fix: Expense Claim conditions for Paid status

- status doesn't change to Paid if the entire required amount is already covered via linked advances

- status doesn't change to Paid if the claim is partially paid via advances

- patch to update such uncancelled claims to Paid

erpnext/hr/doctype/expense_claim/expense_claim.py

@@ -42,10 +42,16 @@ class ExpenseClaim(AccountsController):
 			"2": "Cancelled"
 		}[cstr(self.docstatus or 0)]
 
-		paid_amount = flt(self.total_amount_reimbursed) + flt(self.total_advance_amount)
 		precision = self.precision("grand_total")
-		if (self.is_paid or (flt(self.total_sanctioned_amount) > 0 and self.docstatus == 1
-			and flt(self.grand_total, precision) == flt(paid_amount, precision))) and self.approval_status == 'Approved':
+
+		if (
+			# set as paid
+			self.is_paid
+			# grand total is reimbursed
+			or (flt(self.total_sanctioned_amount) > 0 and self.docstatus == 1 and flt(self.grand_total, precision) == flt(self.total_amount_reimbursed, precision))
+			# grand total (to be paid) is 0 since linked advances already cover the claimed amount
+			or (flt(self.grand_total, precision) == 0)
+		) and self.approval_status == "Approved":
 			status = "Paid"
 		elif flt(self.total_sanctioned_amount) > 0 and self.docstatus == 1 and self.approval_status == 'Approved':
 			status = "Unpaid"

erpnext/patches.txt

@@ -362,3 +362,4 @@ erpnext.patches.v14_0.update_employee_advance_status
 erpnext.patches.v13_0.add_cost_center_in_loans
 erpnext.patches.v13_0.set_return_against_in_pos_invoice_references
 erpnext.patches.v13_0.remove_unknown_links_to_prod_plan_items # 24-03-2022
+erpnext.patches.v13_0.update_expense_claim_status_for_paid_advances

erpnext/patches/v13_0/update_expense_claim_status_for_paid_advances.py

@@ -0,0 +1,21 @@
+import frappe
+
+
+def execute():
+	"""
+	Update Expense Claim status to Paid if:
+		- the entire required amount is already covered via linked advances
+		- the claim is partially paid via advances and the rest is reimbursed
+	"""
+
+	ExpenseClaim = frappe.qb.DocType('Expense Claim')
+
+	(frappe.qb
+		.update(ExpenseClaim)
+		.set(ExpenseClaim.status, 'Paid')
+		.where(
+			((ExpenseClaim.grand_total == 0) | (ExpenseClaim.grand_total == ExpenseClaim.total_amount_reimbursed))
+			& (ExpenseClaim.approval_status == 'Approved')
+			& (ExpenseClaim.docstatus != 2)
+		)
+	).run()