feat(customer): Add report to show item prices per Customer

erpnext/selling/report/customer_wise_item_price/customer_wise_item_price.js

@@ -0,0 +1,27 @@
+// Copyright (c) 2016, Frappe Technologies Pvt. Ltd. and contributors
+// For license information, please see license.txt
+/* eslint-disable */
+
+frappe.query_reports["Customer-wise Item Price"] = {
+	"filters": [
+		{
+			"label": __("Customer"),
+			"fieldname": "customer",
+			"fieldtype": "Link",
+			"options": "Customer",
+			"reqd": 1
+		},
+		{
+			"label": __("Item"),
+			"fieldname": "item",
+			"fieldtype": "Link",
+			"options": "Item",
+			"get_query": () => {
+				return {
+					query: "erpnext.controllers.queries.item_query",
+					filters: { 'is_sales_item': 1 }
+				}
+			}
+		}
+	]
+}

erpnext/selling/report/customer_wise_item_price/customer_wise_item_price.json

@@ -0,0 +1,43 @@
+{
+ "add_total_row": 0, 
+ "creation": "2019-06-12 03:25:36.263179", 
+ "disable_prepared_report": 0, 
+ "disabled": 0, 
+ "docstatus": 0, 
+ "doctype": "Report", 
+ "idx": 0, 
+ "is_standard": "Yes", 
+ "letter_head": "Delta9", 
+ "modified": "2019-06-12 03:25:36.263179", 
+ "modified_by": "Administrator", 
+ "module": "Selling", 
+ "name": "Customer-wise Item Price", 
+ "owner": "Administrator", 
+ "prepared_report": 0, 
+ "ref_doctype": "Customer", 
+ "report_name": "Customer-wise Item Price", 
+ "report_type": "Script Report", 
+ "roles": [
+  {
+   "role": "Sales User"
+  }, 
+  {
+   "role": "Stock Manager"
+  }, 
+  {
+   "role": "Accounts User"
+  }, 
+  {
+   "role": "Accounts Manager"
+  }, 
+  {
+   "role": "Sales Manager"
+  }, 
+  {
+   "role": "Sales Master Manager"
+  }, 
+  {
+   "role": "Stock User"
+  }
+ ]
+}

erpnext/selling/report/customer_wise_item_price/customer_wise_item_price.py

@@ -0,0 +1,101 @@
+# Copyright (c) 2013, Frappe Technologies Pvt. Ltd. and contributors
+# For license information, please see license.txt
+
+from __future__ import unicode_literals
+
+import frappe
+from erpnext import get_default_company
+from erpnext.accounts.party import get_party_details
+from erpnext.stock.get_item_details import get_price_list_rate_for
+from frappe import _
+
+
+def execute(filters=None):
+	if not filters:
+		filters = {}
+
+	if not filters.get("customer"):
+		frappe.throw(_("Please select a Customer"))
+
+	columns = get_columns(filters)
+	data = get_data(filters)
+
+	return columns, data
+
+
+def get_columns(filters=None):
+	return [
+		{
+			"label": _("Item Code"),
+			"fieldname": "item_code",
+			"fieldtype": "Link",
+			"options": "Item",
+			"width": 150
+		},
+		{
+			"label": _("Item Name"),
+			"fieldname": "item_name",
+			"fieldtype": "Data",
+			"width": 200
+		},
+		{
+			"label": _("Selling Rate"),
+			"fieldname": "selling_rate",
+			"fieldtype": "Currency"
+		},
+		{
+			"label": _("Available Stock"),
+			"fieldname": "available_stock",
+			"fieldtype": "Float",
+			"width": 150
+		},
+		{
+			"label": _("Price List"),
+			"fieldname": "price_list",
+			"fieldtype": "Link",
+			"options": "Price List",
+			"width": 120
+		}
+	]
+
+
+def get_data(filters=None):
+	data = []
+	customer_details = get_customer_details(filters)
+	items = get_selling_items(filters)
+
+	for item in items:
+		price_list_rate = get_price_list_rate_for(customer_details, item.item_code) or 0.0
+		available_stock = frappe.db.sql("SELECT sum(actual_qty) FROM `tabBin` WHERE item_code = %s", item.item_code)
+		available_stock = available_stock[0][0] if available_stock else None
+
+		data.append({
+			"item_code": item.item_code,
+			"item_name": item.item_name,
+			"selling_rate": price_list_rate,
+			"price_list": customer_details.get("price_list"),
+			"available_stock": available_stock,
+		})
+
+	return data
+
+
+def get_customer_details(filters):
+	customer_details = get_party_details(party=filters.get("customer"), party_type="Customer")
+	customer_details.update({
+		"company": get_default_company(),
+		"price_list": customer_details.get("selling_price_list")
+	})
+
+	return customer_details
+
+
+def get_selling_items(filters):
+	if filters.get("item"):
+		item_filters = {"item_code": filters.get("item"), "is_sales_item": 1, "disabled": 0}
+	else:
+		item_filters = {"is_sales_item": 1, "disabled": 0}
+
+	items = frappe.get_all("Item", filters=item_filters, fields=["item_code", "item_name"], order_by="item_name")
+
+	return items