views.py 7.93 KB
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"""Views provided by the registrations package"""
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from django.conf import settings
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from django.contrib import messages
from django.contrib.admin.utils import model_ngettext
from django.contrib.admin.views.decorators import staff_member_required
from django.contrib.auth.decorators import login_required, permission_required
from django.contrib.contenttypes.models import ContentType
from django.core.exceptions import ValidationError
from django.shortcuts import redirect
from django.template.defaultfilters import floatformat
from django.urls import reverse
from django.utils import timezone
from django.utils.decorators import method_decorator
from django.utils.translation import ugettext_lazy as _
from django.views import View
from django.views.generic import FormView
from django.views.generic.base import TemplateResponseMixin, TemplateView

from members.models import Membership
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from . import emails, forms, services
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from .models import Entry, Registration, Renewal
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class BecomeAMemberView(TemplateView):
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    """View that render a HTML template with context data"""
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    template_name = 'registrations/become_a_member.html'

    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        context['year_fees'] = floatformat(settings.MEMBERSHIP_PRICES[
                                               Entry.MEMBERSHIP_YEAR], 2)
        context['study_fees'] = floatformat(settings.MEMBERSHIP_PRICES[
                                                Entry.MEMBERSHIP_STUDY], 2)
        context['member_form_url'] = reverse('registrations:register')
        return context


@method_decorator(staff_member_required, name='dispatch')
@method_decorator(permission_required('registrations.review_entries'),
                  name='dispatch', )
class EntryAdminView(View):
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    """
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    View that handles the processing of entries
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    """
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    def post(self, request, *args, **kwargs):
        action = request.POST.get('action')
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        entry_qs = Entry.objects.filter(pk=kwargs['pk'])
        try:
            entry = entry_qs.get()
        except Entry.DoesNotExist:
            return redirect('admin:index')

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        if action == 'accept':
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            if not services.check_unique_user(entry):
                messages.error(request, _('Could not accept %s. '
                                          'Username is not unique.') %
                               model_ngettext(entry, 1))
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            elif services.accept_entries(request.user.pk, entry_qs) > 0:
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                messages.success(request, _('Successfully accepted %s.') %
                                 model_ngettext(entry, 1))
            else:
                messages.error(request, _('Could not accept %s.') %
                               model_ngettext(entry, 1))
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        elif action == 'reject':
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            if services.reject_entries(request.user.pk, entry_qs) > 0:
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                messages.success(request, _('Successfully rejected %s.') %
                                 model_ngettext(entry, 1))
            else:
                messages.error(request, _('Could not reject %s.') %
                               model_ngettext(entry, 1))
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        elif action == 'resend':
            try:
                emails.send_registration_email_confirmation(entry.registration)
            except Registration.DoesNotExist:
                pass
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        elif action == 'revert':
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            services.revert_entry(request.user.pk, entry)
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        if entry_qs.filter(renewal=None).exists():
            content_type = ContentType.objects.get_for_model(Registration)
        else:
            content_type = ContentType.objects.get_for_model(Renewal)

        return redirect("admin:%s_%s_change" %
                        (content_type.app_label, content_type.model),
                        kwargs['pk'])


class ConfirmEmailView(View, TemplateResponseMixin):
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    """
    View that renders an HTML template and confirms the email address
    of the provided registration
    """
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    template_name = 'registrations/confirm_email.html'

    def get(self, request, *args, **kwargs):
        entry = Entry.objects.filter(pk=kwargs['pk'])

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        processed = 0
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        try:
            processed = services.confirm_entry(entry)
        except ValidationError:
            pass

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        if processed == 0:
            return redirect('registrations:register')

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        emails.send_new_registration_board_message(entry.get())
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        return self.render_to_response({})


class MemberRegistrationFormView(FormView):
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    """
    View that renders the membership registration form
    """
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    form_class = forms.MemberRegistrationForm
    template_name = 'registrations/register_member.html'

    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        context['year_fees'] = floatformat(settings.MEMBERSHIP_PRICES[
                                               Entry.MEMBERSHIP_YEAR], 2)
        context['study_fees'] = floatformat(settings.MEMBERSHIP_PRICES[
                                                Entry.MEMBERSHIP_STUDY], 2)
        context['privacy_policy_url'] = reverse('privacy-policy')
        return context

    def get(self, request, *args, **kwargs):
        if request.user.is_authenticated:
            return redirect('registrations:renew')
        return super().get(request, args, kwargs)

    def post(self, request, *args, **kwargs):
        request.POST = request.POST.dict()
        request.POST['language'] = request.LANGUAGE_CODE
        request.POST['membership_type'] = Membership.MEMBER
        return super().post(request, *args, **kwargs)

    def form_valid(self, form):
        form.save()
        return redirect('registrations:register-success')


@method_decorator(login_required, name='dispatch')
class RenewalFormView(FormView):
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    """
    View that renders the membership renewal form
    """
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    form_class = forms.MemberRenewalForm
    template_name = 'registrations/renewal.html'

    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        context['year_fees'] = floatformat(settings.MEMBERSHIP_PRICES[
                                               Entry.MEMBERSHIP_YEAR], 2)
        context['study_fees'] = floatformat(settings.MEMBERSHIP_PRICES[
                                                Entry.MEMBERSHIP_STUDY], 2)
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        context['latest_membership'] = self.request.member.latest_membership
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        context['was_member'] = Membership.objects.filter(
            user=self.request.member, type=Membership.MEMBER).exists()
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        context['privacy_policy_url'] = reverse('privacy-policy')
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        return context

    def get_form(self, form_class=None):
        form = super().get_form(form_class)
        member = self.request.member
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        if member is not None and member.latest_membership is not None:
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            latest_membership = member.latest_membership
            # If latest membership has not ended or does not ends
            # within 1 month: do not show 'year' length
            hide_year_choice = not (latest_membership is not None and
                                    latest_membership.until is not None and
                                    (latest_membership.until -
                                     timezone.now().date()).days <= 31)

            if hide_year_choice:
                form.fields['length'].choices = [
                    c for c in form.fields['length'].choices
                    if c[0] != Entry.MEMBERSHIP_YEAR
                ]

        return form

    def post(self, request, *args, **kwargs):
        request.POST = request.POST.dict()
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        if request.member.latest_membership.type == Membership.BENEFACTOR:
            request.POST['membership_type'] = Membership.BENEFACTOR
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            request.POST['length'] = Entry.MEMBERSHIP_YEAR
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        request.POST['member'] = request.member.pk
        return super().post(request, *args, **kwargs)

    def form_valid(self, form):
        renewal = form.save()
        emails.send_new_renewal_board_message(renewal)
        return redirect('registrations:renew-success')