Agile Web Development Using Rails 6/

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Pulling It All Together

Pulling It All Together

Learn how to put Ruby's logic and structures together.

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Demonstration of ruby and rails features

Let’s look at an example of how Rails applies a number of Ruby features together to make the code we need to maintain more declarative. For now, we’ll focus on the Ruby-language aspects of the example:

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class CreateProducts < ActiveRecord::Migration[6.0] 
  def change
    create_table :products do |t|
      t.string :title
      t.text :description
      t.string :image_url
      t.decimal :price, precision: 8, scale: 2
      t.timestamps 
    end
  end
end

Note: Even if you didn’t know any Ruby, you’d probably be able to decipher that this code creates a table named “products”. The fields defined when this table is created include title, ...