[IMP] contract: Add a generation type on contract

Add a generation type on contract that allows to generate other
document than invoice (e.g. sale order)

contract/models/abstract_contract.py

@@ -48,6 +48,20 @@ class ContractAbstractContract(models.AbstractModel):
         help="Mark this check if you want to control recurrrence at line level instead"
         " of all together for the whole contract.",
     )
+    generation_type = fields.Selection(
+        string="Generation Type",
+        selection=lambda self: self._get_generation_type_selection(),
+        default=lambda self: self._get_default_generation_type(),
+        help="Choose the document that will be automatically generated by cron.",
+    )
+
+    @api.model
+    def _get_generation_type_selection(self):
+        return [("invoice", "Invoice")]
+
+    @api.model
+    def _get_default_generation_type(self):
+        return "invoice"
 
     @api.onchange("contract_type")
     def _onchange_contract_type(self):

contract/models/contract.py

@@ -9,6 +9,7 @@
 
 from odoo import api, fields, models
 from odoo.exceptions import UserError, ValidationError
+from odoo.osv import expression
 from odoo.tests import Form
 from odoo.tools.translate import _
 
@@ -595,10 +596,16 @@ class ContractContract(models.Model):
         return moves
 
     @api.model
-    def cron_recurring_create_invoice(self, date_ref=None):
+    def _cron_recurring_create(self, date_ref=False, create_type="invoice"):
         if not date_ref:
             date_ref = fields.Date.context_today(self)
         domain = self._get_contracts_to_invoice_domain(date_ref)
+        domain = expression.AND(
+            [
+                domain,
+                [("generation_type", "=", create_type)],
+            ]
+        )
         invoice_obj = self.env["account.move"]
 
         contracts = self.search(domain)
@@ -616,6 +623,10 @@ class ContractContract(models.Model):
             )
         return invoice_obj.browse(invoice_ids)
 
+    @api.model
+    def cron_recurring_create_invoice(self, date_ref=None):
+        return self._cron_recurring_create(date_ref)
+
     def action_terminate_contract(self):
         self.ensure_one()
         context = {"default_contract_id": self.id}