scinote-web/lib/generators/addon/addon_generator.rb

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class AddonGenerator < Rails::Generators::NamedBase
source_root File.expand_path('../templates', __FILE__)
argument :name, type: :string
def initialize_vars
@modules = name.split('::')
@folders = @modules.map(&:underscore)
@full_underscore_name = @folders.join('_')
@folders_path = @folders.join('/')
@addon_name = @folders[-1]
end
def create_app
# app/assets
create_file(
"addons/#{@addon_name}/app/assets/images/#{@folders_path}/.keep"
)
create_file(
"addons/#{@addon_name}/app/assets/" \
"javascripts/#{@folders_path}/application.js"
)
copy_file(
'application.scss',
"addons/#{@addon_name}/app/assets/" \
"stylesheets/#{@folders_path}/application.scss"
)
# app/controllers
create_file(
"addons/#{@addon_name}/app/controllers/" \
"#{@folders_path}/application_controller.rb"
) do
embed_into_modules do
"class ApplicationController < ::ApplicationController\nend\n"
end
end
# app/decorators
create_file("addons/#{@addon_name}/app/decorators/controllers/.keep")
create_file("addons/#{@addon_name}/app/decorators/models/.keep")
# app/helpers
create_file(
"addons/#{@addon_name}/app/helpers/" \
"#{@folders_path}/application_helper.rb"
) do
embed_into_modules do
"module ApplicationHelper\nend\n"
end
end
# app/models
create_file("addons/#{@addon_name}/app/models/#{@folders_path}/.keep")
# app/overrides
create_file("addons/#{@addon_name}/app/overrides/.keep")
# app/views
create_file(
"addons/#{@addon_name}/app/views/layouts/#{@folders_path}/.keep"
)
create_file(
"addons/#{@addon_name}/app/views/#{@folders_path}/overrides/.keep"
)
end
def create_bin
file_path = "addons/#{@addon_name}/bin/rails"
copy_file('rails', file_path)
gsub_file(file_path, '${FOLDERS_PATH}', @folders_path)
end
def create_config
# config/initializers
create_file(
"addons/#{@addon_name}/config/initializers/" \
"#{@folders_path}/constants.rb"
) do
embed_into_modules do
"class Constants\nend\n"
end
end
# config/locales
create_file(
"addons/#{@addon_name}/config/locales/en.yml"
) do
"en:\n"
end
# config/routes.rb
create_file(
"addons/#{@addon_name}/config/routes.rb"
) do
"#{name}::Engine.routes.draw do\nend\n"
end
end
def create_db
create_file("addons/#{@addon_name}/db/migrate/.keep")
end
def create_lib
# lib/.../engine.rb
file_path = "addons/#{@addon_name}/lib/#{@folders_path}/engine.rb"
create_file(
file_path
) do
embed_into_modules { File.read("#{@source_paths[0]}/engine.rb") }
end
gsub_file(file_path, '${FULL_UNDERSCORE_NAME}', @full_underscore_name)
gsub_file(file_path, '${NAME}', name)
gsub_file(file_path, '${FOLDERS_PATH}', @folders_path)
gsub_file(file_path, '${ADDON_NAME}', @addon_name)
# lib/.../version.rb
dots = @modules.map { '/..' }.join
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create_file(
"addons/#{@addon_name}/lib/" \
"#{@folders_path}/version.rb"
) do
embed_into_modules do
"VERSION =\n" \
" File.read(\n" \
" \"\#{File.dirname(__FILE__)}#{dots}/../VERSION\"\n" \
" ).strip.freeze\n"
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end
end
# lib/.../<engine>.rb
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folders_path_n = @folders[0..-2].join('/')
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file_name = @folders[-1]
create_file(
"addons/#{@addon_name}/lib/" \
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"#{folders_path_n}/#{file_name}.rb"
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) do
embed_into_modules { '' }
end
# lib/tasks
create_file("addons/#{@addon_name}/lib/tasks/#{@folders_path}/.keep")
# lib/engine.rb
create_file(
"addons/#{@addon_name}/lib/#{@full_underscore_name}.rb"
) do
"require '#{@folders_path}'\n" \
"require '#{@folders_path}/engine'\n"
end
end
def create_root
copy_file('.gitignore', "addons/#{@addon_name}/.gitignore")
copy_file('Gemfile', "addons/#{@addon_name}/Gemfile")
copy_file('LICENSE.txt', "addons/#{@addon_name}/LICENSE.txt")
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file_path = "addons/#{@addon_name}/README.md"
copy_file('README.md', file_path)
gsub_file(file_path, '${ADDON_NAME}', @addon_name)
gsub_file(file_path, '${FULL_UNDERSCORE_NAME}', @full_underscore_name)
gsub_file(file_path, '${NAME}', name)
gsub_file(file_path, '${FOLDERS_PATH}', @folders_path)
create_file("addons/#{@addon_name}/VERSION") { '0.0.1' }
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# Rakefile
file_path = "addons/#{@addon_name}/Rakefile"
copy_file('Rakefile', file_path)
gsub_file(file_path, '${NAME}', name)
# <engine>.gemspec
file_path = "addons/#{@addon_name}/#{@full_underscore_name}.gemspec"
copy_file('.gemspec', file_path)
gsub_file(file_path, '${FOLDERS_PATH}', @folders_path)
gsub_file(file_path, '${FULL_UNDERSCORE_NAME}', @full_underscore_name)
gsub_file(file_path, '${NAME}', name)
end
private
def embed_into_modules
res = ''
@modules.each_with_index do |mod, i|
res << ' ' * i
res << "module #{mod}\n"
end
block_res = yield
block_res.each_line do |line|
if line == "\n"
res << "\n"
else
res << ' ' * @modules.count
res << line
end
end
@modules.each_with_index do |_, i|
res << ' ' * (@modules.count - 1 - i)
res << "end\n"
end
res
end
end