donphan/app/models/stream_entry.rb

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class StreamEntry < ActiveRecord::Base
belongs_to :account, inverse_of: :stream_entries
belongs_to :activity, polymorphic: true
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validates :account, :activity, presence: true
scope :with_includes, -> { includes(:activity) }
scope :paginate_by_max_id, -> (limit, max_id) { order('id desc').limit(limit).where(max_id.nil? ? '1=1' : ['id < ?', max_id]) }
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def object_type
orphaned? ? :activity : (targeted? ? :activity : self.activity.object_type)
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end
def verb
orphaned? ? :delete : self.activity.verb
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end
def targeted?
[:follow, :share, :favorite].include? verb
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end
def target
orphaned? ? nil : self.activity.target
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end
def title
orphaned? ? nil : self.activity.title
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end
def content
orphaned? ? nil : self.activity.content
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end
def threaded?
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verb == :favorite || object_type == :comment
end
def thread
orphaned? ? nil : self.activity.thread
end
def mentions
orphaned? ? [] : self.activity.mentions
end
private
def orphaned?
self.activity.nil?
end
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end