Watch our Blog Tutorial Screencast - Padrino Ruby Web Framework

Basic Projects

Be sure to read the Installation instructions first. You might also want to check out the Getting Started guide for a better understanding of Sinatra and Padrino if you are new to the stack.

 

Generating a Project

To generate a new Padrino project using its defaults (RSpec for testing and Haml for rendering) and no database adapter, simply invoke the following command:

$ padrino g project my_project # defaults to rspec and haml 

Padrino has also built-in support for several different mocking, testing, rendering, ORM, and JavaScript components.

$ padrino g project custom_project -t rspec -d activerecord -s prototype
# this will generate a new padrino custom_project using rspec, activerecord, haml and prototype

For a breakdown of all the available components options please refer to the Generators page.

Persistence Engine

Whenever you are creating a new project, Padrino will assume by default that a database is not required for your project.

To add support for a persistence engine, specify a supported ORM of your choice to use by flagging the padrino g command with the -d option followed by the name of your ORM:

$ padrino g project your_project -d activerecord # Uses ActiveRecord 
$ padrino g project your_project -d datamapper   # Uses Datamapper 
$ padrino g project your_project -d mongomapper  # Uses MongoMapper
$ padrino g project your_project -d sequel       # Uses Sequel
$ padrino g project your_project -d couchrest    # Uses CouchRest

For the SQL-based persistence engines, you can even specify the RDBMS adapter to use with the -a option followed by the name of the adapter:

$ padrino g project your_project -d datamapper   -a mysql    # Uses Datamapper and MySQL
$ padrino g project your_project -d activerecord -a postgres # Uses ActiveRecord and Postgres
$ padrino g project your_project -d sequel       -a sqlite   # Uses Sequel and Sqlite3

The adapters currently supported are sqlite, mysql, and postgres for use with datamapper, activerecord, or sequel.

 

Generating Applications

Padrino’s main concept is to generate a default “project” or “core application”:

$ padrino g project my_project # creates a Padrino project with defaults to RSpec and haml

You can then add, if needed, sub-applications to your existing Padrino “project”:

$ cd my_project
my_project $ padrino g app gallery 

You can also generate your own controllers, mailers, models, etc… for your “gallery” app as well.

my_project $ padrino g controller sample get:index --app gallery

Whenever generating a “mounted” app, Padrino will mount that application automatically. As a reference, the above example “gallery” application will be mounted to: /gallery

You can easily change and configure your “mounted” application path and decide where your applications will be mounted, by editing your config/apps.rb file.

 

Generating the Admin Section

Let’s start by creating a new Padrino project using Active Record:

$ padrino g project blog -d activerecord

Install all project dependencies:

$ cd blog
blog $ bundle install

Padrino ships with a beautiful Admin interface, highly inspired by the web-app-theme.

Remember that Padrino has been principally structured and designed for mounting multiple applications at the same time. Under this perspective, our admin section is nothing but a new padrino application:

blog $ padrino g admin

You need to configure your database settings in config/database.rb and run your migrations to add tables and columns to your database:

blog $ padrino rake ar:migrate

Create your first admin account; this is easily achieved by seeding your database with default admin data, stored in your seed.rb file:

blog $ padrino rake seed

You will see this in your terminal:

Which email do you want use to log into admin? [email protected]
Tell me the password to use: foobar

Perfect! Your account was created.

Now you can start your server with Padrino start and then log into /admin with:
   email: [email protected]
   password: foobar

You are now ready to start your webserver:

blog $ padrino start

Point your browser to http://localhost:3000/admin and log in by using the email and password provided while seeding your database:

Adding a model

Let’s add a new Post model to our blog:

blog $ padrino g model post name:string body:text

Run the migrations to add database table columns to our database for our newly created Post model:

blog $ padrino rake ar:migrate

Create a new admin section for managing (creating, updating, deleting) our blog posts:

blog $ padrino g admin_page post

That’s All! Start your webserver and begin adding some posts.

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  • Last edited by Uchio Kondo
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