readme update; changelog update; version bump v1.6.4

Author: gaorlov

CHANGELOG.md

@@ -2,6 +2,13 @@
 
 ## Unreleased
 
+## v1.6.4
+- [#314](https://github.com/JsonApiClient/json_api_client/pull/314) - Mimic ActiveRecord behavior when destroying a resource:
+  * Add `destroyed?` method
+  * Do not clear resource attributes
+  * Return `false` on `persisted?` after being destroyed
+  * Return `false` on `new_record?` after being destroyed
+
 ## v1.6.3
 
 - [#312](https://githup.com/JsonApiClient/json_api_client/pull/312) - Don't raise on `422`

README.md

@@ -39,14 +39,29 @@ MyApi::Article.where(author_id: 1).all
 MyApi::Person.where(name: "foo").order(created_at: :desc).includes(:preferences, :cars).all
 
 u = MyApi::Person.new(first_name: "bar", last_name: "foo")
+u.new_record?
+# => true
 u.save
 
+u.new_record?
+# => false
+
 u = MyApi::Person.find(1).first
 u.update_attributes(
   a: "b",
   c: "d"
 )
 
+u.persisted? 
+# => true
+
+u.destroy
+
+u.destroyed? 
+# => true
+u.persisted? 
+# => false
+
 u = MyApi::Person.create(
   a: "b",
   c: "d"

lib/json_api_client/version.rb

@@ -1,3 +1,3 @@
 module JsonApiClient
-  VERSION = "1.6.3"
+  VERSION = "1.6.4"
 end