nk20/apps/food/views.py

# Copyright (C) 2018-2024 by BDE ENS Paris-Saclay
# SPDX-License-Identifier: GPL-3.0-or-later
'''
from crispy_forms.helper import FormHelper
from django.contrib.auth.mixins import LoginRequiredMixin
from django.core.exceptions import ValidationError, PermissionDenied
from django.db.models import Q
from django.forms import Form
from django.http import HttpResponse
from django.shortcuts import redirect
'''
from django.urls import reverse_lazy
from django.db import transaction
from django.utils.translation import gettext_lazy as _
from django.utils import timezone
from datetime import timedelta
'''
from django.views.generic import UpdateView, DetailView
from django.views.generic.base import View, TemplateView
from django.views.generic.edit import BaseFormView, DeleteView
from django_tables2 import SingleTableView
'''
from permission.views import ProtectQuerysetMixin, ProtectedCreateView

from django.shortcuts import render

from .forms import BasicFoodForms, TransformedFoodForms, AllergenForms
from .models import BasicFood, TransformedFood, Allergen

def test_basic_foodform(request):
    return render(request,'food/test.html', {"form": BasicFoodForms()})

def test_transformed_foodform(request):
    return render(request,'food/transformed_food_form.html', {"form": TransformedFoodForms()})

def test_allergenform(request):
    return render(request,'food/test.html', {"form": AllergenForms()})


class BasicFoodCreateView(ProtectQuerysetMixin, ProtectedCreateView):
    """
    A view to add a basic food
    """
    model = BasicFood
    form_class = BasicFoodForms
    template_name = 'food/basic_food_form.html'
    second_form = AllergenForms
    extra_context = {"title": _("Add a new aliment")}
    
    def get_sample_object(self):
        return Allergen(
            groundnut = "False",
        )
        '''
        return BasicFood(
            name="",
            is_DLC=False,
            is_DDM=False,
            expiry_date=timezone.now(),
            label='pic/default.png',
        )
        '''
    
    @transaction.atomic
    def form_valid(self, form):
        form.instance.creater = self.request.user
        basic_food_form = BasicFoodForms(data=self.request.POST)
        allergen_form = AllergenForms(data=self.request.POST)
        if not basic_food_form.is_valid() or not allergen_form.is_valid():
            return self.form_invalid(form)

        # Save the aliment and the allergens associed
        basic_food = form.save(commit=False)
        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_lazy('food:basicfood', kwargs={"pk": self.object.pk})
        return '0'

class TransformedFoodCreateView(ProtectQuerysetMixin, ProtectedCreateView):
    """
    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")}
    
    def get_sample_object(self):
        return TransformedFood(
            name="",
            creation_date=timezone.now(),
        )
    
    @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 microbiologic analysis, the time of conservation 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_lazy('food:tranformed_food', kwargs={"pk": self.object.pk})
        return '1'