Files
shields/services/stackexchange/stackexchange.service.js
Paul Melnikow bedba47d77 Move legacy services from server.js into services/ (#1958)
This builds on the work of #1931 by moving the legacy services into `services/`.
2018-08-27 13:29:54 -04:00

67 lines
2.3 KiB
JavaScript

'use strict'
const LegacyService = require('../legacy-service')
const {
makeBadgeData: getBadgeData,
makeLabel: getLabel,
} = require('../../lib/badge-data')
const { metric } = require('../../lib/text-formatters')
const { floorCount: floorCountColor } = require('../../lib/color-formatters')
module.exports = class StackExchange extends LegacyService {
static registerLegacyRouteHandler({ camp, cache }) {
camp.route(
/^\/stackexchange\/([^/]+)\/([^/])\/([^/]+)\.(svg|png|gif|jpg|json)$/,
cache((data, match, sendBadge, request) => {
const site = match[1] // eg, stackoverflow
const info = match[2] // either `r`
const item = match[3] // eg, 232250
const format = match[4]
let path
if (info === 'r') {
path = 'users/' + item
} else if (info === 't') {
path = 'tags/' + item + '/info'
}
const options = {
method: 'GET',
uri: 'https://api.stackexchange.com/2.2/' + path + '?site=' + site,
gzip: true,
}
const badgeData = getBadgeData(site, data)
request(options, (err, res, buffer) => {
if (err != null) {
badgeData.text[1] = 'inaccessible'
sendBadge(format, badgeData)
return
}
try {
const parsedData = JSON.parse(buffer.toString())
// IP rate limiting
if (parsedData.error_name === 'throttle_violation') {
return // Hope for the best in the cache.
}
if (info === 'r') {
const reputation = parsedData.items[0].reputation
badgeData.text[0] = getLabel(site + ' reputation', data)
badgeData.text[1] = metric(reputation)
badgeData.colorscheme = floorCountColor(1000, 10000, 20000)
} else if (info === 't') {
const count = parsedData.items[0].count
badgeData.text[0] = getLabel(`${site} ${item} questions`, data)
badgeData.text[1] = metric(count)
badgeData.colorscheme = floorCountColor(1000, 10000, 20000)
}
sendBadge(format, badgeData)
} catch (e) {
badgeData.text[1] = 'invalid'
sendBadge(format, badgeData)
}
})
})
)
}
}