Question

In my ruby code , I try to put all the output messages in one file for translation purposes, in case the client want to change the return messages it will be organized in one file.

lets assume that I have the config file with name messages.rb at root, I include it with my main.rb ruby process something like :

require “#{ROOT_PATH}/config/messages.rb”

The file will contain something like :

class Messages  
  MSG = {
    :msg1      => "Account successfully created", 
    :msg2      => "Hello" 
  }
end

Now when I call msg1 lets say in main.rb I do something like :

puts Messages::MSG[:msg2]

But as you can see it is not convient it to use it this way specially that in most of te cases I will need to include some data something like

puts Messages::MSG[:msg2] + @username

I’m sure there is some sort of dynamic conf file or other way to do it right and would appreciate it if you can provide me with the best way to do so and with the best performance .

Thanks

Answer 1

How about having Proc objects rather than just a String?

module Messages  
  MSG = {
    msg1: ->{"Account successfully created."},
    msg2: ->name{"Hello, #{name}. How are you doing?"}
    msg3: ->name, age{"Hello, #{name}. You are #{age} now, congrats"}
  }
end

Then you can call it like

puts Messages::MSG[:msg1].call()  
puts Messages::MSG[:msg2].call(@username)
puts Messages::MSG[:msg3].call(@username, @userage)

Or if you want all the messages to take the same argument(s), then just have vacuously quantified variables:

module Messages  
  MSG = {
    msg1: ->name, age{"Account successfully created."},
    msg2: ->name, age{"Hello, #{name}. How are you doing?"} 
    msg3: ->name, age{"Hello, #{name}. You are #{age} now, congrats"}
  }
end

Then you can call it like

puts Messages::MSG[:msg1].call(@username, @userage)
puts Messages::MSG[:msg2].call(@username, @userage)
puts Messages::MSG[:msg3].call(@username, @userage)