46 lines
1.7 KiB
JavaScript
46 lines
1.7 KiB
JavaScript
'use strict'
|
|
|
|
const LegacyService = require('../legacy-service')
|
|
const { makeBadgeData: getBadgeData } = require('../../lib/badge-data')
|
|
const { checkErrorResponse } = require('../../lib/error-helper')
|
|
const { addv: versionText } = require('../../lib/text-formatters')
|
|
const { version: versionColor } = require('../../lib/color-formatters')
|
|
|
|
module.exports = class HackageVersion extends LegacyService {
|
|
static registerLegacyRouteHandler({ camp, cache }) {
|
|
camp.route(
|
|
/^\/hackage\/v\/(.*)\.(svg|png|gif|jpg|json)$/,
|
|
cache((data, match, sendBadge, request) => {
|
|
const repo = match[1] // eg, `lens`.
|
|
const format = match[2]
|
|
const apiUrl =
|
|
'https://hackage.haskell.org/package/' + repo + '/' + repo + '.cabal'
|
|
const badgeData = getBadgeData('hackage', data)
|
|
request(apiUrl, (err, res, buffer) => {
|
|
if (checkErrorResponse(badgeData, err, res)) {
|
|
sendBadge(format, badgeData)
|
|
return
|
|
}
|
|
|
|
try {
|
|
const lines = buffer.split('\n')
|
|
const versionLines = lines.filter(
|
|
e => /^version:/i.test(e) === true
|
|
)
|
|
// We don't have to check length of versionLines, because if we throw,
|
|
// we'll render the 'invalid' badge below, which is the correct thing
|
|
// to do.
|
|
const version = versionLines[0].split(/:/)[1].trim()
|
|
badgeData.text[1] = versionText(version)
|
|
badgeData.colorscheme = versionColor(version)
|
|
sendBadge(format, badgeData)
|
|
} catch (e) {
|
|
badgeData.text[1] = 'invalid'
|
|
sendBadge(format, badgeData)
|
|
}
|
|
})
|
|
})
|
|
)
|
|
}
|
|
}
|