[report] Added asset depreciation ledger report

erpnext/accounts/report/asset_depreciation_ledger/asset_depreciation_ledger.js

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+// Copyright (c) 2016, Frappe Technologies Pvt. Ltd. and contributors
+// For license information, please see license.txt
+
+frappe.query_reports["Asset Depreciation Ledger"] = {
+	"filters": [
+		{
+			"fieldname":"company",
+			"label": __("Company"),
+			"fieldtype": "Link",
+			"options": "Company",
+			"default": frappe.defaults.get_user_default("Company"),
+			"reqd": 1
+		},
+		{
+			"fieldname":"from_date",
+			"label": __("From Date"),
+			"fieldtype": "Date",
+			"default": frappe.datetime.add_months(frappe.datetime.get_today(), -1),
+			"reqd": 1
+		},
+		{
+			"fieldname":"to_date",
+			"label": __("To Date"),
+			"fieldtype": "Date",
+			"default": frappe.datetime.get_today(),
+			"reqd": 1
+		},
+		{
+			"fieldname":"asset",
+			"label": __("Asset"),
+			"fieldtype": "Link",
+			"options": "Asset"
+		},
+		{
+			"fieldname":"asset_category",
+			"label": __("Asset Category"),
+			"fieldtype": "Link",
+			"options": "Asset Category"
+		}
+	]
+}

erpnext/accounts/report/asset_depreciation_ledger/asset_depreciation_ledger.json

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+{
+ "add_total_row": 0, 
+ "apply_user_permissions": 1, 
+ "creation": "2016-04-08 14:49:58.133098", 
+ "disabled": 0, 
+ "docstatus": 0, 
+ "doctype": "Report", 
+ "idx": 0, 
+ "is_standard": "Yes", 
+ "modified": "2016-04-08 14:49:58.133098", 
+ "modified_by": "Administrator", 
+ "module": "Accounts", 
+ "name": "Asset Depreciation Ledger", 
+ "owner": "Administrator", 
+ "ref_doctype": "Asset", 
+ "report_name": "Asset Depreciation Ledger", 
+ "report_type": "Script Report"
+}

erpnext/accounts/report/asset_depreciation_ledger/asset_depreciation_ledger.py

@@ -0,0 +1,118 @@
+# 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 import _
+
+def execute(filters=None):
+	columns, data = get_columns(), get_data(filters)
+	return columns, data
+	
+def get_data(filters):
+	data = frappe.db.sql("""
+		select 
+			a.name as asset, a.asset_category, a.status, 
+			a.depreciation_method, a.purchase_date, a.gross_purchase_amount,
+			ds.schedule_date as depreciation_date, ds.depreciation_amount, 
+			ds.accumulated_depreciation_amount, 
+			(a.gross_purchase_amount - ds.accumulated_depreciation_amount) as amount_after_depreciation,
+			ds.journal_entry as depreciation_entry
+		from
+			`tabAsset` a, `tabDepreciation Schedule` ds
+		where
+			a.name = ds.parent
+			and a.docstatus=1
+			and ifnull(ds.journal_entry, '') != ''
+			and ds.schedule_date between %(from_date)s and %(to_date)s
+			and a.company = %(company)s
+			{conditions}
+		order by
+			a.name asc, ds.schedule_date asc
+	""".format(conditions=get_filter_conditions(filters)), filters, as_dict=1)
+		
+	return data
+	
+def get_filter_conditions(filters):
+	conditions = ""
+	
+	if filters.get("asset"):
+		conditions += " and a.name = %(asset)s"
+	
+	if filters.get("asset_category"):
+		conditions += " and a.asset_category = %(asset_category)s"
+		
+	return conditions
+	
+def get_columns():
+	return [
+		{
+			"label": _("Asset"),
+			"fieldname": "asset",
+			"fieldtype": "Link",
+			"options": "Asset",
+			"width": 120
+		},
+		{
+			"label": _("Depreciation Date"),
+			"fieldname": "depreciation_date",
+			"fieldtype": "Date",
+			"width": 120
+		},
+		{
+			"label": _("Purchase Amount"),
+			"fieldname": "gross_purchase_amount",
+			"fieldtype": "Currency",
+			"width": 120
+		},
+		{
+			"label": _("Depreciation Amount"),
+			"fieldname": "depreciation_amount",
+			"fieldtype": "Currency",
+			"width": 140
+		},
+		{
+			"label": _("Accumulated Depreciation Amount"),
+			"fieldname": "accumulated_depreciation_amount",
+			"fieldtype": "Currency",
+			"width": 210
+		},
+		{
+			"label": _("Amount After Depreciation"),
+			"fieldname": "amount_after_depreciation",
+			"fieldtype": "Currency",
+			"width": 180
+		},
+		{
+			"label": _("Depreciation Entry"),
+			"fieldname": "depreciation_entry",
+			"fieldtype": "Link",
+			"options": "Journal Entry",
+			"width": 140
+		},
+		{
+			"label": _("Asset Category"),
+			"fieldname": "asset_category",
+			"fieldtype": "Link",
+			"options": "Asset Category",
+			"width": 120
+		},
+		{
+			"label": _("Current Status"),
+			"fieldname": "status",
+			"fieldtype": "Data",
+			"width": 120
+		},
+		{
+			"label": _("Depreciation Method"),
+			"fieldname": "depreciation_method",
+			"fieldtype": "Data",
+			"width": 130
+		},
+		{
+			"label": _("Purchase Date"),
+			"fieldname": "purchase_date",
+			"fieldtype": "Date",
+			"width": 120
+		}
+	]