mirror of
https://github.com/jazzband/django-avatar.git
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88 lines
3.5 KiB
Python
88 lines
3.5 KiB
Python
import os
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from django import forms
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from django.forms import widgets
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from django.utils.safestring import mark_safe
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# Issue 182: six no longer included with Django 3.0
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try:
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from django.utils import six
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except ImportError:
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import six
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from django.utils.translation import gettext_lazy as _
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from django.template.defaultfilters import filesizeformat
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from avatar.conf import settings
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from avatar.models import Avatar
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def avatar_img(avatar, size):
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if not avatar.thumbnail_exists(size):
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avatar.create_thumbnail(size)
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return mark_safe('<img src="%s" alt="%s" width="%s" height="%s" />' %
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(avatar.avatar_url(size), six.text_type(avatar),
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size, size))
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class UploadAvatarForm(forms.Form):
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avatar = forms.ImageField(label=_("avatar"))
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def __init__(self, *args, **kwargs):
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self.user = kwargs.pop('user')
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super(UploadAvatarForm, self).__init__(*args, **kwargs)
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def clean_avatar(self):
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data = self.cleaned_data['avatar']
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if settings.AVATAR_ALLOWED_FILE_EXTS:
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root, ext = os.path.splitext(data.name.lower())
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if ext not in settings.AVATAR_ALLOWED_FILE_EXTS:
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valid_exts = ", ".join(settings.AVATAR_ALLOWED_FILE_EXTS)
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error = _("%(ext)s is an invalid file extension. "
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"Authorized extensions are : %(valid_exts_list)s")
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raise forms.ValidationError(error
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% {'ext': ext,
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'valid_exts_list': valid_exts})
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if data.size > settings.AVATAR_MAX_SIZE:
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error = _("Your file is too big (%(size)s), "
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"the maximum allowed size is %(max_valid_size)s")
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raise forms.ValidationError(error
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% {'size': filesizeformat(data.size),
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'max_valid_size': filesizeformat(settings.AVATAR_MAX_SIZE)})
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count = Avatar.objects.filter(user=self.user).count()
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if 1 < settings.AVATAR_MAX_AVATARS_PER_USER <= count:
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error = _("You already have %(nb_avatars)d avatars, "
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"and the maximum allowed is %(nb_max_avatars)d.")
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raise forms.ValidationError(error % {
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'nb_avatars': count,
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'nb_max_avatars': settings.AVATAR_MAX_AVATARS_PER_USER,
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})
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return
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class PrimaryAvatarForm(forms.Form):
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def __init__(self, *args, **kwargs):
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kwargs.pop('user')
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size = kwargs.pop('size', settings.AVATAR_DEFAULT_SIZE)
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avatars = kwargs.pop('avatars')
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super(PrimaryAvatarForm, self).__init__(*args, **kwargs)
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choices = [(avatar.id, avatar_img(avatar, size)) for avatar in avatars]
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self.fields['choice'] = forms.ChoiceField(label=_("Choices"),
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choices=choices,
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widget=widgets.RadioSelect)
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class DeleteAvatarForm(forms.Form):
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def __init__(self, *args, **kwargs):
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kwargs.pop('user')
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size = kwargs.pop('size', settings.AVATAR_DEFAULT_SIZE)
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avatars = kwargs.pop('avatars')
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super(DeleteAvatarForm, self).__init__(*args, **kwargs)
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choices = [(avatar.id, avatar_img(avatar, size)) for avatar in avatars]
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self.fields['choices'] = forms.MultipleChoiceField(label=_("Choices"),
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choices=choices,
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widget=widgets.CheckboxSelectMultiple)
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