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const functions = require('firebase-functions')
const URL_THE_GUARDIAN = "https://www.theguardian.com/uk/london/rss"
const Client = require('node-rest-client').Client
const client = new Client()
exports.fetch = functions.https.onRequest((req, res) => {
client.get(URL_THE_GUARDIAN, function (data, response) {
const items = cleanUp(data)
res.status(201)
.type('application/json')
.send(items)
})
})
function cleanUp(data) {
// Empty array to add cleaned up elements to
const items = []
// We are only interested in children of the 'channel' element
const channel = data.rss.channel
channel.item.forEach(element => {
item = {
title: element.title,
description: element.description,
date: element.pubDate,
creator: element['dc:creator'],
media: []
}
// Iterates through all the elements named '<media:content>' extracting the info we care about
element['media:content'].forEach(mediaContent => {
item.media.push({
url: mediaContent.$.url, // Parses media:content url attribute
credit: mediaContent['media:credit']._ // Parses media:credit tag content
})
})
items.push(item)
})
return items
}
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