From: Plamen Dimitrov <plamen.dimitrov@intra2net.com>
Date: Thu, 21 Apr 2022 07:05:35 +0000 (+0300)
Subject: Add a shortcut to obtain the instance of a possibly existing cnfvar
X-Git-Tag: v1.7.1~4^2~6
X-Git-Url: http://developer.intra2net.com/git/?p=pyi2ncommon;a=commitdiff_plain;h=cdfd8f20ed85063390ccc55589250c813c337658

Add a shortcut to obtain the instance of a possibly existing cnfvar

This is added in the cnf list query mixin which is where we have
all shortcut, syntactic sugar, and ease of use methods.
---

diff --git a/src/cnfvar/model.py b/src/cnfvar/model.py
index 827ff99..168f5db 100644
--- a/src/cnfvar/model.py
+++ b/src/cnfvar/model.py
@@ -929,6 +929,10 @@ class CnfListQueryingMixin(BaseCnfList):
         """Shortcut method for getting the first item with a given instance."""
         return self.with_instance(instance).first(default=default)
 
+    def highest_instance(self):
+        """Shortcut method for getting the next instance in a list of items."""
+        return max([c.instance for c in self]) if len(self) > 0 else -1
+
 
 ###############################################################################
 # PUBLIC CLASSES