def title_author(request):
"""
This view handles AJAX requests to asynchronously update the
Title and Author information on the viewer page.
"""
w = int(request.GET["wit_id"])
ms_title, = get_rel(w, "is_exemplar_of")
ms_author, = get_rel(w, "was_created_by")
data = {"title": ms_title, "author": ms_author}
return HttpResponse(dumps(data), mimetype="text/json")
def manuscript(request, ms_id):
"""The view for displaying a specific manuscript."""
if request.user.is_anonymous():
u = User.objects.get(pk=-1) # select the "AnonymousUser" object
else:
u = request.user
# We break the response down into a couple steps here.
# First, check the number of manuscripts groups they have permissions to. This is just to
# be able to exit with a 404 if they're trying to access a manuscript in a group that doesn't exist.
# Then, we check against the manuscripts themselves. This allows us to catch the user and redirect them
# to a log in page if they need to log in to see the MSS.
manuscript_groups = get_objects_for_user(u, "imageserve.view_manuscript_group")
manuscripts = Manuscript.objects.filter(manuscriptgroup__in=manuscript_groups).distinct()
if not manuscripts.exists():
raise Http404
has_permission = manuscripts.filter(id=ms_id)
if manuscripts and not has_permission.exists():
return redirect("/login/?next={0}".format(request.path))
m = has_permission[0]
curr_wit = request.GET.get("curr_wit")
try:
curr_wit = int(curr_wit)
except (ValueError, TypeError):
curr_wit = -1
# witnesses = None
titles = None
ismi_data = False
wits = PageNotAnInteger
if m.ismi_id is not None:
codex_title = get_name(get_by_ismi_id(m.ismi_id))
ismi_data = True
wits = m.witnesses
if wits:
if not curr_wit in wits:
curr_wit = -1
titles = [(w, get_rel(w, "is_exemplar_of")[0], get_att(w, "folios")) for w in wits]
else:
codex_title = m.directory
data = {
"ms_title": codex_title,
"witnesses": bool(wits),
"divaserve_url": DIVASERVE_URL,
"iipserver_url": IIPSERVER_URL,
"image_root": conf.IMG_DIR,
"curr_wit": curr_wit,
"ms_name": m.directory,
"titles": titles,
"ismi_data": ismi_data,
"ms_id": ms_id,
"ismi_id": m.ismi_id,
"path": quote_plus(request.get_full_path()),
"num_files": m.num_files,
}
return render(request, "templates/diva.html", data)
