Article | 10 Reasons why — Ruby on Rails

10 Reasons why — Ruby on Rails

Eleven years ago we were involved in the emergence of a brand new technology: Ruby on Rails.

In July 2006, Abletech wrote the following blog post introducing and explaining Ruby on Rails. The article looks at the thinking behind adopting Ruby on Rails, and the advantages and disadvantages of using it.

Abletech back in the old days

Abletech back in the old days

July 2006:

Your development team has been frustrating you, projects start and four weeks later the development team is still developing the framework, your budget is running out.

You want productivity but just don’t know how to get it.

Is there an answer? One of your developers keeps mentioning this great framework called ‘Ruby on Rails’. Is this the answer?

This article discusses the positives and the negatives in moving to this new technology

  1. Ruby on Rails provides a consistent approach to building web applications with an out of the box architecture. Traditionally starting a new web application is a fairly heavy weight process, you typically need to survey and choose your various software components to solve the common architectural problems of persistence, logging, build scripts, application configuration, web tier components and workflow. With the Rails framework these decisions are already made for you, so you can get on to understanding the business problem and quickly build a working system. You become productive in minutes not weeks or months.

  2. In a Rails application, a pragmatic philosophy of convention over configuration is taken, this is apparent in all layers of the architecture with the highest productivity gains noticeable in the relationship between the model and the database. Once the developer understands the rules and constraints, Rails magically connects your view to your controller and model, and your model to the database. You don’t need generators or specialised tools to manage this, it all just works.

  3. Unlike other productive web scripting languages, Ruby is a fully featured object-oriented language. Ruby also adds additional power with mix-ins modules which contain independent code to inject into your classes, blocks and closures simplifying client code behaviour. Its dynamic nature gives it power beyond static languages such as .NET and java, and the benefits are apparent by how the Rails framework has been put together itself.

  4. Unlike other web templating technologies, the templating technology built into Rails can be used to generate web pages, emails, xml documents or any text document that requires dynamic content.

  5. Rails includes a well thought out object relationship mapping tool, ActiveRecord, which provides your answer to database persistence. Your model is seamlessly persisted to the database. Transactions, inheritance models, validation, and caching have all been thought out and are production ready. With Rails you become a lot closer to the structure of the database than traditional object-oriented development methodologies. This is a good thing as over time as the database will no doubt end up being your project’s most valuable asset.

  6. Rails includes support for a variety of web technologies. Every web application needs email integration at some point and Rails provides an out of the box smart solution, and as with other Rails technologies it gives you the complete package down to configuration in development, test and production environments. Ruby on Rails also supports web services, the integration with Rails due to the dynamic nature of Ruby is simply, clean and seamless. If you are moving into the Web 2.0 space, Rails provides a rich abstracted interface to implementing AJAX operations.

  7. Generally software projects do not mature if at all to the point of having a solid foundation to perform database migrations and rollbacks between environments and across development systems. However with the Rails framework you will be delighted with the implementation of database migrations for applying and rolling back database changes. You enter your update and rollback scripts in Ruby, Rails understands the current version and can move forwards or backwards to any database version.

  8. For development productivity, the shorter the gap between the change and test cycle the better. In Rails, changes are reflexed immediately within the runtime environment so developers can quickly iterate between fix and test cycles without any expensive redeploys. Ruby code is also easily testable. Methods and objects can be replaced at runtime so software components can easily be tested without resorting to external tools or generators.

  9. Getting started with Rails is easy as generators will propel you along. An experienced Rails developer will also become aware of numerous idioms available within the Rails framework that shared the amount of code a developer need write. Overall less code to write means lower complexity, higher productivity and less bugs.

  10. Ruby has been around for a long time, the Rails framework which has deservedly propelled Ruby into the spotlight has hit version 2.3 and is not only production ready but now well supported in the community and a stack of resource available on the web. Ruby and the Rails framework is open source and well supported by a clever team of contributors.

So what are some of the cons?

  1. If you take time to follow the Ruby examples and tutorials it may give you a false sense of productivity. They typically follow the formula of creating a database model, configuring a connection to the database and joining it up to the model controller and view by use of the generators. This is all very simple involving a dozen or so lines of code. In the real world however you will be working at higher level of complexity and will need to understand multiple facets of Ruby and the Rails framework to be productive in churning out business functionality. You will need to invest in getting up to speed with the language and framework. As Ruby is a dynamic language, more automated testing is required. Your developers will need to become more disciplined and rigorous in creating unit tests as part of their development process.

  2. If the type of development you are doing is glueing together existing systems or building back end systems, be aware that Rails is optimized for building web applications, your host system or enterprise database may not have the integration module you require for Ruby UPDATE (2010) — however JRuby is now maturing and can plug the gap by leveraging legacy java libraries and provide a lower cost to more enjoyable path to legacy integration. DSLs can be engineered to remove the laborious code java developers are use to writing.

After considering the pros and cons, my advice would be that if your business or application has tight timelines, you want a more powerful web application for your buck with alone with inbuilt tools which remove the pain and setup cost of an IT project to seriously suggest considering investment into the Ruby on Rails framework.

That was then, this is now!

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