table

Main/models/solution.py

@@ -8,7 +8,7 @@ from django.db.models import JSONField
 from django.db import models
 from django.utils import timezone
 
-from Main.models import Set
+from Main.models import Set, SetTask
 from Main.models.solution_file import SolutionFile
 from Main.models.task import Task
 from Sprint.settings import CONSTS
@@ -32,6 +32,10 @@ class Solution(models.Model):
             models.Index(fields=['set', '-time_sent']),
         ]
 
+    @cached_property
+    def settask(self):
+        return SetTask.objects.filter(set=self.set, task=self.task).first()
+
     @property
     def percentage_done(self):
         if self.test is None:

Main/models/userinfo.py

@@ -29,6 +29,9 @@ class UserInfo(models.Model):
     verified = models.BooleanField(default=False)
     teacher = models.BooleanField(default=False)
 
+    def __str__(self):
+        return self.surname + ' ' + self.name
+
     @property
     def tasks_solved(self):
         fltr = Task.objects.filter(solution__result=CONSTS["ok_status"], solution__user=self.user).distinct()