import logging from django.contrib import messages from django.http import HttpResponseRedirect, JsonResponse from django.shortcuts import redirect from django.urls import reverse from django.views.decorators.cache import cache_page from django.views.generic import CreateView, DeleteView, TemplateView, UpdateView from manuels.forms import AddBookForm, AddSuppliesForm, EditBookForm, EditSuppliesForm from manuels.models import Book, CommonSupply, ISBNError, SuppliesRequirement, Teacher logger = logging.getLogger(__name__) class HomePageView(CreateView): model = Teacher fields = ["first_name", "last_name", "phone_number", "email"] 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) def form_valid(self, form): response = super().form_valid(form) self.object.send_link(self.request) return response class BaseTeacherView: teacher = None teacher_field = "pk" def dispatch(self, request, *args, **kwargs): self.teacher = Teacher.objects.filter( pk=self.kwargs[self.teacher_field] ).first() if not self.teacher: messages.warning( request, "Impossible de trouver le coordonnateur demandé. Si vous pensez que ceci est " "une erreur, merci de vous adresser à votre documentaliste.", ) return redirect("clear_teacher") request.session["teacher_pk"] = str(self.teacher.pk) return super().dispatch(request, *args, **kwargs) def get_context_data(self, **kwargs): context = super().get_context_data() context["teacher"] = self.teacher return context class ListBooksView(BaseTeacherView, TemplateView): template_name = "manuels/list_books_supplies.html" class ItemView(BaseTeacherView): add_another = False item_text = None item_text_plural = None success_target = None message_template = None verb = None button_class = "primary" button_icon = "fas fa-check-circle" def dispatch(self, request, *args, **kwargs): response = super().dispatch(request, *args, **kwargs) if self.teacher and self.teacher.has_confirmed_list: messages.error( request, "Vous avez déjà confirmé vos listes. Il n'est plus possible de les modifier.", ) return redirect("list_books", pk=self.teacher.pk) return response def get_context_data(self, **kwargs): context = super().get_context_data(**kwargs) context["item"] = self.item_text context["item_plural"] = self.item_text_plural context["message_template"] = self.message_template context["verb"] = self.verb context["button_class"] = self.button_class context["button_icon"] = self.button_icon return context 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 class AddItemView(ItemView, CreateView): verb = "Ajouter" button_icon = "fas fa-plus-circle" def get_success_url(self): if self.add_another: return reverse(self.success_target, args=[str(self.teacher.pk)]) else: return reverse("list_books", args=[str(self.teacher.pk)]) def form_valid(self, form): self.add_another = form.cleaned_data["add_another"] return HttpResponseRedirect(self.get_success_url()) class BookView: model = Book success_target = "add_book" item_text = "un livre" item_text_plural = "livres" class AddBookView(BookView, AddItemView): form_class = AddBookForm template_name = "manuels/add_book.html" def form_valid(self, form: AddBookForm): for level in form.cleaned_data["levels"]: book = Book.objects.create( teacher=form.cleaned_data["teacher"], level=level, field=form.cleaned_data["field"], title=form.cleaned_data["title"], authors=form.cleaned_data["authors"], editor=form.cleaned_data["editor"], other_editor=form.cleaned_data["other_editor"], publication_year=form.cleaned_data["publication_year"], isbn=form.cleaned_data["isbn"], price=form.cleaned_data["price"], previously_acquired=form.cleaned_data["previously_acquired"], comments=form.cleaned_data["comments"], consumable=form.cleaned_data["consumable"], ) messages.success(self.request, f'"{book}" a été ajouté.') return super().form_valid(form) class SuppliesView: model = SuppliesRequirement success_target = "add_supplies" item_text = "des fournitures" item_text_plural = "fournitures" class AddSuppliesView(SuppliesView, AddItemView): form_class = AddSuppliesForm message_template = "manuels/supplies_message.html" template_name = "manuels/add_supplies.html" def get_context_data(self, **kwargs): context = super().get_context_data(**kwargs) context["common_supplies"] = CommonSupply.objects.all() return context def form_valid(self, form: AddBookForm): for level in form.cleaned_data["levels"]: supplies = SuppliesRequirement.objects.create( teacher=form.cleaned_data["teacher"], level=level, field=form.cleaned_data["field"], supplies=form.cleaned_data["supplies"], ) messages.success(self.request, f'"{supplies}" a été ajouté.') return super().form_valid(form) class EditItemView(ItemView, UpdateView): teacher_field = "teacher_pk" item_text = None item_text_plural = None message_template = None verb = "Modifier" def get_queryset(self): return self.model.objects.filter(teacher=self.teacher) def get_success_url(self): messages.success(self.request, f'"{self.object}" a été modifié.') return reverse("list_books", args=[str(self.teacher.pk)]) class EditBookView(BookView, EditItemView): form_class = EditBookForm template_name = "manuels/add_book.html" class EditSuppliesView(SuppliesView, EditItemView): form_class = EditSuppliesForm template_name = "manuels/add_supplies.html" class DeleteItemView(ItemView, DeleteView): teacher_field = "teacher_pk" item_text = None item_text_plural = None message_template = "manuels/confirm_delete.html" verb = "Supprimer" button_class = "danger" button_icon = "fas fa-trash" template_name = "manuels/add_supplies.html" def get_queryset(self): return self.model.objects.filter(teacher=self.teacher) def get_success_url(self): messages.success(self.request, f'"{self.object}" a été supprimé.') return reverse("list_books", args=[str(self.teacher.pk)]) class DeleteBookView(BookView, DeleteItemView): pass class DeleteSuppliesView(SuppliesView, DeleteItemView): pass def clear_teacher_view(request): if "teacher_pk" in request.session: del request.session["teacher_pk"] return redirect("home_page") class ConfirmTeacherView(BaseTeacherView, UpdateView): model = Teacher fields = [] template_name = "manuels/confirm_teacher.html" def form_valid(self, form): response = super().form_valid(form) self.object.has_confirmed_list = True self.object.save() self.object.send_confirmation(request=self.request) messages.success( self.request, "Vos listes ont été validées. Votre documentaliste a été notifiée par email.", ) return response # We are able to cache the response because it's very unlikely that the details of a book will change through time @cache_page(2 * 60 * 60) def isbn_api(request, isbn): try: return JsonResponse(Book.fetch_from_decitre(isbn)) except ISBNError as e: return JsonResponse(e.data)