Developers across the world rely on Ruby on Rails to build robust and high quality web applications within a shorter timeframe. In addition to being highly flexible and compatibility with multiple platforms, the web application development framework further makes it easier for developers to adopt agile development and avoid repetitive coding. However, the developers also need to understand and implement a number of best practices for Ruby on Rails applications write and maintain their code in a cleaner and efficient way.
Widely Used Coding Best Practices for Ruby on Rails Development
1) Bundle Your Code into Plugins and Gems
The web application framework allows developers to access a variety of rubygems. So the developer can always use the rubygems developed by others to solve relatively general problems. You can always consider reusing the existing code by extracting it into a plugin or gem. Also, the gem or plugin can be used more widely. You can further simplify the application design by extracting code from it. Similarly, you can consider using existing gems and plugins to avoid writing lengthy code.
2) Shift Logic Code from Controllers to Model
You can always optimize your coding by having most of the logic code on the models. It is also a good idea to move the logic code from controllers to model. The coding can be further optimized by keeping the controllers clean as these controllers remain loaded constantly. On the other hand, the models are loaded only based on requirements. So your application will use less memory when the logic code is moved from controllers to model.
3) Use Scope Access
The availability of an object can be easily determined by using scope access. Instead of using Finders, you can use scope access to gather the information directly from the object. Also, the coding can be modified to use Scope access for most of the objects created for the current project. Thus, code access will help you in reducing the number of calls, and faster execution.
4) Use Local Variables rather than Instance Variables
Ruby on Rails enables developers to access the @variable in views. Many developers even use the element in various parts of the code without evaluating the requirements. You can always optimize the coding by eliminating the instance variables. It is also important to check the instance variables, and convert them into local variables. The local variables can be further transferred smoothly from the view to the partial as part of :locals.
5) Eliminate Empty Helpers
You can always move all the Ruby code to the helpers by creating relevant methods. These methods can be called from the view to effectuate your coding. However, you must remember that additional helpers are created each time you create controllers. Despite being concise, the helpers will be loaded each time the application is launched. So the additional helpers can affect the loading time of the application negatively. You must check these helpers, and remove the helpers without any method to reduce the loading time of your Ruby application.
6) Organize Your Logic through Non-Database-Backed Models
While adopting the MVC approach, each developer has option to use both database-backed and non-database-backed models. Like other MVC development frameworks, Ruby on Rails also allows developers to use both models. However, you can always opt for the non-database-backed model to keep your logic clean and organized. Also, the virtual models can be used to adopt a RESTful controller design that facilitates data access from multiple sources. These practices will make it easier for the controller code to interact with these models.
Each Ruby developer has options to implement many coding best practices and techniques to shorten development cycles. At the same time, he can further create new best practices for Ruby on Rails applications based on his own experience and skills.
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