Add a deprecation DSL

lib/active_model/serializer/adapter.rb

@@ -3,40 +3,37 @@ module ActiveModel
     # @deprecated Use ActiveModelSerializers::Adapter instead
     module Adapter
       class << self
+        extend ActiveModelSerializers::Deprecate
+
         def create(resource, options = {})
-          warn_deprecation
           ActiveModelSerializers::Adapter.create(resource, options)
         end
+        deprecate :create, 'ActiveModelSerializers::Adapter.'
 
         def adapter_class(adapter)
-          warn_deprecation
           ActiveModelSerializers::Adapter.adapter_class(adapter)
         end
+        deprecate :adapter_class, 'ActiveModelSerializers::Adapter.'
 
         def adapter_map
-          warn_deprecation
           ActiveModelSerializers::Adapter.adapter_map
         end
+        deprecate :adapter_map, 'ActiveModelSerializers::Adapter.'
 
         def adapters
-          warn_deprecation
           ActiveModelSerializers::Adapter.adapters
         end
+        deprecate :adapters, 'ActiveModelSerializers::Adapter.'
 
         def register(name, klass = name)
-          warn_deprecation
           ActiveModelSerializers::Adapter.register(name, klass)
         end
+        deprecate :register, 'ActiveModelSerializers::Adapter.'
 
         def lookup(adapter)
-          warn_deprecation
           ActiveModelSerializers::Adapter.lookup(adapter)
         end
-
-        def warn_deprecation
-          warn "Calling deprecated #{name} (#{__FILE__}) from #{caller[1..3].join(', ')}. Please use ActiveModelSerializers::Adapter"
-        end
-        private :warn_deprecation
+        deprecate :lookup, 'ActiveModelSerializers::Adapter.'
       end
 
       require 'active_model/serializer/adapter/base'

lib/active_model/serializer/adapter/attributes.rb

@@ -1,13 +1,14 @@
-require 'active_model_serializers/adapter/attributes'
-
 module ActiveModel
   class Serializer
     module Adapter
       class Attributes < DelegateClass(ActiveModelSerializers::Adapter::Attributes)
         def initialize(serializer, options = {})
-          warn "Calling deprecated #{self.class.name} (#{__FILE__}) from #{caller[0..2].join(', ')}. Please use #{self.class.name.sub('ActiveModel::Serializer', 'ActiveModelSerializers')}"
           super(ActiveModelSerializers::Adapter::Attributes.new(serializer, options))
         end
+        class << self
+          extend ActiveModelSerializers::Deprecate
+          deprecate :new, 'ActiveModelSerializers::Adapter::Json.'
+        end
       end
     end
   end

lib/active_model/serializer/adapter/base.rb

@@ -2,9 +2,9 @@ module ActiveModel
   class Serializer
     module Adapter
       class Base < DelegateClass(ActiveModelSerializers::Adapter::Base)
-        def self.inherited(base)
-          warn "Inheriting deprecated ActiveModel::Serializer::Adapter::Base in #{caller[0..2].join(', ')}. Please use ActiveModelSerializers::Adapter::Base"
-          super
+        class << self
+          extend ActiveModelSerializers::Deprecate
+          deprecate :inherited, 'ActiveModelSerializers::Adapter::Base.'
         end
 
         def initialize(serializer, options = {})

lib/active_model/serializer/adapter/json.rb

@@ -1,13 +1,14 @@
-require 'active_model_serializers/adapter/json'
-
 module ActiveModel
   class Serializer
     module Adapter
       class Json < DelegateClass(ActiveModelSerializers::Adapter::Json)
         def initialize(serializer, options = {})
-          warn "Calling deprecated #{self.class.name} (#{__FILE__}) from #{caller[0..2].join(', ')}. Please use #{self.class.name.sub('ActiveModel::Serializer', 'ActiveModelSerializers')}"
           super(ActiveModelSerializers::Adapter::Json.new(serializer, options))
         end
+        class << self
+          extend ActiveModelSerializers::Deprecate
+          deprecate :new, 'ActiveModelSerializers::Adapter::Json.new'
+        end
       end
     end
   end

lib/active_model/serializer/adapter/json_api.rb

@@ -1,13 +1,14 @@
-require 'active_model_serializers/adapter/json_api'
-
 module ActiveModel
   class Serializer
     module Adapter
       class JsonApi < DelegateClass(ActiveModelSerializers::Adapter::JsonApi)
         def initialize(serializer, options = {})
-          warn "Calling deprecated #{self.class.name} (#{__FILE__}) from #{caller[0..2].join(', ')}. Please use #{self.class.name.sub('ActiveModel::Serializer', 'ActiveModelSerializers')}"
           super(ActiveModelSerializers::Adapter::JsonApi.new(serializer, options))
         end
+        class << self
+          extend ActiveModelSerializers::Deprecate
+          deprecate :new, 'ActiveModelSerializers::Adapter::JsonApi.new'
+        end
       end
     end
   end

lib/active_model/serializer/adapter/null.rb

@@ -1,13 +1,14 @@
-require 'active_model_serializers/adapter/null'
-
 module ActiveModel
   class Serializer
     module Adapter
       class Null < DelegateClass(ActiveModelSerializers::Adapter::Null)
         def initialize(serializer, options = {})
-          warn "Calling deprecated #{self.class.name} (#{__FILE__}) from #{caller[0..2].join(', ')}. Please use #{self.class.name.sub('ActiveModel::Serializer', 'ActiveModelSerializers')}"
           super(ActiveModelSerializers::Adapter::Null.new(serializer, options))
         end
+        class << self
+          extend ActiveModelSerializers::Deprecate
+          deprecate :new, 'ActiveModelSerializers::Adapter::Null.new'
+        end
       end
     end
   end

lib/active_model/serializer/array_serializer.rb

@@ -1,9 +1,9 @@
 require 'active_model/serializer/collection_serializer'
 class ActiveModel::Serializer
   class ArraySerializer < CollectionSerializer
-    def initialize(*)
-      warn "Calling deprecated ArraySerializer in #{caller[0..2].join(', ')}. Please use CollectionSerializer"
-      super
+    class << self
+      extend ActiveModelSerializers::Deprecate
+      deprecate :new, 'ActiveModel::CollectionSerializer.'
     end
   end
 end