Finalized batch-wise balance history

stock/report/batch_wise_balance_history/batch_wise_balance_history.js

@@ -0,0 +1,39 @@
+wn.query_reports["Batch-Wise Balance History"] = {
+	"filters": [
+		{
+			"fieldname":"item_code",
+			"label": "Item",
+			"fieldtype": "Link",
+			"options": "Item",
+			"width": "80"
+		},
+		{
+			"fieldname":"warehouse",
+			"label": "Warehouse",
+			"fieldtype": "Link",
+			"options": "Warehouse",
+			"width": "80"
+		},
+		{
+			"fieldname":"batch_no",
+			"label": "Batch",
+			"fieldtype": "Link",
+			"options": "Batch",
+			"width": "80"
+		},
+		{
+			"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": wn.datetime.get_today()
+		}
+	]
+}

stock/report/batch_wise_balance_history/batch_wise_balance_history.py

@@ -0,0 +1,109 @@
+# ERPNext - web based ERP (http://erpnext.com)
+# Copyright (C) 2012 Web Notes Technologies Pvt Ltd
+# 
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from __future__ import unicode_literals
+import webnotes
+from webnotes.utils import flt
+
+def execute(filters=None):
+	if not filters: filters = {}
+	
+	columns = get_columns(filters)
+	item_map = get_item_details(filters)
+	iwb_map = get_item_warehouse_batch_map(filters)
+	
+	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, 
+					qty_dict.opening_qty, qty_dict.in_qty, 
+					qty_dict.out_qty, qty_dict.bal_qty
+				])
+	
+	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"] + ["Opening Qty::90"] + \
+	["In Qty::80"] + ["Out Qty::80"] + ["Balance Qty::90"]
+
+	return columns
+
+def get_conditions(filters):
+	conditions = ""
+	if filters.get("item_code"):
+		conditions += " and item_code='%s'" % filters["item_code"]
+
+	if filters.get("warehouse"):
+		conditions += " and warehouse='%s'" % filters["warehouse"]
+
+	if filters.get("batch_no"):
+		conditions += " and batch_no='%s'" % filters["batch_no"]
+
+	if not filters.get("from_date"):
+		webnotes.msgprint("Please enter From Date", raise_exception=1)
+
+	if filters.get("to_date"):
+		conditions += " and posting_date <= '%s'" % filters["to_date"]
+	else:
+		webnotes.msgprint("Please enter To Date", raise_exception=1)
+		
+	return conditions
+
+#get all details
+def get_stock_ledger_entries(filters):
+	conditions = get_conditions(filters)
+	return webnotes.conn.sql("""select item_code, batch_no, warehouse, 
+		posting_date, actual_qty 
+		from `tabStock Ledger Entry` 
+		where ifnull(is_cancelled, 'No') = 'No' %s order by item_code, warehouse""" %
+		conditions, as_dict=1)
+
+def get_item_warehouse_batch_map(filters):
+	sle = get_stock_ledger_entries(filters)
+	iwb_map = {}
+
+	for d in sle:
+		iwb_map.setdefault(d.item_code, {}).setdefault(d.warehouse, {})\
+			.setdefault(d.batch_no, webnotes._dict({
+				"opening_qty": 0.0, "in_qty": 0.0, "out_qty": 0.0, "bal_qty": 0.0
+			}))
+		qty_dict = iwb_map[d.item_code][d.warehouse][d.batch_no]
+		if d.posting_date < filters["from_date"]:
+			qty_dict.opening_qty += flt(d.actual_qty)
+		elif d.posting_date >= filters["from_date"] and d.posting_date <= filters["to_date"]:
+			if flt(d.actual_qty) > 0:
+				qty_dict.in_qty += flt(d.actual_qty)
+			else:
+				qty_dict.out_qty += abs(flt(d.actual_qty))
+
+		qty_dict.bal_qty += flt(d.actual_qty)
+
+	return iwb_map
+
+def get_item_details(filters):
+	if filters.get("item_code"):
+		conditions = " and name = '%s'" % filters["item_code"]
+	item_map = {}
+	for d in webnotes.conn.sql("select name, item_name, description from tabItem", as_dict=1):
+		item_map.setdefault(d.name, d)
+
+	return item_map

stock/report/batch_wise_balance_history/batch_wise_balance_history.txt

@@ -0,0 +1,21 @@
+[
+ {
+  "creation": "2013-06-04 11:03:47", 
+  "docstatus": 0, 
+  "modified": "2013-06-04 19:32:27", 
+  "modified_by": "Administrator", 
+  "owner": "Administrator"
+ }, 
+ {
+  "doctype": "Report", 
+  "is_standard": "Yes", 
+  "name": "__common__", 
+  "ref_doctype": "Stock Ledger Entry", 
+  "report_name": "Batch-Wise Balance History", 
+  "report_type": "Script Report"
+ }, 
+ {
+  "doctype": "Report", 
+  "name": "Batch-Wise Balance History"
+ }
+]