From 2e52a63b0df0f20ff774131623580377ce57d451 Mon Sep 17 00:00:00 2001
From: Deepesh Garg <deepeshgarg6@gmail.com>
Date: Sun, 4 Jun 2023 19:20:28 +0530
Subject: [PATCH] feat: Accounting Ledger Preview

---
 .../doctype/sales_invoice/sales_invoice.js    |  1 +
 erpnext/controllers/stock_controller.py       | 13 +++++++
 .../public/js/controllers/stock_controller.js | 36 ++++++++++++++++++-
 3 files changed, 49 insertions(+), 1 deletion(-)

diff --git a/erpnext/accounts/doctype/sales_invoice/sales_invoice.js b/erpnext/accounts/doctype/sales_invoice/sales_invoice.js
index 8cb29505eb2..1ef0c51cbac 100644
--- a/erpnext/accounts/doctype/sales_invoice/sales_invoice.js
+++ b/erpnext/accounts/doctype/sales_invoice/sales_invoice.js
@@ -88,6 +88,7 @@ erpnext.accounts.SalesInvoiceController = class SalesInvoiceController extends e
 		}
 
 		this.show_general_ledger();
+		this.show_ledger_preview();
 
 		if(doc.update_stock) this.show_stock_ledger();
 
diff --git a/erpnext/controllers/stock_controller.py b/erpnext/controllers/stock_controller.py
index befde71775a..30dcc7ffa7f 100644
--- a/erpnext/controllers/stock_controller.py
+++ b/erpnext/controllers/stock_controller.py
@@ -15,6 +15,7 @@ from erpnext.accounts.general_ledger import (
 	make_reverse_gl_entries,
 	process_gl_map,
 )
+from erpnext.accounts.report.general_ledger.general_ledger import get_columns
 from erpnext.accounts.utils import get_fiscal_year
 from erpnext.controllers.accounts_controller import AccountsController
 from erpnext.stock import get_warehouse_account_map
@@ -824,6 +825,18 @@ class StockController(AccountsController):
 		gl_entries.append(self.get_gl_dict(gl_entry, item=item))
 
 
+@frappe.whitelist()
+def show_ledger_preview(company, doctype, docname):
+	filters = {"company": company}
+	doc = frappe.get_doc(doctype, docname)
+	columns = get_columns(filters)
+	data = doc.get_gl_entries()
+	return {
+		"columns": columns,
+		"data": data,
+	}
+
+
 def repost_required_for_queue(doc: StockController) -> bool:
 	"""check if stock document contains repeated item-warehouse with queue based valuation.
 
diff --git a/erpnext/public/js/controllers/stock_controller.js b/erpnext/public/js/controllers/stock_controller.js
index d346357a8f8..919ffda52fc 100644
--- a/erpnext/public/js/controllers/stock_controller.js
+++ b/erpnext/public/js/controllers/stock_controller.js
@@ -66,7 +66,7 @@ erpnext.stock.StockController = class StockController extends frappe.ui.form.Con
 	}
 
 	show_general_ledger() {
-		var me = this;
+		let me = this;
 		if(this.frm.doc.docstatus > 0) {
 			cur_frm.add_custom_button(__('Accounting Ledger'), function() {
 				frappe.route_options = {
@@ -81,4 +81,38 @@ erpnext.stock.StockController = class StockController extends frappe.ui.form.Con
 			}, __("View"));
 		}
 	}
+
+	show_ledger_preview() {
+		let me = this
+		if(this.frm.doc.docstatus == 0) {
+			cur_frm.add_custom_button(__('Accounting Ledger Preview'), function() {
+				frappe.call({
+					"method": "erpnext.controllers.stock_controller.show_ledger_preview",
+					"args": {
+						"company": me.frm.doc.company,
+						"doctype": me.frm.doc.doctype,
+						"docname": me.frm.doc.name
+					},
+					"callback": function(response) {
+						me.get_datatable(response);
+					}
+				})
+			}, __("View"));
+		}
+	}
+
+	get_datatable(response) {
+		const datatable_options = {
+			columns: response.columns,
+			data: response.data,
+			dynamicRowHeight: true,
+			checkboxColumn: false,
+			inlineFilters: true,
+		};
+
+		this.datatable = new frappe.DataTable(
+			this.frm.page.main.parent,
+			datatable_options
+		);
+	}
 };