feature(views and popular articles): get article views and popular ar…

…ticles [Finishes #169124758] (#63)

src/controllers/articles.controller.js

@@ -23,18 +23,19 @@ const db = models.Article;
  */
 class Articles {
   /**
-   *
-   *
-   * @static
-   * @param {*} req
-   * @param {*} res
-   * @returns {object} data
-   * @memberof Articles
-   */
+	 *
+	 *
+	 * @static
+	 * @param {*} req
+	 * @param {*} res
+	 * @returns {object} data
+	 * @memberof Articles
+	 */
   static async createArticles(req, res) {
     const userId = req.auth.id;
     const findUser = await Userservice.getOneUser(userId);
-    const images = await cloudinaryHelper.generateCloudinaryUrl(req.files);
+    // const images = await cloudinaryHelper.generateCloudinaryUrl(req.files);
+    const { images } = req.body;
 
     if (findUser) {
       const { title } = req.body;
@@ -67,14 +68,14 @@ class Articles {
   }
 
   /**
-   *
-   *
-   * @static
-   * @param {*} req
-   * @param {*} res
-   * @returns {object} articles
-   * @memberof Articles
-   */
+	 *
+	 *
+	 * @static
+	 * @param {*} req
+	 * @param {*} res
+	 * @returns {object} articles
+	 * @memberof Articles
+	 */
   static async getAllArticles(req, res) {
     const counter = await db.count();
     if (req.offset >= counter) {
@@ -85,14 +86,35 @@ class Articles {
     if (!articles) {
       return res.status(200).json({ status: 200, message: 'There is no article.' });
     }
-    const allArticles = _.map(articles, _.partialRight(_.pick, ['slug', 'title', 'description', 'body', 'taglist', 'favorited', 'favoritedcount', 'flagged', 'images', 'views']));
+    const allArticles = _.map(
+      articles,
+      _.partialRight(_.pick, [
+        'slug',
+        'title',
+        'description',
+        'body',
+        'taglist',
+        'favorited',
+        'favoritedcount',
+        'flagged',
+        'images',
+        'views'
+      ])
+    );
 
     allArticles.map((article) => {
       const readTime = Helper.calculateReadTime(article.body);
       article.readtime = readTime;
       return true;
     });
+    const popularArticles = allArticles.slice(0);
+    popularArticles.sort((a, b) => b.views - a.views);
+    const mostPopular = popularArticles.slice(0, 9);
 
+    if (req.query.popular) {
+      util.setSuccess(200, 'The most popular articles on authors haven', mostPopular);
+      return util.send(res);
+    }
     return res.status(200).json({
       status: 200,
       message: 'List of all articles',
@@ -102,14 +124,14 @@ class Articles {
   }
 
   /**
-   *
-   *
-   * @static
-   * @param {*} req
-   * @param {*} res
-   * @returns {object} article
-   * @memberof Articles
-   */
+	 *
+	 *
+	 * @static
+	 * @param {*} req
+	 * @param {*} res
+	 * @returns {object} article
+	 * @memberof Articles
+	 */
   static async getOneArticle(req, res) {
     const findArticle = await db.findOne({
       where: { slug: req.params.slug }
@@ -120,7 +142,18 @@ class Articles {
         message: 'That article does not exist!'
       });
     }
-    const article = _.pick(findArticle, ['slug', 'title', 'description', 'body', 'taglist', 'favorited', 'favoritedcount', 'flagged', 'images', 'views']);
+    const article = _.pick(findArticle, [
+      'slug',
+      'title',
+      'description',
+      'body',
+      'taglist',
+      'favorited',
+      'favoritedcount',
+      'flagged',
+      'images',
+      'views'
+    ]);
     const readTime = Helper.calculateReadTime(article.body);
     article.readtime = readTime;
     if (req.auth) {
@@ -129,6 +162,28 @@ class Articles {
       const item = 'article';
       await statsService.createStat({ description, item, readerId }, 'Stats');
     }
+    let viewObject = {
+      slug: findArticle.slug,
+      title: findArticle.title,
+      description: findArticle.description,
+      body: findArticle.body,
+      flagged: findArticle.flagged,
+      favorited: findArticle.favorited,
+      favoritedcount: findArticle.favoritedcount,
+      images: findArticle.images,
+      views: 1
+    };
+    if (findArticle) {
+      viewObject = { ...viewObject, views: findArticle.views + 1 };
+      await db.update(viewObject, {
+        where: {
+          id: findArticle.id
+        },
+        returing: true
+      });
+    } else {
+      await db.create(viewObject);
+    }
     return res.status(200).json({
       status: 200,
       message: 'Article successfully retrieved',
@@ -137,14 +192,14 @@ class Articles {
   }
 
   /**
-   *
-   *
-   * @static
-   * @param {*} req
-   * @param {*} res
-   * @returns {object} message
-   * @memberof Articles
-   */
+	 *
+	 *
+	 * @static
+	 * @param {*} req
+	 * @param {*} res
+	 * @returns {object} message
+	 * @memberof Articles
+	 */
   static async deleteArticle(req, res) {
     const findArticle = await db.findOne({
       where: { slug: req.params.slug }
@@ -171,14 +226,14 @@ class Articles {
   }
 
   /**
-   *
-   *
-   * @static
-   * @param {*} req
-   * @param {*} res
-   * @returns {Object} updated article details
-   * @memberof Articles
-   */
+	 *
+	 *
+	 * @static
+	 * @param {*} req
+	 * @param {*} res
+	 * @returns {Object} updated article details
+	 * @memberof Articles
+	 */
   static async UpdateArticle(req, res) {
     const findArticle = await db.findOne({
       where: { slug: req.params.slug }
@@ -207,14 +262,14 @@ class Articles {
   }
 
   /**
-   *
-   *
-   * @static
-   * @param {*} req
-   * @param {*} res
-   * @returns {Object} share article over email and social media channelds
-   * @memberof Articles
-   */
+	 *
+	 *
+	 * @static
+	 * @param {*} req
+	 * @param {*} res
+	 * @returns {Object} share article over email and social media channelds
+	 * @memberof Articles
+	 */
   static async shareArticle(req, res) {
     const article = await db.findOne({
       where: { slug: req.params.slug }

src/middlewares/query.check.js

@@ -29,7 +29,7 @@ export const searchArticleQuerybuilder = (searchQueries) => {
 
 export const checkQuery = (req, res, next) => {
   let {
-    limit, page, ...searchQueries
+    limit, page, popular, ...searchQueries
   } = req.query;
   const validQueries = ['author', 'keyword', 'tag', 'title'];
   let isValidRequest = true;

src/services/article.service.js

@@ -32,17 +32,19 @@ class articleService {
    * @static
    *  @param {*} offset
    *  @param {*} limit
+   * @param {*} popular
    *  @param {*} searchQueries
    * @returns {object} data
    * @memberof articleService
    */
-  static async getAllArticles(offset, limit, searchQueries) {
+  static async getAllArticles(offset, limit, popular, searchQueries) {
     try {
       return await db.findAll({
         where: searchQueries,
         order: [
           ['createdAt', 'DESC']
         ],
+        popular,
         offset,
         limit,
       });