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# File 'lib/generators/devise_token_auth/install_generator_helpers.rb', line 4
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_token_auth.rb', 'config/initializers/devise_token_auth.rb')
end
def include_controller_concerns
fname = 'app/controllers/application_controller.rb'
line = 'include DeviseTokenAuth::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 is_rails_api?
inject_into_file fname, after: "class ApplicationController < ActionController::API\n" do <<-'RUBY'
include DeviseTokenAuth::Concerns::SetUserByToken
RUBY
end
else
inject_into_file fname, after: "class ApplicationController < ActionController::Base\n" do <<-'RUBY'
include DeviseTokenAuth::Concerns::SetUserByToken
RUBY
end
end
else
say_status('skipped', "app/controllers/application_controller.rb not found. Add 'include DeviseTokenAuth::Concerns::SetUserByToken' to any controllers that require authentication.")
end
end
def add_route_mount
f = 'config/routes.rb'
str = "mount_devise_token_auth_for '#{user_class}', at: '#{mount_path}'"
if File.exist?(File.join(destination_root, f))
line = parse_file_for_line(f, 'mount_devise_token_auth_for')
if line
existing_user_class = true
else
line = 'Rails.application.routes.draw do'
existing_user_class = false
end
if parse_file_for_line(f, str)
say_status('skipped', "Routes already exist for #{user_class} at #{mount_path}")
else
insert_after_line(f, line, str)
if existing_user_class
scoped_routes = ''\
"as :#{user_class.underscore} do\n"\
" # Define routes for #{user_class} within this block.\n"\
" end\n"
insert_after_line(f, str, scoped_routes)
end
end
else
say_status('skipped', "config/routes.rb not found. Add \"mount_devise_token_auth_for '#{user_class}', at: '#{mount_path}'\" to your routes file.")
end
end
private
def insert_after_line(filename, line, str)
gsub_file filename, /(#{Regexp.escape(line)})/mi do |match|
"#{match}\n #{str}"
end
end
def parse_file_for_line(filename, str)
match = false
File.open(File.join(destination_root, filename)) do |f|
f.each_line do |line|
match = line if line =~ /(#{Regexp.escape(str)})/mi
end
end
match
end
def is_rails_api?
fname = 'app/controllers/application_controller.rb'
line = 'class ApplicationController < ActionController::API'
parse_file_for_line(fname, line)
end
end
end
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