refactor: course list data

lms/lms/api.py

@@ -6,8 +6,9 @@ from frappe.translate import get_all_translations
 from frappe import _
 from frappe.query_builder import DocType
 from frappe.query_builder.functions import Count
-from frappe.utils import time_diff, now_datetime, get_datetime
+from frappe.utils import time_diff, now_datetime, get_datetime, flt
 from typing import Optional
+from lms.lms.utils import get_average_rating, get_lesson_count
 
 
 @frappe.whitelist()
@@ -760,3 +761,23 @@ def get_payment_gateway_details(payment_gateway):
 		"doctype": doctype,
 		"docname": docname,
 	}
+
+
+def update_course_statistics():
+	courses = frappe.get_all("LMS Course", fields=["name"])
+
+	for course in courses:
+		lessons = get_lesson_count(course.name)
+
+		enrollments = frappe.db.count(
+			"LMS Enrollment", {"course": course.name, "member_type": "Student"}
+		)
+
+		avg_rating = get_average_rating(course.name) or 0
+		avg_rating = flt(avg_rating, frappe.get_system_settings("float_precision") or 3)
+
+		frappe.db.set_value(
+			"LMS Course",
+			course.name,
+			{"lessons": lessons, "enrollments": enrollments, "rating": avg_rating},
+		)