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#159987732 Users can get their reading stats (#52)
* fix uncaught error in category controller * ft(user-reading-stats): users can get their reading stats - user's view should be logged everytime they get an article - users should be able to see the number of articles read - users should be able to get the articles they have read [Delivers 159987732] * ft(users'-reading-stats): users can get their reading stats - log user's view to the ArticleView model when they view an article - users can get all the articles they have viewed - users can get articles that users have liked - users can get their most read category - add more tests to Article model - add tests to the ArticleView model - sanitize category name before processing the request [Delivers 159987732] * ft(user-reading-stats): - refactor mode function to use more descriptive variables - add jsdoc comment to mode util function - change getSpecific method name to getArticle in articles controller - change getAll method name to getAllArticles in articles controller [Delivers 159987732] * ft(user-reading-stats): fix failing travis build [Delivers 159987732] * ft(user-reading-stats): fix failing travis build [Delivers 159987732] * ft(user-reading-stats): update swagger documentation - update swagger documentation - change the route for adding articles to a category [Delivers 159987732] * ft(user-reading-stats): users should be able to get their reading stats - change the name of saveArticleView method to postArticleHistory - change the name of ArticleView model to ArticleViewHistory [Delivers 159987732] * Fix merge conflicts in article.js file * ft(swagger-documentation): fix swagger docummentation error [Fixes 159987732] * fix hound errors
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,109 @@ | ||
| import { | ||
| Article, | ||
| ArticleViewHistory, | ||
| Category, | ||
| LikesDislikes, | ||
| ArticleCategory, | ||
| } from '../models'; | ||
| import mode from '../utils/modeValue'; | ||
|
|
||
| /** | ||
| * | ||
| * @description controller class with methods for getting user's reading stats | ||
| * @class RedingStatsController | ||
| */ | ||
| class ReadingStatsController { | ||
| /** | ||
| * @description Get all categories | ||
| * @param {object} req body of the user's request | ||
| * @param {function} res response from the server | ||
| * @param {function} next response from the server | ||
| * @returns {object} The body of the response message | ||
| * @memberof ReadingStatsController | ||
| */ | ||
| static getAllReadingStats(req, res, next) { | ||
| const { userId } = req; | ||
| ArticleViewHistory.findAll({ | ||
| where: { userId }, | ||
| attributes: ['articleId'], | ||
| include: [ | ||
| { | ||
| model: Article, | ||
| as: 'article', | ||
| attributes: ['title', 'body', 'description', 'authorId'] | ||
| } | ||
| ] | ||
| }) | ||
| .then((articles) => { | ||
| const articleCount = articles.map(article => article.articleId); | ||
| return LikesDislikes.findAll({ | ||
| where: { userId }, | ||
| attributes: ['articleId', 'reaction'], | ||
| include: [ | ||
| { | ||
| model: Article, | ||
| as: 'article', | ||
| attributes: ['title', 'body', 'description'] | ||
| } | ||
| ] | ||
| }) | ||
| .then((reaction) => { | ||
| ArticleCategory.findAll({ | ||
| where: { articleId: articleCount } | ||
| }) | ||
| .then((result) => { | ||
| const categoryIds = result.map(article => article.categoryId); | ||
| return Category.findAll({ | ||
| where: { id: categoryIds }, | ||
| attributes: ['name'] | ||
| }) | ||
| .then((categoryNames) => { | ||
| let mostReadCategory; | ||
| if (categoryNames.length === 0) { | ||
| mostReadCategory = 'Articles have not been added to any category'; | ||
| } | ||
| const names = categoryNames.map(category => category.name); | ||
| mostReadCategory = mode(names); | ||
| return res.status(200).json({ | ||
| status: 'success', | ||
| articlesRead: articles.length === 0 ? 'No articles found' : articles, | ||
| numberOfArticlesRead: articleCount.length, | ||
| articleReactions: reaction.length === 0 ? 'No reactions found' : reaction, | ||
| mostReadCategory | ||
| }); | ||
| }) | ||
| .catch(error => next(error)); | ||
| }) | ||
| .catch(error => next(error)); | ||
| }) | ||
| .catch(error => next(error)); | ||
| }) | ||
| .catch(error => next(error)); | ||
| } | ||
|
|
||
| /** | ||
| * @description Get all categories | ||
| * @param {object} req body of the user's request | ||
| * @param {function} res response from the server | ||
| * @param {function} next response from the server | ||
| * @returns {object} The body of the response message | ||
| * @param {string} articleId body of the user's request | ||
| * @memberof ReadingStatsController | ||
| */ | ||
| static postArticleViewHistory(req, res, next) { | ||
| const { userId, articleId } = res.locals; | ||
| ArticleViewHistory.findOne({ | ||
| where: { userId, articleId }, | ||
| }) | ||
| .then((userView) => { | ||
| if (!userView) { | ||
| ArticleViewHistory.create({ articleId, userId }) | ||
| .then(() => res.status(201).send()) | ||
| .catch(next); | ||
| } | ||
| }) | ||
| .catch(next); | ||
| } | ||
| } | ||
|
|
||
| export default ReadingStatsController; |
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