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theotherzach/gist:3750269

Created September 19, 2012 15:29
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gistfile1.rb
class Comment < ActiveRecord::Base
attr_accessible :subject, :body, :category, :reply_to
belongs_to :user
has_many :replies, :class_name => 'Comment',
:foreign_key => 'reply_to'
has_many :tags
scope :root, -> { where("reply_to = ?", 0 }
end
# Edited to rename Post to Comment
@abwinkler999
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What should happen if a B posts a reply to A's Comment, and A subsequently deletes his?

We could keep the reply functionality by changing deleted Comments to a "The user deleted this post" placeholder, or else have suddenly orphaned Comments simply become autonomous replies to the Conversation-starting Comment.

@mdarby
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mdarby commented Sep 19, 2012

We could do a placeholder, or just delete all sub comments as they would no longer make sense -- or we could not allow modifications of Comments once they've been commented on.

OR (yes, again), we could provide an option to do one of the three, and have it as an option settable by the Admin.

@theotherzach
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I feel pretty OK about child posts going away after the parent is deleted. I can't think of any commenting system off the top of my head that does anything else with orphans.

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