New functionality

Clientes/models.py

@@ -1,4 +1,5 @@
 from django.db import models
+import datetime
 
 
 class saldoModel(models.Model):
@@ -11,10 +12,11 @@ class Timbres(models.Model):
     rfcp = models.CharField(max_length=13)
     fecha = models.CharField(max_length=55)
     folio = models.CharField(max_length=55)
-    serie = models.CharField(max_length=10)
+    serie = models.CharField(max_length=10,blank=True)
     tipo  = models.CharField(max_length=35)
 
     created_at = models.DateTimeField(auto_now_add=True)
+    
     class Meta:
         ordering = ('-created_at',)
 
@@ -28,7 +30,7 @@ class ErroresTimbres(models.Model):
     created_at = models.DateTimeField(auto_now_add=True)
     class Meta:
         ordering = ('uuid',)
-        abstract = True
+        
         
 class Clientes(models.Model):
     RFC = models.CharField(max_length=13, unique=True)
@@ -36,9 +38,13 @@ class Clientes(models.Model):
 
     
     Activo = models.BooleanField(default=True)
-    fecha_baja = models.DateField(blank=True)
-
+    fecha_baja = models.DateField(blank=True,null=True)
+    
+    @property
+    def timbres_mes_count(self):
+        print('date',datetime.date.today())
+        return Timbres.objects.filter(rfcc=self.RFC, created_at__gte=datetime.date.today()).count()
     class Meta:
         ordering = ('RFC',)
-        abstract =True
+