Module: Interestable

Extended by:
ActiveSupport::Concern
Included in:
Challenge, PeerReview, Project, Proposal, User, Workgroup
Defined in:
app/models/concerns/interestable.rb

Instance Method Summary collapse

Instance Method Details

#update_interests(new_interest_ids) ⇒ Object

challenge, workgroup, project, user



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# File 'app/models/concerns/interestable.rb', line 11

def update_interests(new_interest_ids)
  # no need to clean interests array as it's a fixed set of integers
  current_interest_ids = interests.pluck(:id)
  # Using set logic to get the new items
  ids_of_interests_to_add = new_interest_ids - current_interest_ids
  Interest.where(id: ids_of_interests_to_add).find_each do |interest|
    interests << interest
    add_edge(interest, 'has_interest') unless self.class.name == "PeerReview" 
  end
  # Using set logic to get the items that don't exist anymore
  ids_of_interests_to_remove = current_interest_ids - new_interest_ids
  Interest.where(id: ids_of_interests_to_remove).find_each do |interest|
    interests.delete(interest)
    remove_edge(interest, 'has_interest') unless self.class.name == "PeerReview" 
  end
end