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POrails 3.2.1 custom module restrict private instance methods access by the controller
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  1. POrails 3.2.1 custom module restrict private instance methods access by the controller
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    copied!<p>** Using Rails :3.2.1, Ruby: ruby 1.9.3p0 (2011-10-30 revision 33570) [i686-linux] **</p> <p>In my module I have one private instance method (get_tables_of_random_words) and one module function (get_random_word) .</p> <p>From my Rails Controller I am invoking the module function and it works without any issues. However when I am invoking the private instance method of module that too gets invoked without any problem.</p> <p>Can anybody please explain the reason behind such behavior and how to achieve the functionality I desire.I do not desire to get my module's private instance methods invoked from the class which includes my module.My private instance method is a utility method which is needed to work from inside of module only.</p> <p><strong>Util::RandomWordsUtil</strong></p> <pre><code> module Util module RandomWordsUtil def get_tables_of_random_words # Implementation here end private :get_tables_of_random_words module_function def get_random_word # invoke get_tables_of_random_words end end end </code></pre> <p><strong>GamesController</strong> (Scaffold generate controller- customized)</p> <pre><code> class GamesController &lt; ApplicationController include Util::RandomWordsUtil # GET /games # GET /games.json def index end def play @game = Game.find(params[:id]) @random_word = get_random_word # This is a module_function @random_table = get_tables_of_random_words # This I have marked as private in my module still it gets invoked! # Render action show render "show" end # GET /games/1 # GET /games/1.json def show end # GET /games/new # GET /games/new.json def new end # GET /games/1/edit def edit end # POST /games # POST /games.json def create end # PUT /games/1 # PUT /games/1.json def update end # DELETE /games/1 # DELETE /games/1.json def destroy end end </code></pre> <p>Following are the approaches I tried but didn't worked as desired. Reference: <a href="https://stackoverflow.com/questions/318850/private-module-methods-in-ruby">Private module methods in Ruby</a></p> <p><strong>Util::RandomWordsUtil</strong> (Tried Approach-1) # get_tables_of_random_words could not be found error is prompted from get_random_word method</p> <pre><code> module Util module RandomWordsUtil def self.included(base) class &lt;&lt; base def get_tables_of_random_words # Implementation here end private :get_tables_of_random_words end end module_function def get_random_word # invoke get_tables_of_random_words end end end </code></pre> <p><strong>Util::RandomWordsUtil</strong> (Tried Approach-2) # Error is prompted from the controller saying undefined local variable or method 'get_random_word' </p> <pre><code> module Util module RandomWordsUtil def self.included(base) class &lt;&lt; base def get_random_word # invoke get_tables_of_random_words end private def get_tables_of_random_words # Implementation here end end end end end </code></pre> <p>Thanks,<br> Jignesh</p>
 

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