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app/controllers/oauth/wechat_controller.rb

@@ -1,11 +1,32 @@
 class Oauth::WechatController < Oauth::BaseController
   def create
-    user, new_user = Oauth::CreateOrFindWechatAccountService.call(current_user ,params)
+    # user, new_user = Oauth::CreateOrFindWechatAccountService.call(current_user ,params)
 
-    successful_authentication(user) if !new_user
+    begin
+      code = params['code'].to_s.strip
+      tip_exception("code不能为空") if code.blank?
+      new_user = false
 
-    render_ok(new_user: new_user)
-  rescue Oauth::CreateOrFindWechatAccountService::Error => ex
-    render_error(ex.message)
+      result = WechatOauth::Service.access_token(code)
+      result = WechatOauth::Service.user_info(result['access_token'], result['openid'])
+
+      # 存在该用户
+      open_user = OpenUsers::Wechat.find_by(uid: result['unionid'])
+      if open_user.present? && open_user.user.present?
+        successful_authentication(open_user.user)
+      else
+        if current_user.blank? || !current_user.logged?
+          new_user = true
+          set_session_openid(result['openid'])
+          set_session_unionid(result['unionid'])
+        else
+          OpenUsers::Wechat.create!(user: current_user, uid: result['unionid'])
+        end
+      end
+
+      render_ok(new_user: new_user)
+    rescue WechatOauth::Error => ex
+      render_error(ex.message)
+    end
   end
 end