BOM Stock Calculation Report (#14561)

* BOM Stock Calculated

* BOM Stock Calculated

* BOM Stock Calculated

* BOM Stock Calculated

* BOM Stock Calculated

* Update bom_stock_calculated.json

erpnext/manufacturing/report/bom_stock_calculated/bom_stock_calculated.js

@@ -0,0 +1,27 @@
+// Copyright (c) 2016, Epoch Consulting and contributors
+// For license information, please see license.txt
+/* eslint-disable */
+
+frappe.query_reports["BOM Stock Calculated"] = {
+	"filters": [
+		{
+			"fieldname": "bom",
+			"label": __("BOM"),
+			"fieldtype": "Link",
+			"options": "BOM",
+			"reqd": 1
+		},
+        	{
+	            "fieldname": "qty_to_make",
+        	    "label": __("Quantity to Make"),
+        	    "fieldtype": "Int",
+        	    "default": "1"
+	       },
+
+		 {
+			"fieldname": "show_exploded_view",
+			"label": __("Show exploded view"),
+			"fieldtype": "Check"
+		}
+	]
+}

erpnext/manufacturing/report/bom_stock_calculated/bom_stock_calculated.json

@@ -0,0 +1,26 @@
+{
+ "add_total_row": 0, 
+ "creation": "2018-05-17 12:40:31.355049", 
+ "disabled": 0, 
+ "docstatus": 0, 
+ "doctype": "Report", 
+ "idx": 0, 
+ "is_standard": "Yes", 
+ "letter_head": "", 
+ "modified": "2018-06-18 13:33:18.103220", 
+ "modified_by": "Administrator", 
+ "module": "Manufacturing", 
+ "name": "BOM Stock Calculated", 
+ "owner": "Administrator", 
+ "ref_doctype": "BOM", 
+ "report_name": "BOM Stock Calculated", 
+ "report_type": "Script Report", 
+ "roles": [
+  {
+   "role": "Manufacturing Manager"
+  }, 
+  {
+   "role": "Manufacturing User"
+  }
+ ]
+}

erpnext/manufacturing/report/bom_stock_calculated/bom_stock_calculated.py

@@ -0,0 +1,93 @@
+# 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):
+#	if not filters: filters = {}
+	columns = get_columns()
+	summ_data = []
+
+	data = get_bom_stock(filters)
+	qty_to_make = filters.get("qty_to_make")
+
+	for rows in data:
+	        item_map = get_item_details(rows[0])
+		reqd_qty = qty_to_make * rows[3]
+		last_pur_price = frappe.db.get_value("Item", rows[0], "last_purchase_rate")
+		if rows[4] > 0:
+			diff_qty = rows[4] - reqd_qty
+	        	summ_data.append([rows[0], rows[1], item_map[rows[0]]["manufacturer"], item_map[rows[0]]["manufacturer_part_no"], rows[3], rows[4], reqd_qty, diff_qty, last_pur_price])
+		else:
+			diff_qty = 0 - reqd_qty
+			summ_data.append([rows[0], rows[1], item_map[rows[0]]["manufacturer"], item_map[rows[0]]["manufacturer_part_no"], rows[3], "0.000", reqd_qty, diff_qty, last_pur_price])
+
+	return columns, summ_data
+
+def get_columns():
+	"""return columns"""
+	columns = [
+		_("Item") + ":Link/Item:100",
+		_("Description") + "::150",
+		_("Manufacturer") + "::100",
+		_("Manufacturer Part Number") + "::100",
+		_("Qty") + ":Float:50",
+		_("Stock Qty") + ":Float:100",
+		_("Reqd Qty")+ ":Float:100",
+		_("Diff Qty")+ ":Float:100",
+		_("Last Purchase Price")+ ":Float:100",
+
+
+	]
+
+	return columns
+
+def get_bom_stock(filters):
+	conditions = ""
+	bom = filters.get("bom")
+
+	table = "`tabBOM Item`"
+	qty_field = "qty"
+
+	if filters.get("show_exploded_view"):
+		table = "`tabBOM Explosion Item`"
+		qty_field = "stock_qty"
+
+	if filters.get("warehouse"):
+		warehouse_details = frappe.db.get_value("Warehouse", filters.get("warehouse"), ["lft", "rgt"], as_dict=1)
+		if warehouse_details:
+			conditions += " and exists (select name from `tabWarehouse` wh \
+				where wh.lft >= %s and wh.rgt <= %s and ledger.warehouse = wh.name)" % (warehouse_details.lft,
+				warehouse_details.rgt)
+		else:
+			conditions += " and ledger.warehouse = '%s'" % frappe.db.escape(filters.get("warehouse"))
+
+	else:
+		conditions += ""
+
+	return frappe.db.sql("""
+			SELECT
+				bom_item.item_code,
+				bom_item.description,
+				bom_item.{qty_field},
+				sum(ledger.actual_qty) as actual_qty,
+				sum(FLOOR(ledger.actual_qty / bom_item.{qty_field}))as to_build
+			FROM
+				{table} AS bom_item
+				LEFT JOIN `tabBin` AS ledger
+				ON bom_item.item_code = ledger.item_code
+				{conditions}
+				
+			WHERE
+				bom_item.parent = '{bom}' and bom_item.parenttype='BOM'
+
+			GROUP BY bom_item.item_code""".format(qty_field=qty_field, table=table, conditions=conditions, bom=bom))
+
+def get_item_details(item_code):
+        items = frappe.db.sql("""select it.item_group, it.item_name, it.stock_uom, it.name, it.brand, it.description, it.manufacturer_part_no, it.manufacturer from tabItem it where it.item_code = %s""", item_code, as_dict=1)
+
+        return dict((d.name, d) for d in items)
+
+