diff options
Diffstat (limited to 'activerecord/lib/active_record/associations.rb')
| -rwxr-xr-x | activerecord/lib/active_record/associations.rb | 42 |
1 files changed, 33 insertions, 9 deletions
diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb index 2115878e32..781a0290e8 100755 --- a/activerecord/lib/active_record/associations.rb +++ b/activerecord/lib/active_record/associations.rb @@ -1,4 +1,10 @@ module ActiveRecord + class InverseOfAssociationNotFoundError < ActiveRecordError #:nodoc: + def initialize(reflection) + super("Could not find the inverse association for #{reflection.name} (#{reflection.options[:inverse_of].inspect} in #{reflection.class_name})") + end + end + class HasManyThroughAssociationNotFoundError < ActiveRecordError #:nodoc: def initialize(owner_class_name, reflection) super("Could not find the association #{reflection.options[:through].inspect} in model #{owner_class_name}") @@ -1488,7 +1494,7 @@ module ActiveRecord :finder_sql, :counter_sql, :before_add, :after_add, :before_remove, :after_remove, :extend, :readonly, - :validate + :validate, :inverse_of ] def create_has_many_reflection(association_id, options, &extension) @@ -1502,7 +1508,7 @@ module ActiveRecord @@valid_keys_for_has_one_association = [ :class_name, :foreign_key, :remote, :select, :conditions, :order, :include, :dependent, :counter_cache, :extend, :as, :readonly, - :validate, :primary_key + :validate, :primary_key, :inverse_of ] def create_has_one_reflection(association_id, options) @@ -1521,7 +1527,7 @@ module ActiveRecord @@valid_keys_for_belongs_to_association = [ :class_name, :foreign_key, :foreign_type, :remote, :select, :conditions, :include, :dependent, :counter_cache, :extend, :polymorphic, :readonly, - :validate, :touch + :validate, :touch, :inverse_of ] def create_belongs_to_reflection(association_id, options) @@ -1665,17 +1671,29 @@ module ActiveRecord string.scan(/([\.a-zA-Z_]+).?\./).flatten end + def tables_in_hash(hash) + return [] if hash.blank? + tables = hash.map do |key, value| + if value.is_a?(Hash) + key.to_s + else + tables_in_string(key) if key.is_a?(String) + end + end + tables.flatten.compact + end + def conditions_tables(options) # look in both sets of conditions conditions = [scope(:find, :conditions), options[:conditions]].inject([]) do |all, cond| case cond when nil then all - when Array then all << cond.first - when Hash then all << cond.keys - else all << cond + when Array then all << tables_in_string(cond.first) + when Hash then all << tables_in_hash(cond) + else all << tables_in_string(cond) end end - tables_in_string(conditions.join(' ')) + conditions.flatten end def order_tables(options) @@ -1910,21 +1928,27 @@ module ActiveRecord return nil if record.id.to_s != join.parent.record_id(row).to_s or row[join.aliased_primary_key].nil? association = join.instantiate(row) collection.target.push(association) + collection.__send__(:set_inverse_instance, association, record) when :has_one return if record.id.to_s != join.parent.record_id(row).to_s return if record.instance_variable_defined?("@#{join.reflection.name}") association = join.instantiate(row) unless row[join.aliased_primary_key].nil? - record.send("set_#{join.reflection.name}_target", association) + set_target_and_inverse(join, association, record) when :belongs_to return if record.id.to_s != join.parent.record_id(row).to_s or row[join.aliased_primary_key].nil? association = join.instantiate(row) - record.send("set_#{join.reflection.name}_target", association) + set_target_and_inverse(join, association, record) else raise ConfigurationError, "unknown macro: #{join.reflection.macro}" end return association end + def set_target_and_inverse(join, association, record) + association_proxy = record.send("set_#{join.reflection.name}_target", association) + association_proxy.__send__(:set_inverse_instance, association, record) + end + class JoinBase # :nodoc: attr_reader :active_record, :table_joins delegate :table_name, :column_names, :primary_key, :reflections, :sanitize_sql, :to => :active_record |