nk20/apps/member/forms.py

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# Copyright (C) 2018-2021 by BDE ENS Paris-Saclay
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# SPDX-License-Identifier: GPL-3.0-or-later
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import io
from bootstrap_datepicker_plus.widgets import DatePickerInput
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from django import forms
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from django.conf import settings
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from django.contrib.auth.forms import AuthenticationForm
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from django.contrib.auth.models import User
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from django.db import transaction
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from django.forms import CheckboxSelectMultiple
from django.utils import timezone
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from django.utils.translation import gettext_lazy as _
from note.models import NoteSpecial, Alias
from note_kfet.inputs import Autocomplete, AmountInput
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from permission.models import PermissionMask, Role
from PIL import Image, ImageSequence
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from .models import Profile, Club, Membership
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class CustomAuthenticationForm(AuthenticationForm):
permission_mask = forms.ModelChoiceField(
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label=_("Permission mask"),
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queryset=PermissionMask.objects.order_by("rank"),
empty_label=None,
)
class UserForm(forms.ModelForm):
def _get_validation_exclusions(self):
# Django usernames can only contain letters, numbers, @, ., +, - and _.
# We want to allow users to have uncommon and unpractical usernames:
# That is their problem, and we have normalized aliases for us.
return super()._get_validation_exclusions() | {"username"}
class Meta:
model = User
fields = ('first_name', 'last_name', 'username', 'email',)
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class ProfileForm(forms.ModelForm):
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"""
A form for the extras field provided by the :model:`member.Profile` model.
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"""
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report_frequency = forms.IntegerField(required=False, initial=0, label=_("Report frequency"))
last_report = forms.DateTimeField(required=False, disabled=True, label=_("Last report date"))
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VSS_charter_read = forms.BooleanField(
required=True,
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label=_("Anti-VSS (<em>Violences Sexistes et Sexuelles</em>) charter read and approved"),
help_text=_("Tick after having read and accepted the anti-VSS charter \
<a href=https://perso.crans.org/club-bde/Charte-anti-VSS.pdf target=_blank> available here in pdf</a>")
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)
def clean_promotion(self):
promotion = self.cleaned_data["promotion"]
if promotion > timezone.now().year:
self.add_error("promotion", _("You can't register to the note if you come from the future."))
return promotion
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def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.fields['address'].widget.attrs.update({"placeholder": "4 avenue des Sciences, 91190 GIF-SUR-YVETTE"})
self.fields['promotion'].widget.attrs.update({"max": timezone.now().year})
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@transaction.atomic
def save(self, commit=True):
if not self.instance.section or (("department" in self.changed_data
or "promotion" in self.changed_data) and "section" not in self.changed_data):
self.instance.section = self.instance.section_generated
return super().save(commit)
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class Meta:
model = Profile
fields = '__all__'
exclude = ('user', 'email_confirmed', 'registration_valid', )
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class ImageForm(forms.Form):
"""
Form used for the js interface for profile picture
"""
image = forms.ImageField(required=False,
label=_('select an image'),
help_text=_('Maximal size: 2MB'))
x = forms.FloatField(widget=forms.HiddenInput())
y = forms.FloatField(widget=forms.HiddenInput())
width = forms.FloatField(widget=forms.HiddenInput())
height = forms.FloatField(widget=forms.HiddenInput())
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def clean(self):
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"""
Load image and crop
In the future, when Pillow will support APNG we will be able to
simplify this code to save only PNG/APNG.
"""
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cleaned_data = super().clean()
# Image size is limited by Django DATA_UPLOAD_MAX_MEMORY_SIZE
image = cleaned_data.get('image')
if image:
# Let Pillow detect and load image
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# If it is an animation, then there will be multiple frames
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try:
im = Image.open(image)
except OSError:
# Rare case in which Django consider the upload file as an image
# but Pil is unable to load it
raise forms.ValidationError(_('This image cannot be loaded.'))
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# Crop each frame
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x = cleaned_data.get('x', 0)
y = cleaned_data.get('y', 0)
w = cleaned_data.get('width', 200)
h = cleaned_data.get('height', 200)
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frames = []
for frame in ImageSequence.Iterator(im):
frame = frame.crop((x, y, x + w, y + h))
frame = frame.resize(
(settings.PIC_WIDTH, settings.PIC_RATIO * settings.PIC_WIDTH),
Image.LANCZOS,
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)
frames.append(frame)
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# Save
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om = frames.pop(0) # Get first frame
om.info = im.info # Copy metadata
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image.file = io.BytesIO()
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if len(frames) > 1:
# Save as GIF
om.save(image.file, "GIF", save_all=True, append_images=list(frames), loop=0)
else:
# Save as PNG
om.save(image.file, "PNG")
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return cleaned_data
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class ClubForm(forms.ModelForm):
def clean(self):
cleaned_data = super().clean()
if not self.instance.pk: # Creating a club
if Alias.objects.filter(normalized_name=Alias.normalize(self.cleaned_data["name"])).exists():
self.add_error('name', _("An alias with a similar name already exists."))
return cleaned_data
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class Meta:
model = Club
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fields = '__all__'
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widgets = {
"membership_fee_paid": AmountInput(),
"membership_fee_unpaid": AmountInput(),
"parent_club": Autocomplete(
Club,
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resetable=True,
attrs={
'api_url': '/api/members/club/',
}
),
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"membership_start": DatePickerInput(),
"membership_end": DatePickerInput(),
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}
class MembershipForm(forms.ModelForm):
soge = forms.BooleanField(
label=_("Inscription paid by Société Générale"),
required=False,
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help_text=_("Check this case if the Société Générale paid the inscription."),
)
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credit_type = forms.ModelChoiceField(
queryset=NoteSpecial.objects,
label=_("Credit type"),
empty_label=_("No credit"),
required=False,
help_text=_("You can credit the note of the user."),
)
credit_amount = forms.IntegerField(
label=_("Credit amount"),
required=False,
initial=0,
widget=AmountInput(),
)
last_name = forms.CharField(
label=_("Last name"),
required=False,
)
first_name = forms.CharField(
label=_("First name"),
required=False,
)
bank = forms.CharField(
label=_("Bank"),
required=False,
)
class Meta:
model = Membership
fields = ('user', 'date_start')
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# Le champ d'utilisateur est remplacé par un champ d'auto-complétion.
# Quand des lettres sont tapées, une requête est envoyée sur l'API d'auto-complétion
# et récupère les noms d'utilisateur valides
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widgets = {
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'user':
Autocomplete(
User,
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attrs={
'api_url': '/api/user/',
'name_field': 'username',
'placeholder': 'Nom ...',
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},
),
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'date_start': DatePickerInput(),
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}
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class MembershipRolesForm(forms.ModelForm):
user = forms.ModelChoiceField(
queryset=User.objects,
label=_("User"),
disabled=True,
widget=Autocomplete(
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User,
attrs={
'api_url': '/api/user/',
'name_field': 'username',
'placeholder': 'Nom ...',
},
),
)
roles = forms.ModelMultipleChoiceField(
queryset=Role.objects.filter(weirole=None).all(),
label=_("Roles"),
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widget=CheckboxSelectMultiple(),
)
class Meta:
model = Membership
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fields = ('user', 'roles')