Add UI for admins to view and edit member cards

apiserver/apiserver/api/models.py

@@ -55,7 +55,7 @@ class Card(models.Model):
     user = models.ForeignKey(User, related_name='cards', blank=True, null=True, on_delete=models.SET_NULL)
 
     member_id = models.IntegerField(blank=True, null=True)
-    card_number = models.CharField(max_length=16, blank=True, null=True)
+    card_number = models.CharField(unique=True, max_length=16, blank=True, null=True)
     notes = models.TextField(blank=True, null=True)
     last_seen_at = models.DateField(default=date.today, blank=True, null=True)
     active_status = models.CharField(max_length=32, blank=True, null=True)

apiserver/apiserver/api/serializers.py

@@ -2,6 +2,7 @@ from django.contrib.auth.models import User, Group
 from django.shortcuts import get_object_or_404
 from rest_framework import serializers
 from rest_framework.exceptions import ValidationError
+from rest_framework.validators import UniqueValidator
 from rest_auth.registration.serializers import RegisterSerializer
 from rest_auth.serializers import UserDetailsSerializer
 from uuid import uuid4
@@ -51,15 +52,6 @@ class UserEmailField(serializers.ModelField):
 
 
 
-class AdminCardSerializer(serializers.ModelSerializer):
-    card_number = serializers.CharField()
-    class Meta:
-        model = models.Card
-        fields = '__all__'
-        read_only_fields = ['last_seen_at']
-
-
-
 
 # member viewing other members
 class OtherMemberSerializer(serializers.ModelSerializer):
@@ -177,7 +169,10 @@ class CardSerializer(serializers.ModelSerializer):
 
 # admin viewing member details
 class AdminCardSerializer(CardSerializer):
-    card_number = serializers.CharField()
+    card_number = serializers.CharField(validators=[UniqueValidator(
+        queryset=models.Card.objects.all(),
+        message='Card number already exists.'
+    )])
     member_id = serializers.IntegerField()
     active_status = serializers.ChoiceField(['card_blocked', 'card_inactive', 'card_member_blocked', 'card_active'])
     class Meta: