Class: Card::Reference

Inherits:
ActiveRecord::Base
  • Object
show all
Defined in:
lib/card/reference.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.delete_all_from(card) ⇒ Object 



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# File 'lib/card/reference.rb', line 13

def delete_all_from card
  delete_all referer_id: card.id
end

.delete_all_to(card) ⇒ Object 



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# File 'lib/card/reference.rb', line 17

def delete_all_to card
  where(referee_id: card.id).update_all present: 0, referee_id: nil
end

.delete_missing_referers ⇒ Object 



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# File 'lib/card/reference.rb', line 50

def delete_missing_referers
  joins(
    'LEFT JOIN cards ON card_references.referer_id = cards.id'
  ).where(
    'cards.id IS NULL'
  ).delete_all
end

.repair_all ⇒ Object 



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# File 'lib/card/reference.rb', line 58

def repair_all
  delete_missing_referers

  Card.where(trash: false).find_each do |card|
    Rails.logger.info "Repairing references for '#{card.name}'" \
                      "(id: #{card.id}) ... "
    card.update_references
  end
end

.repair_missing_referees ⇒ Object 



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# File 'lib/card/reference.rb', line 42

def repair_missing_referees
  joins(
    'LEFT JOIN cards ON card_references.referee_id = cards.id'
  ).where(
    '(cards.id IS NULL OR cards.trash IS TRUE) AND referee_id IS NOT NULL'
  ).update_all referee_id: nil
end

.update_existing_key(card, name = nil) ⇒ Object 



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# File 'lib/card/reference.rb', line 21

def update_existing_key card, name=nil
  key = (name || card.name).to_name.key
  where(referee_key: key).update_all present: 1, referee_id: card.id
end

.update_on_delete(card) ⇒ Object 



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# File 'lib/card/reference.rb', line 37

def update_on_delete card
  delete_all_from card
  delete_all_to card
end

.update_on_rename(card, newname, update_referers = false) ⇒ Object 



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# File 'lib/card/reference.rb', line 26

def update_on_rename card, newname, update_referers=false
  if update_referers
    # not currently needed because references are deleted and re-created
    # in the process of adding new revision
    # where referee_id: card.id).update_all referee_key: newname.to_name.key
  else
    delete_all_to card
  end
  update_existing_key card, newname
end

Instance Method Details

#referencee ⇒ Object 



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# File 'lib/card/reference.rb', line 8

def referencee
  Card[referee_id]
end

#referencer ⇒ Object 



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# File 'lib/card/reference.rb', line 4

def referencer
  Card[referer_id]
end