This repository has been archived by the owner on Jan 20, 2020. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 3
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge pull request #20 from lucianonooijen/feature/articles
Feature/articles (can be merged)
- Loading branch information
Showing
24 changed files
with
896 additions
and
132 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,205 @@ | ||
| /* eslint max-len: ["error", { "code": 100 }] */ | ||
| /* eslint-disable prettier/prettier */ | ||
|
|
||
| // const { knex } = require('../helpers'); | ||
|
|
||
| const fieldsBase = [ | ||
| 'articles.id', | ||
| 'articles.title', | ||
| 'articles.subtitle', | ||
| 'articles.slug', | ||
| 'articles.posted_on', | ||
| 'article_content.image_url AS article_image_url', | ||
| 'article_content.summary', | ||
| 'authors.name AS author_name', | ||
| 'authors.role AS author_role', | ||
| 'authors.image_url AS author_image_url', | ||
| 'categories.name AS category_name', | ||
| 'categories.slug AS category_slug', | ||
| ]; | ||
|
|
||
| const calculateReadingTime = text => { | ||
| try { | ||
| const wordsPerMinute = 275; | ||
| const wordArr = text.split(' '); | ||
| const textWordAmount = wordArr.length; | ||
| const readingTimeInMinutes = Math.floor(textWordAmount / wordsPerMinute); | ||
| return readingTimeInMinutes; | ||
| } catch (err) { | ||
| return null; | ||
| } | ||
| }; | ||
|
|
||
| const addReadingTimeToArticles = articles => { | ||
| const articlesWithReadingTime = articles.map(article => { | ||
| const articleContent = article.html_content; | ||
| const readingTime = calculateReadingTime(articleContent); | ||
| const readingTimeObject = { reading_time: readingTime }; | ||
| const updatedArticle = Object.assign({}, article, readingTimeObject); | ||
| return updatedArticle; | ||
| }); | ||
| return articlesWithReadingTime; | ||
| }; | ||
|
|
||
| const listArticles = async knex => { | ||
| const fields = [ | ||
| ...fieldsBase, | ||
| 'article_content.html_content', | ||
| ]; | ||
| const articles = await knex | ||
| .select(fields) | ||
| .from('articles') | ||
| .join('article_content', 'article_content.article_id', '=', 'articles.id') | ||
| .join('categories', 'categories.id', '=', 'articles.category') | ||
| .join('authors', 'authors.id', '=', 'articles.author') | ||
| .where('articles.hidden', '=', false) | ||
| .andWhere('articles.posted_on', '<=', knex.raw('now()')); | ||
| const articlesWithReadingTime = addReadingTimeToArticles(articles); | ||
| return articlesWithReadingTime; | ||
| }; | ||
|
|
||
| const getRelatedArticles = async (knex, id) => { | ||
| const fields = [ | ||
| ...fieldsBase, | ||
| 'article_content.html_content', | ||
| ]; | ||
| const relatedArticles = await knex | ||
| .select(fields) | ||
| .from('articles') | ||
| .join('article_content', 'article_content.article_id', '=', 'articles.id') | ||
| .join('categories', 'categories.id', '=', 'articles.category') | ||
| .join('authors', 'authors.id', '=', 'articles.author') | ||
| .join('related_articles', 'related_articles.related_article_id', '=', 'articles.id') | ||
| .where('related_articles.article_id', '=', id) | ||
| .andWhere('articles.hidden', '=', false) | ||
| .andWhere('articles.posted_on', '<=', knex.raw('now()')); | ||
| const articlesWithReadingTime = addReadingTimeToArticles(relatedArticles); | ||
| return articlesWithReadingTime; | ||
| }; | ||
|
|
||
| const addRelatedArticlesToArticleObject = async (knex, id, article) => { | ||
| const relatedArticles = await getRelatedArticles(knex, id); | ||
| if (relatedArticles.length === 0) { | ||
| return article; | ||
| } | ||
| const articleWithRelatedArticles = { | ||
| ...article, | ||
| related_articles: relatedArticles, | ||
| }; | ||
| return articleWithRelatedArticles; | ||
| }; | ||
|
|
||
| const getArticle = async (knex, id) => { | ||
| const fields = [ | ||
| ...fieldsBase, | ||
| 'article_content.html_content', | ||
| ]; | ||
| const articles = await knex | ||
| .select(fields) | ||
| .from('articles') // eslint-disable-next-line | ||
| .join('article_content', 'article_content.article_id', '=', 'articles.id') | ||
| .join('categories', 'categories.id', '=', 'articles.category') | ||
| .join('authors', 'authors.id', '=', 'articles.author') | ||
| .where('articles.id', '=', id); | ||
| const articlesWithReadingTime = addReadingTimeToArticles(articles); | ||
| const articleBase = articlesWithReadingTime[0]; | ||
| const article = await addRelatedArticlesToArticleObject(knex, id, articleBase); | ||
| return article; | ||
| }; | ||
|
|
||
| const addToArticlesTable = async (knex, articleData) => { | ||
| const returning = ['id', 'title', 'subtitle', 'posted_on', 'slug', 'author', 'category']; | ||
| const addedArticle = await knex('articles') | ||
| .insert([articleData]) | ||
| .returning(returning); | ||
| return addedArticle[0]; | ||
| }; | ||
|
|
||
| const addToArticleContentTable = async (knex, articleData) => { | ||
| const returning = ['summary', 'image_url', 'html_content']; | ||
| const addedArticle = await knex('article_content') | ||
| .insert([articleData]) | ||
| .returning(returning); | ||
| return addedArticle[0]; | ||
| }; | ||
|
|
||
| const generateRelatedArticles = (id, relatedArticles) => { | ||
| const relatedArticlesObjects = relatedArticles.map(relatedArticle => { | ||
| const relatedArticleObject = { | ||
| article_id: id, | ||
| related_article_id: relatedArticle, | ||
| }; | ||
| return relatedArticleObject; | ||
| }); | ||
| return relatedArticlesObjects; | ||
| }; | ||
|
|
||
| const addToRelatedArticlesTable = async (knex, id, relatedArticles) => { | ||
| if (!relatedArticles || relatedArticles.length === 0) { | ||
| return []; | ||
| } | ||
| const relatedArticlesArray = generateRelatedArticles(id, relatedArticles); | ||
| const addedRelatedArticles = await knex('related_articles') | ||
| .insert(relatedArticlesArray) | ||
| .returning('article_id', 'related_article_id'); | ||
| return addedRelatedArticles; | ||
| }; | ||
|
|
||
| const addArticle = async (knex, article) => { | ||
| const articleData = { | ||
| title: article.title, | ||
| subtitle: article.subtitle, | ||
| posted_on: article.posted_on, | ||
| hidden: article.hidden, | ||
| slug: article.slug, | ||
| author: article.author, | ||
| category: article.author, | ||
| }; | ||
| const addedArticleData = await addToArticlesTable(knex, articleData); | ||
| const addedArticleId = addedArticleData.id; | ||
| const articleContentData = { | ||
| article_id: addedArticleId, | ||
| summary: article.summary, | ||
| image_url: article.image_url, | ||
| html_content: article.html_content, | ||
| }; | ||
| await addToArticleContentTable(knex, articleContentData); | ||
| const relatedArticleIds = article.related_articles; | ||
| await addToRelatedArticlesTable(knex, addedArticleId, relatedArticleIds); | ||
| const createdArticle = await getArticle(knex, addedArticleId); | ||
| return createdArticle; | ||
| }; | ||
|
|
||
| // TODO: fix and test better | ||
| // eslint-disable-next-line | ||
| const modifyArticle = async (knex, id, article) => { | ||
| throw new Error('Article modification is not supported'); | ||
| }; | ||
|
|
||
| const deleteArticle = async (knex, id) => { | ||
| await knex('related_articles') | ||
| .where({ article_id: id }) | ||
| .orWhere({ related_article_id: id }) | ||
| .delete(); | ||
| await knex('article_content') | ||
| .where({ article_id: id }) | ||
| .delete(); | ||
| await knex('articles') | ||
| .where({ id }) | ||
| .delete(); | ||
| return { id }; | ||
| }; | ||
|
|
||
| module.exports = { | ||
| listArticles, | ||
| getRelatedArticles, | ||
| addRelatedArticlesToArticleObject, | ||
| calculateReadingTime, | ||
| addReadingTimeToArticles, | ||
| addToRelatedArticlesTable, | ||
| getArticle, | ||
| generateRelatedArticles, | ||
| addArticle, | ||
| modifyArticle, | ||
| deleteArticle, | ||
| }; |
Oops, something went wrong.