modify

app/controllers/courses_controller.rb

@@ -937,7 +937,7 @@ class CoursesController < ApplicationController
     @page  = params[:page]  || 1
     @page_size = params[:page_size] || 15
 
-    @courses = Course.by_user(current_user).hidden(false).ended(false).deleted(0).by_keywords(params[:search]).distinct
+    @courses = Course.by_user(current_user).hidden(false).processing.not_deleted.by_keywords(params[:search]).distinct
 
     # @total_count = @courses.count
     # offset = 0

app/models/course.rb

@@ -62,7 +62,7 @@ class Course < ApplicationRecord
   scope :hidden,      ->(is_hidden = true) { where(is_hidden: is_hidden) }
   scope :ended,       ->(is_end = true) { where(is_end: is_end) }
   scope :processing,  -> { where(is_end: false) }
-  scope :not_deleted, -> { where(is_delete: false) }
+  scope :not_deleted, -> { where(is_delete: 0) }
   scope :deleted,     ->(is_delete = 1) { where(is_delete: is_delete) }
   scope :by_user,     ->(user) { joins(:course_members).where('course_members.user_id = ?', user.id).order(updated_at: :desc) }
   scope :by_keywords, lambda { |keywords|

app/services/users/course_service.rb

@@ -11,7 +11,7 @@ class Users::CourseService
   end
 
   def call
-    courses = category_scope_courses.deleted(false)
+    courses = category_scope_courses.not_deleted
 
     courses = status_filter(courses)
 
@@ -38,9 +38,9 @@ class Users::CourseService
 
     case params[:status]
     when 'processing' then
-      relations.ended(false)
+      relations.processing
     when 'end' then
-      relations.ended(true)
+      relations.ended
     else
       relations
     end