feat: added one more achieve

services/backend/apps/competition/signals.py

@@ -0,0 +1,17 @@
+from django.db.models.signals import post_save
+from django.dispatch import receiver
+
+from apps.achievement.models import Achievement, UserAchievement
+from apps.competition.models import State
+from apps.user.models import User
+
+
+@receiver(post_save, sender=State)
+def assign_start_competition_achievement(sender, instance, created, **kwargs):
+    if created:
+        if State.objects.filter(user=instance.user, state=State.StateChoices.STARTED.value).count() == 1 \
+                and not State.objects.filter(user=instance.user, state=State.StateChoices.FINISHED.value).exists():
+            start_competition_achievement = Achievement.objects.get(slug="start_competition")
+            UserAchievement.objects.create(
+                user=instance.user, achievement=start_competition_achievement
+            )