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app/controllers/weapps/course_member_attendances_controller.rb

@@ -14,6 +14,9 @@ class Weapps::CourseMemberAttendancesController < ApplicationController
       @members = @members.where(course_group_id: params[:group_ids])
     end
 
+    @page = params[:page] || 1
+    @limit = params[:limit] || 5
+
     if params[:attendance_status].present?
       @members = @members.joins(:course_member_attendances).where(course_member_attendances: {course_attendance_id: attendance.id, attendance_status: params[:attendance_status]})
     end

app/views/weapps/course_member_attendances/index.json.jbuilder

@@ -4,8 +4,9 @@
 #   json.student_id member.user&.student_id
 # end
 
-json.member_attendances @members.each do |member|
+json.member_attendances @members.each_with_index do |member, index|
   json.(member, :user_id)
+  json.index (@page.to_i - 1) * @limit.to_i + index + 1
   json.user_name member.user&.real_name
   json.student_id member.user&.student_id
   json.attendance_status @member_attendances.select{|attendance| attendance.course_member_id == member.id}.first&.attendance_status || "ABSENCE"