Re: Retrieve changes in remote dataset

I don't do much web programming at all, but when I have, I really like creating REST interfaces with Dancer2. It's exceptionally easy to get started with their documentation, and build from there.

You create one app that crunches your back-end data, and serves it up within normal subroutines, but those calls are available as HTTP URLs.

Then, you can use pretty well any language to access the data over the web. Most all languages have a REST client API. In Perl and Python it's trivial, as is with C#, C++ etc. You can even use plain HTML/jQuery if you so chose.

The learning curve is a bit high, but once you are familiar with the basics and start playing around with some of the more popular plugins, you'll be glad you went down the road because now your application/data is available to any and pretty well all consumer types.

An application which I built (which still isn't completely finished) that may serve as an initial example is App::RPi::EnvUI. It's a REST API for a grow room environment control. All client code is in the public/js files. The main module is the front end, which uses a separate internal API module that actually manages data and does the real work.

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Re^2: Retrieve changes in remote dataset by hippo (Archbishop) on Jul 17, 2017 at 13:23 UTC
I'm perfectly happy with REST and have several APIs for other things already in production using REST::Application and REST::Client. So, if there isn't already something on CPAN to do this that is very likely to be the way I would go. The question was more intended to be that the general problem (irrespective of JSON or REST or whatever) of requesting a list of records since some timestamp, ordered by timestamp, has probably already been solved. So let's just use that instead of re-inventing the wheel. Of course, if it turns out that there isn't an implementation on CPAN I might as well publish the one I write. While typing this, one thought has occurred which is that there might be an RSS implementation which could be made to do this. I will have another dig.	[reply]

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Re^2: Retrieve changes in remote dataset
by hippo (Archbishop) on Jul 17, 2017 at 13:23 UTC

I'm perfectly happy with REST and have several APIs for other things already in production using REST::Application and REST::Client. So, if there isn't already something on CPAN to do this that is very likely to be the way I would go.

The question was more intended to be that the general problem (irrespective of JSON or REST or whatever) of requesting a list of records since some timestamp, ordered by timestamp, has probably already been solved. So let's just use that instead of re-inventing the wheel.

Of course, if it turns out that there isn't an implementation on CPAN I might as well publish the one I write.

While typing this, one thought has occurred which is that there might be an RSS implementation which could be made to do this. I will have another dig.

[reply]