feat: Init Employee Leave Balance Summary report

erpnext/hr/report/employee_leave_balance_summary/employee_leave_balance_summary.js

@@ -0,0 +1,36 @@
+// Copyright (c) 2016, Frappe Technologies Pvt. Ltd. and contributors
+// For license information, please see license.txt
+/* eslint-disable */
+
+frappe.query_reports["Employee Leave Balance Summary"] = {
+	"filters": [
+		{
+			"fieldname":"from_date",
+			"label": __("From Date"),
+			"fieldtype": "Date",
+			"reqd": 1,
+			"default": frappe.defaults.get_default("year_start_date")
+		},
+		{
+			"fieldname":"to_date",
+			"label": __("To Date"),
+			"fieldtype": "Date",
+			"reqd": 1,
+			"default": frappe.defaults.get_default("year_end_date")
+		},
+		{
+			"fieldname":"company",
+			"label": __("Company"),
+			"fieldtype": "Link",
+			"options": "Company",
+			"reqd": 1,
+			"default": frappe.defaults.get_user_default("Company")
+		},
+		{
+			"fieldname":"employee",
+			"label": __("Employee"),
+			"fieldtype": "Link",
+			"options": "Employee",
+		}
+	]
+};

erpnext/hr/report/employee_leave_balance_summary/employee_leave_balance_summary.json

@@ -0,0 +1,34 @@
+{
+ "add_total_row": 0,
+ "creation": "2019-09-05 11:18:06.209397",
+ "disable_prepared_report": 0,
+ "disabled": 0,
+ "docstatus": 0,
+ "doctype": "Report",
+ "idx": 0,
+ "is_standard": "Yes",
+ "letter_head": "sapcon-old",
+ "modified": "2019-09-05 11:18:06.209397",
+ "modified_by": "Administrator",
+ "module": "HR",
+ "name": "Employee Leave Balance Summary",
+ "owner": "Administrator",
+ "prepared_report": 0,
+ "ref_doctype": "Employee",
+ "report_name": "Employee Leave Balance Summary",
+ "report_type": "Script Report",
+ "roles": [
+  {
+   "role": "Employee"
+  },
+  {
+   "role": "HR Manager"
+  },
+  {
+   "role": "HR User"
+  },
+  {
+   "role": "Leave Approver"
+  }
+ ]
+}

erpnext/hr/report/employee_leave_balance_summary/employee_leave_balance_summary.py

@@ -0,0 +1,63 @@
+# Copyright (c) 2013, Frappe Technologies Pvt. Ltd. and contributors
+# For license information, please see license.txt
+
+from __future__ import unicode_literals
+import frappe
+from frappe.utils import flt
+from frappe import _
+from erpnext.hr.doctype.leave_application.leave_application \
+	import get_leave_balance_on, get_leaves_for_period
+
+from erpnext.hr.report.employee_leave_balance.employee_leave_balance \
+	import get_total_allocated_leaves
+
+def execute(filters=None):
+	columns = get_columns()
+	data = get_data(filters)
+
+	return columns, data
+
+def get_columns():
+	columns = []
+	columns.append(_('Leave Type') )
+	columns.append(_('Employee'))
+	columns.append(_('Employee Name'))
+	columns.append(_('Opening Balance') + ':Float:160')
+	columns.append(_('Leaves Taken') + ':Float:160')
+	columns.append(_('Closing Balance') + ':Float:160')
+
+	return columns
+
+def get_data(filters):
+	leave_types = frappe.db.sql_list("SELECT `name` FROM `tabLeave Type` ORDER BY `name` ASC")
+
+	if filters.to_date <= filters.from_date:
+		frappe.throw(_('From date can not be greater than than To date'))
+
+	conditions = {
+		'status': 'Active',
+	}
+
+	if filters.get('employee'):
+		conditions['name'] = filters.get('employee')
+
+	active_employees = frappe.get_all('Employee',
+		filters=conditions,
+		fields=['name', 'employee_name', 'department', 'user_id'])
+
+	data = []
+
+	for leave_type in leave_types:
+		for employee in active_employees:
+			row = [leave_type, employee.name, employee.employee_name]
+
+			leaves_taken = get_leaves_for_period(employee.name, leave_type,
+				filters.from_date, filters.to_date) * -1
+
+			opening = get_total_allocated_leaves(employee.name, leave_type, filters.from_date, filters.to_date)
+			closing = flt(opening) - flt(leaves_taken)
+
+			row += [opening, leaves_taken, closing]
+			data.append(row)
+
+	return data