42 lines
1020 B
Ruby
42 lines
1020 B
Ruby
class Comment < ActiveRecord::Base
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acts_as_nested_set scope: [:commentable_id, :commentable_type], counter_cache: :children_count
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acts_as_votable
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validates :body, presence: true
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validates :user, presence: true
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belongs_to :commentable, polymorphic: true
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belongs_to :user
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scope :recent, -> { order(id: :desc) }
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def self.build(commentable, user, body)
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new commentable: commentable,
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user_id: user.id,
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body: body
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end
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def self.find_parent(params)
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params[:commentable_type].constantize.find(params[:commentable_id])
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end
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def debate
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commentable if commentable.class == Debate
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end
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def author
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user
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end
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def total_votes
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votes_for.size
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end
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# TODO: faking counter cache since there is a bug with acts_as_nested_set :counter_cache
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# Remove when https://github.com/collectiveidea/awesome_nested_set/issues/294 is fixed
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# There is a test for this, so you should know if it is actually fixed.
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def children_count
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children.count
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end
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end
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