Nicolas Garnier
8 years ago
6 changed files with 86 additions and 100 deletions
@ -0,0 +1,58 @@ |
|||
/** |
|||
* Copyright 2016 Google Inc. All Rights Reserved. |
|||
* |
|||
* Licensed under the Apache License, Version 2.0 (the "License"); |
|||
* you may not use this file except in compliance with the License. |
|||
* You may obtain a copy of the License at |
|||
* |
|||
* http://www.apache.org/licenses/LICENSE-2.0
|
|||
* |
|||
* Unless required by applicable law or agreed to in writing, software |
|||
* distributed under the License is distributed on an "AS IS" BASIS, |
|||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
|||
* See the License for the specific language governing permissions and |
|||
* limitations under the License. |
|||
*/ |
|||
'use strict'; |
|||
|
|||
const functions = require('firebase-functions'); |
|||
var request = require('request-promise'); |
|||
|
|||
// List of output languages.
|
|||
var LANGUAGES = ['en', 'es', 'de', 'fr', 'sv', 'ga', 'it', 'jp']; |
|||
|
|||
// Translate an incoming message.
|
|||
exports.translate = functions.database().path('/messages/$languageID/$messageID').on('value', event => { |
|||
if (event.data.val().translated) { |
|||
return; |
|||
} |
|||
var paths = event.data.ref.toString().split('/'); |
|||
var promises = []; |
|||
for (var i = 0; i < LANGUAGES.length; i++) { |
|||
var language = LANGUAGES[i]; |
|||
if (language !== paths[1]) { |
|||
promises.push(createTranslationPromise(paths[1], language, event.data)); |
|||
} |
|||
} |
|||
return Promise.all(promises); |
|||
}); |
|||
|
|||
// URL to the Google Translate API.
|
|||
// TODO: Change `<YOUR_BROWSER_API_KEY>` by your Google Developers Console project API key.
|
|||
function createTranslateUrl(source, target, payload) { |
|||
return `https://www.googleapis.com/language/translate/v2?key=<YOUR_BROWSER_API_KEY>&source=${source}&target=${target}&q=${payload}`; |
|||
} |
|||
|
|||
function createTranslationPromise(source, target, snapshot) { |
|||
const key = snapshot.key; |
|||
const message = snapshot.val().message; |
|||
return request(createTranslateUrl(source, target, message), {resolveWithFullResponse: true}).then( |
|||
response => { |
|||
if (response.statusCode === 200) { |
|||
const data = JSON.parse(response.body).data; |
|||
return functions.app.database().ref(`messages/${target}/${key}`) |
|||
.set({message: data.translations[0].translatedText, translated: true}); |
|||
} |
|||
throw response.body; |
|||
}); |
|||
} |
|||
@ -0,0 +1,9 @@ |
|||
{ |
|||
"main": "index.js", |
|||
"dependencies": { |
|||
"firebase": "^3.3.0", |
|||
"firebase-functions": "https://storage.googleapis.com/firebase-preview-drop/node/firebase-functions/firebase-functions-preview.latest.tar.gz", |
|||
"request-promise": "^2.0.0", |
|||
"rsvp": "^3.1.0" |
|||
} |
|||
} |
|||
@ -1,71 +0,0 @@ |
|||
/** |
|||
* Copyright 2015 Google Inc. All Rights Reserved. |
|||
* |
|||
* Licensed under the Apache License, Version 2.0 (the "License"); |
|||
* you may not use this file except in compliance with the License. |
|||
* You may obtain a copy of the License at |
|||
* |
|||
* http://www.apache.org/licenses/LICENSE-2.0
|
|||
* |
|||
* Unless required by applicable law or agreed to in writing, software |
|||
* distributed under the License is distributed on an "AS IS" BASIS, |
|||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
|||
* See the License for the specific language governing permissions and |
|||
* limitations under the License. |
|||
*/ |
|||
'use strict'; |
|||
|
|||
// Create an all access Firebase Database reference.
|
|||
var Firebase = require('firebase'); |
|||
var env = require('./env'); |
|||
var ref = new Firebase(env.get('firebase.database.url'), 'admin'); |
|||
ref.auth(env.get('firebase.database.token')); |
|||
|
|||
var request = require('request-promise'); |
|||
var RSVP = require('rsvp'); |
|||
|
|||
// List of output languages.
|
|||
var LANGUAGES = ['en', 'es', 'de', 'fr', 'sv', 'ga', 'it', 'jp']; |
|||
|
|||
// Translate an incoming message.
|
|||
function translate(context, data) { |
|||
var paths = data.path.split("/"); |
|||
var promises = []; |
|||
ref.child(data.path).once('value').then(function(snap) { |
|||
for (var i = 0; i < LANGUAGES.length; i++) { |
|||
var language = LANGUAGES[i]; |
|||
if (language !== paths[1]) { |
|||
promises.push(createTranslationPromise(paths[1], language, snap)); |
|||
} |
|||
} |
|||
RSVP.all(promises).then(function() { |
|||
context.done(); |
|||
}) |
|||
}).catch(context.done); |
|||
} |
|||
|
|||
// URL to the Google Translate API.
|
|||
// TODO: Change `<YOUR_BROWSER_API_KEY>` by your Google Developers Console project API key.
|
|||
function createTranslateUrl(source, target, payload) { |
|||
return 'https://www.googleapis.com/language/translate/v2?key=<YOUR_BROWSER_API_KEY>&source=' + |
|||
source + '&target=' + target + '&q=' + payload; |
|||
} |
|||
|
|||
function createTranslationPromise(source, target, snapshot) { |
|||
var key = snapshot.key(); |
|||
var message = snapshot.val()['message']; |
|||
return request(createTranslateUrl(source, target, message), {resolveWithFullResponse: true}).then( |
|||
function(response) { |
|||
if (response.statusCode == 200) { |
|||
var data = JSON.parse(response.body).data; |
|||
return ref.child('messages/' + target + '/' + key) |
|||
.set({message: data['translations'][0]['translatedText'], translated: true}); |
|||
} else { |
|||
throw response.body; |
|||
} |
|||
}); |
|||
} |
|||
|
|||
module.exports = { |
|||
translate: translate |
|||
} |
|||
@ -1,8 +0,0 @@ |
|||
{ |
|||
"main": "index.js", |
|||
"dependencies": { |
|||
"firebase": "^2.4.0", |
|||
"request-promise": "^2.0.0", |
|||
"rsvp": "^3.1.0" |
|||
} |
|||
} |
|||
Loading…
Reference in new issue