Fix transaction issue

server/admin.py

@@ -6,6 +6,7 @@
 from django.http import HttpRequest, HttpResponse
 
 from server.core.models import (
+    Accreditation,
     Guardianship,
     Player,
     Team,
@@ -301,3 +302,18 @@ def get_name(self, obj: Guardianship) -> str:
     @admin.display(description="Player", ordering="player__user__first_name")
     def get_email(self, obj: Guardianship) -> str:
         return obj.player.user.get_full_name()
+
+
+@admin.register(Accreditation)
+class AccreditationAdmin(admin.ModelAdmin[Accreditation]):
+    search_fields = [
+        "player__user__first_name",
+        "player__user__last_name",
+        "player__user__username",
+    ]
+    list_display = ["get_email", "is_valid", "level"]
+    list_filter = ["is_valid", "level"]
+
+    @admin.display(description="Player", ordering="player__user__first_name")
+    def get_email(self, obj: Guardianship) -> str:
+        return obj.player.user.get_full_name()

server/transaction/utils.py

@@ -2,6 +2,7 @@
 from typing import Any
 
 from django.conf import settings
+from django.db import IntegrityError
 from django.db.models import Model, Q, QuerySet
 
 from server.constants import EVENT_MEMBERSHIP_AMOUNT
@@ -334,13 +335,16 @@ def update_transaction_player_registrations(
     transaction: RazorpayTransaction,
 ) -> None:
     for player in transaction.players.all():
-        registration = Registration(
-            event=transaction.event,
-            team=transaction.team,
-            player=player,
-        )
+        try:
+            registration = Registration(
+                event=transaction.event,
+                team=transaction.team,
+                player=player,
+            )
 
-        registration.save()
+            registration.save()
+        except IntegrityError:
+            pass
 
 
 def list_transactions_by_type(