Sith/core/views/forms.py
2016-08-13 05:33:09 +02:00

192 lines
7.3 KiB
Python

from django.contrib.auth.forms import UserCreationForm, AuthenticationForm, UserChangeForm
from django import forms
from django.db import transaction
from django.core.exceptions import ValidationError
from django.contrib.auth import logout, login, authenticate
from django.forms import CheckboxSelectMultiple, Select, DateInput, TextInput
from django.utils.translation import ugettext as _
from phonenumber_field.widgets import PhoneNumberInternationalFallbackWidget
import logging
from core.models import User, Page, RealGroup, SithFile
# Widgets
class SelectSingle(Select):
def render(self, name, value, attrs=None):
if attrs:
attrs['class'] = "select_single"
else:
attrs = {'class': "select_single"}
return super(SelectSingle, self).render(name, value, attrs)
class SelectMultiple(Select):
def render(self, name, value, attrs=None):
if attrs:
attrs['class'] = "select_multiple"
else:
attrs = {'class': "select_multiple"}
return super(SelectMultiple, self).render(name, value, attrs)
class SelectDate(DateInput):
def render(self, name, value, attrs=None):
if attrs:
attrs['class'] = "select_date"
else:
attrs = {'class': "select_date"}
return super(SelectDate, self).render(name, value, attrs)
class SelectFile(TextInput):
def render(self, name, value, attrs=None):
if attrs:
attrs['class'] = "select_file"
else:
attrs = {'class': "select_file"}
output = '%(content)s<div name="%(name)s" class="choose_file_widget" title="%(title)s"></div>' % {
'content': super(SelectFile, self).render(name, value, attrs),
'title': _("Choose file"),
'name': name,
}
output += '<span name="' + name + '" class="choose_file_button">' + _("Choose file") + '</span>'
print(output)
return output
# Forms
class RegisteringForm(UserCreationForm):
error_css_class = 'error'
required_css_class = 'required'
class Meta:
model = User
fields = ('first_name', 'last_name', 'email')
def save(self, commit=True):
user = super(RegisteringForm, self).save(commit=False)
user.set_password(self.cleaned_data["password1"])
user.generate_username()
if commit:
user.save()
return user
# Image utils
from io import BytesIO
from PIL import Image
def scale_dimension(width, height, long_edge):
if width > height:
ratio = long_edge * 1. / width
else:
ratio = long_edge * 1. / height
return int(width * ratio), int(height * ratio)
def resize_image(im, edge, format):
from django.core.files.base import ContentFile
(w, h) = im.size
(width, height) = scale_dimension(w, h, long_edge=edge)
content = BytesIO()
im.resize((width, height), Image.ANTIALIAS).save(fp=content, format=format, dpi=[72, 72])
return ContentFile(content.getvalue())
class UserProfileForm(forms.ModelForm):
"""
Form handling the user profile, managing the files
This form is actually pretty bad and was made in the rush before the migration. It should be refactored.
TODO: refactor this form
"""
class Meta:
model = User
fields = ['first_name', 'last_name', 'nick_name', 'email', 'date_of_birth', 'profile_pict', 'avatar_pict',
'scrub_pict', 'sex', 'second_email', 'address', 'parent_address', 'phone', 'parent_phone',
'tshirt_size', 'role', 'department', 'dpt_option', 'semester', 'quote', 'school', 'promo',
'forum_signature']
widgets = {
'date_of_birth': SelectDate,
'profile_pict': forms.ClearableFileInput,
'avatar_pict': forms.ClearableFileInput,
'scrub_pict': forms.ClearableFileInput,
'phone': PhoneNumberInternationalFallbackWidget,
'parent_phone': PhoneNumberInternationalFallbackWidget,
}
labels = {
'profile_pict': _("Profile: you need to be visible on the picture, in order to be recognized (e.g. by the barmen)"),
'avatar_pict': _("Avatar: used on the forum"),
'scrub_pict': _("Scrub: let other know how your scrub looks like!"),
}
def __init__(self, *arg, **kwargs):
super(UserProfileForm, self).__init__(*arg, **kwargs)
def full_clean(self):
super(UserProfileForm, self).full_clean()
def generate_name(self, field_name, f):
field_name = field_name[:-4]
return field_name + str(self.instance.id) + "." + f.content_type.split('/')[-1]
def process(self, files):
avatar = self.instance.avatar_pict
profile = self.instance.profile_pict
scrub = self.instance.scrub_pict
self.full_clean()
self.cleaned_data['avatar_pict'] = avatar
self.cleaned_data['profile_pict'] = profile
self.cleaned_data['scrub_pict'] = scrub
parent = SithFile.objects.filter(parent=None, name="profiles").first()
for field,f in files:
with transaction.atomic():
try:
im = Image.open(BytesIO(f.read()))
new_file = SithFile(parent=parent, name=self.generate_name(field, f),
file=resize_image(im, 400, f.content_type.split('/')[-1]),
owner=self.instance, is_folder=False, mime_type=f.content_type, size=f._size)
new_file.file.name = new_file.name
old = SithFile.objects.filter(parent=parent, name=new_file.name).first()
if old:
old.delete()
new_file.clean()
new_file.save()
self.cleaned_data[field] = new_file
self._errors.pop(field, None)
except ValidationError as e:
self._errors.pop(field, None)
self.add_error(field, _("Error uploading file %(file_name)s: %(msg)s") %
{'file_name': f, 'msg': str(e.message)})
except IOError:
self._errors.pop(field, None)
self.add_error(field, _("Error uploading file %(file_name)s: %(msg)s") %
{'file_name': f, 'msg': _("Bad image format, only jpeg, png, and gif are accepted")})
self._post_clean()
class UserPropForm(forms.ModelForm):
error_css_class = 'error'
required_css_class = 'required'
class Meta:
model = User
fields = ['groups']
help_texts = {
'groups': "Which groups this user belongs to",
}
widgets = {
'groups': CheckboxSelectMultiple,
}
class PagePropForm(forms.ModelForm):
error_css_class = 'error'
required_css_class = 'required'
class Meta:
model = Page
fields = ['parent', 'name', 'owner_group', 'edit_groups', 'view_groups', ]
widgets = {
'edit_groups': CheckboxSelectMultiple,
'view_groups': CheckboxSelectMultiple,
}
def __init__(self, *arg, **kwargs):
super(PagePropForm, self).__init__(*arg, **kwargs)
self.fields['edit_groups'].required = False
self.fields['view_groups'].required = False