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eva/evapp/views.py

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5.0 KiB
Python

from smtplib import SMTPException
import collections
from django.views.generic.edit import CreateView
from django.urls import reverse
from django.http import HttpResponse, HttpResponseRedirect
from django.core.mail import send_mail, BadHeaderError
from django.template.loader import get_template
from formtools.wizard.views import CookieWizardView
from django.shortcuts import render
from .models import Employee, DEPARTMENT_CHOICES, LAPTOP_CHOICES, OS_CHOICES,\
MOBILE_CHOICES, LANG_CHOICES, ACCOUNT_CHOICES, TRANSPONDER_CHOICES
from .forms import PersonalForm, WorkingForm, ITForm, OfficeForm, DummyForm,\
ChangeForm, TYPE_CHOICES
from .settings import MAILS, EVA_MAIL, BASIC_DATA
def success(request):
return HttpResponse("Vielen Dank! Du hast E.V.A. erfolgreich ausgefüllt. Die Mails an die Abteilungen wurden versendet.")
class EvaFormView(CookieWizardView):
template_name = 'evapp/employee_form.html'
form_list = [PersonalForm, WorkingForm, ITForm, OfficeForm, DummyForm]
instance = None
# we need this to display all the data in the last step
def get_context_data(self, form, **kwargs):
context = super().get_context_data(form=form, **kwargs)
if (self.steps.current == 5):
context.update({'data': self.beautify_data(self.get_all_cleaned_data())})
return context
#this makes shure, that we use the same model instance for all steps
def get_form_instance(self,step):
if self.instance == None:
self.instance = Employee()
return self.instance
def done(self, form_list, **kwargs):
print ('INSTANCE_DICT')
print(self.instance_dict)
# save data to database
for form in form_list:
form.save()
# send data to departments
for dep in MAILS:
self.send_mail_to_department(dep)
return HttpResponseRedirect('success')
def get_form(self, step=None, data=None, files=None):
'''this function determines which process aut of E/V/A we will do'''
if step is None:
step = self.steps.current
print ("get_form() step " + step)
form = super().get_form(step, data, files)
if step == '1': # why do we need step 2 here not 1???!
prev_data = self.get_cleaned_data_for_step('0')
choice = prev_data.get('choice')
print(f'choice detection: {TYPE_CHOICES[choice]}')
if choice == 'CHANGE':
print("process choosen: CHANGE")
form = ChangeForm(data)
elif choice == 'OUT':
print("process choosen: OUT")
form = WorkingForm(data)
elif choice == 'IN':
print("process choosen: IN")
form = WorkingForm(data)
else:
raise RuntimeError(f'ERROR! UNKNOWN FORMTYPE {choice} in EvaFormView')
return form
# send a mail to the department with all needed data
def send_mail_to_department(self, department):
'send a mail to the given department with the nececcary notifications'
print(f'send mail to department {department}...')
data = self.get_all_cleaned_data()
# some data should be in every mail
newdata = {k: v for k, v in data.items() if (k in BASIC_DATA)}
# only the relevant data should be in the context
newdata.update({k: v for k, v in data.items() if (k in MAILS[department]['DATA'])})
context = {'data': self.beautify_data(newdata)}
try:
mail_template = get_template(f'evapp/department_mail.txt')
send_mail(
'EVA: Neuzugang',
mail_template.render(context),
EVA_MAIL,
[MAILS[department]['MAIL']],
fail_silently=False)
except BadHeaderError:
self.instance.delete()
return HttpResponse('Invalid header found. Data not saved!')
except SMTPException:
self.instance.delete()
return HttpResponse('Error in sending mails (propably wrong adress?). Data not saved!')
# use long form for contextdata instead of short form if available
#
# ATTENTION!
# This implementation works only for unique keys over all of these dicts from model.py
#
def beautify_data(self, data):
# update values in data dictionary with keys from *_CHOICES if present there
choices = {**DEPARTMENT_CHOICES, **LAPTOP_CHOICES, **TRANSPONDER_CHOICES,
**OS_CHOICES, **MOBILE_CHOICES, **LANG_CHOICES,}
data.update({k:choices[v] for k,v in data.items() \
if isinstance(v,collections.abc.Hashable) \
and v in choices})
# replace values in accounts array from *_CHOICES
if 'accounts' in data:
data['accounts'] = [ACCOUNT_CHOICES[c] for c in data['accounts']]
# replace keys in data dictionary with verbose_name
newdata = {self.instance._meta.get_field(k).verbose_name.title() : v for k,v in data.items()}
return newdata