├── .gitignore
├── CONTRIBUTING.md
├── package.json
├── readme.md
└── src
    └── middleware.js


/.gitignore:
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1 | node_modules
2 | .vscode
3 | 


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/CONTRIBUTING.md:
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 1 | # Instructions for Contributing Code
 2 | 
 3 | This project welcomes contributions and suggestions.  Most contributions require you to agree to a
 4 | Contributor License Agreement (CLA) declaring that you have the right to, and actually do, grant us
 5 | the rights to use your contribution. For details, visit https://cla.microsoft.com.
 6 | 
 7 | When you submit a pull request, a CLA-bot will automatically determine whether you need to provide
 8 | a CLA and decorate the PR appropriately (e.g., label, comment). Simply follow the instructions
 9 | provided by the bot. You will only need to do this once across all repos using our CLA.
10 | 
11 | When you submit a pull request, a CLA-bot will automatically determine whether you need to provide
12 | a CLA and decorate the PR appropriately (e.g., label, comment). Simply follow the instructions
13 | provided by the bot. You will only need to do this once across all repos using our CLA.
14 | 
15 | ## Code of Conduct
16 | 
17 | This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/). For more information see the [Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/) or contact [opencode@microsoft.com](mailto:opencode@microsoft.com) with any additional questions or comments.
18 | 


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/package.json:
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 1 | {
 2 |   "name": "botkit-rasa",
 3 |   "version": "1.0.0",
 4 |   "description": "",
 5 |   "main": "src/middleware.js",
 6 |   "scripts": {
 7 |     "test": "echo \"Error: no test specified\" && exit 1"
 8 |   },
 9 |   "author": "ben@howdy.ai",
10 |   "license": "ISC",
11 |   "dependencies": {
12 |     "debug": "^2.6.8",
13 |     "request": "^2.81.0",
14 |     "request-promise": "^4.2.1"
15 |   }
16 | }
17 | 


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/readme.md:
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 1 | # Botkit / rasa NLU plugin
 2 | 
 3 | This plugin provides Botkit developers a way to use the [rasa NLU](https://rasa.ai/) open source, self hosted natural language API.
 4 | 
 5 | 
 6 | ```
 7 | var rasa = require('botkit-rasa')({rasa_uri: 'http://localhost:5000'});
 8 | controller.middleware.receive.use(rasa.receive);
 9 | 
10 | controller.hears(['my_intent'],'message_received', rasa.hears, function(bot, message) {
11 | 
12 |     console.log('Intent:', message.intent);
13 |     console.log('Entities:', message.entities);    
14 | 
15 | });
16 | ```
17 | 


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/src/middleware.js:
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 1 | const request = require('request-promise')
 2 | const debug = require('debug')('botkit:rasa')
 3 | 
 4 | module.exports = config => {
 5 |   if (!config) {
 6 |     config = {}
 7 |   }
 8 | 
 9 |   if (!config.rasa_uri) {
10 |     config.rasa_uri = 'http://localhost:5000'
11 |   }
12 | 
13 |   var middleware = {
14 |     receive: (bot, message, next) => {
15 |       if (!message.text || message.is_echo) {
16 |         next()
17 |         return
18 |       }
19 | 
20 |       debug('Sending message to Rasa', message.text)
21 |       const options = {
22 |         method: 'POST',
23 |         uri: `${config.rasa_uri}/parse`,
24 |         body: {
25 |           q: message.text
26 |         },
27 |         json: true
28 |       }
29 | 
30 |       request(options)
31 |         .then(response => {
32 |           debug('Rasa response', response)
33 |           message.intent = response.intent
34 |           message.entities = response.entities
35 |           next()
36 |         })
37 |     },
38 | 
39 |     hears: (patterns, message) => {
40 |       return patterns.some(pattern => {
41 |         if (message.intent.name === pattern) {
42 |           debug('Rasa intent matched hear pattern', message.intent, pattern)
43 |           return true
44 |         }
45 |       })
46 |     }
47 | 
48 |   }
49 |   return middleware
50 | }
51 | 


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