feat: two new filters for gross profit

erpnext/accounts/report/gross_profit/gross_profit.js

@@ -38,6 +38,18 @@ frappe.query_reports["Gross Profit"] = {
 			"options": "Invoice\nItem Code\nItem Group\nBrand\nWarehouse\nCustomer\nCustomer Group\nTerritory\nSales Person\nProject\nMonthly\nPayment Term",
 			"default": "Invoice"
 		},
+		{
+			"fieldname":"item_group",
+			"label": __("Item Group"),
+			"fieldtype": "Link",
+			"options": "Item Group"
+		},
+		{
+			"fieldname":"sales_person",
+			"label": __("Sales Person"),
+			"fieldtype": "Link",
+			"options": "Sales Person"
+		},
 	],
 	"tree": true,
 	"name_field": "parent",

erpnext/accounts/report/gross_profit/gross_profit.py

@@ -8,6 +8,7 @@ from frappe.utils import cint, flt, formatdate
 
 from erpnext.controllers.queries import get_match_cond
 from erpnext.stock.utils import get_incoming_rate
+from erpnext.stock.report.stock_ledger.stock_ledger import get_item_group_condition
 
 
 def execute(filters=None):
@@ -676,6 +677,17 @@ class GrossProfitGenerator(object):
 		if self.filters.to_date:
 			conditions += " and posting_date <= %(to_date)s"
 
+		if self.filters.item_group:
+			conditions += " and {0}".format(get_item_group_condition(self.filters.item_group))
+
+		if self.filters.sales_person:
+			conditions += """ 
+				and exists(select 1 
+							from `tabSales Team` st 
+							where st.parent = `tabSales Invoice`.name
+							and   st.sales_person = %(sales_person)s)
+			"""
+
 		if self.filters.group_by == "Sales Person":
 			sales_person_cols = ", sales.sales_person, sales.allocated_amount, sales.incentives"
 			sales_team_table = "left join `tabSales Team` sales on sales.parent = `tabSales Invoice`.name"
@@ -723,6 +735,7 @@ class GrossProfitGenerator(object):
 			from
 				`tabSales Invoice` inner join `tabSales Invoice Item`
 					on `tabSales Invoice Item`.parent = `tabSales Invoice`.name
+				join `tabItem` item on item.name = `tabSales Invoice Item`.item_code
 				{sales_team_table}
 				{payment_term_table}
 			where