From: Varun Goel <varun.rajeshkumar@...>
Date: 2008-04-25T00:24:41+09:00
Subject: Re: create rails model classes dynamically ?

unknown wrote:
> Rails has a very nice database migration utility, where you can write
> something like this...
> 
> class CreateHouse < ActiveRecord::Migration
> 
>   def self.up
>     create_table :house do |t|
>       t.column 'person_id', :integer, :default => nil, :null => false
>       t.column "created_at", :datetime
>       t.column "name", :string, :limit => 128, :default => ""
>     end
>   end
> 
>   def self.down
>     drop_table :place
>   end
> 
> end
> 
> Typically, you then create a class in the model directory that looks
> like this...
> 
> class House < ActiveRecord::Base
> 
>   belongs_to :person
> 
> end
> 
> 
> I'd like to dynamicallly generate this House class.  With the help of
> this post, I can create the class and methods dynamically...
> http://groups.google.com/group/comp.lang.ruby/browse_thread/thread/b969da2473e2c713/b8d076423378a2f2?lnk=gst&q=create+class&rnum=8#b8d076423378a2f2
> But I have not been able to figure out how to add the belongs_to and
> has_many style calls at the class level to the dynamicall generated
> class.  Also, once this class is initially created dynamically,
> depending on what tables are created later, there may have to be
> additional belongs_to and has_many calls injected into the existing
> class, whew.
> 
> -- any help would be great, thanks, Andrew


Hi,
   U said that u r able to create class dynamically i used same link but 
i m not able to create class dynamically please help me with some code 
snippet.
Please help me i am facing this problem from last two weeeks??

Thanks
varun
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