Add module sale_force_invoice_status

sale_force_invoice_status/sale.py

@@ -0,0 +1,41 @@
+# -*- coding: utf-8 -*-
+#  Copyright (C) 2018 Akretion (http://www.akretion.com)
+#  @author Alexis de Lattre <alexis.delattre@akretion.com>
+
+from odoo import models, fields, api, _
+from odoo.exceptions import UserError
+
+
+class SaleOrder(models.Model):
+    _inherit = 'sale.order'
+
+    def force_invoice_status_to_invoiced(self):
+        for order in self:
+            if order.state not in ('sale', 'done'):
+                raise UserError(_(
+                    "You are trying to force the sale order %s to invoiced "
+                    "but it is not in 'Sales Order' or 'Locked' state.")
+                    % order.name)
+            if order.invoice_status != 'to invoice':
+                raise UserError(_(
+                    "You are trying to force the sale order %s to invoiced "
+                    "but its invoice status is not 'To Invoice'.")
+                    % order.name)
+            order.order_line.write({'forced_to_invoiced': True})
+            order.message_post(_(
+                "Order <b>forced to Invoiced</b> via the special button"))
+
+
+class SaleOrderLine(models.Model):
+    _inherit = 'sale.order.line'
+
+    forced_to_invoiced = fields.Boolean()
+
+    @api.depends(
+        'state', 'product_uom_qty', 'qty_delivered', 'qty_to_invoice',
+        'qty_invoiced', 'forced_to_invoiced')
+    def _compute_invoice_status(self):
+        super(SaleOrderLine, self)._compute_invoice_status()
+        for line in self:
+            if line.state in ('sale', 'done') and line.forced_to_invoiced:
+                line.invoice_status = 'invoiced'