I am doing the exercises in chapter 7
<http://www.tangowithdjango.com/book/chapters/forms.html#exercises> and I
have to create an add page link on every category page that would take the
users to a new page on which they can enter name and url to add to certain
category if the category in question is not existing they would be
redirected to the add category page.
so the steps are:
1.Create a new view (the tut gives us this one ready)
def add_page(request, category_name_url):
context = RequestContext(request)
category_name = category_name_url.replace('_',' ')
if request.method == 'POST':
form = PageForm(request.POST)
if form.is_valid():
page = form.save(commit = False)
try:
cat = Category.objects.get(name = category_name)
page.category = cat
except Category.DoesNotExist:
return render_to_response('blog/add_category.html', {} ,
context)
page.views = 0
page.save()
return category(request, category_name_url)
else:
print form.errors
else:
form = PageForm()
return render_to_response('blog/add_page.html', {'category_name_url':
category_name_url, 'category_name': category_name, 'form': form}, context)
2.create a new template
<!DOCTYPE html>
<html>
<head>
<title> Drib </title>
</head>
<body>
<h1>Add Page</h1>
<form id = 'page_form' method = 'post' action = '/blog/add_page/'>
{% csrf_token %}
{%for hidden in forms.hidden_fields%}
{{hidden}}
{%for field in forms.visible_fields%}
{{field}}
{{field.errors}}
{{field.help_text}}
<input type = 'submit' name='Submit' value = "Add Page" />
</form>
</body>
</html>
3.URL Mapping
url(r'^category/(?P<category_name_url>\w+)/add_page/$', views.add_page , name =
'add_page')
4.Create a link from the category page (I am just going to post the link
because there is no point to post the whole file...
<a href="/blog/category/{{category_name_url}}/add_page/"> Add Page</a>
Hints from the tut are :
-Update the category() view to pass category_name_url by inserting it to
the view’s context_dict dictionary - DONE
-Update the category.html with a link to /rango/category//add_page/. Ensure
that the link only appears when the requested category exists - with or
without pages. - I believe i did that in step 4 (not 100 % sure though)
-Update rango/urls.py with a URL mapping to handle the above link.(Step 3 i
believe)
My question is why when clicking on add page and entering the details
needed it doesnt add the page at all its not even doing the is_valid() i
believe because the same function works perfectly when creating
categories(i get a message if the cat is already created or if i leave it
blank) but here it just redirects me and thats all?
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