diff options
Diffstat (limited to 'activerecord/lib/active_record/reflection.rb')
| -rw-r--r-- | activerecord/lib/active_record/reflection.rb | 45 |
1 files changed, 22 insertions, 23 deletions
diff --git a/activerecord/lib/active_record/reflection.rb b/activerecord/lib/active_record/reflection.rb index 0d9534acd6..3e8d9718f5 100644 --- a/activerecord/lib/active_record/reflection.rb +++ b/activerecord/lib/active_record/reflection.rb @@ -20,9 +20,9 @@ module ActiveRecord # MacroReflection class has info for the AssociationReflection # class. module ClassMethods - def create_reflection(macro, name, options, active_record) + def create_reflection(macro, name, scope, options, active_record) klass = options[:through] ? ThroughReflection : AssociationReflection - reflection = klass.new(macro, name, options, active_record) + reflection = klass.new(macro, name, scope, options, active_record) self.reflections = self.reflections.merge(name => reflection) reflection @@ -71,6 +71,8 @@ module ActiveRecord # <tt>has_many :clients</tt> returns <tt>:has_many</tt> attr_reader :macro + attr_reader :scope + # Returns the hash of options used for the macro. # # <tt>has_many :clients</tt> returns +{}+ @@ -80,9 +82,10 @@ module ActiveRecord attr_reader :plural_name # :nodoc: - def initialize(macro, name, options, active_record) + def initialize(macro, name, scope, options, active_record) @macro = macro @name = name + @scope = scope @options = options @active_record = active_record @plural_name = active_record.pluralize_table_names ? @@ -142,7 +145,7 @@ module ActiveRecord @klass ||= active_record.send(:compute_type, class_name) end - def initialize(macro, name, options, active_record) + def initialize(*args) super @collection = [:has_many, :has_and_belongs_to_many].include?(macro) end @@ -244,11 +247,10 @@ module ActiveRecord false end - # An array of arrays of conditions. Each item in the outside array corresponds to a reflection - # in the #chain. The inside arrays are simply conditions (and each condition may itself be - # a hash, array, arel predicate, etc...) - def conditions - [[options[:conditions]].compact] + # An array of arrays of scopes. Each item in the outside array corresponds to a reflection + # in the #chain. + def scope_chain + scope ? [[scope]] : [[]] end alias :source_macro :macro @@ -416,28 +418,25 @@ module ActiveRecord # has_many :tags # end # - # There may be conditions on Person.comment_tags, Article.comment_tags and/or Comment.tags, + # There may be scopes on Person.comment_tags, Article.comment_tags and/or Comment.tags, # but only Comment.tags will be represented in the #chain. So this method creates an array - # of conditions corresponding to the chain. Each item in the #conditions array corresponds - # to an item in the #chain, and is itself an array of conditions from an arbitrary number - # of relevant reflections, plus any :source_type or polymorphic :as constraints. - def conditions - @conditions ||= begin - conditions = source_reflection.conditions.map { |c| c.dup } + # of scopes corresponding to the chain. + def scope_chain + @scope_chain ||= begin + scope_chain = source_reflection.scope_chain.map(&:dup) - # Add to it the conditions from this reflection if necessary. - conditions.first << options[:conditions] if options[:conditions] + # Add to it the scope from this reflection (if any) + scope_chain.first << scope if scope - through_conditions = through_reflection.conditions + through_scope_chain = through_reflection.scope_chain if options[:source_type] - through_conditions.first << { foreign_type => options[:source_type] } + through_scope_chain.first << + through_reflection.klass.where(foreign_type => options[:source_type]) end # Recursively fill out the rest of the array from the through reflection - conditions += through_conditions - - conditions + scope_chain + through_scope_chain end end |