Django:存储用户首选项

# models.py
from django.db import models
from django.contrib.auth.models import User

class UserPreference(models.Model):
    user = models.OneToOneField(User, on_delete=models.CASCADE)
    theme_color = models.CharField(max_length=7, default='#FFFFFF')
    notification_preference = models.BooleanField(default=True)

    def __str__(self):
        return f"{self.user.username}'s preferences"

# views.py
from django.shortcuts import render, get_object_or_404, redirect
from .models import UserPreference
from .forms import UserPreferenceForm

def user_preference(request):
    preference, created = UserPreference.objects.get_or_create(user=request.user)
    if request.method == 'POST':
        form = UserPreferenceForm(request.POST, instance=preference)
        if form.is_valid():
            form.save()
            return redirect('profile')
    else:
        form = UserPreferenceForm(instance=preference)
    return render(request, 'user_preference.html', {'form': form})

# forms.py
from django import forms
from .models import UserPreference

class UserPreferenceForm(forms.ModelForm):
    class Meta:
        model = UserPreference
        fields = ['theme_color', 'notification_preference']

if form.is_valid():
    form.save()

preference, created = UserPreference.objects.get_or_create(user=request.user)
form = UserPreferenceForm(instance=preference)