Merge pull request #26044 from GangaManoj/account-multiselect-gl

feat(General Ledger): Implement multi-account selection
diff --git a/erpnext/accounts/report/general_ledger/general_ledger.js b/erpnext/accounts/report/general_ledger/general_ledger.js
index a8e5530..4a551b8 100644
--- a/erpnext/accounts/report/general_ledger/general_ledger.js
+++ b/erpnext/accounts/report/general_ledger/general_ledger.js
@@ -36,16 +36,12 @@
 		{
 			"fieldname":"account",
 			"label": __("Account"),
-			"fieldtype": "Link",
+			"fieldtype": "MultiSelectList",
 			"options": "Account",
-			"get_query": function() {
-				var company = frappe.query_report.get_filter_value('company');
-				return {
-					"doctype": "Account",
-					"filters": {
-						"company": company,
-					}
-				}
+			get_data: function(txt) {
+				return frappe.db.get_link_options('Account', txt, {
+					company: frappe.query_report.get_filter_value("company")
+				});
 			}
 		},
 		{
diff --git a/erpnext/accounts/report/general_ledger/general_ledger.py b/erpnext/accounts/report/general_ledger/general_ledger.py
index 562df4f..03808c3 100644
--- a/erpnext/accounts/report/general_ledger/general_ledger.py
+++ b/erpnext/accounts/report/general_ledger/general_ledger.py
@@ -49,8 +49,12 @@
 	if not filters.get("from_date") and not filters.get("to_date"):
 		frappe.throw(_("{0} and {1} are mandatory").format(frappe.bold(_("From Date")), frappe.bold(_("To Date"))))
 
-	if filters.get("account") and not account_details.get(filters.account):
-		frappe.throw(_("Account {0} does not exists").format(filters.account))
+	for account in filters.account:
+		if not account_details.get(account):
+			frappe.throw(_("Account {0} does not exists").format(account))
+			
+	if filters.get('account'):
+		filters.account = frappe.parse_json(filters.get('account'))
 
 	if (filters.get("account") and filters.get("group_by") == _('Group by Account')
 		and account_details[filters.account].is_group == 0):
@@ -87,7 +91,19 @@
 		account_currency = None
 
 		if filters.get("account"):
-			account_currency = get_account_currency(filters.account)
+			if len(filters.get("account")) == 1:	
+				account_currency = get_account_currency(filters.account[0])
+			else:
+				currency = get_account_currency(filters.account[0])
+				is_same_account_currency = True
+				for account in filters.get("account"):
+					if get_account_currency(account) != currency:
+						is_same_account_currency = False
+						break
+
+				if is_same_account_currency:
+					account_currency = currency
+
 		elif filters.get("party"):
 			gle_currency = frappe.db.get_value(
 				"GL Entry", {
@@ -205,10 +221,10 @@
 
 def get_conditions(filters):
 	conditions = []
+
 	if filters.get("account") and not filters.get("include_dimensions"):
-		lft, rgt = frappe.db.get_value("Account", filters["account"], ["lft", "rgt"])
-		conditions.append("""account in (select name from tabAccount
-			where lft>=%s and rgt<=%s and docstatus<2)""" % (lft, rgt))
+		filters.account = get_accounts_with_children(filters.account)
+		conditions.append("account in %(account)s")
 
 	if filters.get("cost_center"):
 		filters.cost_center = get_cost_centers_with_children(filters.cost_center)
@@ -266,6 +282,20 @@
 
 	return "and {}".format(" and ".join(conditions)) if conditions else ""
 
+def get_accounts_with_children(accounts):
+	if not isinstance(accounts, list):
+		accounts = [d.strip() for d in accounts.strip().split(',') if d]
+
+	all_accounts = []
+	for d in accounts:
+		if frappe.db.exists("Account", d):
+			lft, rgt = frappe.db.get_value("Account", d, ["lft", "rgt"])
+			children = frappe.get_all("Account", filters={"lft": [">=", lft], "rgt": ["<=", rgt]})
+			all_accounts += [c.name for c in children]
+		else:
+			frappe.throw(_("Account: {0} does not exist").format(d))
+
+	return list(set(all_accounts))
 
 def get_data_with_opening_closing(filters, account_details, accounting_dimensions, gl_entries):
 	data = []