Add Customer Credit Balance Report, minor changes

erpnext/selling/report/customer_credit_balance/customer_credit_balance.js

@@ -0,0 +1,21 @@
+// Copyright (c) 2013, Web Notes Technologies Pvt. Ltd. and Contributors and contributors
+// For license information, please see license.txt
+
+frappe.query_reports["Customer Credit Balance"] = {
+	"filters": [
+		{
+			"fieldname":"company",
+			"label": __("Company"),
+			"fieldtype": "Link",
+			"options": "Company",
+			"reqd": 1,
+			"default": frappe.defaults.get_user_default("company")
+		},
+		{
+			"fieldname":"customer",
+			"label": __("Customer"),
+			"fieldtype": "Link",
+			"options": "Customer"
+		}
+	]
+}

erpnext/selling/report/customer_credit_balance/customer_credit_balance.json

@@ -0,0 +1,17 @@
+{
+ "add_total_row": 0, 
+ "apply_user_permissions": 1, 
+ "creation": "2014-10-06 15:19:31.578162", 
+ "disabled": 0, 
+ "docstatus": 0, 
+ "doctype": "Report", 
+ "is_standard": "Yes", 
+ "modified": "2014-10-06 15:19:37.578616", 
+ "modified_by": "Administrator", 
+ "module": "Selling", 
+ "name": "Customer Credit Balance", 
+ "owner": "Administrator", 
+ "ref_doctype": "Customer", 
+ "report_name": "Customer Credit Balance", 
+ "report_type": "Script Report"
+}

erpnext/selling/report/customer_credit_balance/customer_credit_balance.py

@@ -0,0 +1,54 @@
+# Copyright (c) 2013, Web Notes Technologies Pvt. Ltd. and Contributors and contributors
+# For license information, please see license.txt
+
+from __future__ import unicode_literals
+import frappe
+from frappe import _
+from frappe.utils import flt
+from erpnext.selling.doctype.customer.customer import get_customer_outstanding, get_credit_limit
+
+def execute(filters=None):
+	if not filters: filters = {}
+	#Check if customer id is according to naming series or customer name
+	customer_naming_type = frappe.db.get_value("Selling Settings", None, "cust_master_name")
+	columns = get_columns(customer_naming_type)
+
+	data = []
+
+	customer_list = get_details(filters)
+
+	for d in customer_list:
+		row = []
+		outstanding_amt = get_customer_outstanding(d.name, filters.get("company"))
+		credit_limit = get_credit_limit(d.name, filters.get("company"))
+		bal = flt(credit_limit) - flt(outstanding_amt)
+
+		if customer_naming_type == "Naming Series":
+			row = [d.name, d.customer_name, credit_limit, outstanding_amt, bal]
+		else:
+			row = [d.name, credit_limit, outstanding_amt, bal]
+
+		if credit_limit:
+			data.append(row)
+
+	return columns, data
+
+def get_columns(customer_naming_type):
+	columns = [
+		_("Customer") + ":Link/Customer:120", _("Credit Limit") + ":Currency:120",
+		_("Outstanding Amt") + ":Currency:100", _("Credit Balance") + ":Currency:120"
+	]
+
+	if customer_naming_type == "Naming Series":
+		columns.insert(1, _("Customer Name") + ":Data:120")
+
+	return columns
+
+def get_details(filters):
+	conditions = ""
+
+	if filters.get("customer"):
+		conditions += " where name = %(customer)s"
+
+	return frappe.db.sql("""select name, customer_name from `tabCustomer` %s""" 
+		% conditions, filters, as_dict=1)