpoint;
    const stream = hl(request.get(`${curatedListsEndpoint}/${source}/${listId}`))
        .map(JSON.parse)
        .sequence()
        .map(id => `${source}.${id}`);
    
    const GetArticle = utils.makeArticleRequest(logger, articlesEndpoint, source, publicationId);
    const NotFound = utils.notFound(`No curated lists found for list /${source}/${listId}`);

    utils.getArticlesInParallel(logger, GetArticle, NotFound, stream)
        .sequence()
        .reject(utils.shouldBeExcluded)
        .collect()
        .map(utils.addMeta)
        .toCallback(utils.sendResponse(logger, res, next));
};