nk20/apps/food/views.py

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# Copyright (C) 2018-2024 by BDE ENS Paris-Saclay
# SPDX-License-Identifier: GPL-3.0-or-later
from datetime import timedelta
from django.db import transaction
from django.contrib.auth.mixins import LoginRequiredMixin
from django.http import HttpResponseRedirect
from django.urls import reverse
from django.utils.translation import gettext_lazy as _
from django.utils import timezone
from django.views.generic import DetailView, UpdateView, TemplateView
from permission.views import ProtectQuerysetMixin, ProtectedCreateView
from .forms import BasicFoodForms, TransformedFoodForms
from .models import BasicFood, Food, QRCode, TransformedFood
class QRCodeView(ProtectQuerysetMixin, LoginRequiredMixin, DetailView):
"""
A view to add a basic food
"""
model = QRCode
extra_context = {"title": _("Add a new meal")}
context_object_name = "qrcode"
slug_field = "qr_code_number"
def get(self, *args, **kwargs):
qrcode = kwargs["slug"]
if self.model.objects.filter(qr_code_number=qrcode).count() > 0:
return super().get(*args, **kwargs)
else:
return HttpResponseRedirect(reverse("food:qrcode_create", kwargs=kwargs))
class QRCodeCreateView(ProtectQuerysetMixin, LoginRequiredMixin, TemplateView):
"""
A view to add a basic food
"""
template_name = 'food/create_qrcode_form.html'
extra_context = {"title": _("Add a new aliment")}
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
context["slug"] = kwargs["slug"]
return context
class FoodView(ProtectQuerysetMixin, LoginRequiredMixin, DetailView):
"""
A view to add a basic food
"""
model = Food
extra_context = {"title": _("Add a new meal")}
context_object_name = "food"
class FoodCreateView(ProtectQuerysetMixin, LoginRequiredMixin, TemplateView):
"""
A view to add a basic food
"""
template_name = 'food/create_food_form.html'
extra_context = {"title": _("Add a new aliment")}
class BasicFoodFormView(ProtectQuerysetMixin):
#####################################################################
# TO DO
# - fix picture save
# - implement solution crop and convert image (reuse or recode ImageForm from members apps)
#####################################################################
"""
A view to add a basic food
"""
model = BasicFood
form_class = BasicFoodForms
template_name = 'food/basic_food_form.html'
extra_context = {"title": _("Add a new aliment")}
@transaction.atomic
def form_valid(self, form):
form.instance.creater = self.request.user
basic_food_form = BasicFoodForms(data=self.request.POST)
if not basic_food_form.is_valid():
return self.form_invalid(form)
# Save the aliment and the allergens associed
basic_food = form.save(commit=False)
# We assume the date of labeling and the same as the date of arrival
basic_food.arrival_date = timezone.now()
basic_food._force_save = True
basic_food.save()
basic_food.refresh_from_db()
return super().form_valid(form)
def get_success_url(self, **kwargs):
self.object.refresh_from_db()
return reverse('food:food_view', kwargs={"pk": self.object.pk})
class BasicFoodUpdateView(BasicFoodFormView, LoginRequiredMixin, UpdateView):
pass
class BasicFoodCreateView(BasicFoodFormView, ProtectedCreateView):
def get_sample_object(self):
return BasicFood(
name="",
expiry_date=timezone.now(),
)
class QRCodeBasicFoodCreateView(ProtectQuerysetMixin, ProtectedCreateView):
#####################################################################
# TO DO
# - fix picture save
# - implement solution crop and convert image (reuse or recode ImageForm from members apps)
#####################################################################
"""
A view to add a basic food
"""
model = BasicFood
form_class = BasicFoodForms
template_name = 'food/basic_food_form.html'
extra_context = {"title": _("Add a new aliment")}
@transaction.atomic
def form_valid(self, form):
form.instance.creater = self.request.user
basic_food_form = BasicFoodForms(data=self.request.POST)
if not basic_food_form.is_valid():
return self.form_invalid(form)
# Save the aliment and the allergens associed
basic_food = form.save(commit=False)
# We assume the date of labeling and the same as the date of arrival
basic_food.arrival_date = timezone.now()
basic_food._force_save = True
basic_food.save()
basic_food.refresh_from_db()
qrcode = QRCode()
qrcode.qr_code_number = self.kwargs['slug']
qrcode.food_container = basic_food
qrcode.save()
return super().form_valid(form)
def get_success_url(self, **kwargs):
self.object.refresh_from_db()
return reverse('food:food_view', kwargs={"pk": self.object.pk})
def get_sample_object(self):
return BasicFood(
name="",
expiry_date=timezone.now(),
)
class TransformedFoodFormView(ProtectQuerysetMixin):
#####################################################################
# TO DO
# - fix picture save
# - implement solution crop and convert image (reuse or recode ImageForm from members apps)
#####################################################################
"""
A view to add a tranformed food
"""
model = TransformedFood
template_name = 'food/transformed_food_form.html'
form_class = TransformedFoodForms
extra_context = {"title": _("Add a new meal")}
@transaction.atomic
def form_valid(self, form):
form.instance.creater = self.request.user
transformed_food_form = TransformedFoodForms(data=self.request.POST)
if not transformed_food_form.is_valid():
return self.form_invalid(form)
# Save the aliment and allergens associated
transformed_food = form.save(commit=False)
# Without microbiological analyzes, the storage time is 3 days
transformed_food.expiry_date = transformed_food.creation_date + timedelta(days=3)
transformed_food._force_save = True
transformed_food.save()
transformed_food.refresh_from_db()
return super().form_valid(form)
def get_success_url(self, **kwargs):
self.object.refresh_from_db()
return reverse('food:food_view', kwargs={"pk": self.object.pk})
class TransformedFoodUpdateView(TransformedFoodFormView, LoginRequiredMixin, UpdateView):
pass
class TransformedFoodCreateView(TransformedFoodFormView, ProtectedCreateView):
def get_sample_object(self):
return TransformedFood(
name="",
creation_date=timezone.now(),
)
class QRCodeTransformedFoodCreateView(ProtectQuerysetMixin, ProtectedCreateView):
#####################################################################
# TO DO
# - fix picture save
# - implement solution crop and convert image (reuse or recode ImageForm from members apps)
#####################################################################
"""
A view to add a basic food
"""
model = TransformedFood
template_name = 'food/transformed_food_form.html'
form_class = TransformedFoodForms
extra_context = {"title": _("Add a new meal")}
@transaction.atomic
def form_valid(self, form):
form.instance.creater = self.request.user
transformed_food_form = TransformedFoodForms(data=self.request.POST)
if not transformed_food_form.is_valid():
return self.form_invalid(form)
# Save the aliment and allergens associated
transformed_food = form.save(commit=False)
# Without microbiological analyzes, the storage time is 3 days
transformed_food.expiry_date = transformed_food.creation_date + timedelta(days=3)
transformed_food._force_save = True
transformed_food.save()
transformed_food.refresh_from_db()
qrcode = QRCode()
qrcode.qr_code_number = self.kwargs['slug']
qrcode.food_container = transformed_food
qrcode.save()
return super().form_valid(form)
def get_success_url(self, **kwargs):
self.object.refresh_from_db()
return reverse('food:food_view', kwargs={"pk": self.object.pk})
def get_sample_object(self):
return BasicFood(
name="",
expiry_date=timezone.now(),
)