geoip: save to DB

app/signup/admin.py

@@ -4,10 +4,10 @@ from .models import Signup
 
 @admin.register(Signup)
 class SignupAdmin(admin.ModelAdmin):
-    _all_fields = ["email", "created_at", "anonymized_ip", "user_agent"]
+    _all_fields = ["email", "created_at", "anonymized_ip", "user_agent", "geoip"]
 
     date_hierarchy = "created_at"
-    list_display = ["email", "created_at", "anonymized_ip", "user_agent"] + ["place_name"]
+    list_display = ["email", "created_at", "user_agent"] + ["place_name"]
     list_filter = ["email", "user_agent"]
     ordering = ["created_at"]
     readonly_fields = _all_fields + ["place_name"]

app/signup/migrations/0001_initial.py

@@ -1,28 +0,0 @@
-# Generated by Django 5.0 on 2023-12-14 20:13
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    initial = True
-
-    dependencies = [
-    ]
-
-    operations = [
-        migrations.CreateModel(
-            name='Signup',
-            fields=[
-                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('email', models.EmailField(max_length=254)),
-                ('created_at', models.DateTimeField(auto_now_add=True)),
-                ('anonymized_ip', models.GenericIPAddressField()),
-                ('user_agent', models.CharField(max_length=255)),
-            ],
-        ),
-        migrations.AddConstraint(
-            model_name='signup',
-            constraint=models.UniqueConstraint(fields=('email',), name='unique_email'),
-        ),
-    ]

app/signup/models.py

@@ -1,13 +1,11 @@
-import geoip2
-
 from django.db import models
-from django.contrib.gis.geoip2 import GeoIP2
 
 class Signup(models.Model):
     email = models.EmailField()
     created_at = models.DateTimeField(auto_now_add = True)
     anonymized_ip = models.GenericIPAddressField()
     user_agent = models.CharField(max_length = 255)
+    geoip = models.JSONField(null = True, blank = True)
 
     class Meta:
         constraints = [
@@ -17,13 +15,7 @@ class Signup(models.Model):
     def __str__(self):
         return self.email
 
-    def _city(self):
-        try:
-            return GeoIP2().city(self.anonymized_ip)
-        except geoip2.errors.AddressNotFoundError:
-            return None
-
     def place_name(self):
-        if city := self._city():
+        if geoip := self.geoip:
-            return "{}, {}".format(city["city"], city["country_name"])
+            return "{}, {}".format(geoip["city"], geoip["country_name"])
         return "??"

app/signup/views.py

@@ -1,8 +1,12 @@
 import logging
+import geoip2
 
+from django.contrib.gis.geoip2 import GeoIP2
 from django.shortcuts import render, redirect
 from django.urls import reverse
 from django.db import IntegrityError
+from django.core.exceptions import ValidationError
+from django.db.utils import DatabaseError
 
 from lib.anonymize_ip import anonymize_ip
 
@@ -21,21 +25,28 @@ def index(request):
             ip = request.META.get('REMOTE_ADDR')
         anonymous_ip = anonymize_ip(ip)
 
-        e = Signup(
+        try:
+            geoip = GeoIP2().city(anonymous_ip)
+        except geoip2.errors.AddressNotFoundError:
+            geoip = None
+
+        s = Signup(
           email = request.POST.get("email"),
           anonymized_ip = anonymous_ip,
           user_agent = request.META["HTTP_USER_AGENT"],
+          geoip = geoip,
         )
 
         try:
-            e.clean_fields()
+            s.clean_fields()
         except ValidationError as e:
-            return e.render(request, "signup/index.html",
+            print(e)
+            return render(request, "signup/index.html",
                             {"error_message": e.message})
 
         logging.info("registering email={}".format(request.POST.get("email")))
         try:
-            e.save()
+            s.save()
         except IntegrityError:
             # email already registered, presumably
             return redirect(reverse("index") + "?success=already_subscribed")