2014-09-28 14:33:35 +00:00

82 lines
2.0 KiB
Ruby

module Producer
module Core
class Task
class << self
def define_action(keyword, klass)
define_method(keyword) do |*args|
@actions << klass.new(@env, *args)
end
end
def evaluate(env, name, *args, &block)
new(env, name).tap { |o| o.instance_exec *args, &block }
end
end
extend Forwardable
def_delegators :@env, :target
define_action :echo, Actions::Echo
define_action :sh, Actions::ShellCommand
define_action :mkdir, Actions::Mkdir
define_action :file_append, Actions::FileAppend
define_action :file_replace_content, Actions::FileReplaceContent
define_action :file_write, Actions::FileWriter
attr_reader :name, :actions, :condition
def initialize(env, name, actions = [], condition = true)
@env = env
@name = name
@actions = actions
@condition = condition
end
def to_s
@name.to_s
end
def condition_met?
!!@condition
end
def condition(&block)
@condition = Condition.evaluate(@env, &block) if block
@condition
end
def task(name, *args, &block)
@actions << self.class.evaluate(@env, name, *args, &block)
end
def ask(question, choices, prompter: Prompter.new(@env.input, @env.output))
prompter.prompt(question, choices)
end
def get(key)
@env[key]
end
def template(path, variables = {})
path = "#{path}.erb"
tpl = ERB.new(File.read(path), nil, '-')
tpl.filename = path
tpl.result build_erb_binding variables
end
private
def build_erb_binding(variables)
Object.new.instance_eval do |o|
variables.each do |k, v|
o.instance_variable_set "@#{k}", v
end
binding
end
end
end
end
end