Uploading Files with Refile

#13 Uploading Files with Refile
8/19/2015

Summary

Refile is a modern file upload library for Ruby applications. It is simple, yet powerful. This episode covers the basics of uploading and displaying images. Next episodes will cover protecting files and progress bars.
5
rails uploads 3:17 min

Summary

Gemfile    gem "refile", require: "refile/rails"
    gem "refile-mini_magick"
bash    brew install imagemagick # OS X
    sudo apt-get install imagemagick # Ubuntu

    rails generate migration add_profile_image_to_users profile_image_id:string
    rake db:migrate
app/models/user.rb    class User < ActiveRecord::Base
      attachment :profile_image, type: :image
      attachment :resume, extension: ["pdf", "doc"]
    end
app/views/users/_form.html.erb    <%= form_for @user do |f| %>
      <%= f.attachment_field :profile_image %>
    <% end %>
app/controllers/users_controller.rb    def user_params
      params.require(:user).permit(:profile_image)
    end
app/views/users/show.html.erb    <%= image_tag attachment_url(@user, :profile_image, :fill, 300, 300, format: "jpg") %>