Merge pull request #34124 from frappe/mergify/bp/version-14-hotfix/pr…

…-34115

feat: provision to convert transaction based reposting to item wareho… (backport #34115)

erpnext/stock/doctype/stock_reposting_settings/stock_reposting_settings.js

@@ -2,7 +2,22 @@
 // For license information, please see license.txt
 
 frappe.ui.form.on('Stock Reposting Settings', {
-	// refresh: function(frm) {
+	refresh: function(frm) {
+		frm.trigger('convert_to_item_based_reposting');
+	},
 
-	// }
+	convert_to_item_based_reposting: function(frm) {
+		frm.add_custom_button(__('Convert to Item Based Reposting'), function() {
+			frm.call({
+				method: 'convert_to_item_wh_reposting',
+				frezz: true,
+				doc: frm.doc,
+				callback: function(r) {
+					if (!r.exc) {
+						frm.reload_doc();
+					}
+				}
+			})
+		})
+	}
 });

erpnext/stock/doctype/stock_reposting_settings/stock_reposting_settings.py

@@ -1,6 +1,8 @@
 # Copyright (c) 2021, Frappe Technologies Pvt. Ltd. and contributors
 # For license information, please see license.txt
 
+import frappe
+from frappe import _
 from frappe.model.document import Document
 from frappe.utils import add_to_date, get_datetime, get_time_str, time_diff_in_hours
 
@@ -24,3 +26,62 @@ def set_minimum_reposting_time_slot(self):
 
 		if diff < 10:
 			self.end_time = get_time_str(add_to_date(self.start_time, hours=10, as_datetime=True))
+
+	@frappe.whitelist()
+	def convert_to_item_wh_reposting(self):
+		"""Convert Transaction reposting to Item Warehouse based reposting if Item Based Reposting has enabled."""
+
+		reposting_data = get_reposting_entries()
+
+		vouchers = [d.voucher_no for d in reposting_data]
+
+		item_warehouses = {}
+
+		for ledger in get_stock_ledgers(vouchers):
+			key = (ledger.item_code, ledger.warehouse)
+			if key not in item_warehouses:
+				item_warehouses[key] = ledger.posting_date
+			elif frappe.utils.getdate(item_warehouses.get(key)) > frappe.utils.getdate(ledger.posting_date):
+				item_warehouses[key] = ledger.posting_date
+
+		for key, posting_date in item_warehouses.items():
+			item_code, warehouse = key
+			create_repost_item_valuation(item_code, warehouse, posting_date)
+
+		for row in reposting_data:
+			frappe.db.set_value("Repost Item Valuation", row.name, "status", "Skipped")
+
+		self.db_set("item_based_reposting", 1)
+		frappe.msgprint(_("Item Warehouse based reposting has been enabled."))
+
+
+def get_reposting_entries():
+	return frappe.get_all(
+		"Repost Item Valuation",
+		fields=["voucher_no", "name"],
+		filters={"status": ("in", ["Queued", "In Progress"]), "docstatus": 1, "based_on": "Transaction"},
+	)
+
+
+def get_stock_ledgers(vouchers):
+	return frappe.get_all(
+		"Stock Ledger Entry",
+		fields=["item_code", "warehouse", "posting_date"],
+		filters={"voucher_no": ("in", vouchers)},
+	)
+
+
+def create_repost_item_valuation(item_code, warehouse, posting_date):
+	frappe.get_doc(
+		{
+			"doctype": "Repost Item Valuation",
+			"company": frappe.get_cached_value("Warehouse", warehouse, "company"),
+			"posting_date": posting_date,
+			"based_on": "Item and Warehouse",
+			"posting_time": "00:00:01",
+			"item_code": item_code,
+			"warehouse": warehouse,
+			"allow_negative_stock": True,
+			"status": "Queued",
+		}
+	).submit()