Enhance UserAdmin save logic to auto-generate email from mobile or user ID; improve token creation logging and user existence check

api/admin.py

@@ -1,5 +1,8 @@
+from typing import Any
 from django.contrib import admin
 from django.contrib.auth.admin import UserAdmin as BaseUserAdmin
+from django.forms.models import ModelForm
+from django.http.request import HttpRequest
 from api.models import User, Atoll, Island, TemporaryUser
 from django.contrib.auth.models import Permission
 
@@ -63,6 +66,14 @@ class UserAdmin(BaseUserAdmin):
         ("Important dates", {"fields": ("last_login", "date_joined")}),
     )
 
+    def save_model(self, request, obj, form, change):
+        if not obj.email:
+            if obj.mobile:
+                obj.email = f"{obj.mobile}@sarlink.net"
+            else:
+                obj.email = f"user_{obj.pk or 'new'}@sarlink.net"
+        super().save_model(request, obj, form, change)
+
 
 class TemporaryUserAdmin(admin.ModelAdmin):
     list_display = (