fix: handle negative leaves without allocation

erpnext/hr/doctype/leave_allocation/leave_allocation.py

@@ -7,7 +7,6 @@ from frappe.utils import flt, date_diff, formatdate, add_days
 from frappe import _
 from frappe.model.document import Document
 from erpnext.hr.utils import set_employee_name, get_leave_period
-from erpnext.hr.doctype.leave_application.leave_application import get_approved_leaves_for_period
 from erpnext.hr.doctype.leave_ledger_entry.leave_ledger_entry import create_leave_ledger_entry
 
 class OverlapError(frappe.ValidationError): pass
@@ -133,9 +132,9 @@ class LeaveAllocation(Document):
 		''' expire previous allocation leaves '''
 		leaves = get_unused_leaves(self.employee, self.leave_type, self.from_date)
 
-		if flt(leaves) > 0:
+		if leaves:
 			args = dict(
-				leaves=leaves * -1,
+				leaves=flt(leaves) * -1,
 				from_date=self.from_date,
 				to_date=self.from_date,
 				is_carry_forward=0,
@@ -198,6 +197,7 @@ def get_unused_leaves(employee, leave_type, date):
 			"employee": employee,
 			"docstatus": 1,
 			"leave_type": leave_type,
+			"is_lwp": 0
 			}, fieldname=['SUM(leaves)'])
 
 def validate_carry_forward(leave_type):

erpnext/hr/doctype/leave_ledger_entry/leave_ledger_entry.json

@@ -62,7 +62,7 @@
   },
   {
    "fieldname": "leaves",
-   "fieldtype": "Int",
+   "fieldtype": "Float",
    "in_list_view": 1,
    "label": "Leaves"
   },
@@ -101,7 +101,7 @@
  ],
  "in_create": 1,
  "is_submittable": 1,
- "modified": "2019-06-05 12:56:04.980160",
+ "modified": "2019-06-06 20:33:37.531161",
  "modified_by": "Administrator",
  "module": "HR",
  "name": "Leave Ledger Entry",

erpnext/hr/doctype/leave_ledger_entry/leave_ledger_entry.py

@@ -9,11 +9,6 @@ from frappe import _
 from frappe.utils import add_days, today, flt
 
 class LeaveLedgerEntry(Document):
-	def validate_entries(self):
-		total_leaves = frappe.get_all('Leave Ledger Entry', ['SUM(leaves)'])
-		if total_leaves < 0:
-			frappe.throw(_("Invalid Ledger Entry"))
-
 	def on_cancel(self):
 		# allow cancellation of expiry leaves
 		if not self.is_expired:
@@ -43,7 +38,8 @@ def create_leave_ledger_entry(ref_doc, args, submit=True):
 		transaction_type=ref_doc.doctype,
 		transaction_name=ref_doc.name,
 		is_carry_forward=0,
-		is_expired=0
+		is_expired=0,
+		is_lwp=0
 	)
 	ledger.update(args)
 	if submit:

erpnext/hr/doctype/leave_type/leave_type.py

@@ -10,11 +10,4 @@ from frappe import _
 from frappe.model.document import Document
 
 class LeaveType(Document):
-	def validate(self):
-		if self.is_carry_forward:
-			self.validate_carry_forward()
-
-	def validate_carry_forward(self):
-		max_days = 367 if calendar.isleap(datetime.now().year) else 366
-		if not (0 <= self.carry_forward_leave_expiry <= max_days):
-			frappe.throw(_('Invalid entry!! Carried forward days need to expire within a year'))
+	pass