PCF Smart Bulb Demo

Overview

This repository consists of two .NET Core applications and one .NET Standard library. All code is C#. One of the applications is ASP.NET MVC (SmartBulbs.Web) and the other is a .NET Core Console application (SmartBulbs.Console). SmartBulbs.Common is for sharing models between the two applications.

Tools used

• ASP.NET Core (2.1)
  • SmartBulbs.Web: provides a UI for getting a CredHub password, reading tweets on demand, and viewing sentiment analysis and color results
    • MVC: for views and HTTP endpoints
    • SignalR: powers the Observation deck
• .NET Core Console application
  • SmartBulbs.Console:
    • polls twitter for new #cfsummit tweets
    • uses Eureka to find SmartBulbs.Web and share tweets via HTTP

Software Libraries

• LifxIoT - for calling the LIFX API to update the bulbs
• LinqToTwitter - for reading tweets
• Zxcvbn-core - .NET Port of Dan Wheeler/Dropbox's JavaScript library - for analyzing password strength
• Steeltoe
  • Service Discovery - for the SmartBulbs.Console to discover SmartBulbs.Web
  • CloudFoundry Configuration - to read Cloud Foundry environment variables
  • CredHub Client - for interactions with CredHub
  • Management - for application management and monitoring

3rd Party Services

• Microsoft Cognitive Services Text Analysis API
  • Sentiment Analysis - determines how the writer is feeling based on the words in their message
• LIFX HTTP API - controls the smart bulbs
• Twitter

Twitter monitoring overview