Module: DeviseJwtAuth::InstallGeneratorHelpers

Included in:
InstallGenerator, InstallMongoidGenerator
Defined in:
lib/generators/devise_jwt_auth/install_generator_helpers.rb

Overview

Helper methods for installation generators.

Class Method Summary collapse

Class Method Details

.included(mod) ⇒ Object 



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# File 'lib/generators/devise_jwt_auth/install_generator_helpers.rb', line 7

def included(mod)
  mod.class_eval do
    source_root File.expand_path('templates', __dir__)

    argument :user_class, type: :string, default: 'User'
    argument :mount_path, type: :string, default: 'auth'

    def create_initializer_file
      copy_file('devise_jwt_auth.rb', 'config/initializers/devise_jwt_auth.rb')
    end

    def include_controller_concerns
      fname = 'app/controllers/application_controller.rb'
      line  = 'include DeviseJwtAuth::Concerns::SetUserByToken'

      if File.exist?(File.join(destination_root, fname))
        if parse_file_for_line(fname, line)
          say_status('skipped', 'Concern is already included in the application controller.')
        elsif rails_api?
          inject_into_file fname,
                           after: "class ApplicationController < ActionController::API\n" do
            "  include DeviseJwtAuth::Concerns::SetUserByToken\n            RUBY\n          end\n        else\n          inject_into_file fname,\n                           after: \"class ApplicationController < ActionController::Base\\n\" do\n            <<-'RUBY'\n  include DeviseJwtAuth::Concerns::SetUserByToken\n            RUBY\n          end\n        end\n      else\n        say_status('skipped', \"app/controllers/application_controller.rb not found. Add 'include DeviseJwtAuth::Concerns::SetUserByToken' to any controllers that require authentication.\")\n      end\n    end\n\n    def add_route_mount\n      f    = 'config/routes.rb'\n      str  = \"mount_devise_jwt_auth_for '\#{user_class}', at: '\#{mount_path}'\"\n\n      if File.exist?(File.join(destination_root, f))\n        line = parse_file_for_line(f, 'mount_devise_jwt_auth_for')\n\n        if line\n          existing_user_class = true\n        else\n          line = 'Rails.application.routes.draw do'\n          existing_user_class = false\n        end\n\n        if parse_file_for_line(f, str)\n          say_status('skipped', \"Routes already exist for \#{user_class} at \#{mount_path}\")\n        else\n          insert_after_line(f, line, str)\n\n          if existing_user_class\n            scoped_routes = ''\\\n              \"as :\#{user_class.underscore} do\\n\"\\\n              \"    # Define routes for \#{user_class} within this block.\\n\"\\\n              \"  end\\n\"\n            insert_after_line(f, str, scoped_routes)\n          end\n        end\n      else\n        say_status('skipped', \"config/routes.rb not found. Add \\\"mount_devise_jwt_auth_for '\#{user_class}', at: '\#{mount_path}'\\\" to your routes file.\")\n      end\n    end\n\n    def ip_column\n      # Padded with spaces so it aligns nicely with the rest of the columns.\n      format('%-8s', (inet? ? 'inet' : 'string'))\n    end\n\n    def inet?\n      postgresql?\n    end\n\n    def postgresql?\n      config = ActiveRecord::Base.connection_db_config.configuration_hash\n      config && config['adapter'] == 'postgresql'\n    end\n\n    private\n\n    def insert_after_line(filename, line, str)\n      gsub_file filename, /(\#{Regexp.escape(line)})/mi do |match|\n        \"\#{match}\\n  \#{str}\"\n      end\n    end\n\n    def parse_file_for_line(filename, str)\n      match = false\n\n      File.open(File.join(destination_root, filename)) do |f|\n        f.each_line do |line|\n          match = line if line =~ /(\#{Regexp.escape(str)})/mi\n        end\n      end\n      match\n    end\n\n    def rails_api?\n      fname = 'app/controllers/application_controller.rb'\n      line = 'class ApplicationController < ActionController::API'\n      parse_file_for_line(fname, line)\n    end\n  end\nend\n"