Class: Railg::LoginGenerator

Inherits:
Rails::Generators::NamedBase
  • Object
show all
Defined in:
lib/generators/railg/login/login_generator.rb

Instance Method Summary collapse

Instance Method Details

#add_route ⇒ Object 



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# File 'lib/generators/railg/login/login_generator.rb', line 19

def add_route
  route 'resource  :session, only: %i[new create destroy]'
  route "resources :#{plural_route_name}, only: %i[new create]"
end

#after_bundle_callback ⇒ Object 



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# File 'lib/generators/railg/login/login_generator.rb', line 228

def after_bundle_callback
  rake 'db:migrate'
end

#create_account_model ⇒ Object 



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# File 'lib/generators/railg/login/login_generator.rb', line 24

def 
  create_file "app/models/#{file_path}.rb", <<-EOT
# frozen_string_literal: true

class #{class_name} < ApplicationRecord
  has_secure_password

  validates :#{id_name}, presence: true, uniqueness: true
end
  EOT

  create_file "db/migrate/20181105044958_create_#{plural_table_name}.rb", <<-EOT
class Create#{plural_table_name.capitalize} < ActiveRecord::Migration[5.2]
  def change
create_table :#{plural_table_name} do |t|
  t.string :#{id_name}, null: false
  t.string :password_digest, null: false
  t.index :#{id_name}, unique: true

  t.timestamps
end
  end
end
EOT
end

#create_controller_files ⇒ Object 



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# File 'lib/generators/railg/login/login_generator.rb', line 105

def create_controller_files
  create_file "app/controllers/#{plural_name}_controller.rb", <<-EOT
# frozen_string_literal: true

class #{plural_name.capitalize}Controller < ApplicationController
  def new
#{redirect_resource_name} = #{class_name}.new
  end

  def create
#{redirect_resource_name} = #{class_name}.new(#{singular_name}_params)

if #{redirect_resource_name}.save
  redirect_to new_session_path
else
  render :new
end
  end

  private

  def #{singular_name}_params
params.require(:#{singular_name}).permit(:#{id_name}, :password, :password_confirmation)
  end
end
  EOT

  create_file 'app/controllers/auth_controller.rb', <<-EOT
# frozen_string_literal: true

class AuthController < ApplicationController
  rescue_from 'SessionManager::NoSigninError', with: -> { redirect_to new_session_path }

  before_action :current_#{singular_name} # require signin by raising SessionManager::NoSigninError
end
  EOT

  create_file 'app/controllers/sessions_controller.rb', <<-EOT
# frozen_string_literal: true

class SessionsController < ApplicationController
  def new
  end

  def create
#{singular_name} = #{class_name}.find_by(#{id_name}: params[:#{id_name}])

if #{singular_name} && #{singular_name}.authenticate(params[:password])
  retain_session(#{singular_name}, remember: params[:remember])
  redirect_to root_path
else
  render :new
end
  end

  def destroy
free_session
  end
end
  EOT

  create_file 'app/controllers/session_manager.rb', <<-EOT
# frozen_string_literal: true

module SessionManager
  extend ActiveSupport::Concern

  SESSION_KEY = :#{singular_name}_id
  NoSigninError = Class.new(StandardError)

  included do
helper_method :signed_in?
  end

  private

  def retain_session(#{singular_name}, remember: false)
session[SESSION_KEY] = #{singular_name}.id

if remember
  # TODO: impl
end
  end

  def free_session
session[SESSION_KEY] = nil
  end

  # TODO: refact
  def current_#{singular_name}
if (id = session[SESSION_KEY])
  #{class_name}.find(id)
elsif (id = cookies.signed[SESSION_KEY])
  #{singular_name} = #{class_name}.find(id)
  raise NoSigninError unless #{singular_name}.authenticated?(cookies[:remember_token])

  sign_in(#{singular_name}) # sessionにも保存
  #{singular_name}
else
  raise NoSigninError
end
  end

  def signed_in?
current_#{singular_name}
true
  rescue NoSigninError
false
  end
end
  EOT

  insert_into_file 'app/controllers/application_controller.rb', <<-EOT, after: "class ApplicationController < ActionController::Base\n"
  include SessionManager
  EOT
end

#create_view_files ⇒ Object 



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# File 'lib/generators/railg/login/login_generator.rb', line 50

def create_view_files
  create_file 'app/views/application/_header.html.slim', <<-EOT
nav.navbar
  .container
.navbar-menu
  .navbar-end
    .navbar-item
      = form_with url: session_url, method: :delete do |f|
        .buttons
          - unless signed_in?
            = link_to 'sign in', new_session_path, class: 'button is-text'
            = link_to 'sign up', #{new_helper}, class: 'button is-text'
          - else
            = f.submit 'sign out', class: 'button is-text'
  EOT

  create_file "app/views/#{plural_file_name}/new.html.slim", <<-EOT
section.section
  .container
= form_with model: #{redirect_resource_name} do |f|
  .field
    .control
      = f.text_field :#{id_name}, class: 'input'
  .field
    .control
      = f.password_field :password, class: 'input'
  .field
    .control
      = f.password_field :password_confirmation, class: 'input'
  .field
    .control
      = f.submit class: 'button'
  EOT

  create_file 'app/views/sessions/new.html.slim', <<-EOT
section.section
  .container
= form_with url: session_url do |f|
  .field
    .control
      = f.text_field :#{id_name}, class: 'input'
  .field
    .control
      = f.password_field :password, class: 'input'
  .field
    .control
      label.checkbox
        = f.check_box :remember, {}, true, false
        | Remember me?
  .field
    .control
      = f.submit class: 'button'
  EOT
end

#gem_bcrypt ⇒ Object 



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# File 'lib/generators/railg/login/login_generator.rb', line 9

def gem_bcrypt
  gem 'bcrypt'
end

#insert_header ⇒ Object 



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# File 'lib/generators/railg/login/login_generator.rb', line 13

def insert_header
  insert_into_file 'app/views/layouts/application.html.erb', <<-TAG, after: "  <body>\n"
<%= render 'header' %>
  TAG
end