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# File 'lib/chronic_tree.rb', line 34
def chronic_tree(scope_name = 'default')
self.class_eval <<-RUBY
has_many :"elements_under_#{scope_name}_parent",
proc { |owner| where(scope_name: scope_name, tree_type: owner.class.name) },
class_name: 'ChronicTree::ActiveRecord::Element',
foreign_key: 'parent_id',
dependent: :destroy
has_many :"elements_as_#{scope_name}_child",
proc { |owner| where(scope_name: scope_name, tree_type: owner.class.name) },
class_name: 'ChronicTree::ActiveRecord::Element',
foreign_key: 'child_id',
dependent: :destroy
has_many :"elements_under_#{scope_name}_root",
proc { |owner| where(scope_name: scope_name, tree_type: owner.class.name) },
class_name: 'ChronicTree::ActiveRecord::Element',
foreign_key: 'root_id',
dependent: :destroy
RUBY
defined_chronic_tree_scopes << scope_name
end
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