Added /road endpoint for vegagerdin

endpoints/road/documentation.md

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+# Road conditions in Iceland
+
+Source: [Vegagerdin](http://gagnaveita.vegagerdin.is/api/faerd2014_1)
+
+http://www.vegagerdin.is/upplysingar-og-utgafa/gagnaveita-vegagerdarinnar/
+
+-  GET [/road](https://apis.is/road)
+-  GET [/road/all](https://apis.is/road/all)
+
+Lookup road conditions in Iceland
+
+| Endpoints  | Description                                    | Example                                                          |
+|------------|------------------------------------------------|---------------------------------------------|
+| :endpoint  | Which region in Iceland to get road conditions | [all](https://apis.is/road/all)             |
+| /reykjavik |                                                | [reykjavik](https://apis.is/road/reykjavik) |
+
+---

endpoints/road/index.js

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+/* eslint-disable no-plusplus */
+/* eslint-disable no-prototype-builtins */
+/* eslint-disable prefer-destructuring */
+/* eslint-disable no-unneeded-ternary */
+
+const request = require('request')
+const xml2js = require('xml2js')
+const h = require('apis-helpers')
+const app = require('../../server')
+
+const parseString = xml2js.parseString
+
+const parseFeed = function (callback, data) {
+  parseString(data, { explicitRoot: false }, (err, result) => {
+    if (err) return callback(new Error(`Parsing of XML failed. Title ${err}`))
+    const roads = []
+    for (let i = 0; i < result.Faerd.length; ++i) {
+      const Road = result.Faerd[i]
+      roads.push({
+        routeId: Road.IdLeid[0].length > 0 ? Road.IdLeid[0] : null, // Can be null
+        routeName: Road.LeidNafn[0].length > 0 ? Road.LeidNafn[0] : null, // Can be null
+        segmentId: parseInt(Road.IdButur[0], 10),
+        segmentSerial: Road.Rodun[0],
+        segmentName: Road.LangtNafn[0],
+        segmentShortName: Road.StuttNafn[0],
+        segmentSignal: Road.Skilti[0].length > 0 ? Road.Skilti[0] : null,
+        conditionId: Road.IdAstand[0],
+        conditionDescription: Road.FulltAstand[0],
+        conditionShortDescription: Road.StuttAstand[0],
+        priority: parseInt(Road.Forgangur[0], 10),
+        comment: Road.Aths[0].length > 0 ? Road.Aths[0] : null,
+        date: Road.DagsKeyrtUt[0],
+        isHighlands: parseInt(Road.ErHalendi[0], 2) === 1 ? true : false,
+        colorCode: Road.Linulitur[0].length > 0 ? Road.Linulitur[0] : null,
+        conditionUpdated: Road.DagsSkrad[0],
+        surfaceCondition: Road.AstandYfirbords[0],
+      })
+    }
+    return callback(null, roads)
+  })
+}
+const getFeed = function (url, callback) {
+  request.get({
+    headers: { 'User-Agent': h.browser(), 'Content-Type': 'application/xml; charset=utf-8' },
+    encoding: 'utf-8',
+    url,
+  }, (error, response, body) => {
+    console.log(body)
+    if (error) return callback(new Error(`${url} did not respond ${JSON.stringify(error)}`))
+    parseFeed(callback, body)
+  })
+}
+const serve = function (url, res, next) {
+  getFeed(url, (err, data) => {
+    if (err) {
+      console.error(err)
+      return next(502)
+    }
+    res.cache(1800).json({ results: data })
+  })
+}
+app.get('/road', (req, res, next) => {
+  const url = 'http://gagnaveita.vegagerdin.is/api/faerd2014_1'
+  serve(url, res, next)
+})

endpoints/road/regions.js

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+/* eslint-disable */
+
+const request = require('request')
+const xml2js = require('xml2js')
+const h = require('apis-helpers')
+const cheerio = require('cheerio')
+const app = require('../../server')
+
+const parseString = xml2js.parseString
+
+const sourceUrl = 'http://gagnaveita.vegagerdin.is/api/faerd2014_1'
+
+const getRegionSegments = (url) => new Promise((resolve, reject) => {
+  request(url, (error, response, body) => {
+    if (error) {
+      reject(error)
+    }
+
+    let $
+
+    try {
+      $ = cheerio.load(body)
+    } catch (e) {
+      return reject(error)
+    }
+    const hotspots = $('.vg-roadmap-hotspot')
+
+    const segments = []
+    // Loop through hotspots
+    hotspots.each(function () {
+      // This hotspot
+      const hotspot = $(this)
+
+      // Find hotspot info
+      const hotspotinfo = hotspot.attr('data-hotspotinfo')
+      const obj = JSON.parse(hotspotinfo.replace(/'/g, '"'))
+      if (obj.idleid)
+        segments.push(parseInt(obj.idleid, 10))
+    })
+    resolve(segments)
+  })
+})
+const parseFeed = function (callback, data, regionUrl) {
+  parseString(data, { explicitRoot: false }, (err, result) => {
+    if (err) return callback(new Error(`Parsing of XML failed. Title ${err}`))
+    const regionSegments = getRegionSegments(regionUrl)
+    regionSegments.then((segments) => {
+      const roads = []
+
+      for (let i = 0; i < result.Faerd.length; ++i) {
+        const Road = result.Faerd[i]
+        const shortSegmentId = parseInt(Road.IdButur[0].slice(0, 5), 10)
+        if (segments.includes(shortSegmentId))
+          roads.push({
+            routeId: Road.IdLeid[0].length > 0 ? Road.IdLeid[0] : null, // Can be null
+            routeName: Road.LeidNafn[0].length > 0 ? Road.LeidNafn[0] : null, // Can be null
+            segmentId: parseInt(Road.IdButur[0], 10),
+            segmentSerial: Road.Rodun[0],
+            segmentName: Road.LangtNafn[0],
+            segmentShortName: Road.StuttNafn[0],
+            segmentSignal: Road.Skilti[0].length > 0 ? Road.Skilti[0] : null,
+            conditionId: Road.IdAstand[0],
+            conditionDescription: Road.FulltAstand[0],
+            conditionShortDescription: Road.StuttAstand[0],
+            priority: parseInt(Road.Forgangur[0], 10),
+            comment: Road.Aths[0].length > 0 ? Road.Aths[0] : null,
+            date: Road.DagsKeyrtUt[0],
+            isHighlands: parseInt(Road.ErHalendi[0], 2) === 1 ? true : false,
+            colorCode: Road.Linulitur[0].length > 0 ? Road.Linulitur[0] : null,
+            conditionUpdated: Road.DagsSkrad[0],
+            surfaceCondition: Road.AstandYfirbords[0],
+          })
+      }
+      return callback(null, roads)
+    })
+  })
+}
+const getFeed = function (url, regionUrl, callback) {
+  request.get({
+    headers: { 'User-Agent': h.browser(), 'Content-Type': 'application/xml; charset=utf-8' },
+    encoding: 'utf-8',
+    url,
+  }, (error, response, body) => {
+    if (error) return callback(new Error(`${url} did not respond ${JSON.stringify(error)}`))
+    parseFeed(callback, body, regionUrl)
+  })
+}
+
+const serve = function (url, regionUrl, res, next) {
+  getFeed(url, regionUrl, (err, data) => {
+    if (err) {
+      console.error(err)
+      return next(502)
+    }
+    res.cache(1800).json({ results: data })
+  })
+}
+
+app.get('/road/:region', (req, res, next) => {
+  const regionParam = req.params.region
+  let regionUrl = null
+  if (regionParam === 'reykjavik')
+    regionUrl = 'http://www.vegagerdin.is/ferdaupplysingar/faerd-og-vedur/reykjavik-og-nagrenni-faerd-kort/'
+  else if (regionParam === 'west')
+    regionUrl = 'http://www.vegagerdin.is/ferdaupplysingar/faerd-og-vedur/vesturland-faerd-kort/'
+  else if (regionParam === 'southwest')
+    regionUrl = 'http://vegagerdin.is/ferdaupplysingar/faerd-og-vedur/sudvesturland-faerd-kort/'
+  else if (regionParam === 'westfjords')
+    regionUrl = 'http://www.vegagerdin.is/ferdaupplysingar/faerd-og-vedur/vestfirdir-faerd-kort/'
+  else if (regionParam === 'south')
+    regionUrl = 'http://www.vegagerdin.is/ferdaupplysingar/faerd-og-vedur/sudurland-faerd-kort/'
+  else if (regionParam === 'north')
+    regionUrl = 'http://www.vegagerdin.is/ferdaupplysingar/faerd-og-vedur/nordurland-faerd-kort/'
+  else if (regionParam === 'east')
+    regionUrl = 'http://www.vegagerdin.is/ferdaupplysingar/faerd-og-vedur/austurland-faerd-kort/'
+  else if (regionParam === 'northeast')
+    regionUrl = 'http://www.vegagerdin.is/ferdaupplysingar/faerd-og-vedur/nordausturland-faerd-kort/'
+  else if (regionParam === 'southeast')
+    regionUrl = 'http://www.vegagerdin.is/ferdaupplysingar/faerd-og-vedur/sudausturland-faerd-kort/'
+  else if (regionParam === 'highlands')
+    regionUrl = 'http://www.vegagerdin.is/ferdaupplysingar/faerd-og-vedur/midhalendid-faerd-kort/'
+  serve(sourceUrl, regionUrl, res, next)
+})

endpoints/road/tests/integration_test.js

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+const request = require('request')
+const helpers = require('../../../lib/test_helpers')
+
+describe('road', () => {
+  it('should return an array of objects containing correct fields', (done) => {
+    const fieldsToCheckFor = [
+      'routeId',
+      'routeName',
+      'segmentId',
+      'segmentSerial',
+      'segmentName',
+      'segmentShortName',
+      'segmentSignal',
+      'conditionId',
+      'conditionDescription',
+      'conditionShortDescription',
+      'priority',
+      'comment',
+      'date',
+      'isHighlands',
+      'colorCode',
+      'conditionUpdated',
+      'surfaceCondition',
+    ]
+    const params = helpers.testRequestParams('/road')
+    const resultHandler = helpers.testRequestHandlerForFields(done, fieldsToCheckFor)
+    request.get(params, resultHandler)
+  })
+})