[fix] #11880- Item wise report showing price list and stock available (#11885)

* [fix] #11880

* review comments

* codacy fixes

erpnext/config/stock.py

@@ -56,7 +56,12 @@ def get_data():
 					"name": "Stock Ageing",
 					"doctype": "Item",
 				},
-
+				{
+					"type": "report",
+					"is_query_report": True,
+					"name": "Item Price Stock",
+					"doctype": "Item",
+				}
 			]
 		},
 		{

erpnext/stock/report/item_price_stock/item_price_stock.js

@@ -0,0 +1,14 @@
+// Copyright (c) 2016, Frappe Technologies Pvt. Ltd. and contributors
+// For license information, please see license.txt
+/* eslint-disable */
+
+frappe.query_reports["Item Price Stock"] = {
+	"filters": [
+		{
+			"fieldname":"item_code",
+			"label": __("Item"),
+			"fieldtype": "Link",
+			"options": "Item"
+		}
+	]
+}

erpnext/stock/report/item_price_stock/item_price_stock.json

@@ -0,0 +1,44 @@
+{
+ "add_total_row": 0, 
+ "apply_user_permissions": 1, 
+ "creation": "2017-12-06 17:01:48.727970", 
+ "disabled": 0, 
+ "docstatus": 0, 
+ "doctype": "Report", 
+ "idx": 0, 
+ "is_standard": "Yes", 
+ "modified": "2017-12-06 17:01:48.727970", 
+ "modified_by": "Administrator", 
+ "module": "Stock", 
+ "name": "Item Price Stock", 
+ "owner": "Administrator", 
+ "ref_doctype": "Item", 
+ "report_name": "Item Price Stock", 
+ "report_type": "Script Report", 
+ "roles": [
+  {
+   "role": "Item Manager"
+  }, 
+  {
+   "role": "Stock Manager"
+  }, 
+  {
+   "role": "Stock User"
+  }, 
+  {
+   "role": "Sales User"
+  }, 
+  {
+   "role": "Purchase User"
+  }, 
+  {
+   "role": "Maintenance User"
+  }, 
+  {
+   "role": "Accounts User"
+  }, 
+  {
+   "role": "Manufacturing User"
+  }
+ ]
+}

erpnext/stock/report/item_price_stock/item_price_stock.py

@@ -0,0 +1,95 @@
+# 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 _
+
+def execute(filters=None):
+	columns, data = [], []
+	columns=get_columns()
+	data=get_data(filters,columns)
+	return columns, data
+
+def get_columns():
+	return [
+		_("Item Name") + ":Link/Item:150",
+		_("Warehouse") + ":Link/Warehouse:130",
+		_("Stock Available") + ":Float:120",
+		_("Buying Price List") + ":Data:130",
+		_("Buying Rate") + ":Currency:110",
+		_("Selling Price List") + ":Data:130",
+		_("Selling Rate") + ":Currency:110"
+	]
+
+def get_data(filters, columns):
+	item_price_qty_data = []
+	item_price_qty_data = get_item_price_qty_data(filters)
+	return item_price_qty_data
+
+def get_item_price_qty_data(filters):
+	item_dicts = []
+	conditions = ""
+	if filters.get("item_code"):
+		conditions += "where a.item_code=%(item_code)s"
+
+	item_results = frappe.db.sql("""select a.item_code as name,a.name as price_list_name,
+		b.warehouse as warehouse,b.actual_qty as actual_qty
+		from `tabItem Price` a left join `tabBin` b
+		ON a.item_code = b.item_code
+		{conditions}"""
+		.format(conditions=conditions),filters,as_dict=1)
+
+	price_list_names = ",".join(['"' + item['price_list_name'] + '"' for item in item_results])
+
+	buying_price_map = get_buying_price_map(price_list_names)
+	selling_price_map = get_selling_price_map(price_list_names)
+
+	item_dicts = [{"Item Name": d['name'],"Item Price List": d['price_list_name'],"Warehouse": d['warehouse'],
+				"Stock Available": d['actual_qty']} for d in item_results]
+	for item_dict in item_dicts:
+		price_list = item_dict["Item Price List"]
+		item_dict["Warehouse"] = item_dict["Warehouse"] or ""
+		item_dict["Stock Available"] = item_dict["Stock Available"] or 0
+		if buying_price_map.get(price_list):
+			item_dict["Buying Price List"] = buying_price_map.get(price_list)["Buying Price List"] or ""
+			item_dict["Buying Rate"] = buying_price_map.get(price_list)["Buying Rate"] or 0
+		if selling_price_map.get(price_list):
+			item_dict["Selling Price List"] = selling_price_map.get(price_list)["Selling Price List"] or ""
+			item_dict["Selling Rate"] = selling_price_map.get(price_list)["Selling Rate"] or 0
+	return item_dicts
+
+def get_buying_price_map(price_list_names):
+	buying_price = frappe.db.sql("""
+		select
+			name,price_list,price_list_rate
+		from
+			`tabItem Price`
+		where
+			name in ({price_list_names}) and buying=1
+		""".format(price_list_names=price_list_names),as_dict=1)
+	buying_price_map = {}
+	for d in buying_price:
+		name = d["name"]
+		buying_price_map[name] = {
+			"Buying Price List" :d["price_list"],
+			"Buying Rate" :d["price_list_rate"]
+		}
+	return buying_price_map
+
+def get_selling_price_map(price_list_names):
+	selling_price = frappe.db.sql("""
+		select
+			name,price_list,price_list_rate
+		from
+			`tabItem Price`
+		where
+			name in ({price_list_names}) and selling=1
+		""".format(price_list_names=price_list_names),as_dict=1)
+	selling_price_map = {}
+	for d in selling_price:
+		name = d["name"]
+		selling_price_map[name] = {
+			"Selling Price List" :d["price_list"],
+			"Selling Rate" :d["price_list_rate"]
+		}
+	return selling_price_map