Ruby On Rails Api Controller

The controller layeris responsible for handling incoming http requests and providing a suitable response.

Ruby on rails api controller.

Ruby on rails tutorial. 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. When you use the send file method inside a rails controller it sets the x sendfile header.

If your ruby version is not up to date you can update it with a ruby version manager like rvm or rbenv. 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. To learn more about why rails is so different from many other web application frameworks and paradigms examine the rails doctrine. Think of it as page caching using http semantics.

Usually this means returning html but rails controllers can also generate xml json pdfs mobile specific views and more. 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. 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. Ruby v ruby 2 3 0p0 2015 12 25 revision 53290 x86 64 darwin16 rails v rails 5 0 1.

Before we begin make sure you have ruby version 2 2 2 and rails version 5. Rails g controller api v1 facts note how for models we use the singular user and for controllers we use plural users. An api controller is different from a normal controller in the sense that by default it doesn t include a number of. An action is defined as a public method on the controller which will automatically be made accessible to the web server through rails routes.

Ruby on rails has been popularizing both concepts along with a variety of other controversial points since the beginning. Rails api を作成しよう 1.