Merge branch 'hotfix'
diff --git a/erpnext/__init__.py b/erpnext/__init__.py
index 6dbdab8..21abfaf 100644
--- a/erpnext/__init__.py
+++ b/erpnext/__init__.py
@@ -5,7 +5,7 @@
 from erpnext.hooks import regional_overrides
 from frappe.utils import getdate
 
-__version__ = '11.1.19'
+__version__ = '11.1.20'
 
 def get_default_company(user=None):
 	'''Get default company for user'''
diff --git a/erpnext/projects/report/billing_summary.py b/erpnext/projects/report/billing_summary.py
new file mode 100644
index 0000000..214dcef
--- /dev/null
+++ b/erpnext/projects/report/billing_summary.py
@@ -0,0 +1,123 @@
+# Copyright (c) 2013, Frappe Technologies Pvt. Ltd. and contributors
+# For license information, please see license.txt
+
+
+from __future__ import unicode_literals
+import frappe
+from frappe import _
+from frappe.utils import time_diff_in_hours
+
+def get_columns():
+	return [
+		{
+			"label": _("Employee ID"),
+			"fieldtype": "Link",
+			"fieldname": "employee",
+			"options": "Employee",
+			"width": 300
+		},
+		{
+			"label": _("Employee Name"),
+			"fieldtype": "data",
+			"fieldname": "employee_name",
+			"hidden": 1,
+			"width": 200
+		},
+		{
+			"label": _("Timesheet"),
+			"fieldtype": "Link",
+			"fieldname": "timesheet",
+			"options": "Timesheet",
+			"width": 150
+		},
+		{
+			"label": _("Total Billable Hours"),
+			"fieldtype": "Int",
+			"fieldname": "total_billable_hours",
+			"width": 50
+		},
+		{
+			"label": _("Total Hours"),
+			"fieldtype": "Int",
+			"fieldname": "total_hours",
+			"width": 50
+		},
+		{
+			"label": _("Amount"),
+			"fieldtype": "Int",
+			"fieldname": "amount",
+			"width": 100
+		}
+	]
+
+def get_data(filters):
+	data = []
+	record = get_records(filters)
+
+	for entries in record:
+		total_hours = 0
+		total_billable_hours = 0
+		total_amount = 0
+		entries_exists = False
+		timesheet_details = get_timesheet_details(filters, entries.name)
+		for activity in timesheet_details:
+			entries_exists = True
+			time_start = activity.from_time
+			time_end = frappe.utils.add_to_date(activity.from_time, hours=activity.hours)
+			from_date = frappe.utils.get_datetime(filters.from_date)
+			to_date = frappe.utils.get_datetime(filters.to_date)
+
+			if time_start <= from_date and time_end <= to_date:
+				total_hours, total_billable_hours, total_amount = get_billable_and_total_hours(activity,
+					time_end, from_date, total_hours, total_billable_hours, total_amount)
+			elif time_start >= from_date and time_end >= to_date:
+				total_hours, total_billable_hours, total_amount = get_billable_and_total_hours(activity,
+					to_date, time_start, total_hours, total_billable_hours, total_amount)
+			elif time_start >= from_date and time_end <= to_date:
+				total_hours, total_billable_hours, total_amount = get_billable_and_total_hours(activity,
+					time_end, time_start, total_hours, total_billable_hours, total_amount)
+
+		row = {
+			"employee": entries.employee,
+			"employee_name": entries.employee_name,
+			"timesheet": entries.name,
+			"total_billable_hours": total_billable_hours,
+			"total_hours": total_hours,
+			"amount": total_amount
+		}
+
+		if entries_exists:
+			data.append(row)
+			entries_exists = False
+
+	return data
+
+def get_records(filters):
+	record_filters = [
+			["start_date", "<=", filters.to_date],
+			["end_date", ">=", filters.from_date]
+		]
+
+	if "employee" in filters:
+		record_filters.append(["employee", "=", filters.employee])
+
+	return frappe.get_all("Timesheet", filters=record_filters, fields=[" * "] )
+
+def get_billable_and_total_hours(activity, end, start, total_hours, total_billable_hours, total_amount):
+	total_hours += abs(time_diff_in_hours(end, start))
+	if activity.billable:
+		total_billable_hours += abs(time_diff_in_hours(end, start))
+		total_amount += total_billable_hours * activity.billing_rate
+	return total_hours, total_billable_hours, total_amount
+
+def get_timesheet_details(filters, parent):
+	timesheet_details_filter = {"parent": parent}
+
+	if "project" in filters:
+		timesheet_details_filter["project"] = filters.project
+
+	return frappe.get_all(
+		"Timesheet Detail",
+		filters = timesheet_details_filter,
+		fields=["*"]
+		)
diff --git a/erpnext/projects/report/employee_billing_summary/__init__.py b/erpnext/projects/report/employee_billing_summary/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/erpnext/projects/report/employee_billing_summary/__init__.py
diff --git a/erpnext/projects/report/employee_billing_summary/employee_billing_summary.js b/erpnext/projects/report/employee_billing_summary/employee_billing_summary.js
new file mode 100644
index 0000000..65c2a69
--- /dev/null
+++ b/erpnext/projects/report/employee_billing_summary/employee_billing_summary.js
@@ -0,0 +1,29 @@
+// Copyright (c) 2016, Frappe Technologies Pvt. Ltd. and contributors
+// For license information, please see license.txt
+/* eslint-disable */
+
+frappe.query_reports["Employee Billing Summary"] = {
+	"filters": [
+		{
+			fieldname: "employee",
+			label: __("Employee"),
+			fieldtype: "Link",
+			options: "Employee",
+			reqd: 1
+		},
+		{
+			fieldname:"from_date",
+			label: __("From Date"),
+			fieldtype: "Date",
+			default: frappe.datetime.get_today(),
+			reqd: 1
+		},
+		{
+			fieldname:"to_date",
+			label: __("To Date"),
+			fieldtype: "Date",
+			default: frappe.datetime.add_days(frappe.datetime.get_today(), 30),
+			reqd: 1
+		},
+	]
+}
diff --git a/erpnext/projects/report/employee_billing_summary/employee_billing_summary.json b/erpnext/projects/report/employee_billing_summary/employee_billing_summary.json
new file mode 100644
index 0000000..433ebac
--- /dev/null
+++ b/erpnext/projects/report/employee_billing_summary/employee_billing_summary.json
@@ -0,0 +1,36 @@
+{
+ "add_total_row": 0, 
+ "creation": "2019-03-08 15:08:19.929728", 
+ "disable_prepared_report": 0, 
+ "disabled": 0, 
+ "docstatus": 0, 
+ "doctype": "Report", 
+ "idx": 0, 
+ "is_standard": "Yes", 
+ "modified": "2019-03-08 15:08:19.929728", 
+ "modified_by": "Administrator", 
+ "module": "Projects", 
+ "name": "Employee Billing Summary", 
+ "owner": "Administrator", 
+ "prepared_report": 0, 
+ "ref_doctype": "Timesheet", 
+ "report_name": "Employee Billing Summary", 
+ "report_type": "Script Report", 
+ "roles": [
+  {
+   "role": "Projects User"
+  }, 
+  {
+   "role": "HR User"
+  }, 
+  {
+   "role": "Manufacturing User"
+  }, 
+  {
+   "role": "Employee"
+  }, 
+  {
+   "role": "Accounts User"
+  }
+ ]
+}
\ No newline at end of file
diff --git a/erpnext/projects/report/employee_billing_summary/employee_billing_summary.py b/erpnext/projects/report/employee_billing_summary/employee_billing_summary.py
new file mode 100644
index 0000000..cd5ad78
--- /dev/null
+++ b/erpnext/projects/report/employee_billing_summary/employee_billing_summary.py
@@ -0,0 +1,14 @@
+# Copyright (c) 2013, Frappe Technologies Pvt. Ltd. and contributors
+# For license information, please see license.txt
+
+from __future__ import unicode_literals
+import frappe
+from frappe import _
+from erpnext.projects.report.billing_summary import get_columns, get_data
+
+def execute(filters=None):
+	filters = frappe._dict(filters or {})
+	columns = get_columns()
+
+	data = get_data(filters)
+	return columns, data
\ No newline at end of file
diff --git a/erpnext/projects/report/project_billing_summary/__init__.py b/erpnext/projects/report/project_billing_summary/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/erpnext/projects/report/project_billing_summary/__init__.py
diff --git a/erpnext/projects/report/project_billing_summary/project_billing_summary.js b/erpnext/projects/report/project_billing_summary/project_billing_summary.js
new file mode 100644
index 0000000..62362c3
--- /dev/null
+++ b/erpnext/projects/report/project_billing_summary/project_billing_summary.js
@@ -0,0 +1,29 @@
+// Copyright (c) 2016, Frappe Technologies Pvt. Ltd. and contributors
+// For license information, please see license.txt
+/* eslint-disable */
+
+frappe.query_reports["Project Billing Summary"] = {
+	"filters": [
+		{
+			fieldname: "project",
+			label: __("Project"),
+			fieldtype: "Link",
+			options: "Project",
+			reqd: 1
+		},
+		{
+			fieldname:"from_date",
+			label: __("From Date"),
+			fieldtype: "Date",
+			default: frappe.datetime.get_today(),
+			reqd: 1
+		},
+		{
+			fieldname:"to_date",
+			label: __("To Date"),
+			fieldtype: "Date",
+			default: frappe.datetime.add_days(frappe.datetime.get_today(), 30),
+			reqd: 1
+		},
+	]
+}
diff --git a/erpnext/projects/report/project_billing_summary/project_billing_summary.json b/erpnext/projects/report/project_billing_summary/project_billing_summary.json
new file mode 100644
index 0000000..a3f91c8
--- /dev/null
+++ b/erpnext/projects/report/project_billing_summary/project_billing_summary.json
@@ -0,0 +1,36 @@
+{
+ "add_total_row": 0, 
+ "creation": "2019-03-11 16:22:39.460524", 
+ "disable_prepared_report": 0, 
+ "disabled": 0, 
+ "docstatus": 0, 
+ "doctype": "Report", 
+ "idx": 0, 
+ "is_standard": "Yes", 
+ "modified": "2019-03-11 16:22:39.460524", 
+ "modified_by": "Administrator", 
+ "module": "Projects", 
+ "name": "Project Billing Summary", 
+ "owner": "Administrator", 
+ "prepared_report": 0, 
+ "ref_doctype": "Timesheet", 
+ "report_name": "Project Billing Summary", 
+ "report_type": "Script Report", 
+ "roles": [
+  {
+   "role": "Projects User"
+  }, 
+  {
+   "role": "HR User"
+  }, 
+  {
+   "role": "Manufacturing User"
+  }, 
+  {
+   "role": "Employee"
+  }, 
+  {
+   "role": "Accounts User"
+  }
+ ]
+}
\ No newline at end of file
diff --git a/erpnext/projects/report/project_billing_summary/project_billing_summary.py b/erpnext/projects/report/project_billing_summary/project_billing_summary.py
new file mode 100644
index 0000000..cd5ad78
--- /dev/null
+++ b/erpnext/projects/report/project_billing_summary/project_billing_summary.py
@@ -0,0 +1,14 @@
+# Copyright (c) 2013, Frappe Technologies Pvt. Ltd. and contributors
+# For license information, please see license.txt
+
+from __future__ import unicode_literals
+import frappe
+from frappe import _
+from erpnext.projects.report.billing_summary import get_columns, get_data
+
+def execute(filters=None):
+	filters = frappe._dict(filters or {})
+	columns = get_columns()
+
+	data = get_data(filters)
+	return columns, data
\ No newline at end of file
diff --git a/erpnext/stock/doctype/item/item.py b/erpnext/stock/doctype/item/item.py
index 8761f4e..e93e7d9 100644
--- a/erpnext/stock/doctype/item/item.py
+++ b/erpnext/stock/doctype/item/item.py
@@ -725,7 +725,7 @@
 						_('Cannot change Attributes after stock transaction. Make a new Item and transfer stock to the new Item'))
 
 	def validate_variant_based_on_change(self):
-		if self.variant_of or (self.has_variants and frappe.get_all("Item", {"variant_of": self.name})):
+		if not self.is_new() and (self.variant_of or (self.has_variants and frappe.get_all("Item", {"variant_of": self.name}))):
 			if self.variant_based_on != frappe.db.get_value("Item", self.name, "variant_based_on"):
 				frappe.throw(_("Variant Based On cannot be changed"))