Abstract. – Ruby on Rails is a web development framework for database back-ended applications. This framework is becoming very popular in the agile development due to its productivity and agility features. Ruby on Rails have built-in solutions to many common problems that developer face during web development. Furthermore, this framework favors convention over configuration, which makes the web development more agile. Additionally, these conventions make the web applications more maintainable as well, because the developers adopt the Rails convention and sensitive defaults.
Ruby on Rails (RoR) is open source web framework written in the Ruby programming language, and all the applications in Rails are written in Ruby. Ruby on Rails is focused on productivity and enforces agile web development.
Rails framework leverages the features of the Ruby language. Yukishiro Matzumoto designed this language in 1995 influence by Perl, Eiffel, Python, Smalltalk and others. It’s a dynamically typed, fully object-oriented, general-purpose scripting language. Ruby was designed to have an elegant syntax and made as human readable as possible, for instance it does not need colons and parenthesis around parameters. Some parts of the code are read like English declarations.
The Ruby on Rails framework was designed for database-backed web applications. It was created as a response to heavy web frameworks such as J2EE and the .NET framework. In order to make the development process faster, Ruby on Rails uses conventions and assumptions that are considered best ways to accomplish tasks, and it’s designed to encourage those. This convention eliminates configuration code and increases productivity. Many of the common tasks for web development are built-in in the framework to work out-of-the-box. This includes email management, object-database mappers, file structures, code generation, how the elements are named and organized and so on. All of these conventions allow developers to write less code and develop agile applications. Additionally, the enhance maintainability and understandability around the Ruby on Rails developers’ community.
Ruby on Rails architecture has the following features:
The above-described features are distributed in the following Rails’ components and the Fig. 2 shows the interaction between some of these components:
Figure 2. Reference model depicting the overall framework architecture [source]
Ruby on Rails uses the Model-View-Controller (MVC) architectural pattern in order to improve the maintainability of the application. The Model centralizes the business logic, the View manages the display logic, while the Controller deals with the application flow. The MVC allows a clean separation of concerns, in the way that it keeps the business logic separated from HTML views. Additionally, it improves decoupling and testing.
The Model layer carries the business logic of the application and the rules to manipulate the data. In Ruby on Rails, the models are used to manage the interaction with their corresponding elements in the database. The Models represent the information in the database and do the appropriate validations.
The view is the front-end of the application, representing the user interface. In Ruby on Rails, views are HTML files with embedded Ruby code. The embedded Ruby code in the HTMLs is fairly simple (loops and conditionals). It is only used to display data to the user in the form of views. Views are used to provide the data to the browsers that requested the web pages. Views can server content in several formats, such as HTML, PDF, XML, RSS and more.
Controllers interact with models and views. The incoming requests from the browsers are processed by the controllers, which process the data from the models and pass it to the views for presentation.
This module is responsible for providing e-mail services. It processes incoming mails and creates new ones. This module can handle simple text or complex rich-format emails. Also it has common tasks built-in, such as, sending out forgotten passwords, welcome messages, and fulfilling any other written-communication’s need. Action Mailer is wrapped around the Action Controller. It provides ways to make email with templates in the same way that Action View uses it to render web pages.
The Action Pack module provides the controller and view layers of the MVC patterns. These modules capture the user requests made by the browser and map these requests to actions. These actions are defined in the controllers layer and later the actions render a view that is displayed in the browser. Action Pack is divided in 3 sub-modules, which are: Action Dispatch, Action Controller, and Action View.
Define the interface between the Action Pack and the Active Record modules. Also, Action Record interfaces can be used outside of Rails framework to provide Object-relational mapping (ORM) functionalities.
Active record is an architectural pattern used to manage data in relational databases through objects. In Ruby on Rails the Active Record module provides object-relational mapping to classes. This module builds the Model layer that connects the database tables with its representation in ruby classes. Rails provide tools to implement the CRUD functionality with zero-configuration. CRUD allows creating, reading, updating and deleting records from the database through ruby objects. An object represents each row in a database tables. Additionally, it also provides advance search capabilities and the ability to create relationships or associations between models. Active Records relies heavily on conventions on how the classes should be named, the tables in the database, the foreign keys and primary keys. However, the database mapping can be accomplished using configuration, but it is highly encouraged to follow the rails convention, such as active record modules.
This modules is used to create model classes, which contains the business logic, handle validations and relationships, automatically maps to a table and encapsulates data access, provides getters and setters, callbacks and also supports several databases.
Active Resource module is used for managing the connection between RESTful web services and business objects. It follows the same principle of Active Record that is to reduce the amount of code needed to map resources. Active Resources maps model classes to remote REST resources in the same way that Active Record maps model classes to database tables. Active Resource leverages the HTTP protocol and adds code conventions to make it easy to infer complex structures and relations. Active Record also provides proxy capabilities between an Active Resource (client) and a RESTful service. This is accomplished implementing an object-relational mapping for REST web services. When a request to a remote resource is made, a REST XML is generated and transmitted, and then the result is parsed into a ruby object.
REST stands for Representational State Transfer. REST is an alternative to web services, such as SOAP and WSDL. It relies in the HTTP protocol for all the CRUD operations: create, read, update and delete. RESTful web services are appropriated when the web services are completely stateless, limited bandwidth (it’s very useful for mobile devices since it doesn’t the the overhead of other protocols like SOAP), when the data is not generated dynamically so it could be cached to improve performance and when there is a mutual understanding between the service producer and the consumer.
It is a collection of utility classes and standard Ruby libraries extensions that are useful for the development on Ruby on Rails. It includes a rich support for multi-bytes strings, internationalization, time zones and testing.
Railties is the Rails’ core code that builds new applications. It is responsible for “glue”-ing all the above-describe modules all together. Additionally, it handles all the bootstrapping process, the command line interface and provides the Rails’ code generators. Rake is one of the command lines used to perform database tasks, deployment, documentation, testing and cleanups. Rails also supply a built-in testing framework that generates test stubs automatically when code is generated, provides unit testing, functional testing for views and controls, test fixtures and supply test data using YAML.
The selected views to analyze this architecture are Module Views and Component and Connector (C&C) Views. The Module View will contain UML diagrams which represent a static view of all the components, while the Component & Connector View will show the UML diagram that presents a run-time view of a system’s architecture: what components exist at run-time and how do these components communicate with one another.
The Component-and-Connector View is a dynamic view of the system and presents the components, interfaces, connectors and systems. In the interfaces representation we choose to present the Interfaces as UML interfaces. This provides a compact representation of the interfaces and avoids crowding the diagram. The connector types will be represented as associations and connector instances as links to be the consistent with the UML notation that we are using the for the interfaces representation. In the same way the systems will be presented as UML subsystems. Fig. 3
Figure 3. Dynamic View: Ruby on Rails Connector and Component View
The Module View shows the code or implementation as modules and presents the interfaces and their relations between each other. The Module View contains the following: modules, interfaces, aggregations, generalizations and dependencies. These views are an appropriate way to show a static view of the architecture. Fig. 4
Figure 4. Static View: Ruby on Rails Module View
The Module View shows the code or implementation as modules and presents the interfaces and their relations between each other. The Module View contains the following: modules, interfaces, aggregations, generalizations and relationships. This view is appropriate way to show static view of the architecture.
Since Rails is built on the Ruby language it inherits the goodness and weakness of that language. Ruby is a dynamic scripting language with an elegant syntax and fully object-oriented. Because it is an interpreted language it is slower than other languages that are compiled like Java or C++. In most cases, this difference in speed is not a problem but when the web application needs to scale to millions of concurrent users this performance starts to degrade. The Ruby language is not suited for high concurrency applications, because it is not optimized for speed computing. It was designed to be elegant, simply and for rapid development. Ruby doesn’t have good thread support yet and, like many other scripting languages, Ruby has trouble dealing with long-lived processes. But other languages, like Java, are really good at that because they have been optimized for year to handle threads efficiently. Another weakness is the Ruby’s garbage collector is not as good as Java’s in that each process requires much more memory. In terms of deployment, a web application on Ruby on Rails could be harder to deploy than sites that are using more common technologies, such as PHP. That’s because not all the hosting providers support Rails, but in time the support of Rails is increasing.
There are some kinds applications in which Ruby on Rails is not suitable for by default (there are workarounds):
A study case of high-traffic web application using Rails is Twitter. They started using Ruby on Rails but they reached a point that the scaling of their platform was not cost-effective. This was mainly because Ruby on Rails has poor multi-threading support. As in 2011, they have more than 1 billion tweets per week and 200 million users. In 2011 they reported , that are moving their back-end applications from Ruby on Rails to Java, which perform 3x faster searches and handle high concurrency better.
As the Twitter Engineering team stated: “As part of the effort, we launched a new real-time search engine, changing our back-end from MySQL to a real-time version of Lucene. Last week, we launched a replacement for our Ruby-on-Rails front-end: a Java server we call Blender. We are pleased to announce that this change has produced a 3x drop in search latencies and will enable us to rapidly iterate on search features in the coming months.” … And later… “In April 2011, we launched a replacement, called Blender, which improved our search latencies by 3x, gave us 10x throughput, and allowed us to remove Ruby on Rails from the search infrastructure. Today, we are indexing an average of 2,200 TPS while serving 18,000 QPS (1.6B queries per day!). More importantly, Blender completed the infrastructure necessary to make the most significant user-facing change to Twitter search since the acquisition of Summize.”
Yellowpages.com on the other hand moved from Java to Ruby on Rails framework. The rationale behind this decision is that they pursued to increase their maintainability, absolute control of URLs, no sessions, and be more agile. They have 170 million page views per month and 2.5 million searches per day.
Brian Burridge summarizes the process in the following way “YellowPages.com’s move from Java to Rails. They serve up to 23 million visitors a month. The conversion resulted in 20,000 lines of Ruby code instead of 125,000 lines of Java code, and most importantly eased the difficulty they had in maintaining it. Once complete, and optimized their site is now faster than before. They also completed the rewrite in three months with four developers.”
Ruby on Rails has received widespread support throughout the software development industry, more specifically the open-source community. This support reflects, to a certain extent, that the framework was able to provide a fairly robust architecture somewhat consistent with the goals that the architect envisioned.
The framework successfully exhibits most of its intended quality attributes. The responsibility of maintaining some of these qualities are deferred to third party components, as is the case of the performance quality, which is deferred to whichever web-server is configured at development or deployment time. The biggest strength of the framework is the way it leverages the Convention over Configuration and Don’t Repeat Yourself principles. This principle enables intuitive approaches when dealing with certain tactics to achieve some of the quality attributes. For instance, modifiability becomes less hassle due to the isolation or centralization of certain changes since the framework relies on default places where certain functionality should be located.
On the other hand, Rails inherits some of the weaknesses of the language used to build it. More specifically, poor concurrency support hinders the scalability potential of an application built using Ruby on Rails. Furthermore, memory management is not as efficient as other languages available. For instance, Java exhibits a much better garbage collector behavior when compared with Ruby on Rails.
Overall, it would be safe to say that the framework architecture meets most of its intended goals, but not without its caveats. The level and speed of adoption in industry and the open-source community could be used as validation of the potential the framework has, but at the same time we see limitations emerging when using the framework. Some of these limitations are part of the driven force behind the ongoing evolution of Ruby on Rails.
Ruby on Rails is a development tool that offers Web & Mobile App Developers a structure for all the codes they write resulting in time-saving with all the common repetitive tasks during the development stage.
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Rails is a server-side web application development framework written in the Ruby programming language. Its emergence in 2005 has influenced and impacted web application development to a vast range, including but not limited to seamless database tables, migrations, and scaffolding of views. In the simplest understanding, Rails is a highly productive and intuitive software developer.
Websites and applications of any complexity can be achieved with Ruby on Rails. The software is designed to perceive the needs of ruby on rails developers and encourage them with the best way out. It is designed to allow developers to write lesser code while spiking productivity much more than any other framework or language. Ruby on Rails rapid application development offers everyday web development tasks easier and uniquely out-of-the-box, both with the same effectiveness.
The Ruby on Rails framework is based on two philosophies:
Some of the commonly known websites built by the Ruby on Rails software developers are Instacart, Scribd, Shopify, Github, ConvertKit, Soundcloud, GoodReads, Airbnb. It finds its application in Sa-as Solutions, Social Networking Platforms, Dating websites, Stock Exchange Platforms, etc.
There is a large community that is dedicated to Ruby on Rails that keeps it up-to-date and indeed encourages its family of developers to continue using it. They make sure the benefits are soaring with every update they make.
The community is committed to developing several ready-to-use code packages, commonly known as gems, for its users. They discuss and announce new project launches, help each other with queries, and engage in framework discussions and betterment. While Ruby on Rails helps developers in rapid application development, it also connects and grows businesses together.
To talk about scalability, we indicate the ability to grow and manage more and more user requests per minute (RPM). However, this depends on the architecture rather than the framework. The right architecture of Ruby on Rails web application development allows it to write bulky codes and programs as compared to early-stage difficulties with scalability.
It uses the Representational State Transfer (REST) architecture. This will enable Rails to create efficient web applications based on Rails 6, launched last year in 2020, which addresses most scalability issues. The portable components are agile and help in a better understanding of new requirements and needful adaptations for any business. The framework and architecture allow both vertical and horizontal scalability.
Fast Application Development and Cost Effectiveness
Ruby on Rails is lucid, logical, and has lean code requirements, thereby cutting down redundancy and improving the overall development speed. Lesser amount of code is proportional to lesser time investment with optimal results. The more time it takes for development, the more expensive it becomes for the end customers.
Considering the ready-made code modules/packages (gems) available, Ruby on Rails development company will less time and money are spent creating and modifying Rails websites and applications. Another advantage that has made Ruby on Rails super attractive for startups is its use of Model-View-Controller (MVC) architecture. It has a component separation scheme that speeds up the web development process and fixes any errors that occur.
Rails framework and the Ruby on Rails community put in a lot of efforts for data protection and security of its customer base. It is also one of the efficient frameworks for developing database-backed applications.
The developers at Ruby on Rails cover many aspects of cybersecurity, including encryptions of passwords, credit card information, and users’ personal database. Special measures are taken to prevent the framework from SQL injections and XSS attacks.
Ruby on Rails simplifies the daily operations and lowers the cost of enterprise app developments. The prominent features include data management, seamless updating of applications, easy and efficient code development, and high scalability, as discussed above.
Ruby on Rails enterprise application development is preferred by companies and is slightly cost-intensive. It can be easily integrated with third-party apps like Oracle Business, Oracle, Windows services, and others. Ruby enterprise app development allows the developers and programmers to solve the problems at the root level, given its transparency.
Checkout Blog on Django vs Ruby on Rails Comparison
There are several reasons to prefer Ruby on Rails discussed above and extend further to early detection of errors, reduced time to market, and easy adaptation for API developments. It makes web programming much easier and simplifies website building of any complexity. Its flexibility and acceptance among new developers and programmers make it the perfect, one-stop choice for software application development company in 2021.
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Ruby on Rails has been a popular web development framework for building reliable and scalable web applications. With Ruby on Rails development services, you can create a feature-rich web application at a rapid pace, making it the right choice of framework for startups.
Most technically sound people and CTOs know when to use Ruby on Rails for web development. They are well-aware of situations that call for Ruby on Rails application development.
But there are several cases where Ruby on Rails web application might be the wrong way to go for you. In such situations, you must explore Django frameworks, Laravel web development framework, and other frameworks for your web application.
If you can determine when Ruby on Rails web development framework is WRONG for your business, you can save yourself from a lot of trouble.
There are multiple benefits of Ruby on Rails web development. However, it is not a solution to all your web development needs. Here are the three projects in which you should avoid Ruby on Rails agile web development -
Apart from the three projects mentioned-above, Ruby on Rails for web development is an amazing choice for all kinds of web application projects.
If you are a startup that believes in building and breaking quickly, then Ruby on Rails agile web development should be your first choice. And when it comes to scaling, the framework can support you by handling thousands of user requests.
Ruby on Rails web applications are going to gain popularity as more businesses look for rapid product development. At BoTree Technologies, we have a team of Ruby on Rails developers that work towards increasing your operational efficiency through world-class Ruby on Rails applications.
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