Module: EnjuCirculation::EnjuManifestation::InstanceMethods

Defined in:
lib/enju_circulation/manifestation.rb

Instance Method Summary collapse

Instance Method Details

#available_checkout_types(user) ⇒ Object 



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# File 'lib/enju_circulation/manifestation.rb', line 25

def available_checkout_types(user)
  if user
    user.profile.user_group.user_group_has_checkout_types.available_for_carrier_type(self.carrier_type)
  end
end

#checkout_period(user) ⇒ Object 



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# File 'lib/enju_circulation/manifestation.rb', line 63

def checkout_period(user)
  if available_checkout_types(user)
    available_checkout_types(user).collect(&:checkout_period).max || 0
  end
end

#checkouts(start_date, end_date) ⇒ Object 



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# File 'lib/enju_circulation/manifestation.rb', line 59

def checkouts(start_date, end_date)
  Checkout.completed(start_date, end_date).where(:item_id => self.items.collect(&:id))
end

#is_checked_out_by?(user) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/enju_circulation/manifestation.rb', line 75

def is_checked_out_by?(user)
  if items.size > items.size - user.checkouts.not_returned.collect(&:item).size
    true
  else
    false
  end
end

#is_reservable_by?(user) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/enju_circulation/manifestation.rb', line 31

def is_reservable_by?(user)
  return false if items.for_checkout.empty?
  unless user.has_role?('Librarian')
    unless items.size == (items.size - user.checkouts.overdue(Time.zone.now).collect(&:item).size)
      return false
    end
  end
  true
end

#is_reserved? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/enju_circulation/manifestation.rb', line 51

def is_reserved?
  if self.reserves.present?
    true
  else
    false
  end
end

#is_reserved_by?(user) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/enju_circulation/manifestation.rb', line 41

def is_reserved_by?(user)
  return nil unless user
  reserve = Reserve.waiting.where(:user_id => user.id, :manifestation_id => id).first
  if reserve
    reserve
  else
    false
  end
end

#next_reservation ⇒ Object 



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# File 'lib/enju_circulation/manifestation.rb', line 21

def next_reservation
  self.reserves.waiting.order('reserves.created_at ASC').readonly(false).first
end

#reservation_expired_period(user) ⇒ Object 



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# File 'lib/enju_circulation/manifestation.rb', line 69

def reservation_expired_period(user)
  if available_checkout_types(user)
    available_checkout_types(user).collect(&:reservation_expired_period).max || 0
  end
end