Salary Register (#13367)

- convert date range to from_date and to_date
diff --git a/erpnext/hr/report/salary_register/salary_register.js b/erpnext/hr/report/salary_register/salary_register.js
index 794dcb5..c99d002 100644
--- a/erpnext/hr/report/salary_register/salary_register.js
+++ b/erpnext/hr/report/salary_register/salary_register.js
@@ -4,10 +4,17 @@
 frappe.query_reports["Salary Register"] = {
 	"filters": [
 		{
-			"fieldname":"date_range",
-			"label": __("Date Range"),
-			"fieldtype": "DateRange",
-			"default": [frappe.datetime.add_months(frappe.datetime.get_today(),-1), frappe.datetime.get_today()],
+			"fieldname":"from_date",
+			"label": __("From"),
+			"fieldtype": "Date",
+			"default": frappe.datetime.add_months(frappe.datetime.get_today(),-1),
+			"reqd": 1
+		},
+		{
+			"fieldname":"to_date",
+			"label": __("To"),
+			"fieldtype": "Date",
+			"default": frappe.datetime.get_today(),
 			"reqd": 1
 		},
 		{
diff --git a/erpnext/hr/report/salary_register/salary_register.py b/erpnext/hr/report/salary_register/salary_register.py
index 8b93182..2599b50 100644
--- a/erpnext/hr/report/salary_register/salary_register.py
+++ b/erpnext/hr/report/salary_register/salary_register.py
@@ -9,6 +9,8 @@
 def execute(filters=None):
 	if not filters: filters = {}
 	salary_slips = get_salary_slips(filters)
+	if not salary_slips: return [], []
+
 	columns, earning_types, ded_types = get_columns(salary_slips)
 	ss_earning_map = get_ss_earning_map(salary_slips)
 	ss_ded_map = get_ss_ded_map(salary_slips)
@@ -23,7 +25,7 @@
 		if not ss.department  == None: columns[4] = columns[4].replace('-1','120')
 		if not ss.designation  == None: columns[5] = columns[5].replace('-1','120')
 		if not ss.leave_withut_pay  == None: columns[9] = columns[9].replace('-1','130')
-			
+
 
 		for e in earning_types:
 			row.append(ss_earning_map.get(ss.name, {}).get(e))
@@ -53,7 +55,7 @@
 		_("Department") + ":Link/Department:-1", _("Designation") + ":Link/Designation:-1",
 		_("Company") + ":Link/Company:120", _("Start Date") + "::80", _("End Date") + "::80", _("Leave Without Pay") + ":Float:-1",
 		_("Payment Days") + ":Float:120"
-	]	
+	]
 
 	salary_components = {_("Earning"): [], _("Deduction"): []}
 
@@ -70,20 +72,17 @@
 	return columns, salary_components[_("Earning")], salary_components[_("Deduction")]
 
 def get_salary_slips(filters):
-	filters.update({"from_date": filters.get("date_range")[0], "to_date":filters.get("date_range")[1]})
+	filters.update({"from_date": filters.get("from_date"), "to_date":filters.get("to_date")})
 	conditions, filters = get_conditions(filters)
 	salary_slips = frappe.db.sql("""select * from `tabSalary Slip` where docstatus = 1 %s
 		order by employee""" % conditions, filters, as_dict=1)
 
-	if not salary_slips:
-		frappe.throw(_("No salary slip found between {0} and {1}").format(
-			filters.get("from_date"), filters.get("to_date")))
-	return salary_slips
+	return salary_slips or []
 
 def get_conditions(filters):
 	conditions = ""
-	if filters.get("date_range"): conditions += " and start_date >= %(from_date)s"
-	if filters.get("date_range"): conditions += " and end_date <= %(to_date)s"
+	if filters.get("from_date"): conditions += " and start_date >= %(from_date)s"
+	if filters.get("to_date"): conditions += " and end_date <= %(to_date)s"
 	if filters.get("company"): conditions += " and company = %(company)s"
 	if filters.get("employee"): conditions += " and employee = %(employee)s"