show accounting data from table

billard/models.py

@@ -46,8 +46,35 @@ class Client(models.Model):
     desk2_prize_nt = models.DecimalField(max_digits=4, decimal_places=2, blank=True, null=True)
     desk2_prize_ht = models.DecimalField(max_digits=4, decimal_places=2, blank=True, null=True)
 
+    def accounting_for(self, desk_no):
+        return Accounting.objects.filter(location=self.location, desk_no=desk_no)[:2][::-1]
+
+    def accounting_1(self):
+        return self.accounting_for(1)
+
+    def accounting_2(self):
+        return self.accounting_for(2)
+
+    def __str__(self):
+        return str(self.uuid)
+
+    def __unicode__(self):
+        return str(self.location.name)
+
+
+class Accounting(models.Model):
+    location = models.ForeignKey(Location)
+    client = models.ForeignKey(Client)
+    desk_no = models.IntegerField()
+    time_from = models.DateTimeField()
+    time_to = models.DateTimeField(blank=True, null=True)
+    prize = models.DecimalField(max_digits=5, decimal_places=2, blank=True, null=True)
+
     def __str__(self):
         return self.location.name
 
     def __unicode__(self):
         return self.location.name
+
+    class Meta:
+        ordering = ['-time_from']