Merge branch 'develop' of https://github.com/frappe/erpnext into cost_center_filter_p_r
diff --git a/erpnext/accounts/doctype/opening_invoice_creation_tool/opening_invoice_creation_tool.py b/erpnext/accounts/doctype/opening_invoice_creation_tool/opening_invoice_creation_tool.py
index 174b7d7..2d9ae93 100644
--- a/erpnext/accounts/doctype/opening_invoice_creation_tool/opening_invoice_creation_tool.py
+++ b/erpnext/accounts/doctype/opening_invoice_creation_tool/opening_invoice_creation_tool.py
@@ -114,10 +114,13 @@
 				)
 				or {}
 			)
+
+			default_currency = frappe.db.get_value(row.party_type, row.party, "default_currency")
+
 			if company_details:
 				invoice.update(
 					{
-						"currency": company_details.get("default_currency"),
+						"currency": default_currency or company_details.get("default_currency"),
 						"letter_head": company_details.get("default_letter_head"),
 					}
 				)
@@ -154,7 +157,6 @@
 				"income_account" if row.party_type == "Customer" else "expense_account"
 			)
 			default_uom = frappe.db.get_single_value("Stock Settings", "stock_uom") or _("Nos")
-			default_currency = frappe.db.get_value(row.party_type, row.party, "default_currency")
 			rate = flt(row.outstanding_amount) / flt(row.qty)
 
 			item_dict = frappe._dict(
@@ -167,7 +169,6 @@
 					"description": row.item_name or "Opening Invoice Item",
 					income_expense_account_field: row.temporary_opening_account,
 					"cost_center": cost_center,
-					"currency": default_currency,
 				}
 			)
 
diff --git a/erpnext/hr/doctype/employee_checkin/employee_checkin.py b/erpnext/hr/doctype/employee_checkin/employee_checkin.py
index 64eb019..e07b5e5 100644
--- a/erpnext/hr/doctype/employee_checkin/employee_checkin.py
+++ b/erpnext/hr/doctype/employee_checkin/employee_checkin.py
@@ -5,7 +5,7 @@
 import frappe
 from frappe import _
 from frappe.model.document import Document
-from frappe.utils import cint, get_datetime
+from frappe.utils import cint, get_datetime, get_link_to_form
 
 from erpnext.hr.doctype.attendance.attendance import (
 	get_duplicate_attendance_record,
@@ -130,14 +130,11 @@
 	"""
 	log_names = [x.name for x in logs]
 	employee = logs[0].employee
+
 	if attendance_status == "Skip":
-		frappe.db.sql(
-			"""update `tabEmployee Checkin`
-			set skip_auto_attendance = %s
-			where name in %s""",
-			("1", log_names),
-		)
+		skip_attendance_in_checkins(log_names)
 		return None
+
 	elif attendance_status in ("Present", "Absent", "Half Day"):
 		employee_doc = frappe.get_doc("Employee", employee)
 		duplicate = get_duplicate_attendance_record(employee, attendance_date, shift)
@@ -159,6 +156,12 @@
 			}
 			attendance = frappe.get_doc(doc_dict).insert()
 			attendance.submit()
+
+			if attendance_status == "Absent":
+				attendance.add_comment(
+					text=_("Employee was marked Absent for not meeting the working hours threshold.")
+				)
+
 			frappe.db.sql(
 				"""update `tabEmployee Checkin`
 				set attendance = %s
@@ -167,13 +170,10 @@
 			)
 			return attendance
 		else:
-			frappe.db.sql(
-				"""update `tabEmployee Checkin`
-				set skip_auto_attendance = %s
-				where name in %s""",
-				("1", log_names),
-			)
+			skip_attendance_in_checkins(log_names)
+			add_comment_in_checkins(log_names, duplicate, overlapping)
 			return None
+
 	else:
 		frappe.throw(_("{} is an invalid Attendance Status.").format(attendance_status))
 
@@ -241,3 +241,34 @@
 
 def find_index_in_dict(dict_list, key, value):
 	return next((index for (index, d) in enumerate(dict_list) if d[key] == value), None)
+
+
+def add_comment_in_checkins(log_names, duplicate, overlapping):
+	if duplicate:
+		text = _("Auto Attendance skipped due to duplicate attendance record: {}").format(
+			get_link_to_form("Attendance", duplicate[0].name)
+		)
+	else:
+		text = _("Auto Attendance skipped due to overlapping attendance record: {}").format(
+			get_link_to_form("Attendance", overlapping.name)
+		)
+
+	for name in log_names:
+		frappe.get_doc(
+			{
+				"doctype": "Comment",
+				"comment_type": "Comment",
+				"reference_doctype": "Employee Checkin",
+				"reference_name": name,
+				"content": text,
+			}
+		).insert(ignore_permissions=True)
+
+
+def skip_attendance_in_checkins(log_names):
+	EmployeeCheckin = frappe.qb.DocType("Employee Checkin")
+	(
+		frappe.qb.update(EmployeeCheckin)
+		.set("skip_auto_attendance", 1)
+		.where(EmployeeCheckin.name.isin(log_names))
+	).run()
diff --git a/erpnext/hr/doctype/shift_type/shift_type.py b/erpnext/hr/doctype/shift_type/shift_type.py
index 5e214cf..a61bb9e 100644
--- a/erpnext/hr/doctype/shift_type/shift_type.py
+++ b/erpnext/hr/doctype/shift_type/shift_type.py
@@ -134,7 +134,17 @@
 			shift_details = get_employee_shift(employee, timestamp, True)
 
 			if shift_details and shift_details.shift_type.name == self.name:
-				mark_attendance(employee, date, "Absent", self.name)
+				attendance = mark_attendance(employee, date, "Absent", self.name)
+				if attendance:
+					frappe.get_doc(
+						{
+							"doctype": "Comment",
+							"comment_type": "Comment",
+							"reference_doctype": "Attendance",
+							"reference_name": attendance,
+							"content": frappe._("Employee was marked Absent due to missing Employee Checkins."),
+						}
+					).insert(ignore_permissions=True)
 
 	def get_start_and_end_dates(self, employee):
 		"""Returns start and end dates for checking attendance and marking absent
diff --git a/erpnext/regional/united_arab_emirates/setup.py b/erpnext/regional/united_arab_emirates/setup.py
index cc647f8..c77fdcc 100644
--- a/erpnext/regional/united_arab_emirates/setup.py
+++ b/erpnext/regional/united_arab_emirates/setup.py
@@ -244,7 +244,7 @@
 		"Supplier Quotation Item": invoice_item_fields,
 	}
 
-	create_custom_fields(custom_fields)
+	create_custom_fields(custom_fields, ignore_validate=True)
 
 
 def add_print_formats():