Fatos Morina

Software engineering and personal development

Tag: rails (page 1 of 2)

Remove duplicate items from the left menu on rails_admin with this configuration

Img source: Stackoverflow

I recently had an issue with Rails Admin, which was displaying duplicate models in the left hand side menu. It was something that I had not encountered before, and it turned out, it was a rare occasion, as I could not find that much coverage about it. I also saw that this unanswered question related to this problem was published more than a year and a half ago in StackOverflow. This is the reason why I decided to write this post. Continue reading

Integrate search forms in your projects with Ransack gem

 

Img source: techbrownbags.wordpress.com

It is highly likely that you will have to work on a project that has some type of search forms implemented. Fortunately, as with many other type of functionalities that you can easily get out of the box without writing too much code in Rails projects, there is also a gem that is specific for this purpose. Ransack is a Ruby gem that enables the creation of both simple and advanced search forms for Ruby on Rails projects.

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Create easy-to-use interfaces for managing your data with RailsAdmin

 

Image src: rails.devcamp.com

It’s obvious that a lot of applications need an admin panel, where the administrator or other lower level users need privileges to do certain data manipulations. Not everyone of them should be a technical person. Thus, you may need to provide them a user-friendly interface which gives them this opportunity. Fortunately, you can insert an admin panel in your Rails application easily using RailsAdmin.

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Add authorization restrictions in your applications using CanCan gem

Img source: railscarma.com

It is no doubt that there are certain pages that you do not need to have them viewed by all the visitors of your application. You can also have users of different roles that may not be allowed to access certain parts of your applications. There is a really good Ruby gem called cancan that excels at this. It makes the authorization of your app resources pretty straight-forward, so you do not have to duplicate permission checking code across controllers and views.

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Invoke a Ruby method after the response has been already sent with the Spawnling gem

Rails controllers have callbacks that can be useful when we want to execute a particular piece of code before or after other methods have been invoked. However, there is no Rails built-in after_response_sent callback that could be used to invoke a method after we have rendered the response to the user, either via an HTML or JSON response. Continue reading

Get random data for your tests with Faker gem

Img caption: railscarma.com

Developers may feel they do not have that much creativity when it comes to use random words as arguments, or values for many fields. For example, if we have some test cases when we are creating a new instance of a Book object, chances are that we will assign ‘book’ to this object’s title, which does not seem that much interesting. We code because it is something that gives us pleasure, and getting help with these types of difficulties can be helpful. Fortunately, there is a Ruby gem called Faker that generates random fake value that you can use in your tests.

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How to deploy Redmine to Heroku

Img source: redmine.org

Redmine is a flexible project management web application that is open source, written in Ruby on Rails. If you need to start using it for your own projects, then chances are you need to deploy it to a server. In this article, you can see how to deploy the current latest stable version of Redmine to Heroku, as it sometimes can be a bit problematic. Continue reading

HTTP Basic authentication with built-in Ruby on Rails method

Img source: microcosm.com

You may have cases when you may need to do some authorizations for certain pages, so that they cannot be accessed by unauthorized clients. There are many authorization ways that you can use in a Ruby on Rails application. In this article, I will mention one very simple, yet not that much famous method that comes implemented and ready to be used each time you create a new Rails application. Continue reading

Build a Cryptocurrency Comparison Site using Ruby on Rails and TDD

Img prepared by: Shkodran Arifi

I recently had the pleasure to publish my first article at Scotch.io, which is a very popular platform. It is one of the longest articles that I have written so far. It is a written tutorial on how to build a cryptocurrency site in which you can see the changes of values of BitCoin, Ethereum and NasDaq overtime. The project accompanying this article is developed with Ruby on Rails using Test-Driven Development (TDD). Continue reading

How to insert a CSV file in the database using Ruby on Rails

Img source: twotutorial.com

Comma Separated Values (CSV) files represent some commonly used files. You may have a CSV file generated from a report generated, and then you may need to write a Ruby method or task to insert it into the database. Continue reading

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