Report : Batch Item Expiry Status

Select From Date and To Date
Lists Items about to expire or already expired
Expiry Status column shows number of days in which item/batch will expire

erpnext/config/stock.py

@@ -261,6 +261,12 @@ def get_data():
 					"name": "Batch-Wise Balance History",
 					"doctype": "Batch"
 				},
+				{
+					"type": "report",
+					"is_query_report": True,
+					"name": "Batch Item Expiry Status",
+					"doctype": "Stock Ledger Entry"
+				},
 				{
 					"type": "report",
 					"is_query_report": True,

erpnext/stock/report/batch_item_expiry_status/batch_item_expiry_status.js

@@ -0,0 +1,21 @@
+// Copyright (c) 2016, Frappe Technologies Pvt. Ltd. and contributors
+// For license information, please see license.txt
+
+frappe.query_reports["Batch Item Expiry Status"] = {
+	"filters": [
+		{
+			"fieldname":"from_date",
+			"label": __("From Date"),
+			"fieldtype": "Date",
+			"width": "80",
+			"default": sys_defaults.year_start_date,
+		},
+		{
+			"fieldname":"to_date",
+			"label": __("To Date"),
+			"fieldtype": "Date",
+			"width": "80",
+			"default": frappe.datetime.get_today()
+		}
+	]
+}

erpnext/stock/report/batch_item_expiry_status/batch_item_expiry_status.json

@@ -0,0 +1,18 @@
+{
+ "add_total_row": 0, 
+ "apply_user_permissions": 1, 
+ "creation": "2016-12-21 11:29:01.884436", 
+ "disabled": 0, 
+ "docstatus": 0, 
+ "doctype": "Report", 
+ "idx": 0, 
+ "is_standard": "Yes", 
+ "modified": "2016-12-21 11:29:01.884436", 
+ "modified_by": "Administrator", 
+ "module": "Stock", 
+ "name": "Batch Item Expiry Status", 
+ "owner": "Administrator", 
+ "ref_doctype": "Stock Ledger Entry", 
+ "report_name": "Batch Item Expiry Status", 
+ "report_type": "Script Report"
+}

erpnext/stock/report/batch_item_expiry_status/batch_item_expiry_status.py

@@ -0,0 +1,94 @@
+# 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 flt, cint, getdate
+
+def execute(filters=None):
+	if not filters: filters = {}
+
+	float_precision = cint(frappe.db.get_default("float_precision")) or 3
+
+	columns = get_columns(filters)
+	item_map = get_item_details(filters)
+	iwb_map = get_item_warehouse_batch_map(filters, float_precision)
+
+	data = []
+	for item in sorted(iwb_map):
+		for wh in sorted(iwb_map[item]):
+			for batch in sorted(iwb_map[item][wh]):
+				qty_dict = iwb_map[item][wh][batch]
+
+				data.append([item, item_map[item]["item_name"], item_map[item]["description"], wh, batch,
+					frappe.db.get_value('Batch', batch, 'expiry_date'), qty_dict.expiry_status
+				])
+			
+
+	return columns, data
+
+def get_columns(filters):
+	"""return columns based on filters"""
+
+	columns = [_("Item") + ":Link/Item:100"] + [_("Item Name") + "::150"] + [_("Description") + "::150"] + \
+	[_("Warehouse") + ":Link/Warehouse:100"] + [_("Batch") + ":Link/Batch:100"] + [_("Expires On") + ":Date:90"] + \
+	[_("Expiry Status") + ":Data:120"]
+
+	return columns
+
+def get_conditions(filters):
+	conditions = ""
+	if not filters.get("from_date"):
+		frappe.throw(_("'From Date' is required"))
+
+	if filters.get("to_date"):
+		conditions += " and posting_date <= '%s'" % filters["to_date"]
+	else:
+		frappe.throw(_("'To Date' is required"))
+
+	return conditions
+
+def get_stock_ledger_entries(filters):
+	conditions = get_conditions(filters)
+	return frappe.db.sql("""select item_code, batch_no, warehouse,
+		posting_date, actual_qty
+		from `tabStock Ledger Entry`
+		where docstatus < 2 and ifnull(batch_no, '') != '' %s order by item_code, warehouse""" %
+		conditions, as_dict=1)
+
+def get_item_warehouse_batch_map(filters, float_precision):
+	sle = get_stock_ledger_entries(filters)
+	iwb_map = {}
+
+	from_date = getdate(filters["from_date"])
+	to_date = getdate(filters["to_date"])
+
+	for d in sle:
+		iwb_map.setdefault(d.item_code, {}).setdefault(d.warehouse, {})\
+			.setdefault(d.batch_no, frappe._dict({
+				"expires_on": None, "expiry_status": None}))
+
+		qty_dict = iwb_map[d.item_code][d.warehouse][d.batch_no]
+		
+		expiry_date_unicode = frappe.db.get_value('Batch', d.batch_no, 'expiry_date')
+		qty_dict.expires_on = expiry_date_unicode
+
+		exp_date = frappe.utils.data.getdate(expiry_date_unicode)
+		qty_dict.expires_on = exp_date
+
+		expires_in_days = (exp_date - frappe.utils.datetime.date.today()).days
+
+		if expires_in_days > 0:
+			qty_dict.expiry_status = "Expires in {} day(s)".format(expires_in_days)
+		else:
+			qty_dict.expiry_status = 'Expired'
+
+	return iwb_map
+
+def get_item_details(filters):
+	item_map = {}
+	for d in frappe.db.sql("select name, item_name, description from tabItem", as_dict=1):
+		item_map.setdefault(d.name, d)
+
+	return item_map