def delete_letter(request, id):
data = {}
letter = Letter.objects.get(id=id)
if not request.user in letter.owners.all():
messages.error(request, _(u"Zugriff verweigert!"))
return redirect_to_prev_page(request)
letter.delete()
messages.success(request, _(u"Brief gelöscht!"))
return redirect_to_prev_page(request)
def edit_letter(request, id):
data = {}
letter = Letter.objects.get(id=id)
if not request.user in letter.owners.all():
messages.error(request, _(u"Zugriff verweigert!"))
return redirect_to_prev_page(request)
if not request.method == 'POST':
letter_form = LetterForm(instance=letter)
else:
letter_form = LetterForm(request.POST, instance=letter)
if letter_form.is_valid():
letter = letter_form.save()
messages.success(request, _(u"Brief erfolgreich bearbeitet."))
return redirect(letter)
else:
messages.error(request, _(u"Es gibt noch Fehler im Formular."))
helper = FormHelper()
helper.form_id = "foobar"
helper.form_class = "search"
submit = Submit("send", _(u"Speichern"))
helper.add_input(submit)
reset = Submit("reset", _(u"Zurücksetzen"))
helper.add_input(reset)
data['form'] = letter_form
data['helper'] = helper
data.update(csrf(request))
return render_to_response("lettr/edit_letter.html", data, context_instance=RequestContext(request))
def login(request):
data = {}
if not ('username' in request.POST and 'password' in request.POST):
messages.error(request, _(u"Login fehlgeschlagen: Kein Username und/oder Passwort übermittelt."))
return redirect_to_prev_page(request)
username = request.POST['username']
password = request.POST['password']
user = authenticate(username=username, password=password)
if user is not None:
if user.is_active:
django_login(request, user)
messages.success(request, _(u"Login erfolgreich!"))
else:
messages.error(request, _(u"Benutzer ist inaktiv!"))
else:
messages.error(request, _(u"Falsches Passwort!"))
return redirect_to_prev_page(request)
def show_letter(request, id):
data = {}
letter = Letter.objects.get(id=id)
data['letter'] = letter
if not request.user in letter.owners.all():
messages.error(request, _(u"Zugriff verweigert!"))
return redirect_to_prev_page(request)
return render_to_response("lettr/show_letter.html", data, context_instance=RequestContext(request))
def generate_gbrief_png(request, id):
data = {}
data['letter'] = Letter.objects.get(id=id)
if not request.user in data['letter'].owners.all():
messages.error(request, _(u"Zugriff verweigert!"))
return redirect_to_prev_page(request)
# Create the HttpResponse object with the appropriate PNG headers.
response = HttpResponse(mimetype='image/png')
response.write(process_latex("lettr/gbrief.tex", data, type="png"))
return response
def generate_gbrief_pdf(request, id):
data = {}
data['letter'] = Letter.objects.get(id=id)
if not request.user in data['letter'].owners.all():
messages.error(request, _(u"Zugriff verweigert!"))
return redirect_to_prev_page(request)
# Create the HttpResponse object with the appropriate PDF headers.
response = HttpResponse(mimetype='application/pdf')
filename = data['letter'].heading.replace(' ', '_').replace(u'ä', 'ae').replace(u"ö", "oe").replace(u'ü', 'ue').replace(u'ß', 'ss').replace(u'Ä', 'AE').replace(u'Ö', 'OE').replace(u'Ü', 'UE').encode('ascii', 'ignore')
response['Content-Disposition'] = 'attachment; filename=%s.pdf' % filename
response.write(process_latex("lettr/gbrief.tex", data))
return response
def generate_gbrief_tex(request, id):
data = {}
data['letter'] = Letter.objects.get(id=id)
if not request.user in data['letter'].owners.all():
messages.error(request, _(u"Zugriff verweigert!"))
return redirect_to_prev_page(request)
# Create the HttpResponse object with the appropriate TeX headers.
response = HttpResponse(mimetype='text/plain')
t = loader.get_template("lettr/gbrief.tex")
r = t.render(Context(data))
response.write(r)
return response
def edit_letter_ownership(request, id):
data = {}
letter = Letter.objects.get(id=id)
data['letter'] = letter
if not request.user in letter.owners.all():
messages.error(request, _(u"Zugriff verweigert!"))
return redirect_to_prev_page(request)
if 'add' in request.GET:
try:
user = User.objects.get(username=request.GET['add'])
if user in letter.owners.all():
message.error(request, _(u"Benutzer '%(name)s' ist schon berechtigt." % {'name':user.username}))
else:
ownership = Ownership_Letter.objects.create(owner=user, letter=letter)
messages.success(request, _(u"Benutzer '%(name)s' Rechte gegeben." % {'name':user.username}))
except:
messages.error(request, _(u"Benutzer '%(name)s' nicht gefunden." % {'name':request.GET['add']}))
if 'remove' in request.GET:
try:
user = User.objects.get(username=request.GET['remove'])
if not user in letter.owners.all():
message.error(request, _(u"Benutzer '%(name)s' ist kein Besitzer dieses Briefes." % {'name':user.username}))
else:
ownership = Ownership_Letter.objects.get(owner=user, letter=letter)
ownership.delete()
messages.success(request, _(u"Benutzer '%(name)s' Rechte entzogen." % {'name':user.username}))
except:
messages.error(request, _(u"Benutzer '%(name)s' nicht gefunden." % {'name':request.GET['remove']}))
if request.GET:
return redirect(edit_letter_ownership, id)
data['users'] = [user for user in User.objects.all() if not user in letter.owners.all() and not user == request.user]
data['owners'] = [user for user in letter.owners.all() if not user == request.user]
return render_to_response("lettr/edit_letter_ownership.html", data, context_instance=RequestContext(request))
