forked from watson-developer-cloud/assistant-simple
-
Notifications
You must be signed in to change notification settings - Fork 1
/
app.js
131 lines (114 loc) · 4.55 KB
/
app.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
/**
* Copyright 2015 IBM Corp. 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';
var nodemailer = require('nodemailer'); // to send emails
var express = require('express'); // app server
var bodyParser = require('body-parser'); // parser for post requests
var Conversation = require('watson-developer-cloud/conversation/v1'); // watson sdk
var app = express();
// Bootstrap application settings
app.use(express.static('./public')); // load UI from public folder
app.use(bodyParser.json());
// Create the service wrapper
var conversation = new Conversation({
// If unspecified here, the CONVERSATION_USERNAME and CONVERSATION_PASSWORD env properties will be checked
// After that, the SDK will fall back to the bluemix-provided VCAP_SERVICES environment property
// username: '<username>',
// password: '<password>',
// url: 'https://gateway.watsonplatform.net/conversation/api',
version_date: Conversation.VERSION_DATE_2017_04_21
});
//email sending part
var transporter = nodemailer.createTransport({
service: 'Gmail',
auth: {
user: '[email protected]',
pass: ''
}
});
var mailOptions = {
from: '[email protected]',
to: '[email protected]',
subject: 'Sending Email using Node.js',
text: 'That was easy!'
};
// Endpoint to be call from the client side
app.post('/api/message', function(req, res) {
var workspace = process.env.WORKSPACE_ID || '<workspace-id>';
if (!workspace || workspace === '<workspace-id>') {
return res.json({
'output': {
'text': 'The app has not been configured with a <b>WORKSPACE_ID</b> environment variable. Please refer to the ' + '<a href="https://github.com/watson-developer-cloud/conversation-simple">README</a> documentation on how to set this variable. <br>' + 'Once a workspace has been defined the intents may be imported from ' + '<a href="https://github.com/watson-developer-cloud/conversation-simple/blob/master/training/car_workspace.json">here</a> in order to get a working application.'
}
});
}
var payload = {
workspace_id: workspace,
context: req.body.context || {},
input: req.body.input || {}
};
// Send the input to the conversation service
conversation.message(payload, function(err, data) {
if (err) {
return res.status(err.code || 500).json(err);
}
return res.json(updateMessage(payload, data));
});
});
/**
* Updates the response text using the intent confidence
* @param {Object} input The request to the Conversation service
* @param {Object} response The response from the Conversation service
* @return {Object} The response with the updated message
*/
function updateMessage(input, response) {
var responseText = null;
/*try and get the email true bit*/
if(response.context.email){
response.context.email=null;//set send variable to null so we dont send email every time
transporter.sendMail(mailOptions, function(error, info){
if (error) {
console.log(error);
} else {
console.log('Email sent: ' + info.response);
}
});
}
/*end of send email bit*/
if (!response.output) {
response.output = {};
} else {
return response;
}
if (response.intents && response.intents[0]) {
var intent = response.intents[0];
// Depending on the confidence of the response the app can return different messages.
// The confidence will vary depending on how well the system is trained. The service will always try to assign
// a class/intent to the input. If the confidence is low, then it suggests the service is unsure of the
// user's intent . In these cases it is usually best to return a disambiguation message
// ('I did not understand your intent, please rephrase your question', etc..)
if (intent.confidence >= 0.75) {
responseText = 'I understood your intent was ' + intent.intent;
} else if (intent.confidence >= 0.5) {
responseText = 'I think your intent was ' + intent.intent;
} else {
responseText = 'I did not understand your intent';
}
}
response.output.text = responseText;
return response;
}
module.exports = app;