Ruby On Rails Api Controller

When your application receives a request the routing will determine which controller and action to run then rails creates an instance of that controller and runs the method with the same name as the action.

Ruby on rails api controller. Keep up to date with rails on twitter and this week in rails. Rails api を作成しよう 1. They are made up of one or more actions that are executed on request and then either it renders a template or redirects to another action. This is an important syntactical requirement of rails and must be.

A controller is a ruby class which inherits from applicationcontroller and has methods just like any other class. If your ruby version is not up to date you can update it with a ruby version manager like rvm or rbenv. Rails g controller api v1 facts note how for models we use the singular user and for controllers we use plural users. This means that the cache middleware will store off the last modified value for a url in the rails cache and add an if modified since header to any subsequent inbound requests for the same url.

To learn more about why rails is so different from many other web application frameworks and paradigms examine the rails doctrine. Ruby on rails tutorial. An api controller is different from a normal controller in the sense that by default it doesn t include a number of. Ruby on rails has been popularizing both concepts along with a variety of other controversial points since the beginning.

An action is defined as a public method on the controller which will automatically be made accessible to the web server through rails routes. Usually this means returning html but rails controllers can also generate xml json pdfs mobile specific views and more. Action controllers are the core of a web request in rails. Think of it as page caching using http semantics.

Api controller is a lightweight version of actioncontroller base created for applications that don t require all functionalities that a complete rails controller provides allowing you to create controllers with just the features that you need for api only applications. Before we begin make sure you have ruby version 2 2 2 and rails version 5.