foerderbarometer/input/views.py

from smtplib import SMTPException

from django.shortcuts import render
from django.http import HttpResponse
from django.utils.safestring import mark_safe
from formtools.wizard.views import CookieWizardView
from django.core.mail import BadHeaderError, EmailMultiAlternatives
from django.template.loader import get_template
from django.conf import settings
from django.contrib.auth.decorators import login_required

from .forms import (
    ExternForm,
    LibraryForm,
    ELiteratureForm,
    SoftwareForm,
    IFGForm,
    LiteratureForm,
    TravelForm,
    EmailForm,
    ListForm,
    BusinessCardForm,
)
from .models import TYPE_CHOICES, MODELS, TYPE_BIB, TYPE_ELIT, TYPE_SOFT

LIBRARY_FORMS = {
    TYPE_BIB: LibraryForm,
    TYPE_ELIT: ELiteratureForm,
    TYPE_SOFT: SoftwareForm,
}


def auth_deny(choice, pk, auth):
    if choice not in MODELS:
        return HttpResponse(f'ERROR! UNKNOWN CHOICE TYPE! {choice}')

    MODELS[choice].set_granted(pk, auth)


@login_required
def export(request):
    '''export the project database to a csv'''
    return HttpResponse('WE WANT CSV!')


@login_required
def authorize(request, choice, pk):
    '''If IF grant a support they click a link in a mail which leads here.
    We write the granted field in the database here and set a timestamp.'''

    if ret := auth_deny(choice, pk, True):
        return ret
    else:
        return HttpResponse(f"AUTHORIZED! choice: {choice}, pk: {pk}")


@login_required
def deny(request, choice, pk):
    '''If IF denies a support they click a link in a mail which leads here
    We write the granted field in the database here.'''

    if ret := auth_deny(choice, pk, False):
        return ret
    else:
        return HttpResponse(f"DENIED! choice: {choice}, pk: {pk}")


def done(request):
    return HttpResponse("Deine Anfrage wurde gesendet. Du erhältst in Kürze eine E-Mail-Benachrichtigung mit deinen Angaben. Für alle Fragen kontaktiere bitte das Team Communitys und Engagement unter community@wikimedia.de.")


def index(request):
    return render(request, 'input/index.html')


class ExternView(CookieWizardView):
    '''This View is for Volunteers'''

    template_name = "input/extern.html"
    form_list = [ExternForm, LibraryForm]

    def get_form(self, step=None, data=None, files=None):
        '''this function determines which part of the multipart form is
        displayed next'''

        if step is None:
            step = self.steps.current
        print ("get_form() step " + step)

        if step == '1':
            prev_data = self.get_cleaned_data_for_step('0')
            choice = prev_data.get('choice')
            print(f'choice detection in ExternView: {TYPE_CHOICES[choice]}')
            if choice == 'IFG':
                form = IFGForm(data)
                form.fields['notes'].help_text = mark_safe("Bitte gib an, wie die gewonnenen Informationen den<br>Wikimedia-Projekten zugute kommen sollen.")
            elif choice in LIBRARY_FORMS:
                form = LIBRARY_FORMS[choice](data)
            elif choice == 'MAIL':
                form = EmailForm(data)
                form.fields['domain'].help_text = mark_safe("Mit welcher Domain, bzw. für welches Wikimedia-Projekt,<br>möchtest du eine Mailadresse beantragen?")
            elif choice == 'LIT':
                form = LiteratureForm(data)
                form.fields['notes'].help_text = "Bitte gib an, wofür du die Literatur verwenden möchtest."
            elif choice == 'VIS':
                form = BusinessCardForm(data)
            elif choice == 'LIST':
                form = ListForm(data)
                form.fields['domain'].help_text = mark_safe("Mit welcher Domain, bzw. für welches Wikimedia-Projekt,<br>möchtest du eine Mailingliste beantragen?")
            elif choice == 'TRAV':
                form = TravelForm(data)
            else:  # pragma: no cover
                raise RuntimeError(f'ERROR! UNKNOWN FORMTYPE {choice} in ExternView')
            self.choice = choice
        else:
            form = super().get_form(step, data, files)
        return form

    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        if hasattr(self, 'choice'):
            context["choice"] = TYPE_CHOICES[self.choice]
        return context

    def done(self, form_list, **kwargs):
        print('ExternView.done() reached')
        # gather data from all forms
        data = {}
        for form in form_list:
            data = {**data, **form.cleaned_data}

        if data['choice'] == 'LIT':
            if data['selfbuy'] == 'TRUE':
                data['selfbuy_give_data'] = 'False'

        # write data to database
        modell = form.save(commit=False)
        # we have to copy the data from the first form here
        # this is a bit ugly code. can we copy this without explicit writing?

        if data['choice'] == 'LIT':
            modell.selfbuy_give_data = data['selfbuy_give_data']

        if user := self.request.session.get('user'):
            modell.username = user['username']

        modell.realname = data['realname']
        modell.email = data['email']
        # write type of form in some cases
        if data['choice'] in ('BIB', 'ELIT', 'SOFT'):
            modell.type = data['choice']

        form.save()

        # add some data to context for mail templates
        data['pk'] = modell.pk
        data['url_prefix'] = settings.EMAIL_URL_PREFIX
        data['grant'] = ('LIT', 'SOFT', 'ELIT', 'BIB', 'IFG')
        data['DOMAIN'] = ('MAIL', 'LIST')
        data['typestring'] = TYPE_CHOICES[data['choice']]

        # we need to send the following mails here:
        context = { 'data': data }
        try:
            #  - mail with entered data to the Volunteer

            txt_mail_template1 = get_template('input/ifg_volunteer_mail.txt')
            html_mail_template1 = get_template('input/ifg_volunteer_mail.html')

            subject1, from_email1, to1 = 'Formular ausgefüllt', settings.IF_EMAIL, data['email']
            text_content1 = txt_mail_template1.render(context)
            html_content1 = html_mail_template1.render(context)
            msg1 = EmailMultiAlternatives(subject1, text_content1, from_email1, [to1])
            msg1.attach_alternative(html_content1, "text/html")
            msg1.send()
            #print('ifg volunteer mail would have been sent')
            #send_mail(
            #    'Formular ausgefüllt',
            #    txt_mail_template1.render(context),
            #    IF_EMAIL,
            #    [data['email']],
            #    fail_silently=False)
            ##  - mail to IF with link to accept/decline

            txt_mail_template = get_template('input/if_mail.txt')
            html_mail_template = get_template('input/if_mail.html')

            subject, from_email, to = 'Formular ausgefüllt', settings.IF_EMAIL, settings.IF_EMAIL
            text_content = txt_mail_template.render(context)
            html_content = html_mail_template.render(context)
            msg2 = EmailMultiAlternatives(subject, text_content, from_email, [to])
            msg2.attach_alternative(html_content, "text/html")
            msg2.send()
            #print('if mail would have been sent')
            #send_mail(
            #    'Formular ausgefüllt',
            #    txt_mail_template.render(context),
            #    IF_EMAIL,
            #    [IF_EMAIL],
            #    fail_silently=False)
            ## raise SMTPException("testing pupose only")

        except BadHeaderError:
            modell.delete()
            return HttpResponse('Invalid header found. Data not saved!')
        except SMTPException:
            modell.delete()
            return HttpResponse('Error in sending mails (probably wrong adress?). Data not saved!')


        return done(self.request)