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Integração Watson + Facebook
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var express = require('express'); | |
var request = require('request'); | |
var bodyParser = require('body-parser'); | |
var watson = require('watson-developer-cloud'); | |
var app = express(); | |
app.use(bodyParser.urlencoded({ extended: false })) | |
app.use(bodyParser.json()) | |
var conversation_id = ""; | |
var w_conversation = watson.conversation({ | |
url: 'https://gateway.watsonplatform.net/conversation/api', | |
username: process.env.CONVERSATION_USERNAME || 'username', | |
password: process.env.CONVERSATION_PASSWORD || 'password', | |
version: 'v1', | |
version_date: '2016-07-11' | |
}); | |
var workspace = process.env.WORKSPACE_ID || 'workspaceId'; | |
app.get('/webhook/', function (req, res) { | |
if (req.query['hub.verify_token'] === 'tokenDeVerificacaoFacebook') { | |
res.send(req.query['hub.challenge']); | |
} | |
res.send('Erro de validação no token.'); | |
}); | |
app.post('/webhook/', function (req, res) { | |
var text = null; | |
messaging_events = req.body.entry[0].messaging; | |
for (i = 0; i < messaging_events.length; i++) { | |
event = req.body.entry[0].messaging[i]; | |
sender = event.sender.id; | |
if (event.message && event.message.text) { | |
text = event.message.text; | |
}else if (event.postback && !text) { | |
text = event.postback.payload; | |
}else{ | |
break; | |
} | |
var params = { | |
input: text, | |
context: {"conversation_id": conversation_id} | |
} | |
var payload = { | |
workspace_id: workspace | |
}; | |
if (params) { | |
if (params.input) { | |
params.input = params.input.replace("\n",""); | |
payload.input = { "text": params.input }; | |
} | |
if (params.context) { | |
payload.context = params.context; | |
} | |
} | |
callWatson(payload, sender); | |
} | |
res.sendStatus(200); | |
}); | |
function callWatson(payload, sender) { | |
w_conversation.message(payload, function (err, convResults) { | |
if (err) { | |
return responseToRequest.send("Erro."); | |
} | |
if(convResults.context != null) | |
conversation_id = convResults.context.conversation_id; | |
if(convResults != null && convResults.output != null){ | |
var i = 0; | |
while(i < convResults.output.text.length){ | |
sendMessage(sender, convResults.output.text[i++]); | |
} | |
} | |
}); | |
} | |
function sendMessage(sender, text_) { | |
text_ = text_.substring(0, 319); | |
messageData = { text: text_ }; | |
request({ | |
url: 'https://graph.facebook.com/v2.6/me/messages', | |
qs: { access_token: token }, | |
method: 'POST', | |
json: { | |
recipient: { id: sender }, | |
message: messageData, | |
} | |
}, function (error, response, body) { | |
if (error) { | |
console.log('Error sending message: ', error); | |
} else if (response.body.error) { | |
console.log('Error: ', response.body.error); | |
} | |
}); | |
}; | |
var token = "tokenFB"; | |
var host = (process.env.VCAP_APP_HOST || 'localhost'); | |
var port = (process.env.VCAP_APP_PORT || 3000); | |
app.listen(port, host); |
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Eu encontrei este tutorial para watson diálogo, eu gostaria de saber como faço para usá-lo em watson conversa, eu quero implementar apenas a parte da estrutura do messenger, para o meu watson conversation possa enivar imagens, botões
https://github.com/nheidloff/facebook-watson-bot/blob/master/app.js
function sendButtonMessage(recipient, text, buttons) {
request({
url: 'https://graph.facebook.com/v2.6/me/messages',
qs: {access_token:token},
method: 'POST',
json: {
recipient: {id:recipient},
message: {
"attachment":{
"type":"template",
"payload":{
"template_type":"button",
"text":text,
"buttons": buttons
}
}
}
}
},
function(error, response, body) {
if (error) {
console.log('Error sending message: ', error);
} else if (response.body.error) {
console.log('Error: ', response.body.error);
}
});
}
function sendGenericTemplateMessageWithTweets(recipient, author, imageUrl, title, url) {
request({
url: 'https://graph.facebook.com/v2.6/me/messages',
qs: {access_token:token},
method: 'POST',
json: {
recipient: {id:recipient},
message: {
"attachment":{
"type":"template",
"payload":{
"template_type":"generic",
"elements": [
{
"title":author,
"image_url":imageUrl,
"subtitle":title,
"buttons":[
{
"type":"web_url",
"url":url,
"title":"View Tweet"
}
]
}
]
}
}
}
}
},
function(error, response, body) {
if (error) {
console.log('Error sending message: ', error);
} else if (response.body.error) {
console.log('Error: ', response.body.error);
}
});
}
No meu bot estou seguindo este tutorial
http://www.ibm.com/developerworks/br/cloud/library/criando-chat-bots-ibm-watson-pt2/index.html
https://github.com/nheidloff/facebook-watson-bot/blob/master/app.js
Eu quero colocar a função 1 app.js no meu bot, e como posso indicá-lo na caixa de diálogo do meu bot? Quero enviar fotos, vídeos, botões