From 5d726ef0377dc1fadc9857cb4b39828dc731a709 Mon Sep 17 00:00:00 2001
From: Gursheen Anand <gursheen@frappe.io>
Date: Tue, 27 Jun 2023 16:49:28 +0530
Subject: [PATCH] feat: add voucher-wise balance report logic

---
 .../report/voucher_wise_balance/__init__.py   |  0
 .../voucher_wise_balance.js                   | 28 ++++++++
 .../voucher_wise_balance.json                 | 33 ++++++++++
 .../voucher_wise_balance.py                   | 66 +++++++++++++++++++
 4 files changed, 127 insertions(+)
 create mode 100644 erpnext/accounts/report/voucher_wise_balance/__init__.py
 create mode 100644 erpnext/accounts/report/voucher_wise_balance/voucher_wise_balance.js
 create mode 100644 erpnext/accounts/report/voucher_wise_balance/voucher_wise_balance.json
 create mode 100644 erpnext/accounts/report/voucher_wise_balance/voucher_wise_balance.py

diff --git a/erpnext/accounts/report/voucher_wise_balance/__init__.py b/erpnext/accounts/report/voucher_wise_balance/__init__.py
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/erpnext/accounts/report/voucher_wise_balance/voucher_wise_balance.js b/erpnext/accounts/report/voucher_wise_balance/voucher_wise_balance.js
new file mode 100644
index 0000000000..0c148f85fb
--- /dev/null
+++ b/erpnext/accounts/report/voucher_wise_balance/voucher_wise_balance.js
@@ -0,0 +1,28 @@
+// Copyright (c) 2023, Frappe Technologies Pvt. Ltd. and contributors
+// For license information, please see license.txt
+/* eslint-disable */
+
+frappe.query_reports["Voucher-wise Balance"] = {
+	"filters": [
+        {
+            "fieldname": "company",
+            "label": __("Company"),
+            "fieldtype": "Link",
+            "options": "Company"
+        },
+        {
+            "fieldname":"from_date",
+            "label": __("From Date"),
+            "fieldtype": "Date",
+            "default": frappe.datetime.add_months(frappe.datetime.get_today(), -1),
+            "width": "60px"
+        },
+        {
+            "fieldname":"to_date",
+            "label": __("To Date"),
+            "fieldtype": "Date",
+            "default": frappe.datetime.get_today(),
+            "width": "60px"
+        },
+    ]
+};
diff --git a/erpnext/accounts/report/voucher_wise_balance/voucher_wise_balance.json b/erpnext/accounts/report/voucher_wise_balance/voucher_wise_balance.json
new file mode 100644
index 0000000000..434e5a3b25
--- /dev/null
+++ b/erpnext/accounts/report/voucher_wise_balance/voucher_wise_balance.json
@@ -0,0 +1,33 @@
+{
+ "add_total_row": 0,
+ "columns": [],
+ "creation": "2023-06-27 16:40:15.109554",
+ "disabled": 0,
+ "docstatus": 0,
+ "doctype": "Report",
+ "filters": [],
+ "idx": 0,
+ "is_standard": "Yes",
+ "json": "{}",
+ "letter_head": "LetterHead",
+ "modified": "2023-06-27 16:40:32.493725",
+ "modified_by": "Administrator",
+ "module": "Accounts",
+ "name": "Voucher-wise Balance",
+ "owner": "Administrator",
+ "prepared_report": 0,
+ "ref_doctype": "GL Entry",
+ "report_name": "Voucher-wise Balance",
+ "report_type": "Script Report",
+ "roles": [
+  {
+   "role": "Accounts User"
+  },
+  {
+   "role": "Accounts Manager"
+  },
+  {
+   "role": "Auditor"
+  }
+ ]
+}
\ No newline at end of file
diff --git a/erpnext/accounts/report/voucher_wise_balance/voucher_wise_balance.py b/erpnext/accounts/report/voucher_wise_balance/voucher_wise_balance.py
new file mode 100644
index 0000000000..cbe2549585
--- /dev/null
+++ b/erpnext/accounts/report/voucher_wise_balance/voucher_wise_balance.py
@@ -0,0 +1,66 @@
+# Copyright (c) 2023, Frappe Technologies Pvt. Ltd. and contributors
+# For license information, please see license.txt
+
+import frappe
+from frappe import _
+from frappe.query_builder.functions import Sum
+
+
+def execute(filters=None):
+	columns = get_columns()
+	data = get_data(filters)
+	return columns, data
+
+
+def get_columns():
+	return [
+		{"label": _("Voucher Type"), "fieldname": "voucher_type", "width": 300},
+		{
+			"label": _("Voucher No"),
+			"fieldname": "voucher_no",
+			"fieldtype": "Dynamic Link",
+			"options": "voucher_type",
+			"width": 300,
+		},
+		{
+			"fieldname": "debit",
+			"label": _("Debit"),
+			"fieldtype": "Currency",
+			"options": "currency",
+			"width": 300,
+		},
+		{
+			"fieldname": "credit",
+			"label": _("Credit"),
+			"fieldtype": "Currency",
+			"options": "currency",
+			"width": 300,
+		},
+	]
+
+
+def get_data(filters):
+	gle = frappe.qb.DocType("GL Entry")
+	query = (
+		frappe.qb.from_(gle)
+		.select(
+			gle.voucher_type, gle.voucher_no, Sum(gle.debit).as_("debit"), Sum(gle.credit).as_("credit")
+		)
+		.groupby(gle.voucher_no)
+	)
+	query = apply_filters(query, filters, gle)
+	gl_entries = query.run(as_dict=True, debug=True)
+	unmatched = [entry for entry in gl_entries if entry.debit != entry.credit]
+	return unmatched
+
+
+def apply_filters(query, filters, gle):
+	if filters.get("company"):
+		query = query.where(gle.company == filters.company)
+	if filters.get("voucher_type"):
+		query = query.where(gle.voucher_type == filters.voucher_type)
+	if filters.get("from_date"):
+		query = query.where(gle.posting_date >= filters.from_date)
+	if filters.get("to_date"):
+		query = query.where(gle.posting_date <= filters.to_date)
+	return query