def presentation(request, key):
"""Show the presentation page with info, mini preview, comments and other options """
# search the presentation based on its key
p = Presentation.objects.filter(key=key).first()
# if presentation exists
if p is not None:
if p.is_private:
uspr = UserPresentation()
if not uspr.is_allowed(request.user.id, p.id):
raise Http404
rename_form = RenameForm({"name":p.name})
modify_description_form = ModifyDescriptionForm({"description":p.description})
# Load comments from presentation's ID
from main.models import Comment
c = Comment()
comments = c.get_from_presentation(p.id)
# generate comment form
comment_form = CommentForm()
# generate share form
uspr = UserPresentation()
share_formset = uspr.load_share_form(p.id, request.user.id)
# set permissions
is_owner = False
can_edit = False
# check if the user is logged
if request.user.username:
# check if the user is the owner of the presentation
if UserPresentation.objects.filter(user_id=request.user.id, presentation_id=p.id, is_owner=True).exists():
is_owner = True
# check if the user can edit the presentation
if UserPresentation.objects.filter(user_id=request.user.id, presentation_id=p.id, can_edit=True).exists():
can_edit = True
# show the presentation page
return render_to_response("presentation.html", {
"presentation": p,
"rename_form": rename_form,
"modify_description_form": modify_description_form,
"share_formset": share_formset,
"comment_form": comment_form,
"comments": comments,
"view_url": request.get_host() + reverse("main.views.presentations.view", args=[key]),
"is_owner": is_owner,
"can_edit": can_edit,
}, context_instance=RequestContext(request))
else:
# show error 404 page
raise Http404
def edit(request, key=None):
"""Open the presentation editor screen"""
template_data = {}
if not key:
template_data["is_anonymous"] = True
else:
try:
p = Presentation.objects.get(key=key)
# check if user is allowed to edit this presentation
if UserPresentation.objects.filter(user_id=request.user.id, presentation_id=p.id, can_edit=1).exists():
# get user data
user_data = {
"username": request.user.username,
"first_name": request.user.first_name,
"last_name": request.user.last_name,
}
# generate share form
uspr = UserPresentation()
share_formset = uspr.load_share_form(p.id, request.user.id)
template_data["presentation"] = p
template_data["is_anonymous"] = False
template_data["user_data"] = user_data
template_data["share_formset"] = share_formset
template_data["NODEJS_URL"] = settings.NODEJS_URL
else:
raise ObjectDoesNotExist
except ObjectDoesNotExist:
return HttpResponseRedirect("/")
# show the editor page
return render_to_response("edit.html", template_data, context_instance=RequestContext(request))
