Ruby on Rails

Hello Railers,

I'm building an API backend using Rails 4 and I'm struggling with finding a more elaborate way to do model queries straight from the URL than a mere ?name=Bob&age=43. What I'm after is some way to make AND, OR, LIKE etc operations straight from the URL query parameter.

Loopback on node.js has something similar:

With Loopback you can define your query as a javascript object {filter: {where: {and: [{name: {like: 'Bob%'}}, {age: 43}]}}, which, translated to query parameters, would be: ?filter[where][and][0][name][like]=Bob%25&filter[where][and][1][age]=43.

I've been looking at using Arel, Squeel, sequel-rails and of course normal ActiveRecord but none of them seem to provide this kind of URL-to-ORM query mapping out of the box. Does anyone have any other pointers or ideas of how to make this happen?

Thanks!