[IMP] contract_show_invoice: ADD total invoiced in show invoices button (#181)

contract_show_invoice/models/account_analytic_account.py

@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*-
+# © 2018 Alberto Martín Cortada - Guadaltech <alberto.martin@guadaltech.es>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import api, fields, models
+
+
+class AccountAnalyticAccount(models.Model):
+    _inherit = 'account.analytic.account'
+
+    @api.multi
+    def _compute_total_invoiced(self):
+        invoice_model = self.env['account.invoice']
+        for analytic in self:
+            fetch_data = invoice_model.read_group(
+                [('invoice_line_ids.account_analytic_id', '=', analytic.id)],
+                ['amount_total'], [],
+            )
+            analytic.total_invoiced = fetch_data[0]['amount_total']
+
+    total_invoiced = fields.Float(string="Total Invoiced",
+                                  compute='_compute_total_invoiced')