Merge pull request #17331 from deepeshgarg007/inactive_items

feat: Inactive items report
diff --git a/erpnext/stock/report/inactive_items/__init__.py b/erpnext/stock/report/inactive_items/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/erpnext/stock/report/inactive_items/__init__.py
diff --git a/erpnext/stock/report/inactive_items/inactive_items.js b/erpnext/stock/report/inactive_items/inactive_items.js
new file mode 100644
index 0000000..39dfd5c
--- /dev/null
+++ b/erpnext/stock/report/inactive_items/inactive_items.js
@@ -0,0 +1,34 @@
+// Copyright (c) 2016, Frappe Technologies Pvt. Ltd. and contributors
+// For license information, please see license.txt
+/* eslint-disable */
+
+frappe.query_reports["Inactive Items"] = {
+	"filters": [
+		{
+			fieldname: "item",
+			label: __("Item"),
+			fieldtype: "Link",
+			options: "Item"
+		},
+		{
+			fieldname: "item_group",
+			label: __("Item Group"),
+			fieldtype: "Link",
+			options: "Item Group"
+		},
+		{
+			fieldname: "based_on",
+			label: __("Based On"),
+			fieldtype: "Select",
+			options: "Sales Order\nSales Invoice",
+			default: "Sales Order"
+		},
+		{
+			fieldname: "days",
+			label: __("Days Since Last order"),
+			fieldtype: "Select",
+			options: [30, 60, 90],
+			default: 30
+		},
+	]
+}
diff --git a/erpnext/stock/report/inactive_items/inactive_items.json b/erpnext/stock/report/inactive_items/inactive_items.json
new file mode 100644
index 0000000..b9eb05e
--- /dev/null
+++ b/erpnext/stock/report/inactive_items/inactive_items.json
@@ -0,0 +1,31 @@
+{
+ "add_total_row": 0, 
+ "creation": "2019-04-16 16:05:00.647308", 
+ "disable_prepared_report": 0, 
+ "disabled": 0, 
+ "docstatus": 0, 
+ "doctype": "Report", 
+ "idx": 0, 
+ "is_standard": "Yes", 
+ "letter_head": "Test Letter Head 1", 
+ "modified": "2019-04-16 16:06:33.630043", 
+ "modified_by": "Administrator", 
+ "module": "Stock", 
+ "name": "Inactive Items", 
+ "owner": "Administrator", 
+ "prepared_report": 0, 
+ "ref_doctype": "Sales Invoice", 
+ "report_name": "Inactive Items", 
+ "report_type": "Script Report", 
+ "roles": [
+  {
+   "role": "Accounts User"
+  }, 
+  {
+   "role": "Accounts Manager"
+  }, 
+  {
+   "role": "Auditor"
+  }
+ ]
+}
\ No newline at end of file
diff --git a/erpnext/stock/report/inactive_items/inactive_items.py b/erpnext/stock/report/inactive_items/inactive_items.py
new file mode 100644
index 0000000..8d87912
--- /dev/null
+++ b/erpnext/stock/report/inactive_items/inactive_items.py
@@ -0,0 +1,148 @@
+# 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.utils import getdate, add_days, today, cint
+from frappe import _
+
+def execute(filters=None):
+
+	columns = get_columns()
+	data = get_data(filters)
+	return columns, data
+
+def get_columns():
+
+	columns = [
+		{
+			"fieldname": "territory",
+			"fieldtype": "Link",
+			"label": _("Territory"),
+			"options": "Territory",
+			"width": 100
+		},
+		{
+			"fieldname": "item_group",
+			"fieldtype": "Link",
+			"label": _("Item Group"),
+			"options": "Item Group",
+			"width": 150
+		},
+		{
+			"fieldname": "item_name",
+			"fieldtype": "Link",
+			"options": "Item",
+			"label": "Item",
+			"width": 150
+		},
+		{
+			"fieldname": "item_name",
+			"fieldtype": "Data",
+			"label": _("Item Name"),
+			"width": 150
+		},
+
+		{
+			"fieldname": "customer",
+			"fieldtype": "Link",
+			"label": _("Customer"),
+			"options": "Customer",
+			"width": 100
+		},
+		{
+			"fieldname": "last_order_date",
+			"fieldtype": "Date",
+			"label": _("Last Order Date"),
+			"width": 100
+		},
+		{
+			"fieldname": "qty",
+			"fieldtype": "Float",
+			"label": _("Quantity"),
+			"width": 100
+		},
+		{
+			"fieldname": "days_since_last_order",
+			"fieldtype": "Int",
+			"label": _("Days Since Last Order"),
+			"width": 100
+		},
+	]
+
+	return columns
+
+
+def get_data(filters):
+
+	data = []
+	items = get_items(filters)
+	sales_invoice_data = get_sales_details(filters)
+
+	for item in items:
+		if sales_invoice_data.get(item.name):
+			item_obj = sales_invoice_data[item.name]
+			if item_obj.days_since_last_order > cint(filters['days']):
+				row = {
+					"territory": item_obj.territory,
+					"item_group": item_obj.item_group,
+					"item": item_obj.name,
+					"item_name": item_obj.item_name,
+					"customer": item_obj.customer,
+					"last_order_date": item_obj.last_order_date,
+					"qty": item_obj.qty,
+					"days_since_last_order": item_obj.days_since_last_order
+				}
+				data.append(row)
+		else:
+			row = {
+				"item_group": item.item_group,
+				"item": item.name,
+				"item_name": item.item_name
+			}
+			data.append(row)
+
+	return data
+
+
+def get_sales_details(filters):
+
+	data = []
+	item_details_map = {}
+
+	date_field = "s.transaction_date" if filters["based_on"] == "Sales Order" else "s.posting_date"
+
+	sales_data = frappe.db.sql("""
+		select s.territory, s.customer, si.item_group, si.item_name, si.qty, {date_field} as last_order_date,
+		DATEDIFF(CURDATE(), {date_field}) as days_since_last_order
+		from `tab{doctype}` s, `tab{doctype} Item` si
+		where s.name = si.parent and s.docstatus = 1
+		group by si.name order by days_since_last_order """ #nosec
+		.format(date_field = date_field, doctype = filters['based_on']), as_dict=1)
+
+	for d in sales_data:
+		item_details_map.setdefault(d.item_name, d)
+
+	return item_details_map
+
+def get_items(filters):
+
+	filters_dict = {
+		"disabled": 0,
+		"is_stock_item": 1
+	}
+
+	if filters.get("item_group"):
+		filters_dict.update({
+			"item_group": filters["item_group"]
+		})
+
+	if filters.get("item"):
+		filters_dict.update({
+			"name": filters["item"]
+		})
+
+	items = frappe.get_all("Item", fields=["name", "item_group", "item_name"], filters=filters_dict, order_by="name")
+
+	return items
+