Contents

# frozen_string_literal: true

module ActsAsTaggableArrayOn
  module Taggable
    def self.included(base)
      base.extend(ClassMethod)
    end

    TYPE_MATCHER = { string: 'varchar', text: 'text', integer: 'integer' }

    module ClassMethod
      def acts_as_taggable_array_on(tag_name, *)
        tag_array_type_fetcher = -> { TYPE_MATCHER[columns_hash[tag_name.to_s].type] }
        parser = ActsAsTaggableArrayOn.parser

        scope :"with_any_#{tag_name}", ->(tags) { where("#{table_name}.#{tag_name} && ARRAY[?]::#{tag_array_type_fetcher.call}[]", parser.parse(tags)) }
        scope :"with_all_#{tag_name}", ->(tags) { where("#{table_name}.#{tag_name} @> ARRAY[?]::#{tag_array_type_fetcher.call}[]", parser.parse(tags)) }
        scope :"without_any_#{tag_name}", ->(tags) { where.not("#{table_name}.#{tag_name} && ARRAY[?]::#{tag_array_type_fetcher.call}[]", parser.parse(tags)) }
        scope :"without_all_#{tag_name}", ->(tags) { where.not("#{table_name}.#{tag_name} @> ARRAY[?]::#{tag_array_type_fetcher.call}[]", parser.parse(tags)) }

        self.class.class_eval do
          define_method :"all_#{tag_name}" do |options = {}, &block|
            subquery_scope = unscoped.select("unnest(#{table_name}.#{tag_name}) as tag").distinct
            subquery_scope = subquery_scope.instance_eval(&block) if block

            from(subquery_scope).pluck('tag')
          end

          define_method :"#{tag_name}_cloud" do |options = {}, &block|
            subquery_scope = unscoped.select("unnest(#{table_name}.#{tag_name}) as tag")
            subquery_scope = subquery_scope.instance_eval(&block) if block

            from(subquery_scope).group('tag').order('tag').pluck(Arel.sql('tag, count(*) as count'))
          end
        end
      end
      alias taggable_array acts_as_taggable_array_on
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
acts-as-taggable-array-on-0.6.0	lib/acts-as-taggable-array-on/taggable.rb