cla pr and destroy user_cla

app/controllers/users/clas_controller.rb

@@ -2,20 +2,32 @@ class Users::ClasController <  Users::BaseController
     before_action :require_login
     before_action :private_user_resources!
     def index
-        @user_clas = UserCla.where(user: @_observed_user)
+        @user_clas = UserCla.where(user: current_user)
     end
 
     def create
-        tip_exception("已签署过该组织CLA!") if @_observed_user.user_clas.where(cla_id: params[:cla_id]).size > 0
-        ActiveRecord::Base.transaction do
-            Users::UserClaForm.new(user_cla_params).validate!
-            @user_cla = UserCla.build(user_cla_params, @_observed_user.id)
-            render_ok
+        @user_cla = current_user.user_clas.find_by(cla_id: params[:cla_id])
+        if @user_cla
+            @user_cla.update_attributes(state: 1)
+        else
+            ActiveRecord::Base.transaction do
+                Users::UserClaForm.new(user_cla_params).validate!
+                @user_cla = UserCla.build(user_cla_params, current_user.id)
+                
+            end
         end
+        render_ok
         rescue Exception => e
             uid_logger_error(e.message)
             tip_exception(e.message)
     end
+
+    def destroy
+        @user_cla = current_user.user_clas.find_by(cla_id: params[:cla_id])
+        @user_cla.update_attributes(state: 2)
+        render_ok
+    end
+
     private 
 
     def user_cla_params