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Contents
# frozen_string_literal: true
require 'erb'
module Karafka
# Karafka framework Cli
class Cli < Thor
# Install Karafka Cli action
class Install < Base
desc 'Install all required things for Karafka application in current directory'
# Directories created by default
INSTALL_DIRS = %w[
app/consumers
config
log
lib
].freeze
# Where should we map proper files from templates
INSTALL_FILES_MAP = {
'karafka.rb.erb' => Karafka.boot_file.basename,
'application_consumer.rb.erb' => 'app/consumers/application_consumer.rb',
'example_consumer.rb.erb' => 'app/consumers/example_consumer.rb'
}.freeze
# @param args [Array] all the things that Thor CLI accepts
def initialize(*args)
super
dependencies = Bundler::LockfileParser.new(
Bundler.read_file(
Bundler.default_lockfile
)
).dependencies
@rails = dependencies.key?('railties') || dependencies.key?('rails')
end
# Install all required things for Karafka application in current directory
def call
INSTALL_DIRS.each do |dir|
FileUtils.mkdir_p Karafka.root.join(dir)
end
INSTALL_FILES_MAP.each do |source, target|
target = Karafka.root.join(target)
template = File.read(Karafka.core_root.join("templates/#{source}"))
render = ::ERB.new(template, trim_mode: '-').result(binding)
File.open(target, 'w') { |file| file.write(render) }
end
end
# @return [Boolean] true if we have Rails loaded
# This allows us to generate customized karafka.rb template with some tweaks specific for
# Rails
def rails?
@rails
end
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems