refactor: fetch minimal information for batch cards

lms/lms/utils.py

@@ -1030,6 +1030,7 @@ def get_course_details(course):
 	course_details.tags = course_details.tags.split(",") if course_details.tags else []
 
 	course_details.instructors = get_instructors(course_details.name)
+	# course_details.is_instructor = is_instructor(course_details.name)
 	if course_details.paid_course:
 		"""course_details.course_price, course_details.currency = check_multicurrency(
 		        course_details.course_price, course_details.currency, None, course_details.amount_usd
@@ -1048,7 +1049,6 @@ def get_course_details(course):
 			["name", "course", "current_lesson", "progress", "member"],
 			as_dict=1,
 		)
-		course_details.is_instructor = is_instructor(course_details.name)
 
 	if course_details.membership and course_details.membership.current_lesson:
 		course_details.current_lesson = get_lesson_index(
@@ -1219,12 +1219,49 @@ def get_batches():
 	batch_list = frappe.get_all("LMS Batch", filters)
 
 	for batch in batch_list:
-		batches.append(get_batch_details(batch.name))
+		batches.append(get_batch_card_details(batch.name))
 
 	batches = categorize_batches(batches)
 	return batches
 
 
+def get_batch_card_details(batchname):
+	batch = frappe.db.get_value(
+		"LMS Batch",
+		batchname,
+		[
+			"name",
+			"title",
+			"description",
+			"seat_count",
+			"paid_batch",
+			"amount",
+			"amount_usd",
+			"currency",
+			"start_date",
+			"start_time",
+			"end_time",
+			"timezone",
+			"published",
+		],
+		as_dict=True,
+	)
+
+	batch.instructors = get_instructors(batchname)
+	students_count = frappe.db.count("Batch Student", {"parent": batchname})
+
+	if batch.seat_count:
+		batch.seats_left = batch.seat_count - students_count
+
+	if batch.paid_batch and batch.start_date >= getdate():
+		batch.amount, batch.currency = check_multicurrency(
+			batch.amount, batch.currency, None, batch.amount_usd
+		)
+		batch.price = fmt_money(batch.amount, 0, batch.currency)
+
+	return batch
+
+
 @frappe.whitelist(allow_guest=True)
 def get_batch_details(batch):
 	batch_details = frappe.db.get_value(