add from v002

001.BACKEND/users/admin.py

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+from django.contrib import admin
+from django.contrib.auth.admin import UserAdmin
+from .models import CustomUser
+
+class CustomUserAdmin(UserAdmin):
+    model = CustomUser
+    # Definiramo koja polja se vide u admin listi i formama
+    list_display = ['email', 'username', 'first_name', 'last_name', 'is_staff', 'is_serviser']
+    fieldsets = UserAdmin.fieldsets + (
+        ('Dodatni podaci', {'fields': ('telefon', 'oib', 'is_serviser')}),
+    )
+
+admin.site.register(CustomUser, CustomUserAdmin)

001.BACKEND/users/apps.py

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+from django.apps import AppConfig
+
+
+class UsersConfig(AppConfig):
+    name = 'users'

001.BACKEND/users/models.py

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+from django.contrib.auth.models import AbstractUser
+from django.db import models
+
+class CustomUser(AbstractUser):
+    # Email koristimo za login, pa mora biti jedinstven
+    email = models.EmailField(unique=True)
+    
+    # Dodatna polja za tvoju tvrtku
+    telefon = models.CharField(max_length=20, blank=True)
+    oib = models.CharField(max_length=11, blank=True, null=True)
+    is_serviser = models.BooleanField(default=False) # Razlikovanje uloga
+
+    # Govorimo Djangu da koristi email umjesto username-a
+    USERNAME_FIELD = 'email'
+    REQUIRED_FIELDS = ['username', 'first_name', 'last_name']
+
+    def __str__(self):
+        return f"{self.first_name} {self.last_name} ({self.email})"

001.BACKEND/users/serializers.py

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+from rest_framework import serializers
+from .models import CustomUser
+
+class UserMeSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = CustomUser
+        fields = ['id', 'email', 'first_name', 'last_name', 'is_serviser']

001.BACKEND/users/tests.py

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+from django.test import TestCase
+
+# Create your tests here.

001.BACKEND/users/urls.py

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+from django.urls import path, include
+from rest_framework.routers import DefaultRouter
+from .views import UserViewSet
+
+router = DefaultRouter()
+router.register(r'', UserViewSet, basename='user')
+
+urlpatterns = [
+    path('', include(router.urls)),
+]

001.BACKEND/users/views.py

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+from rest_framework import viewsets, permissions, status
+from rest_framework.decorators import action
+from rest_framework.response import Response
+from django.conf import settings
+from .models import CustomUser
+from rest_framework import serializers
+from .models import CustomUser
+
+class UserMeSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = CustomUser
+        fields = ['id', 'email', 'first_name', 'last_name', 'is_serviser']
+
+class UserViewSet(viewsets.ViewSet):
+    # Akcija 'me' bit će dostupna na /api/users/me/
+    @action(detail=False, methods=['get'])
+    def me(self, request):
+        # 1. Provjera je li korisnik stvarno logiran (ima validan token)
+        if not request.user.is_authenticated:
+            return Response(
+                {"detail": "Niste prijavljeni. U DEBUG modu pristup je dozvoljen, ali nema podataka za AnonymousUser."},
+                status=status.HTTP_200_OK # Možeš vratiti 200 s praznim podacima ili 401
+            )
+
+        # 2. Ako je logiran, normalno serijaliziraj
+        serializer = UserMeSerializer(request.user)
+        return Response(serializer.data)