![]() Using the intuitive GUI you can edit & browse complex databases with just a few clicks. More information on customization options can be found in Rails ERD's project documentation. What is DbSchema DbSchema is the perfect tool for designing and managing any SQL, NoSQL, or Cloud Database. The format of the file is as follows (shown here with the default settings used if no. erdconfig (which will override any settings in ~/.erdconfig). It will look for this file first at ~/.erdconfig and then. Rails ERD has the ability to be configured via the command line or through the use of a YAML file with configuration options set. On macOS with Homebrew run brew install graphviz.Īdd gem 'rails-erd', group: :development to your application's Gemfile See the installation instructions for a complete description of how to install Rails ERD. Here's an example entity-relationship diagram that was generated by Rails ERD:īrowse the gallery for more example diagrams. It uses Active Record's built-in reflection capabilities to figure out how your models are associated. Rails ERD was created specifically for Rails and works on versions 3.0-5.0. If you don't like the default output, it is very easy to use the API to build your own diagrams. The second goal of Rails ERD is to provide you with a tool to inspect your application's domain model. Having a diagram that describes your models is perfect documentation for your application. The diagram gives an overview of how your models are related. ![]() Rails ERD is a gem that allows you to easily generate a diagram based on your application's Active Record models. Hope you’ll find this gems useful, I personally think they’re great and the good thing is that the majority of them can be used in any rails project.Rails ERD - Generate Entity-Relationship Diagrams for Rails applications shows a simplified Unified Modeling Language (UML) class diagram generated by. db/schema.rb ActiveRecord::fine(version: 20140327205359) do. Examine the database schema and the relationships among the most important. The last gem I’m going to mention is simplecov and the main function of it is to check what have you tested under your tests files and what you’re missing, it’s great because sometimes you forget to test some model methods or you forget to test one association and that’s when simplecov comes in handy because everytime you run specs you’ll see new files under coverage folder which contains the hmtl view of the simplecov generated results. ActiveMocker analyzes the methods and database columns to generate a Ruby class. It’s really useful because sometimes when you have a lot of models, sometimes you get confused on the associations and even though you should have an ERD created before starting to code, having a gem that generates an ERD can help you see if you associated something wrong in the actual program. The third gem is called rails-erd which generates an entity relationship diagram based on you current models. When you’re not using this gem what you would normally do is to go under db/schema.rb which is more time consuming than having those comments under the model. The second gem I would like to talk is one that is called annotate, the functionality of this gem is to show under your ruby classes a comment summarizing the current schema.īy just using the command $ annotate, you’ll get your models, models specs and factories commented at the beginning with the current schema like this:Īs you can see this is very useful because when you’re creating the model logic, sometimes you forget which are the name of the columns that your current model has, so it’s pretty cool to have that feature. It generates a diagram from your Rails models, showing all your tables and columns. It’s a must have gem for developing a regular app on Rails, it is an authentication app that is composed of 10 modules, which each gives a different functionality and not all of them are required, for example the Omniauthable module is for authenticating using third party providers, so it’s not an essential module which you can choose not to use it.įor me it makes life easier cause when using it, you’re pretty sure you are going to have an authentication logic that is going to be pretty solid and it’s going to reduce your work a lot cause you don’t have the need anymore to build an authentication from scratch.įor API only application devise does not has support out of the box for JWT, so you have to implement that by yourself, or try to use this gem. And if you want to do that quickly, start by reading db/schema.rb. ![]() Integrate with your SQL Databases Quickly generate your diagrams from SQL dump files. In this post I would like to talk about some gems I consider useful when developing a Rails Project, they make development easier, which is the Ruby philosophy, make the programmer happy and productive. Share your diagrams online with your colleagues and customers with just one click.
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