README.md

TwitchBrotherBack

Production URL: https://twitch-brother-back.herokuapp.com

Java Micro Service with

• a Twitch Client to Poll Twitch API as fast as possible / authorized
• a websocket server pushing the results of the streaming datas to any connected client
• a bar chart to compare datas betweens the games
• You have to download and install the client (Angular 12) to consult all the analytics (see Frontend section)

SonarCloud

• deployed on Heroku here: https://dashboard.heroku.com/apps/twitch-brother-back

Pre-installation

Open Jdk - Java

• You may need to install if not OpenJdk: https://openjdk.java.net/install/

Redis

• Download and install Redis: https://github.com/microsoftarchive/redis/releases
  • Leave default values, as Hostname = localhost and port 6379
  • Add redis repository to the PATH (Check box with MSI version)
  • with the default MSI version, windows starts autmatically a redis server as a service after installation
  • from any cmd enter redis-cli
  • to see the saved results, enter KEYS * or use a GUI Client: https://www.npmjs.com/package/redis-commander

Maven

• Download and install maven: https://maven.apache.org/download.cgi

Installation

Environment Variables

Solution 1

• use the POM file sent via email including the environment variables, and replace the existing one with

Solution 2

add the dependencies on your system

• how to define theses variables in Intellij: https://www.jetbrains.com/help/objc/add-environment-variables-and-program-arguments.html#add-environment-variables
• Define following environment variables: - values will be provided to you by email
  • TWITCH_CLIENT_ID= xxx
  • TWITCH_CLIENT_SECRET= xxx
  • ALLOWED_ORIGIN= http://localhost:4200
  • GAMES_LIST=460630,497078,506274,490382

to add them easily: TWITCH_CLIENT_ID=xxx;TWITCH_CLIENT_SECRET=xxx;ALLOWED_ORIGIN=http://localhost:4200;REDIS_HOSTNAME=localhost;REDIS_PORT=6379;GAMES_LIST=460630,497078,506274,490382 Install dependencies

• mvn clean install

Deploy

• mvn spring-boot:run. The application will deploy on http://localhost:8080
• you can modify the GAMES_LIST Environement Variable with any game id, pick one Category here https://www.twitch.tv/ubisof?lang=fr and look at "Category" in the URL
  • for example Watch Dogs is: https://www.twitch.tv/ubisoft/videos?filter=archives&category=512895
• run mvn spring-boot:run -Dspring.profiles.active=dev to display more logs

Server

This server is running correctly if the logs are looking like:

Frontend

You can copy and install the repository from: https://github.com/fukakai/TwitchBrother