Pp.examples(camera_id: gear.pp_camera_id)Īs we’ve shown, HTTParty can be used to quickly create a robust and performant JSON API client. Using the API client is very straightforward: one line to create an API client instance, and one line to query by camera_id or lens_id. It’s a nice pattern for when you finish computing your return value but still need to reference it (to store in a cache, to log, to send an email with, etc). Object#tap is a neat method that always returns the Object, but gives you a block with the object as the first named parameter. Otherwise, it yields to the block passed in and stores the result in Redis. Handle_caching(options) checks for the existence of a key and returns the payload if available. Redis encourages human-readable key names, but if your key name starts getting unwieldy or unpredictabel in length, it’s perfectly reasonable to compute a hash of your unique identifiers, like SHA1(options.to_json) (pseudocode). (build_url_from_options(options))Īll of the caching logic is in handle_caching(options) and cache_key(options), the latter of which builds a unique key to store the cached response based on which type of request and for which ID. Raise ArgumentError, "options must specify camera_id or lens_id" Swagger is a powerful set of tools for developing, testing, deploying, maintaining, and documenting APIs. In my case, the API maintainer gave me the following test API call: &camera=īefore doing anything else, you should test the API in your browser (if it’s a simple GET based API) or using curl from the command line if you need to POST data. Nothing is more frustrating than wasting time debugging an API only to discover that your API key was invalid or the failure was otherwise on the side of the API server. When I needed to integrate a service for showing sample photographs on my camera rental web site, I built a very simple JSON API client using HTTParty in Ruby. If it’s a smaller service or a private API that was built just for you, you probably need to roll your own API client anyway. Instead of pulling in 60k of Ruby, you might be able to build your own in 60 lines. This tutorial will teach you how to use HTTParty to build a simple JSON API client with Ruby on Rails, which will save you from implementing a third-party. But on the other hand, you could be introducing low-quality gem code into your application, a much bigger library than your use case requires, or code you just don’t understand well. If you’re building a Ruby on Rails site and consuming a popular API, odds are there’s a gem for it and it’s as simple as a few lines of code to query and return what you need. This tutorial will teach you how to use HTTParty to build a simple JSON API client with Ruby on Rails, which will save you from implementing a third-party API and pulling in what could potentially be low-quality or overly large code into your own application.īuilding a robust JSON API client with Ruby Import React, from 'react' // Here V import MovieInfo from './MovieInfo'.
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