FastChat

The logic behind a ChatBot which analyzes user inputs and queries a database

Built using:

• Spring Boot
• AWS comprehend
• AWS EC2 or on localhost
• AWS RDS (MySQL)

Usage and Paramters

• By default the service is hosted on port 8080
• Acceptes Get requests

• text - Required: The user input message
• limit - Optional: limits the number of input returned

http://${your ip}:8080/${input}?limit=${int value}

Example

http://localhost:8080/who works in toronto?limit=20

Result

• Response is in JSON

• Response - There are two parts to the response
  • resultList - An JSON Array which contains all the information from the query
  • plainText - A simplified string that combines all the information from resultList into a sentence

Installation

• Java 8
• Import as a Maven Project
• Create an AWS account and and create an Access/Secret Key
• Launch an MySQL RDS instance
• Launch an EC2 Ubuntu 16.04 instance

Put the apporiate values in {resources/application.properites}

spring.datasource.url=
spring.datasource.username=
spring.datasource.password=
AWS_ACCESS_KEY=
AWS_SECRET_KEY=
...

Setting up this application as a TOMCAT server

• build your applicaiton as a .war file
• Follow this guide to setup your server as a Tomcat server
• In the application manager, run your .war file

** NOTE ** You will need to configure your own SQL database and will need to change Dao/AWS_RDS_dao to suit your needs. My database is setup as such:

Testing

You can write your own Junit testing in src/test/java

TODO

• Swtich to elastic search and OpenNLP