def new_recipe(request): form = RecipeForm(request.POST or None, files=request.FILES or None) ingredients = get_form_ingredients(request) if form.is_valid() and ingredients: recipe = form.save(commit=False) recipe.author = request.user form.save() passed_tags = request.POST.getlist('tags') for tag_id in passed_tags: tag = get_object_or_404(Tag, id=tag_id) recipe.tags.add(tag) for ing_id, values in ingredients.items(): title, amount, units = values ingredient = Ingredient.objects.get_or_create( title=title, dimension=units)[0] new_ingredient = IngredientAmount.objects.get_or_create( ingredient=ingredient, amount=amount)[0] recipe.ingredients.add(new_ingredient) form.save_m2m() return redirect('index') if request.method == 'POST' and not ingredients: form.add_error(None, 'Обязательное поле.') return render( request, template_name='formRecipe.html', context={ 'form': form, } )
def add_recipe(request): """ tags is dictionary with tag as key and bool as value first save recipe for make recipe_id then tags and ingredients """ form = RecipeForm(request.POST or None, files=request.FILES or None) tag_list = ('breakfast', 'lunch', 'dinner') context = {'form': form} if request.method == 'POST': tags = [tag for tag in tag_list if tag in form.data] ingrs_and_amount = parse_ingredients_from_form(form.data) if not tags: form.add_error(None, 'Нужен хотя бы один тэг') if not ingrs_and_amount: form.add_error(None, 'Нужен хотя бы один ингредиент. Лучше два.') if form.is_valid() and tags and ingrs_and_amount: recipe = form.save(commit=False) recipe.author = request.user recipe.save() recipe.tags.add(*tags) for ingr in ingrs_and_amount: IngredientsInRecipe.objects.create(recipe=recipe, **ingr) return redirect('recipe', recipe.id, recipe.slug) context['ingredients'] = ingrs_and_amount return render(request, 'recipes/recipe_form.html', context)
def new_recipe(request): """Создаёт новый рецепт""" if request.method == 'POST': form = RecipeForm(request.POST or None, files=request.FILES or None) ingredients = get_ingredients(request.POST) if not ingredients: form.add_error(None, 'Добавьте ингредиенты из выпадающего списка') if form.is_valid(): recipe_form_save(form, ingredients, request) return redirect('index') else: return render(request, 'formRecipe.html', {'form': form}) return render(request, 'formRecipe.html', {'form': RecipeForm()})
def edit_recipe(request, recipe_id=None, the_slug=None): """ Tags is dictionary with tag as key and bool as value. Check permission and then make form from recipe, and ingredients from query set to append to form. If form contains any data, then for correct update, must delete old data. When update recipe, then update recipe.slug. """ user = request.user recipe = get_object_or_404(Recipe, id=recipe_id) if not (user.is_staff or user == recipe.author): return HttpResponseForbidden tag_list = ('breakfast', 'lunch', 'dinner') form = RecipeForm(request.POST or None, files=request.FILES or None, instance=recipe) instance_ingredients = recipe.ingredients.all() if request.method == 'POST': tags = [tag for tag in tag_list if tag in form.data] ingrs_and_amount = parse_ingredients_from_form(form.data) if not tags: form.add_error(None, 'Нужен хотя бы один тэг') if not ingrs_and_amount: form.add_error(None, 'Нужен хотя бы один ингредиент. Лучше два.') if form.is_valid() and tags and ingrs_and_amount: recipe = form.save(commit=False) recipe.update_slug() recipe.save() recipe.tags.clear() recipe.tags.add(*tags) for ingr in instance_ingredients: ingr.delete() for ingr in ingrs_and_amount: IngredientsInRecipe.objects.create(recipe=recipe, **ingr) return redirect('recipe', recipe.id, recipe.slug) context = { 'form': form, 'recipe': recipe, 'ingredients': instance_ingredients } return render(request, 'recipes/recipe_form.html', context)
def change_recipe(request, recipe_id): recipe = get_object_or_404(Recipe, id=recipe_id) user = request.user author = recipe.author if user != author: return redirect('recipe_view', recipe_id=recipe_id) form = RecipeForm( request.POST or None, files=request.FILES or None, instance=recipe ) ingredients = get_form_ingredients(request) if form.is_valid(): form.save() recipe.ingredients.clear() for ing_id, values in ingredients.items(): title, *specifications = values if specifications: ingredient = Ingredient.objects.get_or_create( title=title, dimension=specifications[1])[0] new_ingredient = IngredientAmount.objects.get_or_create( ingredient=ingredient, amount=specifications[0])[0] else: new_ingredient = IngredientAmount.objects.get_or_create( id=ing_id)[0] recipe.ingredients.add(new_ingredient) return redirect('recipe_view', recipe_id=recipe_id) if request.method == 'POST' and not ingredients: form.add_error(None, 'Обязательное поле.') recipe_tags = recipe.tags.all() ingredients = recipe.ingredients.all() return render(request, 'formChangeRecipe.html', { 'form': form, 'recipe': recipe, 'ingredients': ingredients, 'recipe_tags': recipe_tags })