34 lines
1.1 KiB
Ruby
34 lines
1.1 KiB
Ruby
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class Comment < ActiveRecord::Base
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belongs_to :commentable, :polymorphic => true
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# NOTE: install the acts_as_votable plugin if you
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# want user to vote on the quality of comments.
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#acts_as_voteable
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# NOTE: Comments belong to a user
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belongs_to :user
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# Helper class method to lookup all comments assigned
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# to all commentable types for a given user.
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def self.find_comments_by_user(user)
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find(:all,
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:conditions => ["user_id = ?", user.id],
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:order => "created_at DESC"
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)
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end
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# Helper class method to look up all comments for
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# commentable class name and commentable id.
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def self.find_comments_for_commentable(commentable_str, commentable_id)
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find(:all,
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:conditions => ["commentable_type = ? and commentable_id = ?", commentable_str, commentable_id],
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:order => "created_at DESC"
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)
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end
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# Helper class method to look up a commentable object
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# given the commentable class name and id
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def self.find_commentable(commentable_str, commentable_id)
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commentable_str.constantize.find(commentable_id)
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end
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end
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