Class: ActiveFedora::Associations::OrdersAssociation

Inherits:
CollectionAssociation show all
Defined in:
lib/active_fedora/associations/orders_association.rb

Instance Attribute Summary

Attributes inherited from CollectionAssociation

#proxy

Attributes inherited from Association

#inversed, #owner, #reflection, #target

Instance Method Summary collapse

Methods inherited from CollectionAssociation

#add_to_target, #any?, #build, #concat, #concat_records, #count, #create, #create!, #delete, #delete_all, #destroy, #destroy_all, #empty?, #find, #first, #ids_reader, #ids_writer, #include?, #last, #load_from_solr, #null_scope?, #reset, #select, #size, #target=, #to_ary, #writer

Methods inherited from Association

#initialize_attributes, #loaded!, #loaded?, #reload, #reset, #reset_scope, #set_inverse_instance, #stale_target?, #target_scope

Constructor Details

#initialize(*args) ⇒ OrdersAssociation 



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# File 'lib/active_fedora/associations/orders_association.rb', line 3

def initialize(*args)
  super
  @target = find_target
end

Instance Method Details

#append_target(record, _skip_callbacks = false) ⇒ Object

Append a target node to the end of the order.



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# File 'lib/active_fedora/associations/orders_association.rb', line 54

def append_target(record, _skip_callbacks = false)
  unless unordered_association.target.include?(record)
    unordered_association.concat(record)
  end
  target.append_target(record, proxy_in: owner)
end

#delete_record(record) ⇒ Object

Delete a list node



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# File 'lib/active_fedora/associations/orders_association.rb', line 100

def delete_record(record)
  target.delete_node(record)
end

#delete_records(records, _method = nil) ⇒ Object

Delete multiple list nodes.



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# File 'lib/active_fedora/associations/orders_association.rb', line 92

def delete_records(records, _method = nil)
  records.each do |record|
    delete_record(record)
  end
end

#find_reflection ⇒ Object 



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# File 'lib/active_fedora/associations/orders_association.rb', line 34

def find_reflection
  reflection
end

#find_target ⇒ Object 



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# File 'lib/active_fedora/associations/orders_association.rb', line 44

def find_target
  ordered_proxies
end

#insert_record(record, _force = true, _validate = true) ⇒ Object 



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# File 'lib/active_fedora/associations/orders_association.rb', line 104

def insert_record(record, _force = true, _validate = true)
  record.save_target
  list_container.save
  # NOTE: This turns out to be pretty cheap, but should we be doing it
  # elsewhere?
  unless list_container.changed?
    owner.head = [list_container.head_id.first]
    owner.tail = [list_container.tail_id.first]
    owner.save
  end
end

#insert_target_at(loc, record) ⇒ Object

Insert a target node in a specific position



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# File 'lib/active_fedora/associations/orders_association.rb', line 64

def insert_target_at(loc, record)
  unless unordered_association.target.include?(record)
    unordered_association.concat(record)
  end
  target.insert_at(loc, record, proxy_in: owner)
end

#insert_target_id_at(loc, id) ⇒ Object

Insert a target ID in a specific position

Raises:

  • (ArgumentError) 


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# File 'lib/active_fedora/associations/orders_association.rb', line 74

def insert_target_id_at(loc, id)
  raise ArgumentError, "ID can not be nil" if id.nil?
  unless unordered_association.ids_reader.include?(id)
    raise ArgumentError, "#{id} is not a part of #{unordered_association.reflection.name}"
  end
  target.insert_proxy_for_at(loc, ActiveFedora::Base.id_to_uri(id), proxy_in: owner)
end

#inspect ⇒ Object 



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# File 'lib/active_fedora/associations/orders_association.rb', line 8

def inspect
  "#<ActiveFedora::Associations::OrdersAssociation:#{object_id}>"
end

#load_target ⇒ Object 



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# File 'lib/active_fedora/associations/orders_association.rb', line 48

def load_target
  @target = find_target
end

#reader(*args) ⇒ Object 



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# File 'lib/active_fedora/associations/orders_association.rb', line 12

def reader(*args)
  @proxy ||= ActiveFedora::Orders::CollectionProxy.new(self)
  @null_proxy ||= ActiveFedora::Orders::CollectionProxy.new(self)
  super
end

#replace(new_ordered_list) ⇒ Object 



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# File 'lib/active_fedora/associations/orders_association.rb', line 38

def replace(new_ordered_list)
  raise unless new_ordered_list.is_a? ActiveFedora::Orders::OrderedList
  list_container.ordered_self = new_ordered_list
  @target = find_target
end

#scope(*_args) ⇒ Object 



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# File 'lib/active_fedora/associations/orders_association.rb', line 116

def scope(*_args)
  @scope ||= ActiveFedora::Relation.new(klass)
end

#target_ids_reader ⇒ Object 



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# File 'lib/active_fedora/associations/orders_association.rb', line 30

def target_ids_reader
  target_reader.ids
end

#target_reader ⇒ Object 



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# File 'lib/active_fedora/associations/orders_association.rb', line 26

def target_reader
  @target_proxy ||= ActiveFedora::Orders::TargetProxy.new(self)
end

#target_writer(nodes) ⇒ Object

Meant to override all nodes with the given nodes.



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# File 'lib/active_fedora/associations/orders_association.rb', line 20

def target_writer(nodes)
  target_reader.clear
  target_reader.concat(nodes)
  target_reader
end