oceanprotocol/webtasks
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better error feedback when medium response is faulty

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Matthias Kretschmann 2019-10-17 11:49:23 +02:00 committed by GitHub
parent 6a8232fbfc
commit 6dc4862cbb
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1 changed files with 17 additions and 10 deletions
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27
webtask-medium.js
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@ -7,19 +7,30 @@ const webtask = require('webtask-tools')
const app = express() const app = express()
app.get('/', (req, res) => { app.get('/', (req, res) => {
res.send('Please enter a username as a parameter') res.status(400).send('Please enter a username as a parameter')
}) })
app.get('/:username', (req, res) => { app.get('/:username', (req, res) => {
const url = `https://medium.com/${req.params.username}/latest?format=json` const url = `https://medium.com/${req.params.username}/latest?format=json`
const j = request.jar()
const requestWithCookies = request.defaults({ jar: j, json: true })
request(url, (error, response) => { requestWithCookies(url, (error, response) => {
const json = JSON.parse(response.body.replace('])}while(1);</x>', '')) const prefix = '])}while(1);</x>'
if (!response.body.includes(prefix)) {
res.status(500).send({
success: false,
reason: 'Failed getting posts from Medium.'
})
}
const json = JSON.parse(response.body.replace(prefix, ''))
const { posts } = json.payload const { posts } = json.payload
const parsedPosts = [] const parsedPosts = []
let holder = {} let holder = {}
if (error) return if (error) {
res.status(error.status).send({ success: false })
}
for (let i = 0; i < posts.length; i++) { for (let i = 0; i < posts.length; i++) {
holder.id = posts[i].id holder.id = posts[i].id
@ -27,12 +38,8 @@ app.get('/:username', (req, res) => {
holder.readingTime = posts[i].virtuals.readingTime holder.readingTime = posts[i].virtuals.readingTime
holder.title = posts[i].title holder.title = posts[i].title
holder.subtitle = posts[i].virtuals.subtitle holder.subtitle = posts[i].virtuals.subtitle
holder.imageUrl = `https://cdn-images-1.medium.com/max/600/${ holder.imageUrl = `https://cdn-images-1.medium.com/max/600/${posts[i].virtuals.previewImage.imageId}`
posts[i].virtuals.previewImage.imageId holder.postUrl = `https://medium.com/${req.params.username}/${posts[i].id}`
}`
holder.postUrl = `https://medium.com/${req.params.username}/${
posts[i].id
}`
parsedPosts.push(holder) parsedPosts.push(holder)
holder = {} holder = {}
} }