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|
from django import forms
from django.contrib.auth.forms import UserCreationForm
from django.contrib.auth.models import User
from django.core.exceptions import ValidationError
from .models import Product, Review, Category
class ProductForm(forms.ModelForm):
"""产品表单"""
class Meta:
model = Product
fields = ['title', 'slug', 'description', 'price', 'category', 'image', 'featured']
widgets = {
'title': forms.TextInput(attrs={
'class': 'form-control',
'placeholder': '请输入产品标题'
}),
'slug': forms.TextInput(attrs={
'class': 'form-control',
'placeholder': '产品URL标识符'
}),
'description': forms.Textarea(attrs={
'class': 'form-control',
'rows': 5,
'placeholder': '请输入产品描述'
}),
'price': forms.NumberInput(attrs={
'class': 'form-control',
'step': '0.01',
'min': '0'
}),
'category': forms.Select(attrs={
'class': 'form-select'
}),
'image': forms.FileInput(attrs={
'class': 'form-control',
'accept': 'image/*'
}),
'featured': forms.CheckboxInput(attrs={
'class': 'form-check-input'
})
}
def clean_slug(self):
"""验证slug唯一性"""
slug = self.cleaned_data['slug']
if Product.objects.filter(slug=slug).exclude(pk=self.instance.pk).exists():
raise ValidationError('该URL标识符已存在')
return slug
def clean_price(self):
"""验证价格"""
price = self.cleaned_data['price']
if price <= 0:
raise ValidationError('价格必须大于0')
return price
class ReviewForm(forms.ModelForm):
"""评论表单"""
class Meta:
model = Review
fields = ['rating', 'comment']
widgets = {
'rating': forms.Select(
choices=[(i, f'{i}星') for i in range(1, 6)],
attrs={'class': 'form-select'}
),
'comment': forms.Textarea(attrs={
'class': 'form-control',
'rows': 4,
'placeholder': '请分享您的使用体验...'
})
}
def clean_comment(self):
"""验证评论内容"""
comment = self.cleaned_data['comment']
if len(comment) < 10:
raise ValidationError('评论内容至少需要10个字符')
return comment
class ContactForm(forms.Form):
"""联系表单"""
SUBJECT_CHOICES = [
('general', '一般咨询'),
('support', '技术支持'),
('business', '商务合作'),
('complaint', '投诉建议'),
]
name = forms.CharField(
max_length=100,
widget=forms.TextInput(attrs={
'class': 'form-control',
'placeholder': '您的姓名'
})
)
email = forms.EmailField(
widget=forms.EmailInput(attrs={
'class': 'form-control',
'placeholder': '您的邮箱'
})
)
subject = forms.ChoiceField(
choices=SUBJECT_CHOICES,
widget=forms.Select(attrs={
'class': 'form-select'
})
)
message = forms.CharField(
widget=forms.Textarea(attrs={
'class': 'form-control',
'rows': 6,
'placeholder': '请详细描述您的问题或建议...'
})
)
def clean_message(self):
"""验证消息内容"""
message = self.cleaned_data['message']
if len(message) < 20:
raise ValidationError('消息内容至少需要20个字符')
return message
class CustomUserCreationForm(UserCreationForm):
"""自定义用户注册表单"""
email = forms.EmailField(
required=True,
widget=forms.EmailInput(attrs={
'class': 'form-control',
'placeholder': '邮箱地址'
})
)
first_name = forms.CharField(
max_length=30,
required=True,
widget=forms.TextInput(attrs={
'class': 'form-control',
'placeholder': '名字'
})
)
last_name = forms.CharField(
max_length=30,
required=True,
widget=forms.TextInput(attrs={
'class': 'form-control',
'placeholder': '姓氏'
})
)
class Meta:
model = User
fields = ('username', 'first_name', 'last_name', 'email', 'password1', 'password2')
widgets = {
'username': forms.TextInput(attrs={
'class': 'form-control',
'placeholder': '用户名'
}),
}
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.fields['password1'].widget.attrs.update({
'class': 'form-control',
'placeholder': '密码'
})
self.fields['password2'].widget.attrs.update({
'class': 'form-control',
'placeholder': '确认密码'
})
def clean_email(self):
"""验证邮箱唯一性"""
email = self.cleaned_data['email']
if User.objects.filter(email=email).exists():
raise ValidationError('该邮箱已被注册')
return email
def save(self, commit=True):
"""保存用户"""
user = super().save(commit=False)
user.email = self.cleaned_data['email']
user.first_name = self.cleaned_data['first_name']
user.last_name = self.cleaned_data['last_name']
if commit:
user.save()
return user
|
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