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Contents
module Evertils
module Controller
class Base
# Access the configuration object instance externally
attr_accessor :config
# Access the request object instance externally
attr_accessor :request
# Exit code to indicate everything is ok!
OK = 0
# Exit code to indicate a force quit (exit) call, meaning the program
# quit with an error
QUIT = 1
# Exit code to indicate that the program exited with a non-zero exit code,
# but not one that resulted in a force quit
QUIT_SOFT = 2
# Setup internal variables that will be used in subclasses
# Params:
# +config+:: Instance of Evertils::Cfg to enable access to config file
# +request+:: Instance of Evertils::Request, enables access to request
# parameters
def initialize(config, request)
@config = config
@request = request
pre_exec
end
# Perform pre-run tasks
def pre_exec
@format = Evertils::Helper.load('Formatting')
end
# Handle the request
def exec
if @request.param.nil?
send(@method.to_sym)
else
send(@method.to_sym, @request.flags.first)
end
end
# Perform post-run cleanup tasks, such as deleting old logs
def post_exec
end
# Determines if the command can execute
# Params:
# +command+:: Symbol containing the command we want to execute
def can_exec?(command)
# no command was passed, check if controller has a default method
if command.nil? && respond_to?(:default)
@method = :default
elsif respond_to? command
# check the controller for the requested method
@method = command
else
raise NoMethodError, "Invalid method: #{command}"
end
end
# Default method called by exec if no argument is passed
def sample
Notify.warning("Method not implemented")
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems