andela/codepirates-ah-backend

import _ from 'lodash';
import moment from 'moment';
import ArticleModel from '../services/article.service';
import UserModel from '../services/user.service';
import TagModel from '../services/tag.service';
import Util from '../helpers/util';
import Helper from '../helpers/helper';

const util = new Util();
/**
 *
 *
 * @class Report
 */
class Search {
  /**
   *
   *
   * @static
   * @param {*} req
   * @param {*} res
   * @return {Json} return json object
   * @memberof Search
  */
  static async processSearchQuery(req, res) {
    const { q, offset, limit } = req.query;
    const searchQuery = JSON.parse(q);
    const articles = await ArticleModel.searchArticle(searchQuery.keyword, offset, limit);
    const foundArticles = _.map(
      articles,
      _.partialRight(_.pick, [
        'authorId',
        'slug',
        'title',
        'description',
        'body',
        'taglist',
        'favorited',
        'favoritedcount',
        'flagged',
        'images',
        'views',
        'createdAt',
      ])
    );

    await Promise.all(foundArticles.map(async (article) => {
      try {
        const userDetails = await UserModel.getOneUser(article.authorId);
        const { username, image } = userDetails;
        const readTime = Helper.calculateReadTime(article.body);
        const timeAgo = moment(article.createdAt).fromNow();
        article.readtime = readTime;
        article.username = username;
        article.userImage = image;
        article.timeCreated = timeAgo;
        return true;
      } catch (error) {
        console.log(error);
      }
    }));
    const users = await UserModel.searchUser(searchQuery.user, offset, limit);
    const foundUsers = _.map(
      users,
      _.partialRight(_.pick, [
        'username',
        'image',
        'bio',
      ])
    );
    const tags = await TagModel.searchTag('Tag', searchQuery.tag, offset, limit);
    const foundTags = _.map(
      tags,
      _.partialRight(_.pick, [
        'name',
      ])
    );
    util.setSuccess(200, 'Search successful', { foundArticles, foundUsers, foundTags });
    return util.send(res);
  }
}

export default Search;