add access_token cache hook define method

Rakefile

@@ -5,9 +5,6 @@ require 'rspec/core/rake_task'
 require 'rubocop/rake_task'
 
 RSpec::Core::RakeTask.new(:spec)
+RuboCop::RakeTask.new(:rubocop)
 
 task default: :spec
\ No newline at end of file
-
-RuboCop::RakeTask.new(:rubocop) do |task|
-  task.options = ['-A']
-end

bin/console

@@ -2,7 +2,7 @@
 # frozen_string_literal: true
 
 require 'bundler/setup'
-require 'dingtalk'
+require 'dingtalk_sdk'
 
 # You can add fixtures and/or initialization code here to make experimenting
 # with your gem easier. You can also use a different console, if you like.

lib/dingtalk_sdk/access_token.rb

@@ -15,5 +15,34 @@ module DingtalkSdk
       request.add_const :appkey, ->(r) { r.app_key }, in: :query
       request.add_const :appsecret, ->(r) { r.app_secret }, in: :query
     end
+
+    # 获取缓存的 access_token
+    # 通过 Request.set_access_token_cache_method 定义缓存方法
+    # @return [Hash]
+    def cached_access_token
+      method_name = :@@ak_cache_method
+
+      unless self.class.class_variable_defined? method_name
+        raise DingtalkSdk::Error, 'access_token cache method not found'
+      end
+
+      self.class.class_variable_get(method_name).call(agent_id, app_key, app_secret)
+    end
+
+    module ClassMethods
+      def set_access_token_cache_method
+        raise ArgumentError, 'invalid access_token cache method' unless block_given?
+
+        class_variable_set :@@ak_cache_method, ->(agent_id, app_key, app_secret) { yield(agent_id, app_key, app_secret) }
+      end
+
+      def unset_access_token_cache_method
+        remove_class_variable :@@ak_cache_method if class_variable_defined?(AK_CACHE_METHOD_NAME)
+      end
+    end
+
+    def self.included(base)
+      base.extend(ClassMethods)
+    end
   end
 end

lib/dingtalk_sdk/core.rb

@@ -85,6 +85,8 @@ module DingtalkSdk
       end
     end
 
+    protected
+
     def add_request(request_name, method, url)
       builder = RequestBuilder.new
       yield builder if block_given?

spec/dingtalk_sdk/access_token_spec.rb

@@ -23,7 +23,7 @@ RSpec.describe DingtalkSdk::AccessToken do
       h[:access_token] = @mocked_access_token
     end
 
-    stub_request(:get, /oapi.dingtalk.com/)
+    stub_request(:get, %r{oapi\.dingtalk\.com/gettoken})
       .with(query: { appkey: @app_key, appsecret: @app_secret })
       .to_return(status: 200, body: response_body.to_json)
   end
@@ -33,4 +33,19 @@ RSpec.describe DingtalkSdk::AccessToken do
 
     expect(response[:access_token]).to eq(@mocked_access_token)
   end
+
+  it 'should invoke configured access_token_persist method' do
+    ak1 = @mocked_access_token
+    ak2 = 'another_mocked_access_token'
+
+    DingtalkSdk::Request.set_access_token_cache_method do |_agent_id, app_key, app_secret|
+      app_key == @app_key && app_secret == @app_secret ? ak1 : ak2
+    end
+
+    request_hit = DingtalkSdk::Request.new(agent_id: @agent_id, app_key: @app_key, app_secret: @app_secret)
+    request_miss = DingtalkSdk::Request.new(agent_id: @agent_id, app_key: 'another_app_key', app_secret: 'another_app_secret')
+
+    expect(request_hit.cached_access_token).to eq(ak1)
+    expect(request_miss.cached_access_token).to eq(ak2)
+  end
 end

spec/dingtalk_sdk/auth_spec.rb

@@ -47,7 +47,7 @@ RSpec.describe DingtalkSdk::Auth do
       }
     end
 
-    stub_request(:get, %r{oapi.dingtalk.com/user/getuserinfo})
+    stub_request(:get, %r{oapi\.dingtalk\.com/user/getuserinfo})
       .with(
         query: {
           code: @int_login_code,
@@ -56,7 +56,7 @@ RSpec.describe DingtalkSdk::Auth do
       )
       .to_return(status: 200, body: get_user_info_response_body.to_json)
 
-    stub_request(:post, %r{oapi.dingtalk.com/sns/getuserinfo_bycode})
+    stub_request(:post, %r{oapi\.dingtalk\.com/sns/getuserinfo_bycode})
       .with(
         query: {
           accessKey: @app_key,