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server.js
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server.js
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/* global console, process */
'use strict';
var dotenv = require('dotenv');
dotenv.load({ silent: true });
var restify = require('restify');
var builder = require('botbuilder');
var request = require('request-promise');
var uuid = require('uuid4');
//=========================================================
// Bot Setup
//=========================================================
// Setup Restify Server
var server = restify.createServer();
// Ensure we don't drop data on uploads
server.pre(restify.pre.pause());
// Clean up sloppy paths like //todo//////1//
server.pre(restify.pre.sanitizePath());
// Handles annoying user agents (curl)
server.pre(restify.pre.userAgentConnection());
// Set a per request bunyan logger (with requestid filled in)
server.use(restify.requestLogger());
// Allow 5 requests/second by IP, and burst to 10
server.use(restify.throttle({
burst: 10,
rate: 5,
ip: true
}));
// Use the common stuff you probably want
server.use(restify.acceptParser(server.acceptable));
server.use(restify.dateParser());
server.use(restify.authorizationParser());
server.use(restify.queryParser());
server.use(restify.gzipResponse());
server.use(restify.bodyParser());
server.listen(process.env.port || process.env.PORT || 3978, function () {
console.log('%s listening to %s', server.name, server.url);
});
// Create chat bot
var connector = new builder.ChatConnector({
appId: process.env.MICROSOFT_APP_ID,
appPassword: process.env.MICROSOFT_APP_PASSWORD
});
var bot = new builder.UniversalBot(connector);
// var toCall = connector.listen();
server.post('/api/messages', connector.listen());
//=========================================================
// Bots Dialogs
//=========================================================
bot.dialog('/', function (session) {
// console.log('app message');
var msg, text;
text = "You said: " + session.message.text;
if (session.message.sourceEvent) {
// Echo back any custom data from the channel
msg = new builder.Message(session)
.text(text)
.sourceEvent({'*': { custom: session.message.sourceEvent }});
} else {
msg = new builder.Message(session)
.text(text)
.channelData()
.sourceEvent({'*': { custom: 'from server'}});
}
session.send(msg);
});
function checkMessages(convId, expected, res) {
var count = 0;
var actual = 0;
var response;
while (actual !== expected) {
count++;
if (count > 10) {
actual = expected;
response = {
status: 'get messages retries exceeded'
};
} else {
getMessage(convId)
.then(function (result) {
actual = result.messages;
response = {
status: 'ok',
messages: result.messages,
id: convId
};
})
.catch(function (err) {
response = {
status: 'get messages failed',
error: err
};
actual = expected; // break
});
}
}
res.json(response);
}
server.get('/api/direct/doeverything', function(req, res) {
startConversation()
.then(function(data) {
sendMessage(data.conversationId, 'Hard coded from HTTP API')
.then(function() {
checkMessages(data.conversationId, 2, res);
// getMessage(data.conversationId)
// .then(function(result) {
// res.json({
// status: 'ok',
// messages: result.messages,
// id: data.conversationId
// })
// })
// .catch(function(err) {
// res.json({
// status: 'get messages failed',
// error: err
// });
// })
})
.catch(function(err) {
res.json({
status: 'send message failed',
error: err
});
});
})
.catch(function(err) {
res.json({
status: 'connect failed',
error: err
});
});
});
var g_conversationId;
server.get('/api/direct/ping', function(req, res) {
res.json({
status: 'ping ok',
query: req.query
});
});
server.get('/api/direct/connect', function(req, res) {
startConversation()
.then(function(data) {
g_conversationId = data.conversationId;
res.json({
status: 'connect ok',
id: g_conversationId
});
})
.catch(function(err) {
res.json({
status: 'connect failed',
error: err
});
});
});
server.get('/api/direct/send', function(req, res) {
var response = {
message: req.query.msg,
id: req.query.id
};
sendMessage(req.query.id, req.query.msg)
.then(function(data) {
if (data.error) {
response.status = 'send message failed';
response.error = data.error;
res.json(response);
} else {
response.status = 'send message ok';
res.json(response);
}
})
.catch(function(err) {
response.status = 'send message error';
response.error = err;
res.json(response);
});
});
server.get('/api/direct/get', function(req, res) {
getMessage(req.query.id)
.then(function(data) {
res.json({
status: 'get message ok',
id: req.query.id,
messages: data.messages
});
})
.catch(function(err) {
res.json({
status: 'get message error',
id: req.query.id,
error: err
});
});
});
var clientSecret = process.env.BOT_DIRECT_CHANNEL_SECRET;
function startConversation() {
/*
Each conversation on the Direct Line channel must be explicitly started using a POST
to the https://directline.botframework.com/api/conversations endpoint.
If the call was authorized with a token, the conversation ID is the conversation ID in the scoped token.
If a secret was used to start the conversation, the conversation will be started with a new, random ID.
*/
var options = {
method: 'POST',
json: true,
uri: 'https://directline.botframework.com/api/conversations',
headers: {
// POST /api/tokens/conversation
Authorization: 'BotConnector ' + clientSecret
}
};
return request(options);
}
function sendMessage(convId, msg) {
if (!convId) {
convId = g_conversationId;
}
/*
The client may send messages to the bot by calling POST on
https://directline.botframework.com/api/conversations/{conversationId}/messages.
*/
var options = {
method: 'POST',
resolveWithFullResponse: true,
json: true,
uri: 'https://directline.botframework.com/api/conversations/' + convId + '/messages',
headers: {
// POST /api/tokens/conversation
Authorization: 'BotConnector ' + clientSecret
},
body: {
"id": uuid(),
"conversationId": convId,
"created": new Date().toISOString(),
"from": "Direct Line from Stanton App",
"text": msg,
"channelData": {
teamId: 'Stanton specific team',
threadId: 'Stanton Specific chat thread'
}
}
};
return request(options);
}
function getMessage(convId) {
if (!convId) {
convId = g_conversationId;
}
/*
The client may retrieve messages sent by the bot by calling GET on
https://directline.botframework.com/api/conversations/{conversationId}/messages.
The JSON structure returned contains a watermark that can be sent on subsequent requests to skip old messages.
The Direct Line API does not store messages indefinitely. Your client application must pick
them up quickly before they are deleted.
*/
var options = {
method: 'GET',
json: true,
uri: 'https://directline.botframework.com/api/conversations/' + convId + '/messages',
headers: {
// POST /api/tokens/conversation
Authorization: 'BotConnector ' + clientSecret
}
};
return request(options);
}