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# -*- coding: utf-8 -*-
from collections import defaultdict
from datetime import date

from dateutil.relativedelta import relativedelta

from django.http import HttpResponseRedirect, Http404
from django.db.models import Q
from django.contrib.auth.models import User
from django.contrib import messages

from calebasse import cbv, models as cb_models
from calebasse.ressources.models import Service

from calebasse.decorators import super_user_only

import forms
import models


FILTER_CRITERIA = (
'username',
'first_name',
'last_name',
'email',
'userworker__worker__display_name',
)

class AccessView(cbv.ListView):
model = User
template_name = 'personnes/acces.html'

def get_queryset(self):
qs = super(AccessView, self).get_queryset()
identifier = self.request.GET.get('identifier')
if identifier:
for part in identifier.split():
filters = []
for criteria in FILTER_CRITERIA:
q = Q(**{criteria+'__contains': part})
filters.append(q)
qs = qs.filter(reduce(Q.__or__, filters))
qs = qs.prefetch_related('userworker__worker')
return qs

def get_context_data(self, **kwargs):
ctx = super(AccessView, self).get_context_data(**kwargs)
ctx['active_list'] = ctx['object_list'].filter(is_active=True)
ctx['inactive_list'] = ctx['object_list'].filter(is_active=False)
return ctx


class AccessUpdateView(cbv.ServiceFormMixin, cbv.UpdateView):
model = User
template_name = 'personnes/acces-update.html'
form_class = forms.UserForm
success_url = '../'


class WorkerView(cbv.ListView):
model = models.Worker
template_name = 'personnes/workers.html'

def get_form(self):
return forms.WorkerSearchForm(data=self.request.GET or None)

def get_queryset(self):
qs = super(WorkerView, self).get_queryset()
qs = qs.select_related()
qs = qs.prefetch_related('services')
form = self.get_form()
if form.is_valid():
cleaned_data = form.cleaned_data
last_name = cleaned_data.get('last_name')
first_name = cleaned_data.get('first_name')
profession = cleaned_data.get('profession')
intervene_status = cleaned_data.get('intervene_status')
if last_name:
qs = qs.filter(last_name__icontains=last_name)
if first_name:
qs = qs.filter(first_name__icontains=first_name)
if profession:
qs = qs.filter(type=profession)
if intervene_status and 0 < len(intervene_status) < 2:
qs = qs.filter(enabled=intervene_status[0] == 'a')
else:
# only display current workers by default
qs = qs.filter(enabled=True)
today = date.today()
if models.Holiday.objects.for_service(self.service).future() \
.filter(start_date__lte=today).exists():
for worker in qs:
worker.holiday = True
else:
qs2 = models.Holiday.objects.today()
worker_dict = dict(((w.id, w) for w in qs))
for worker in qs:
worker.holiday = False
for holiday in qs2:
if holiday.worker.id in worker_dict:
worker_dict[holiday.worker.id].holiday = True
return qs

def get_context_data(self, **kwargs):
ctx = super(WorkerView, self).get_context_data(**kwargs)
ctx['search_form'] = self.get_form()
return ctx

homepage = cbv.TemplateView.as_view(template_name='personnes/index.html')


user_listing = super_user_only(AccessView.as_view())


class UserCreateView(cbv.ServiceFormMixin, cbv.CreateView):
model=User
success_url='../'
form_class=forms.UserForm
template_name='calebasse/simple-form.html'
template_name_suffix='_new.html'


user_new = super_user_only(UserCreateView.as_view())
user_update = super_user_only(AccessUpdateView.as_view())
user_delete = super_user_only(cbv.DeleteView.as_view(model=User))


class WorkerUpdateView(cbv.MultiUpdateView):
model = models.Worker
forms_classes = {
'id': forms.WorkerIdForm,
'services': forms.WorkerServiceForm
}
template_name = 'personnes/worker_update.html'
success_url = './'

def get_context_data(self, **kwargs):
ctx = super(WorkerUpdateView, self).get_context_data(**kwargs)
_timetables = defaultdict(lambda: [])
for timetable in self.object.timetable_set.order_by('start_time'):
_timetables[timetable.weekday].append(timetable)
timetable = []
for weekday, name in models.TimeTable.WEEKDAYS:
timetable.append({
'weekday': name,
'schedules': _timetables[weekday]})
ctx['weekdays'] = list(models.TimeTable.WEEKDAYS)
ctx['timetables'] = timetable
ctx['holidays'] = models.Holiday.objects \
.for_worker(self.object) \
.future() \
.order_by('start_date')
try:
holiday = models.Holiday.objects \
.for_worker(self.object) \
.today()[0]
except IndexError:
holiday = None
ctx['holiday'] = holiday
return ctx

def form_valid(self, form):
messages.add_message(self.request, messages.INFO, u'Modification enregistrée avec succès.')
return super(WorkerUpdateView, self).form_valid(form)


class WorkerScheduleUpdateView(cbv.UpdateView):
model = models.Worker
form_class = forms.TimetableFormSet
success_url = '../'
template_name = 'personnes/worker_schedule_update.html'

def get_form_kwargs(self):
kwargs = super(WorkerScheduleUpdateView, self).get_form_kwargs()
kwargs['queryset'] = models.TimeTable.objects.filter(weekday=self.weekday).prefetch_related('services')
kwargs['initial'] = [{ 'services': Service.objects.all().values_list('pk', flat=True) }] * 3
return kwargs

def get_context_data(self, **kwargs):
ctx = super(WorkerScheduleUpdateView, self).get_context_data(**kwargs)
ctx['weekday'] = models.TimeTable.WEEKDAYS[self.weekday][1]
return ctx

def dispatch(self, *args, **kwargs):
self.weekday = int(kwargs['weekday'])
if self.weekday > 6:
raise Http404()
return super(WorkerScheduleUpdateView, self).dispatch(*args, **kwargs)

def form_valid(self, form):
instances = form.save(commit=False)
for instance in instances:
instance.weekday = self.weekday
instance.save()
form.save_m2m()
return HttpResponseRedirect('')


class WorkerHolidaysUpdateView(cbv.UpdateView):
model = models.Worker
form_class = forms.HolidayFormSet
success_url = '../'
template_name = 'personnes/worker_holidays_update.html'

def get_success_url(self):
return self.success_url


worker_listing = WorkerView.as_view()
worker_new = cbv.CreateView.as_view(model=models.Worker,
template_name='calebasse/simple-form.html',
success_url='../')
worker_update = WorkerUpdateView.as_view()
worker_schedule_update = WorkerScheduleUpdateView.as_view()
worker_holidays_update = WorkerHolidaysUpdateView.as_view()
worker_delete = cbv.DeleteView.as_view(model=models.Worker,
template_name='calebasse/simple-form.html',
success_url='../')


class HolidayView(cbv.TemplateView):
months = 3
template_name='personnes/holidays.html'

def get_form(self):
return forms.HolidaySearchForm(data=self.request.GET)

def get_context_data(self, **kwargs):
ctx = super(HolidayView, self).get_context_data(**kwargs)
end_date = date.today() + relativedelta(months=self.months)
qs = models.Holiday.objects.future().select_related('worker')
today = date.today()
future_qs = qs.for_period(today, end_date).select_related('worker')
group_qs = models.Holiday.objects.for_service(self.service).select_related()
current_qs = qs.today()
form = self.get_form()
if form.is_valid() and form.cleaned_data.get('start_date'):
cleaned_data = form.cleaned_data
start_date = cleaned_data['start_date']
end_date = cleaned_data['end_date']
future_qs = models.Holiday.objects \
.for_period(start_date, end_date) \
.for_service_workers(self.service)
group_qs = group_qs.for_period(start_date, end_date)
current_qs = []
ctx['end_date'] = end_date
ctx['current_holidays'] = current_qs
future_holidays = defaultdict(lambda:[])
for holiday in future_qs:
key = (holiday.start_date.year, holiday.start_date.month, holiday.start_date.strftime('%B'))
future_holidays[key].append(holiday)
ctx['future_holidays'] = [ {
'date': date(day=1, month=key[1], year=key[0]),
'holidays': future_holidays[key]
} for key in sorted(future_holidays.keys()) ]
ctx['group_holidays'] = group_qs.order_by('-start_date')
ctx['search_form'] = form
return ctx


holiday_listing = HolidayView.as_view()


class GroupHolidayUpdateView(cbv.FormView):
form_class = forms.GroupHolidayFormSet
template_name = 'personnes/group_holiday_update.html'
success_url = '.'

def get_form_kwargs(self):
kwargs = super(GroupHolidayUpdateView, self).get_form_kwargs()
qs = models.Holiday.objects.for_service(self.service)
kwargs['queryset'] = qs
kwargs['service'] = self.service
return kwargs

def form_valid(self, form):
form.save()
return super(GroupHolidayUpdateView, self).form_valid(form)


group_holiday_update = GroupHolidayUpdateView.as_view()
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