| var EventEmitter = require('eventemitter3') |
| var Promise = require('bluebird') |
| Promise.longStackTraces() |
| |
| module.exports = function InstallService( |
| $rootScope |
| , $http |
| , $filter |
| , StorageService |
| ) { |
| var installService = Object.create(null) |
| |
| function Installation(state) { |
| this.progress = 0 |
| this.state = state |
| this.settled = false |
| this.success = false |
| this.error = null |
| this.href = null |
| this.manifest = null |
| this.launch = true |
| } |
| |
| Installation.prototype = Object.create(EventEmitter.prototype) |
| Installation.prototype.constructor = Installation |
| |
| Installation.prototype.apply = function($scope) { |
| function changeListener() { |
| $scope.safeApply() |
| } |
| |
| this.on('change', changeListener) |
| |
| $scope.$on('$destroy', function() { |
| this.removeListener('change', changeListener) |
| }.bind(this)) |
| |
| return this |
| } |
| |
| Installation.prototype.update = function(progress, state) { |
| this.progress = Math.floor(progress) |
| this.state = state |
| this.emit('change') |
| } |
| |
| Installation.prototype.okay = function(state) { |
| this.settled = true |
| this.progress = 100 |
| this.success = true |
| this.state = state |
| this.emit('change') |
| } |
| |
| Installation.prototype.fail = function(err) { |
| this.settled = true |
| this.progress = 100 |
| this.success = false |
| this.error = err |
| this.emit('change') |
| } |
| |
| installService.installUrl = function(control, url) { |
| var installation = new Installation('downloading') |
| $rootScope.$broadcast('installation', installation) |
| return control.uploadUrl(url) |
| .progressed(function(uploadResult) { |
| installation.update(uploadResult.progress / 2, uploadResult.lastData) |
| }) |
| .then(function(uploadResult) { |
| installation.update(uploadResult.progress / 2, uploadResult.lastData) |
| installation.manifest = uploadResult.body |
| return control.install({ |
| href: installation.href |
| , manifest: installation.manifest |
| , launch: installation.launch |
| }) |
| .progressed(function(result) { |
| installation.update(50 + result.progress / 2, result.lastData) |
| }) |
| }) |
| .then(function() { |
| installation.okay('installed') |
| }) |
| .catch(function(err) { |
| installation.fail(err.code || err.message) |
| }) |
| } |
| |
| installService.installFile = function(control, $files) { |
| var installation = new Installation('uploading') |
| $rootScope.$broadcast('installation', installation) |
| return StorageService.storeFile('apk', $files, { |
| filter: function(file) { |
| return /\.apk$/i.test(file.name) |
| } |
| }) |
| .progressed(function(e) { |
| if (e.lengthComputable) { |
| installation.update(e.loaded / e.total * 100 / 2, 'uploading') |
| } |
| }) |
| .then(function(res) { |
| installation.update(100 / 2, 'processing') |
| installation.href = res.data.resources.file.href |
| return $http.get(installation.href + '/manifest') |
| .then(function(res) { |
| if (res.data.success) { |
| installation.manifest = res.data.manifest |
| return control.install({ |
| href: installation.href |
| , manifest: installation.manifest |
| , launch: installation.launch |
| }) |
| .progressed(function(result) { |
| installation.update(50 + result.progress / 2, result.lastData) |
| }) |
| } |
| else { |
| throw new Error('Unable to retrieve manifest') |
| } |
| }) |
| }) |
| .then(function() { |
| installation.okay('installed') |
| }) |
| .catch(function(err) { |
| installation.fail(err.code || err.message) |
| }) |
| } |
| |
| return installService |
| } |
