Sylvain

class UsersController < ApplicationController
  def index
    @users = User.all

    respond_to do |format|
      format.html
      format.csv { send_data ExportToCsv.new(@users).call, filename: "users-#{Date.today}.csv" }
    end
  end
end

Sylvain

class ExportToCsv
  attr_reader :records
  
  def initialize(records)
    @records = records
  end  
  
  def call
    CSV.generate(headers: true) do |csv|
      csv << header

Sylvain

class ExportUsersToCsv
  attr_reader :users
  
  def initialize(users)
    @users = users
  end  
  
  def call
    CSV.generate(headers: true) do |csv|
      csv << header

Sylvain

class UsersController < ApplicationController
  def index
    @users = User.all

    respond_to do |format|
      format.html
      format.csv { send_data ExportUsersToCsv.new(@users).call, filename: "users-#{Date.today}.csv" }
    end
  end
end

Sylvain

feature 'Users' do
  context 'export to CSV' do
    scenario "users can be exported to CSV" do
      user1 = FactoryGirl.create(:user)
      user2 = FactoryGirl.create(:user)
      visit users_path
      click_on I18n.t('global.export')
      header = page.response_headers['Content-Disposition']
      expect(header).to match /^attachment/
      expect(header).to match /filename="users-#{Date.today}.csv"$/

Sylvain

class User < ActiveRecord::Base
  def self.to_csv
    attributes = %w{id first_name last_name email accepts_emailing}

    CSV.generate(headers: true) do |csv|
      csv << attributes.map{ |attr| human_attribute_name(attr) }

      all.each do |user|
        csv << attributes.map do |attr|
          if columns_hash[attr] &&

Sylvain

class User < ActiveRecord::Base
  def self.to_csv
    attributes = %w{id first_name last_name email accepts_emailing}

    CSV.generate(headers: true) do |csv|
      csv << attributes.map{ |attr| human_attribute_name(attr) }

      all.each do |user|
        csv << attributes.map{ |attr| user.send(attr) }
      end

Sylvain

fr:
  activerecord:
    models:
      user: Utilisateur
    attributes:
      user:
        id: "Identifiant"
        first_name: "Prénom"
        last_name: "Nom"
        email: "E-mail"

Sylvain

class UsersController < ApplicationController
  def index
    @users = User.all

    respond_to do |format|
      format.html
      format.csv { send_data @users.to_csv, filename: "users-#{Date.today}.csv" }
    end
  end
end

Sylvain

Keybase proof

I hereby claim:

• I am sylvain on github.
• I am sylvain (https://keybase.io/sylvain) on keybase.
• I have a public key whose fingerprint is 3AD1 9F85 E2CF E53C 62E7 3FEB 3A38 80EC C1A5 50C7

To claim this, I am signing this object: