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So I have the following model :
class Recipe(models.Model):
title = models.CharField(max_length=100)
ingredients = models.TextField(max_length=200,help_text="Put the ingredients required for the recepies here !")
instructions = models.TextField(max_length=500)
posted_on = models.DateTimeField('Posted On')
def __unicode__(self):
return self.title
Now what I want to do is that I have a front-end in html called add.html which has a form like:
<!DOCTYPE html>
<head><title>New Recipe</title></head>
<body>
<h1>Add A new Recipe Here</h1>
<form action="/recipes/add/" method="post">
{% csrf_token %}
<label>ID<label>
<input type="number" name="id"></input><br />
<label>Title </label>
<input type ="text" name="title"><br />
<label>Ingredients</label>
<input type="text" name="ingredients" />
<br />
<label>Instructions </label>
<input type="text" name="instructions" />
...
Here is how I am saving the form using ModelForm:
def add(request):
if request.method == 'POST':
form = RecipeForm(request.POST)
if form.is_valid():
form.save()
#redirect
return HttpResponse("Thank you")
else:
return HttpResponse("Form Not Valid")
else:
form = RecipeForm()
context = Context({'form':form,})
context.update(csrf(request))
template = loader.get_template('myApp/add.html')
return HttpResponse(template.render(context))
When I run this I always get "form Invalid"
So now my problem is, Should the html form add.html have the EXACT mappings as my model Recipe ?
If yes ,then
types in the html form (for posted_on) ? id that is implicitly created by syncdb? I have just started to learn Django
278
1) Change posted_on to automatically add the date posted.
posted_on = models.DateTimeField(auto_now_add=True)
2) Django will handle the pk id creation for you.
3) Why not use a ModelForm for this? Documentation.
class RecipeForm(ModelForm):
class Meta:
model = Recipe
You can either use exclude or include on fields to make sure your form only contains the fields from Recipe that you want to include in your form.
137
models.py
class Recipe(models.Model):
title = models.CharField(max_length=100)
ingredients = models.TextField(max_length=200,help_text="Put the ingredients required for the recepies here !")
instructions = models.TextField(max_length=500)
posted_on = models.DateTimeField(auto_add_now=True)
def __unicode__(self):
return self.title
page.html
<!DOCTYPE html>
<head><title>New Recipe</title></head>
<body>
<h1>Add A new Recipe Here</h1>
<form action="/recipes/add/" method="post">
{% csrf_token %}
{% form.as_p %}
<input type="submit" value="submit">
</form>
</body>
</html>
views.py
from django.contrib import messages
from django.core.urlresolvers import reverse
from django.http import HttpResponseRedirect
from django.shortcuts import render
def add(request):
if request.method == 'POST':
form = RecipeForm(request.POST)
if form.is_valid():
form.save()
return HttpResponseRedirect(reverse('app_name:url'))
else:
messages.error(request, "Error")
return render(request, 'myApp/add.html', {'form': RecipeForm()})
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