Fix bug.

app/controllers/admin/ruling_timers_controller.rb

@@ -47,7 +47,7 @@ class Admin::RulingTimersController < OrbitMemberController
 	end
 	def timer_management
 		@timer_temps = RulingTimerTemp.all.page(params[:page]).per(15)
-		@active_users = @timer_temps.map{|t| t.user}
+		@active_users = @timer_temps.map{|t| t.user}.compact
 	end
 	def task_management
 		@tasks = RulingTimerTask.all.desc(:created_at).page(params[:page]).per(10)

app/models/ruling_timer_task.rb

@@ -69,20 +69,18 @@ class RulingTimerTask
   end
   after_save do
     if self.ruling_timer_project_id_change && !@already_save
-      if self.ruling_timer_project_id_change[0]
-        old_project = RulingTimerProject.find(self.ruling_timer_project_id_change[0]) rescue nil
-        if old_project
-          old_project.task_count -=  1
-          @already_save = true
-          old_project.save(:validate=>false)
-        end
+      if self.ruling_timer_project_id_was
+        RulingTimerProject.where(:id=>self.ruling_timer_project_id_was).update_all({"$inc"=>{"task_count"=>-1}})
+        old_project = RulingTimerProject.where(:id=>self.ruling_timer_project_id_was).first
+        old_project.all_user_ids = old_project.ruling_timer_tasks.pluck(:user_ids).uniq
+        old_project.save
       end
       new_project = self.ruling_timer_project
-      new_project.task_count +=  1
       new_project.all_user_ids += self.get_all_user_ids
       new_project.all_user_ids.uniq
       @already_save = true
       new_project.save(:validate=>false)
+      RulingTimerProject.where(:id=>self.ruling_timer_project_id).update_all({"$inc"=>{"task_count"=>1}})
     end
     if self.ruling_timer_section_id_change && !@already_save
       need_create_notify = true

app/views/admin/ruling_timers/_task_table.html.erb

@@ -27,7 +27,7 @@
 						<% user_ids = task.user_ids
 						   user_bson_ids = user_ids.map{|id| BSON::ObjectId(id)}
 						%>
-						<% users = User.find(user_ids).index_by(&:id).slice(*user_bson_ids).values %>
+						<% users = User.where(:id.in=>user_ids).index_by(&:id).slice(*user_bson_ids).values %>
 						<% users.each do |user| %>
 							<% sub_task = task.ruling_timer_sub_tasks.where(:user=>user).first %>
 							<% next if sub_task.nil? %>

config/routes.rb

@@ -51,6 +51,25 @@ Rails.application.routes.draw do
 			category.title_translations = I18n.available_locales.map{|l| [l.to_s,I18n.with_locale(l){I18n.t("ruling_timer.personal_project")}]}.to_h
 			category.save
 		end
+		RulingTimerTemp.all.to_a.each do |t|
+			if t.user.nil? # user has been removed
+				user_id = t.user_id.to_s
+				RulingTimerTask.where(:user_ids=>user_id).to_a.each do |task|
+					task.ruling_timer_sub_tasks.where(:user_id=>user_id).destroy
+					if task.owner_id.to_s == user_id
+						task.owner_id = nil
+					end
+					task.helper_ids.delete(user_id)
+					task.user_ids.delete(user_id)
+					task.save
+				end
+				RulingTimerProject.where(:all_user_ids=>user_id).each do |proj|
+					proj.all_user_ids.delete(user_id)
+					proj.save
+				end
+				t.destroy
+			end
+		end
 	rescue => e
 		puts e.to_s
 	end