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
' % { 'content': super(SelectFile, self).render(name, value, attrs), 'title': _("Choose file"), 'name': name, } output += '' + _("Choose file") + '' return output class SelectUser(TextInput): def render(self, name, value, attrs=None): if attrs: attrs['class'] = "select_user" else: attrs = {'class': "select_user"} output = '%(content)s
' % { 'content': super(SelectUser, self).render(name, value, attrs), 'title': _("Choose user"), 'name': name, } output += '' + _("Choose user") + '' 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