From aa75a6014264853668acd15e996e8fd0af8e7ebe Mon Sep 17 00:00:00 2001
From: Nabin Hait <nabinhait@gmail.com>
Date: Mon, 4 Mar 2024 15:47:56 +0530
Subject: [PATCH] perf: Optimzed code for merging similar gl entries

---
 erpnext/accounts/doctype/gl_entry/gl_entry.py |  4 +-
 erpnext/accounts/general_ledger.py            | 43 +++++++++----------
 2 files changed, 23 insertions(+), 24 deletions(-)

diff --git a/erpnext/accounts/doctype/gl_entry/gl_entry.py b/erpnext/accounts/doctype/gl_entry/gl_entry.py
index 6e07b0ec430..c0f6502910e 100644
--- a/erpnext/accounts/doctype/gl_entry/gl_entry.py
+++ b/erpnext/accounts/doctype/gl_entry/gl_entry.py
@@ -127,7 +127,7 @@ class GLEntry(Document):
 			frappe.throw(msg, title=_("Missing Cost Center"))
 
 	def validate_dimensions_for_pl_and_bs(self):
-		account_type = frappe.db.get_value("Account", self.account, "report_type")
+		account_type = frappe.get_cached_value("Account", self.account, "report_type")
 
 		for dimension in get_checks_for_pl_and_bs_accounts():
 			if (
@@ -252,7 +252,7 @@ class GLEntry(Document):
 
 def validate_balance_type(account, adv_adj=False):
 	if not adv_adj and account:
-		balance_must_be = frappe.db.get_value("Account", account, "balance_must_be")
+		balance_must_be = frappe.get_cached_value("Account", account, "balance_must_be")
 		if balance_must_be:
 			balance = frappe.db.sql(
 				"""select sum(debit) - sum(credit)
diff --git a/erpnext/accounts/general_ledger.py b/erpnext/accounts/general_ledger.py
index 38fcd976ad4..b1223b271f5 100644
--- a/erpnext/accounts/general_ledger.py
+++ b/erpnext/accounts/general_ledger.py
@@ -234,11 +234,13 @@ def get_cost_center_allocation_data(company, posting_date):
 def merge_similar_entries(gl_map, precision=None):
 	merged_gl_map = []
 	accounting_dimensions = get_accounting_dimensions()
+	merge_properties = get_merge_properties(accounting_dimensions)
 
 	for entry in gl_map:
+		entry.merge_key = get_merge_key(entry, merge_properties)
 		# if there is already an entry in this account then just add it
 		# to that entry
-		same_head = check_if_in_list(entry, merged_gl_map, accounting_dimensions)
+		same_head = check_if_in_list(entry, merged_gl_map)
 		if same_head:
 			same_head.debit = flt(same_head.debit) + flt(entry.debit)
 			same_head.debit_in_account_currency = flt(same_head.debit_in_account_currency) + flt(
@@ -272,37 +274,34 @@ def merge_similar_entries(gl_map, precision=None):
 
 	return merged_gl_map
 
-
-def check_if_in_list(gle, gl_map, dimensions=None):
-	account_head_fieldnames = [
-		"voucher_detail_no",
-		"party",
-		"against_voucher",
+def get_merge_properties(dimensions=None):
+	merge_properties = [
+		"account",
 		"cost_center",
-		"against_voucher_type",
+		"party",
 		"party_type",
+		"voucher_detail_no",
+		"against_voucher",
+		"against_voucher_type",
 		"project",
 		"finance_book",
 	]
-
 	if dimensions:
-		account_head_fieldnames = account_head_fieldnames + dimensions
+		merge_properties.extend(dimensions)
+	return merge_properties
 
+def get_merge_key(entry, merge_properties):
+	merge_key = []
+	for fieldname in merge_properties:
+		merge_key.append(entry.get(fieldname, ''))
+	
+	return tuple(merge_key)
+
+def check_if_in_list(gle, gl_map):
 	for e in gl_map:
-		same_head = True
-		if e.account != gle.account:
-			same_head = False
-			continue
-
-		for fieldname in account_head_fieldnames:
-			if cstr(e.get(fieldname)) != cstr(gle.get(fieldname)):
-				same_head = False
-				break
-
-		if same_head:
+		if e.merge_key == gle.merge_key:
 			return e
 
-
 def toggle_debit_credit_if_negative(gl_map):
 	for entry in gl_map:
 		# toggle debit, credit if negative entry