refactor: move get_monthly_earned_leave to server side

hrms/hr/doctype/leave_allocation/leave_allocation.js

@@ -51,7 +51,10 @@ frappe.ui.form.on("Leave Allocation", {
 	},
 
 	add_allocate_leaves_button: async function (frm) {
-		const monthly_earned_leave = await frm.trigger("get_monthly_earned_leave");
+		const { message: monthly_earned_leave } = await frappe.call({
+			method: "get_monthly_earned_leave",
+			doc: frm.doc,
+		});
 
 		frm.add_custom_button(__("Allocate Leaves Manually"), function () {
 			const dialog = new frappe.ui.Dialog({
@@ -81,43 +84,6 @@ frappe.ui.form.on("Leave Allocation", {
 		});
 	},
 
-	get_monthly_earned_leave: async function (frm) {
-		const {
-			message: { date_of_joining },
-		} = await frappe.db.get_value("Employee", frm.doc.employee, "date_of_joining");
-
-		const {
-			message: { annual_allocation },
-		} = await frappe.db.get_value(
-			"Leave Policy Detail",
-			{
-				parent: frm.doc.leave_policy,
-				leave_type: frm.doc.leave_type,
-			},
-			"annual_allocation",
-			() => {},
-			"Leave Policy",
-		);
-
-		const {
-			message: { earned_leave_frequency, rounding },
-		} = await frappe.db.get_value("Leave Type", frm.doc.leave_type, [
-			"earned_leave_frequency",
-			"rounding",
-		]);
-
-		const { message } = await frappe.call({
-			method: "hrms.hr.utils.get_monthly_earned_leave",
-			args: {
-				date_of_joining: date_of_joining,
-				annual_leaves: annual_allocation,
-				frequency: earned_leave_frequency,
-				rounding: rounding,
-			},
-		});
-		return message;
-	},
-
 	expire_allocation: function (frm) {
 		frappe.call({
 			method: "hrms.hr.doctype.leave_ledger_entry.leave_ledger_entry.expire_allocation",

hrms/hr/doctype/leave_allocation/leave_allocation.py

@@ -13,6 +13,7 @@
 	expire_allocation,
 )
 from hrms.hr.utils import create_additional_leave_ledger_entry, get_leave_period, set_employee_name
+from hrms.hr.utils import get_monthly_earned_leave as _get_monthly_earned_leave
 
 
 class OverlapError(frappe.ValidationError):
@@ -346,6 +347,30 @@ def allocate_leaves_manually(self, new_leaves):
 			)
 			self.add_comment(comment_type="Info", text=text)
 
+	@frappe.whitelist()
+	def get_monthly_earned_leave(self):
+		doj = frappe.db.get_value("Employee", self.employee, "date_of_joining")
+
+		annual_allocation = frappe.db.get_value(
+			"Leave Policy Detail",
+			{
+				"parent": self.leave_policy,
+				"leave_type": self.leave_type,
+			},
+			"annual_allocation",
+		)
+
+		frequency, rounding = frappe.db.get_value(
+			"Leave Type",
+			self.leave_type,
+			[
+				"earned_leave_frequency",
+				"rounding",
+			],
+		)
+
+		return _get_monthly_earned_leave(doj, annual_allocation, frequency, rounding)
+
 
 def get_previous_allocation(from_date, leave_type, employee):
 	"""Returns document properties of previous allocation"""