I recently faced a challenge with my OpenHAB setup that I thought I’d share with the community. I’ve always been a fan of sitemaps for mobile interaction, but the static nature of sitemaps was driving me crazy. Imagine having to repeat the same code block 33 times for each zone in my home! It was not only time-consuming but also error-prone.
After some research, I stumbled upon the JRuby OpenHAB Rules System and decided to give it a try. Using Ruby’s ERB templating engine, I was able to transform my static sitemap into a dynamic one. The result? A much cleaner, more maintainable setup!
Here’s how I did it: I created a template for my music controls and used partial rendering to generate the sitemap dynamically. For example, instead of writing the same code for every room, I now use a single line like <%= render('music', zone: 7) %>. This approach not only saved me countless hours but also made future updates a breeze.
One thing to note is that the templating engine doesn’t handle indentation, so I added a formatting method to strip whitespace and properly indent the generated sitemap. This ensures everything looks neat and is easy to read.
I’m absolutely thrilled with the outcome and would love to hear if others have tried similar solutions or have suggestions for improvement. Happy automating! 