Module: Parentry::ClassMethods

Defined in:
lib/parentry/class_methods.rb

Instance Method Summary collapse

Instance Method Details

#arrange(options = {}) ⇒ Object

rubocop:disable Metrics/AbcSize,Metrics/MethodLength



15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
 
# File 'lib/parentry/class_methods.rb', line 15

def arrange(options = {})
  scope =
    if (order = options.delete(:order))
      base_class.order_by_parentry.order(order)
    else
      base_class.order_by_parentry
    end

  scope.where(options).each_with_object(Hash.new { |h, k| h[k] = {} }) do |node, memo|
    insert_node = node.ancestor_ids.reduce(memo) do |subtree, ancestor_id|
      match = subtree.find { |parent, _children| parent.id == ancestor_id }
      match ? match[1] : subtree
    end
    insert_node[node] = {}
  end
end

#parentry(options = {}) ⇒ Object 



3
4
5
6
7
8
9
10
11
12
 
# File 'lib/parentry/class_methods.rb', line 3

def parentry(options = {})
  self.parentry_strategy = options.fetch(:strategy, 'ltree').to_s
  self.parentry_column = options.fetch(:parentry_column, 'parentry')
  self.depth_offset = options.fetch(:depth_offset, 0)
  self.cache_depth = options.fetch(:cache_depth, false)
  self.touch_ancestors = options.fetch(:touch, false)

  include Strategy::Ltree if parentry_strategy == 'ltree'
  include Strategy::Array if parentry_strategy == 'array'
end