Save language preference to database

pflaenzli/pflaenzli/admin.py

@@ -14,4 +14,4 @@ class WishAdmin(admin.ModelAdmin):
 
 @admin.register(PflaenzliUser)
 class UserAdmin(admin.ModelAdmin):
-    list_display = ['id', 'username', 'email', 'zipcode', 'date_joined']
+    list_display = ['id', 'username', 'email', 'zipcode', 'language_code', 'date_joined']

pflaenzli/pflaenzli/migrations/0005_pflaenzliuser_language_code_alter_offer_category.py

@@ -0,0 +1,34 @@
+# Generated by Django 4.1.10 on 2023-07-22 16:52
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("pflaenzli", "0004_offer_category"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="pflaenzliuser",
+            name="language_code",
+            field=models.CharField(default="de", max_length=2),
+        ),
+        migrations.AlterField(
+            model_name="offer",
+            name="category",
+            field=models.CharField(
+                choices=[
+                    ("PLNT", "Plant"),
+                    ("SEED", "Seedling"),
+                    ("POT", "Pots"),
+                    ("TOOL", "Tools"),
+                    ("OTHR", "Other"),
+                ],
+                default="PLNT",
+                max_length=4,
+                verbose_name="Category",
+            ),
+        ),
+    ]

pflaenzli/pflaenzli/models.py

@@ -11,6 +11,7 @@ from django.utils.translation import gettext_lazy as _
 class PflaenzliUser(AbstractUser):
     email = models.EmailField(max_length=254)
     zipcode = models.PositiveIntegerField(blank=True, null=True, verbose_name=_('ZIP code'))
+    language_code = models.CharField(max_length=2, default='de')
 
 
 class Offer(models.Model):

pflaenzli/pflaenzli/templates/base.html

@@ -92,10 +92,10 @@
                                     {% get_language_info_list for LANGUAGES as languages %}
                                     {% for language in languages %}
                                         <li>
-                                            <form method="POST" action="{% url 'set_language' %}">
+                                            <form method="POST" action="{% url 'save_language' %}">
                                                 {% csrf_token %}
                                                 <input type="hidden" name="language" value="{{ language.code }}" />
-                                                <button class="dropdown-item d-flex align-items-center {% if language.code == LANGUAGE_CODE %} active{% endif %}"
+                                                <button class="dropdown-item d-flex align-items-center {% if language.code == LANGUAGE_CODE %}active{% endif %}"
                                                         type="submit">
                                                     {{ language.name_local }} ({{ language.code }})
                                                 </button>

pflaenzli/pflaenzli/urls.py

@@ -24,7 +24,7 @@ urlpatterns = [
     path("accounts/<int:user_id>", views.user_detail, name="user_detail"),
     path("accounts/<int:user_id>/wishlist/", views.wishlist, name="wishlist"),
     path('accounts/login/', auth_views.LoginView.as_view(template_name='registration/login.html')),
-    path('accounts/profile/', auth_views.LoginView.as_view(template_name='user/detail.html'), name='user_profile'),
+    path('accounts/profile/', TemplateView.as_view(template_name='user/detail.html'), name='user_profile'),
     path('accounts/profile/edit', views.user_edit, name='user_edit'),
     path('accounts/register/', views.register_user, name='register_user'),
     path('accounts/password_reset/', auth_views.PasswordResetView.as_view(template_name='registration/verify_email.html',
@@ -39,6 +39,8 @@ urlpatterns = [
     path("faq/", TemplateView.as_view(template_name='app/faq.html'), name="faq"),
     path("imprint/", TemplateView.as_view(template_name='app/imprint.html'), name="imprint"),
     path("wish/delete/<str:wish_id>", views.delete_wish, name='delete_wish'),
+    path("save_language/", views.save_language, name="save_language"),
+    path("load_language/", views.load_language, name="load_language"),
     path("i18n/", include("django.conf.urls.i18n")),
     path('sitemap.xml', sitemap, {'sitemaps': sitemaps},
          name='django.contrib.sitemaps.views.sitemap'),

pflaenzli/pflaenzli/views.py

@@ -1,21 +1,20 @@
-from django.shortcuts import render, get_object_or_404, redirect, reverse
-from django.utils import timezone
+from django.conf import settings
 from django.contrib import messages
 from django.contrib.auth import login
 from django.contrib.auth.decorators import login_required
+from django.http import HttpResponseForbidden
+from django.shortcuts import get_object_or_404, redirect, render
+from django.utils.translation import gettext_lazy as _
+from django.utils.translation import activate, get_language
 from django.views.decorators.csrf import csrf_protect
 from django.views.decorators.http import require_POST
-from django.http import HttpResponseForbidden
-from django.utils.translation import gettext_lazy as _
 
-
-from .forms import CreateOfferForm, RegistrationForm, FilterForm, WishForm
-
-from .models import PflaenzliUser, Offer, Wish
+from .forms import CreateOfferForm, FilterForm, RegistrationForm, WishForm
 from .mail import send_offer_email
+from .models import Offer, PflaenzliUser, Wish
 from .upload import generate_unique_filename
-from .utils.distance import calculate_distance, filter_by_distance
 from .utils.compress_image import compress_image
+from .utils.distance import calculate_distance, filter_by_distance
 
 
 def list_offers(request, filters=None):
@@ -184,6 +183,7 @@ def register_user(request):
         form = RegistrationForm(request.POST)
         if form.is_valid():
             user = form.save()
+            user.language_code = get_language()
             login(request, user)
             return redirect("index")
     else:
@@ -192,6 +192,34 @@ def register_user(request):
     return render(request, "basic_form.html", {"form": form, "button_label": _("Register"), "title": _("Registeration"), "umami_event": "User registration"})
 
 
+def save_language(request):
+    referer_url = request.META.get('HTTP_REFERER')
+    response = redirect(referer_url)
+
+    if request.method == 'POST':
+        if language_code := request.POST.get('language'):
+            if request.user.is_authenticated:
+                user = request.user
+                user.language_code = language_code
+                user.save()
+
+            activate(language_code)
+            response.set_cookie(settings.LANGUAGE_COOKIE_NAME, language_code)
+
+    return response
+
+
+@login_required
+def load_language(request):
+    response = redirect('user_profile')
+    language_code = request.user.language_code
+
+    activate(language_code)
+    response.set_cookie(settings.LANGUAGE_COOKIE_NAME, language_code)
+
+    return response
+
+
 def error_404(request, exception):
     return render(request, '404.html')
 

pflaenzli/pflaenzli_django/settings.py

@@ -56,12 +56,12 @@ INSTALLED_APPS = [
 MIDDLEWARE = [
     "django.middleware.security.SecurityMiddleware",
     "django.contrib.sessions.middleware.SessionMiddleware",
-    "django.middleware.common.CommonMiddleware",
+    'django.middleware.locale.LocaleMiddleware',
     "django.middleware.csrf.CsrfViewMiddleware",
     "django.contrib.auth.middleware.AuthenticationMiddleware",
     "django.contrib.messages.middleware.MessageMiddleware",
     "django.middleware.clickjacking.XFrameOptionsMiddleware",
-    'django.middleware.locale.LocaleMiddleware',
+    "django.middleware.common.CommonMiddleware",
 ]
 
 ROOT_URLCONF = "pflaenzli_django.urls"
@@ -126,6 +126,7 @@ AUTH_PASSWORD_VALIDATORS = [
 ]
 
 AUTH_USER_MODEL = 'pflaenzli.PflaenzliUser'
+LOGIN_REDIRECT_URL = "/load_language"
 LOGOUT_REDIRECT_URL = "/"
 
 # Internationalization