[FIX] handling code field + partner_id

agreement_legal/models/agreement.py

@@ -104,6 +104,10 @@ class Agreement(models.Model):
         track_visibility="onchange",
         help="ID used for internal contract tracking.",
     )
+    code = fields.Char(
+        required=True,
+        default=lambda self: _("New"),
+        copy=False)
     increase_type_id = fields.Many2one(
         "agreement.increasetype",
         string="Increase Type",
@@ -136,6 +140,7 @@ class Agreement(models.Model):
     partner_id = fields.Many2one(
         "res.partner",
         string="Partner",
+        required=False,
         copy=True,
         help="The customer or vendor this agreement is related to.",
     )
@@ -367,11 +372,13 @@ class Agreement(models.Model):
                 "name": "{} - OLD VERSION".format(rec.name),
                 "active": False,
                 "parent_agreement_id": rec.id,
+                "code": "{} - OLD VERSION".format(rec.code),
             }
             # Make a current copy and mark it as old
             rec.copy(default=default_vals)
             # Increment the Version
             rec.version = rec.version + 1
+            rec.code = rec.code + "v" + str(rec.version)
         # Reset revision to 0 since it's a new version
         vals["revision"] = 0
         return super(Agreement, self).write(vals)
@@ -379,6 +386,7 @@ class Agreement(models.Model):
     def create_new_agreement(self):
         default_vals = {
             "name": "NEW",
+            "code": "NEW",
             "active": True,
             "version": 1,
             "revision": 0,
@@ -399,6 +407,8 @@ class Agreement(models.Model):
             vals["reference"] = self.env["ir.sequence"].next_by_code(
                 "agreement"
             ) or _("New")
+        if vals.get("code", _("New")) == _("New"):
+            vals["code"] = vals["reference"]
         return super(Agreement, self).create(vals)
 
     # Increments the revision on each save action