diff options
Diffstat (limited to 'activerecord/lib/active_record/scoping/named.rb')
| -rw-r--r-- | activerecord/lib/active_record/scoping/named.rb | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/scoping/named.rb b/activerecord/lib/active_record/scoping/named.rb index 2f266eff79..077e2d067e 100644 --- a/activerecord/lib/active_record/scoping/named.rb +++ b/activerecord/lib/active_record/scoping/named.rb @@ -3,6 +3,7 @@ require 'active_support/core_ext/hash/except' require 'active_support/core_ext/kernel/singleton_class' require 'active_support/core_ext/object/blank' require 'active_support/core_ext/class/attribute' +require 'active_support/deprecation' module ActiveRecord # = Active Record Named \Scopes @@ -171,11 +172,24 @@ module ActiveRecord # Article.published.featured.latest_article # Article.featured.titles - def scope(name, scope_options = {}, &block) + def scope(name, body = {}, &block) extension = Module.new(&block) if block + # Check body.is_a?(Relation) to prevent the relation actually being + # loaded by respond_to? + if body.is_a?(Relation) || !body.respond_to?(:call) + ActiveSupport::Deprecation.warn( + "Using #scope without passing a callable object is deprecated. For " \ + "example `scope :red, where(color: 'red')` should be changed to " \ + "`scope :red, -> { where(color: 'red') }`. There are numerous gotchas " \ + "in the former usage and it makes the implementation more complicated " \ + "and buggy. (If you prefer, you can just define a class method named " \ + "`self.red`.)" + ) + end + singleton_class.send(:define_method, name) do |*args| - options = scope_options.respond_to?(:call) ? unscoped { scope_options.call(*args) } : scope_options + options = body.respond_to?(:call) ? unscoped { body.call(*args) } : body options = scoped.apply_finder_options(options) if options.is_a?(Hash) relation = scoped.merge(options) |