From 53eba74a77499fcf200532522644156f3ca03176 Mon Sep 17 00:00:00 2001
From: Nikul Chaudhary <nikul.chaudhary.serpentcs@gmail.com>
Date: Tue, 17 Dec 2019 18:13:23 +0530
Subject: [PATCH] [FIX] Fixed Issue #440 (when calling  Scheduled Actions)

---
 contract_sale_invoicing/models/contract.py    | 28 ++++++++++---------
 .../tests/test_contract_sale_invoicing.py     |  7 +++++
 2 files changed, 22 insertions(+), 13 deletions(-)

diff --git a/contract_sale_invoicing/models/contract.py b/contract_sale_invoicing/models/contract.py
index ca5094e7..d2b79465 100644
--- a/contract_sale_invoicing/models/contract.py
+++ b/contract_sale_invoicing/models/contract.py
@@ -16,16 +16,18 @@ class ContractContract(models.Model):
     @api.multi
     def _recurring_create_invoice(self, date_ref=False):
         invoices = super()._recurring_create_invoice(date_ref)
-        if not self.invoicing_sales:
-            return invoices
-        sales = self.env['sale.order'].search([
-            ('analytic_account_id', '=', self.group_id.id),
-            ('partner_invoice_id', 'child_of',
-             self.partner_id.commercial_partner_id.ids),
-            ('invoice_status', '=', 'to invoice'),
-            ('date_order', '<=',
-             '{} 23:59:59'.format(self.recurring_next_date)),
-        ])
-        if sales:
-            invoice_ids = sales.action_invoice_create()
-            invoices |= self.env['account.invoice'].browse(invoice_ids)[:1]
+        for rec in self:
+            if not rec.invoicing_sales:
+                return invoices
+            sales = self.env['sale.order'].search([
+                ('analytic_account_id', '=', rec.group_id.id),
+                ('partner_invoice_id', 'child_of',
+                 rec.partner_id.commercial_partner_id.ids),
+                ('invoice_status', '=', 'to invoice'),
+                ('date_order', '<=',
+                 '{} 23:59:59'.format(rec.recurring_next_date)),
+            ])
+            if sales:
+                invoice_ids = sales.action_invoice_create()
+                invoices |= self.env['account.invoice'].browse(invoice_ids)[:1]
+        return invoices
diff --git a/contract_sale_invoicing/tests/test_contract_sale_invoicing.py b/contract_sale_invoicing/tests/test_contract_sale_invoicing.py
index 0e0d5134..9b41193a 100644
--- a/contract_sale_invoicing/tests/test_contract_sale_invoicing.py
+++ b/contract_sale_invoicing/tests/test_contract_sale_invoicing.py
@@ -45,3 +45,10 @@ class TestContractSaleInvoicing(TestContractBase):
         self.sale_order.action_confirm()
         self.contract.recurring_create_invoice()
         self.assertEqual(self.sale_order.invoice_status, 'to invoice')
+
+    def test_multi_contract_recurring_create_invoice(self):
+        self.contract.copy()
+        self.contract.copy()
+        self.contract.copy()
+        self.contract.copy()
+        self.env['contract.contract'].cron_recurring_create_invoice()