diff options
Diffstat (limited to 'activerecord/lib/active_record/relation/predicate_builder/association_query_handler.rb')
-rw-r--r-- | activerecord/lib/active_record/relation/predicate_builder/association_query_handler.rb | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/activerecord/lib/active_record/relation/predicate_builder/association_query_handler.rb b/activerecord/lib/active_record/relation/predicate_builder/association_query_handler.rb deleted file mode 100644 index 29860ec677..0000000000 --- a/activerecord/lib/active_record/relation/predicate_builder/association_query_handler.rb +++ /dev/null @@ -1,88 +0,0 @@ -module ActiveRecord - class PredicateBuilder - class AssociationQueryHandler # :nodoc: - def self.value_for(table, column, value) - associated_table = table.associated_table(column) - klass = if associated_table.polymorphic_association? && ::Array === value && value.first.is_a?(Base) - PolymorphicArrayValue - else - AssociationQueryValue - end - - klass.new(associated_table, value) - end - - def initialize(predicate_builder) - @predicate_builder = predicate_builder - end - - def call(attribute, value) - queries = {} - - table = value.associated_table - if value.base_class - queries[table.association_foreign_type.to_s] = value.base_class.name - end - - queries[table.association_foreign_key.to_s] = value.ids - predicate_builder.build_from_hash(queries) - end - - # TODO Change this to private once we've dropped Ruby 2.2 support. - # Workaround for Ruby 2.2 "private attribute?" warning. - protected - - attr_reader :predicate_builder - end - - class AssociationQueryValue # :nodoc: - attr_reader :associated_table, :value - - def initialize(associated_table, value) - @associated_table = associated_table - @value = value - end - - def ids - case value - when Relation - value.select(primary_key) - when Array - value.map { |v| convert_to_id(v) } - else - convert_to_id(value) - end - end - - def base_class - if associated_table.polymorphic_association? - @base_class ||= polymorphic_base_class_from_value - end - end - - private - - def primary_key - associated_table.association_primary_key(base_class) - end - - def polymorphic_base_class_from_value - case value - when Relation - value.klass.base_class - when Base - value.class.base_class - end - end - - def convert_to_id(value) - case value - when Base - value._read_attribute(primary_key) - else - value - end - end - end - end -end |