53 lines
1.8 KiB
JavaScript
53 lines
1.8 KiB
JavaScript
'use strict'
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const LegacyService = require('../legacy-service')
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const { makeBadgeData: getBadgeData } = require('../../lib/badge-data')
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const { checkErrorResponse } = require('../../lib/error-helper')
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module.exports = class HackageDeps extends LegacyService {
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static registerLegacyRouteHandler({ camp, cache }) {
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camp.route(
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/^\/hackage-deps\/v\/(.*)\.(svg|png|gif|jpg|json)$/,
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cache((data, match, sendBadge, request) => {
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const repo = match[1] // eg, `lens`.
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const format = match[2]
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const reverseUrl = 'http://packdeps.haskellers.com/licenses/' + repo
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const feedUrl = 'http://packdeps.haskellers.com/feed/' + repo
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const badgeData = getBadgeData('dependencies', data)
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// first call /reverse to check if the package exists
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// this will throw a 404 if it doesn't
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request(reverseUrl, (err, res, buffer) => {
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if (checkErrorResponse(badgeData, err, res)) {
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sendBadge(format, badgeData)
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return
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}
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// if the package exists, then query /feed to check the dependencies
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request(feedUrl, (err, res, buffer) => {
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if (err != null) {
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badgeData.text[1] = 'inaccessible'
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sendBadge(format, badgeData)
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return
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}
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try {
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const outdatedStr = 'Outdated dependencies for ' + repo + ' '
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if (buffer.indexOf(outdatedStr) >= 0) {
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badgeData.text[1] = 'outdated'
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badgeData.colorscheme = 'orange'
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} else {
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badgeData.text[1] = 'up to date'
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badgeData.colorscheme = 'brightgreen'
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}
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} catch (e) {
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badgeData.text[1] = 'invalid'
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}
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sendBadge(format, badgeData)
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})
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})
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})
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)
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}
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}
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