Class: OvertureMaps::Models::Category

Inherits:
ActiveRecord::Base
  • Object
show all
Defined in:
lib/overture_maps/models/category.rb

Overview

Overture places category taxonomy (no geometry — plain lookup table).

Class Method Summary collapse

Class Method Details

.expand(names) ⇒ Object

Expands taxonomy groups to the leaf categories beneath them, at any depth ("eat_and_drink" or "restaurant" → every *_restaurant leaf). Names that aren't groups pass through unchanged, so mixed input like ["eat_and_drink", "museum"] works.



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# File 'lib/overture_maps/models/category.rb', line 23

def self.expand(names)
  names = Array(names).map(&:to_s)
  leaves = names.flat_map do |group|
    where("taxonomy @> ?", [group].to_json).pluck(:name)
  end
  (names + leaves).uniq
end

.primary_categories ⇒ Object 



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# File 'lib/overture_maps/models/category.rb', line 15

def self.primary_categories
  distinct.where.not(primary_category: nil).pluck(:primary_category).sort
end