def edit_homework(request, subject_name, homework_id):
"""
This view displays a form to edit a homework resp.
saves a homework using the form data.
"""
homework = get_homework_or_404(subject_name, homework_id)
# Check if a `next_view` was specified in POST data
# (e.g. when clicking "edit" from a single displayed homework)
if 'next_view' in request.POST.keys():
next_view = request.POST['next_view']
else:
next_view = False
if not request.POST or len(request.POST) == 3:
form = HomeworkForm(instance=homework)
else:
form = HomeworkForm(request.POST)
if form.is_valid():
homework.short_description = form.cleaned_data['short_description']
homework.long_description = form.cleaned_data['long_description']
homework.date_ends = form.cleaned_data['date_ends']
homework.subject = form.cleaned_data['subject']
homework.save()
request.user.message_set.create(message="Your homework was saved.")
if next_view:
return HttpResponseRedirect(reverse(next_view,
args=[homework.subject.name, homework.id]))
else:
return HttpResponseRedirect(reverse('hw_list_all'))
data = {
'form': form,
'new': False,
'homework': homework,
'next_view': next_view
}
return render_to_response(
'homeworkmanager/edit.html',
data,
context_instance = RequestContext(request),
)
def show_homework(request, subject_name, homework_id, form=False):
"""This view shows a single homework and all its comments."""
homework = get_homework_or_404(subject_name, homework_id)
# Create a comment form if it's not given (via the `add_comment` view)
if not form:
form = HomeworkCommentForm()
data = {
'homework': homework,
'form': form
}
return render_to_response(
'homeworkmanager/show.html',
data,
context_instance = RequestContext(request),
)
def add_comment(request, subject_name, homework_id):
"""This view creates a comment on the given homework (subject name, id)."""
homework = get_homework_or_404(subject_name, homework_id)
form = HomeworkCommentForm(request.POST or None)
if form.is_valid():
comment = form.save(commit=False)
comment.user = request.user
comment.homework = homework
comment.save()
request.user.message_set.create(message="Comment was created.")
return HttpResponseRedirect(
reverse('hw_show', args=[
subject_name,
homework_id
]) + '#comments'
)
return show_homework(request, subject_name, homework_id, form)
