feat: Downloading of APKs

src/index.js

@@ -1,5 +1,9 @@
 'use strict'
 
+const request = require('request')
+const debug = require('debug')
+const log = debug('apkmirror-client')
+
 module.exports = {
   searchForApps: (query, cb) =>
     get('https://www.apkmirror.com/?post_type=app_release&searchtype=app&s=' + encodeURI(query), {parser: 'appSearch'}, cb),
@@ -9,8 +13,6 @@ module.exports = {
     get(app, {parser: 'appReleasePage'}, cb),
   appVariantPage: (app, cb) =>
     get(app, {parser: 'appVariantPage'}, cb),
-  downloadAPK: (app, cb) =>
-    get(app, {parser: 'appDownloadPage'}, cb),
   estimateBestCandidate: (list, arch) => {
     const orig = list
     if (arch == 'x86_64') arch = ['x64']
@@ -51,6 +53,13 @@ module.exports = {
 
     const res = list.pop()
     return res ? orig.filter(i => i.id === res.id)[0] : false
+  },
+  downloadAPK: (url, cb) => {
+    get(url, {parser: 'appDownloadPage'}, (err, url) => {
+      if (err) return cb(err)
+      log('download apk from %s', url)
+      cb(null, request.get(url))
+    })
   }
 }
 

src/parser/appDownloadPage.js

@@ -0,0 +1,5 @@
+'use strict'
+
+module.exports = ($, window, cb) => {
+  cb(null, $('a[rel=nofollow]')[0].href)
+}

src/parser/appReleasePage.js

@@ -9,7 +9,7 @@ const cell = [
     {key: 'date', value: cleanText(e.find('.dateyear_utc').text())},
     {key: 'id', value: cleanText(e.find('a').eq(0).text())},
     {key: 'url', value: e.find('a').eq(0)[0].href},
-    {key: 'downloadAPK', value: get.appVariantPage.bind(null, e.find('a').eq(1).text())}
+    {key: 'loadVariant', value: get.appVariantPage.bind(null, e.find('a').eq(0)[0].href)}
   ],
   e => [ // arch
     {key: 'arch', value: cleanText(e.text())},

src/parser/appVariantPage.js

@@ -2,6 +2,7 @@
 
 const appPageBasic = require('./appPageBasic')
 const cleanText = s => s.replace(/\n/g, '').trim()
+const get = require('..')
 
 function getMatches (string, regex, index) {
   index = index || [1] // default to the first capturing group
@@ -18,7 +19,7 @@ module.exports = ($, window, cb) => {
   res.changelog = $('.notes').eq(1).text()
   res.download = $('.downloadButton')[0].href
   const [ver, size, aver, dpi] = $('.appspec-value').toArray()
-  console.log(ver)
+  cleanText($(ver).text()) // TODO: use this element
   res.dpi = cleanText($(dpi).text())
   res.url = window.location.href
   res.size = cleanText($(size).text())
@@ -32,6 +33,7 @@ module.exports = ($, window, cb) => {
     a[b[0]] = b[1]
     return a
   }, {})
+  res.downloadAPK = get.downloadAPK.bind(null, res.download)
 
   cb(null, res)
 }

src/parser/index.js

@@ -1,6 +1,9 @@
+const request = require('request')
+
 module.exports = {
   appSearch: require('./appSearch'),
   appPage: require('./appPage'),
   appReleasePage: require('./appReleasePage'),
-  appVariantPage: require('./appVariantPage')
+  appVariantPage: require('./appVariantPage'),
+  appDownloadPage: require('./appDownloadPage')
 }

test/index.spec.js

@@ -43,7 +43,7 @@ describe('search', () => {
     })
   })
 
-  it('should get latest non-beta ver for whatsapp', cb => {
+  it('should get latest non-beta release for whatsapp', cb => {
     wa.latest.loadRelease((err, res) => {
       expect(err).to.not.exist()
       // console.log(res, res.estimateBestCandidate('arm64'))
@@ -60,4 +60,29 @@ describe('search', () => {
       cb()
     })
   })
+
+  it('should get the variant of that release', cb => {
+    wa.dl.loadVariant((err, res) => {
+      expect(err).to.not.exist()
+      // console.log(res)
+      wa.dlfinal = res
+      expect(res.play.url).to.equal('https://play.google.com/store/apps/details?id=com.whatsapp')
+      expect(res.play.id).to.equal('com.whatsapp')
+      expect(res.play.category).to.equal('Communication')
+      expect(res.play.categoryUrl).to.equal('https://www.apkmirror.com/categories/communication/')
+      expect(res.app.name).to.equal(wa.app.name)
+      expect(res.app.url).to.equal(wa.app.url)
+      expect(res.dev.name).to.equal(wa.dev.name)
+      expect(res.dev.url).to.equal(wa.dev.url)
+      cb()
+    })
+  })
+
+  it('should download the apk', cb => {
+    wa.dlfinal.downloadAPK((err, apk) => {
+      expect(err).to.not.exist()
+      apk.pipe(require('fs').createWriteStream(require('path').join(require('os').tmpdir(), Math.random().toString())))
+      apk.once('data', () => cb())
+    })
+  })
 })