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seahub/seahub/avatar/forms.py
2013-05-02 19:27:17 +08:00

86 lines
3.8 KiB
Python

import os
from django import forms
from django.forms import widgets
from django.utils.safestring import mark_safe
from django.utils.translation import ugettext_lazy as _
from django.template.defaultfilters import filesizeformat
from seahub.avatar.models import Avatar
from seahub.avatar.settings import (AVATAR_MAX_AVATARS_PER_USER, AVATAR_MAX_SIZE,
AVATAR_ALLOWED_FILE_EXTS, AVATAR_DEFAULT_SIZE)
def avatar_img(avatar, size):
if not avatar.thumbnail_exists(size):
avatar.create_thumbnail(size)
return mark_safe("""<img src="%s" alt="%s" width="%s" height="%s" />""" %
(avatar.avatar_url(size), unicode(avatar), size, size))
class UploadAvatarForm(forms.Form):
avatar = forms.ImageField()
def __init__(self, *args, **kwargs):
self.emailuser = kwargs.pop('user').email
super(UploadAvatarForm, self).__init__(*args, **kwargs)
def clean_avatar(self):
data = self.cleaned_data['avatar']
if AVATAR_ALLOWED_FILE_EXTS:
(root, ext) = os.path.splitext(data.name.lower())
if ext not in AVATAR_ALLOWED_FILE_EXTS:
raise forms.ValidationError(
_(u"%(ext)s is an invalid file extension. Authorized extensions are : %(valid_exts_list)s") %
{ 'ext' : ext, 'valid_exts_list' : ", ".join(AVATAR_ALLOWED_FILE_EXTS) })
if data.size > AVATAR_MAX_SIZE:
raise forms.ValidationError(
_(u"Your file is too big (%(size)s), the maximum allowed size is %(max_valid_size)s") %
{ 'size' : filesizeformat(data.size), 'max_valid_size' : filesizeformat(AVATAR_MAX_SIZE)} )
count = Avatar.objects.filter(emailuser=self.emailuser).count()
if AVATAR_MAX_AVATARS_PER_USER > 1 and \
count >= AVATAR_MAX_AVATARS_PER_USER:
raise forms.ValidationError(
_(u"You already have %(nb_avatars)d avatars, and the maximum allowed is %(nb_max_avatars)d.") %
{ 'nb_avatars' : count, 'nb_max_avatars' : AVATAR_MAX_AVATARS_PER_USER})
return
class GroupAvatarForm(forms.Form):
avatar = forms.ImageField()
def clean_avatar(self):
data = self.cleaned_data['avatar']
if AVATAR_ALLOWED_FILE_EXTS:
(root, ext) = os.path.splitext(data.name.lower())
if ext not in AVATAR_ALLOWED_FILE_EXTS:
raise forms.ValidationError(
_(u"%(ext)s is an invalid file extension. Authorized extensions are : %(valid_exts_list)s") %
{ 'ext' : ext, 'valid_exts_list' : ", ".join(AVATAR_ALLOWED_FILE_EXTS) })
if data.size > AVATAR_MAX_SIZE:
raise forms.ValidationError(
_(u"Your file is too big (%(size)s), the maximum allowed size is %(max_valid_size)s") %
{ 'size' : filesizeformat(data.size), 'max_valid_size' : filesizeformat(AVATAR_MAX_SIZE)})
class PrimaryAvatarForm(forms.Form):
def __init__(self, *args, **kwargs):
user = kwargs.pop('user')
size = kwargs.pop('size', AVATAR_DEFAULT_SIZE)
avatars = kwargs.pop('avatars')
super(PrimaryAvatarForm, self).__init__(*args, **kwargs)
self.fields['choice'] = forms.ChoiceField(
choices=[(c.id, avatar_img(c, size)) for c in avatars],
widget=widgets.RadioSelect)
class DeleteAvatarForm(forms.Form):
def __init__(self, *args, **kwargs):
user = kwargs.pop('user')
size = kwargs.pop('size', AVATAR_DEFAULT_SIZE)
avatars = kwargs.pop('avatars')
super(DeleteAvatarForm, self).__init__(*args, **kwargs)
self.fields['choices'] = forms.MultipleChoiceField(
choices=[(c.id, avatar_img(c, size)) for c in avatars],
widget=widgets.CheckboxSelectMultiple)