Ruby on Rails

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On Feb 3, 2012, at 3:13 PM, Srimanta Chakraborty wrote:

> Prince Joseph wrote in post #1043906:
>> @Michael is right. We can help you in doing this, in case you are stuck
>> up
>> somewhere, but you must really atleast make an effort.
>>
>> As of point 3, you can consider the following suggestions:
>>
>> 1. `current_user.roles.map {|r| r.to_s}.include?('admin')`
>>
>> Consider moving this code to User model by defining an instance
>> function
>> like 'admin?' so that you can call 'current_user.admin?'
>> 2. `@info = Info.find(:first, :conditions => "article_id =
>> #{@article.id}")`
>>
>> Use associations to define this so that you call `@info =
>> @article.info`
>> 3. `@comments = Comment.find(:first, :conditions => "article_id =
>> #{@article.id}")`
>>
>> Again use associations for this. Also, since this is returning a
>> single
>> object, the variable name should be @comment (singular).
>>
>>
>>
>> On Fri, Feb 3, 2012 at 5:08 PM, Michael Pavling <pavling@gmail.com>
>> wrote:
>>
>>>> Thanks for your compliment. But please...
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>>
>>
>> --
>> Thanks,
>> Prince
>
> Thanks for your hint, I have tried the problem and please check this
> whether it is correct or not
>
> Models requires:
> class Article < ActiveRecord::Base
> has_many :related_articles, :dependent => :destroy
> has_many :info, :dependent => :destroy
> has_many :comments, :dependent => :destroy
> end
> class RelatedArticle < ActiveRecord::Base
> belongs_to :article
> end
> class Info < ActiveRecord::Base
> belongs_to :article
> end
> class Comment < ActiveRecord::Base
> belongs_to :article
> end
>
> Each article can be related to many articles (or none). -- YES
>
>
> Cleaning up the code:
>
> class ArticleController < ApplicationController
> def show
> @article = Article.find(params[:id])
> if current_user.roles.map {|r| r.to_s}.include?('admin')
> @info = @article.info.first
> else
> @info = nil
> end
> if params[:show_comments] && params[:show_comments] != ''
> @comments = @article.comments.first
> end
> if !(params[:hide_related] && params[:hide_related] != '')
> @related_articles = @article.related_articles
> end
> end
> end
>
> --
> Posted via http://www.ruby-forum.com/.
>
> --
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>

Dud i will give you 2 hints :

- - RTFM
- - try .blank? method # if params[:show_comments] && params[:show_comments] != '' can be wrote as unless params[:show_comments].blank?

Alecslupu
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