manuels-scolaires/manuels/views.py

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from django.contrib import messages
from django.shortcuts import get_object_or_404, redirect
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from django.urls import reverse
from django.views.generic import CreateView, ListView
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from manuels.forms import AddBookForm, AddSuppliesForm
from manuels.models import Teacher, Book, SuppliesRequirement
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import logging
logger = logging.getLogger(__name__)
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class HomePageView(CreateView):
model = Teacher
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fields = '__all__'
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template_name = 'manuels/home_page.html'
def get(self, request, *args, **kwargs):
teacher_pk = request.session.get('teacher_pk')
if teacher_pk:
return redirect('list_books', pk=teacher_pk)
return super().get(request, *args, **kwargs)
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def form_valid(self, form):
response = super().form_valid(form)
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self.object.send_link(self.request)
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return response
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class BaseTeacherView:
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teacher = None
def dispatch(self, request, *args, **kwargs):
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self.teacher = get_object_or_404(Teacher, pk=self.kwargs['pk'])
request.session['teacher_pk'] = str(self.teacher.pk)
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return super().dispatch(request, *args, **kwargs)
def get_context_data(self, **kwargs):
context = super().get_context_data()
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context['teacher'] = self.teacher
return context
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class ListBooksView(BaseTeacherView, ListView):
model = Book
template_name = 'manuels/list_books_supplies.html'
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context_object_name = 'books'
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
context['supplies'] = SuppliesRequirement.objects.filter(teacher=self.teacher)
return context
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def get_queryset(self):
return Book.objects.filter(teacher=self.teacher)
class AddItemView(BaseTeacherView, CreateView):
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add_another = False
item_text = None
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item_text_plural = None
success_target = None
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
context['item'] = self.item_text
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context['item_plural'] = self.item_text_plural
return context
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def get_initial(self):
return {
'teacher': self.teacher
}
def get_form(self, form_class=None):
form = super().get_form(form_class)
form.fields['teacher'].queryset = Teacher.objects.filter(pk=self.teacher.pk)
return form
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def form_valid(self, form):
self.add_another = form.cleaned_data['add_another']
return super().form_valid(form)
def get_success_url(self):
messages.success(self.request, f'"{self.object}" a été ajouté.')
if self.add_another:
return reverse(self.success_target, args=[str(self.teacher.pk)])
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else:
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return reverse('list_books', args=[str(self.teacher.pk)])
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class AddBookView(AddItemView):
model = Book
template_name = 'manuels/add_item.html'
form_class = AddBookForm
success_target = 'add_book'
item_text = 'un livre'
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item_text_plural = 'livres'
class AddSuppliesView(AddItemView):
model = SuppliesRequirement
template_name = 'manuels/add_item.html'
form_class = AddSuppliesForm
success_target = 'add_supplies'
item_text = 'des fournitures'
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item_text_plural = 'fournitures'
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def clear_teacher_view(request):
if request.session['teacher_pk']:
del request.session['teacher_pk']
return redirect('home_page')