I am building a Create a Recipe form using crispy forms and I am trying to use a datalist input field for users to enter their own ingredients, like 'Big Tomato' or select from GlobalIngredients already in the database like 'tomato' or 'chicken'. However, regardless of whether I enter a new ingredient or select a pre-existing one, I am getting the following error: "Select a valid choice. That choice is not one of the available choices.". How do I fix this error?
Visual:
models.py
class Recipe(models.Model):
user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
websiteURL = models.CharField(max_length=200, blank=True, null=True)
image = models.ImageField(upload_to='image/', blank=True, null=True)
name = models.CharField(max_length=220) # grilled chicken pasta
description = models.TextField(blank=True, null=True)
notes = models.TextField(blank=True, null=True)
serves = models.CharField(max_length=30, blank=True, null=True)
prepTime = models.CharField(max_length=50, blank=True, null=True)
cookTime = models.CharField(max_length=50, blank=True, null=True)
class Ingredient(models.Model):
name = models.CharField(max_length=220)
def __str__(self):
return self.name
class GlobalIngredient(Ingredient):
pass # pre-populated ingredients e.g. salt, sugar, flour, tomato
class UserCreatedIngredient(Ingredient): # ingredients user adds, e.g. Big Tomatoes
user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
class RecipeIngredient(models.Model):
recipe = models.ForeignKey(Recipe, on_delete=models.CASCADE)
ingredient = models.ForeignKey(Ingredient, null=True, on_delete=models.SET_NULL)
description = models.TextField(blank=True, null=True)
quantity = models.CharField(max_length=50, blank=True, null=True) # 400
unit = models.CharField(max_length=50, blank=True, null=True) # pounds, lbs, oz ,grams, etc
forms.py
class RecipeIngredientForm(forms.ModelForm):
def __init__(self, *args, **kwargs):
super(RecipeIngredientForm, self).__init__(*args, **kwargs)
self.helper = FormHelper()
#self.helper.form_id = 'id-entryform'
#self.helper.form_class = 'form-inline'
self.helper.layout = Layout(
Div(
Div(Field("ingredient", placeholder="Chickpeas - only write the ingredient here"), css_class='col-6 col-lg-4'),
Div(Field("quantity", placeholder="2 x 400"), css_class='col-6 col-md-4'),
Div(Field("unit", placeholder="grams"), css_class='col-5 col-md-4'),
Div(Field("description", placeholder="No added salt tins - All other information, chopped, diced, whisked!", rows='3'), css_class='col-12'),
css_class="row",
),
)
class Meta:
model = RecipeIngredient
fields = ['ingredient', 'quantity', 'unit', 'description']
labels = {
'ingredient': "Ingredient",
"quantity:": "Ingredient Quantity",
"unit": "Unit",
"description:": "Ingredient Description"}
widgets={'ingredient': forms.TextInput(attrs={
'class': 'dropdown',
'list' : 'master_ingredients',
'placeholder': "Chickpeas - only write the ingredient here"
})}
views.py
@login_required
def recipe_create_view(request):
ingredient_list = Ingredient.objects.all()
form = RecipeForm(request.POST or None)
# Formset = modelformset_factory(Model, form=ModelForm, extra=0)
RecipeIngredientFormset = formset_factory(RecipeIngredientForm)
formset = RecipeIngredientFormset(request.POST or None)
RecipeInstructionsFormset = formset_factory(RecipeInstructionForm, extra=0)
instructionFormset = RecipeInstructionsFormset(request.POST or None, initial=[{'stepName': "Step 1"}], prefix="instruction")
context = {
"form": form,
"formset": formset,
"instructionFormset": instructionFormset,
"ingredient_list": ingredient_list
}
if request.method == "POST":
print(request.POST)
if form.is_valid() and formset.is_valid() and instructionFormset.is_valid():
parent = form.save(commit=False)
parent.user = request.user
parent.save()
# formset.save()
#recipe ingredients
for form in formset:
child = form.save(commit=False)
print(child.ingredient)
globalIngredient = Ingredient.objects.filter(name=child.ingredient.lower()) # not truly global as this will return user ingredients too
if (globalIngredient):
pass
else:
newIngredient = UserCreatedIngredient(user=request.user, name=child.ingredient.lower())
newIngredient.save()
if form.instance.ingredient.strip() == '':
pass
else:
child.recipe = parent
child.save()
# recipe instructions
for instructionForm in instructionFormset:
instructionChild = instructionForm.save(commit=False)
if instructionForm.instance.instructions.strip() == '':
pass
else:
instructionChild.recipe = parent
instructionChild.save()
context['message'] = 'Data saved.'
return redirect(parent.get_absolute_url())
else:
form = RecipeForm(request.POST or None)
formset = RecipeIngredientFormset()
instructionFormset = RecipeInstructionsFormset()
return render(request, "recipes/create.html", context)
create.html
<!--RECIPE INGREDIENTS-->
{% if formset %}
<h3 class="mt-4 mb-3">Ingredients</h3>
{{ formset.management_form|crispy }}
<div id='ingredient-form-list'>
{% for ingredient in formset %}
<div class='ingredient-form'>
{% crispy ingredient %}
</div>
{% endfor %}
<datalist id="master_ingredients">
{% for k in ingredient_list %}
<option value="{{k.name|title}}"></option>
{% endfor %}
</datalist>
</div>
<div id='empty-form' class='hidden'>
<div class="row mt-4">
<div class="col-6">{{ formset.empty_form.ingredient|as_crispy_field }}</div>
<div class="col-6">{{ formset.empty_form.quantity|as_crispy_field }}</div>
<div class="col-6">{{ formset.empty_form.unit|as_crispy_field }}</div>
<div id="ingredientIdForChanging" style="display: none;"><div class="col-12">{{ formset.empty_form.description|as_crispy_field }}</div><button type="button"
class="btn btn-outline-danger my-2" onclick="myFunction('showDescription')"><i class="bi bi-dash-circle"></i> Hide
Description</button></div><button type="button"
class="btn btn-outline-primary col-5 col-md-3 col-lg-3 col-xl-3 m-2" id="ingredientIdForChanging1"
onclick="myFunction('showDescription')"><i class="bi bi-plus-circle"></i> Add a
Description Field</button>
</div>
</div>
<button class="btn btn-success my-2" id='add-more' type='button'>Add more ingredients</button>
{% endif %}