class FortyFacets::FacetFilterDefinition::BelongsToFilter

Public Instance Methods

build_scope() click to toggle source
# File lib/forty_facets/filter/facet_filter_definition.rb, line 92
def build_scope
  return Proc.new { |base| base } if empty?
  Proc.new do |base|
    base.joins(definition.joins).where(definition.qualified_column_name => values)
  end
end
facet() click to toggle source
# File lib/forty_facets/filter/facet_filter_definition.rb, line 99
def facet
  my_column = definition.qualified_column_name
  query = "#{my_column} AS foreign_id, count(#{my_column}) AS occurrences"
  counts = without.result(skip_ordering: true).distinct.joins(definition.joins).select(query).group(my_column)
  counts.includes_values = []
  entities_by_id = definition.association.klass.unscoped.find(counts.map(&:foreign_id)).group_by(&:id)

  facet = counts.map do |count|
    facet_entity = entities_by_id[count.foreign_id].first
    is_selected = selected.include?(facet_entity)
    FacetValue.new(facet_entity, count.occurrences, is_selected)
  end

  order_facet!(facet)
end