gremmie@1: """
gremmie@1: Views for the Shoutbox application.
gremmie@1: """
gremmie@1: 
gremmie@1: import re
gremmie@1: from django.shortcuts import render_to_response
gremmie@1: from django.template import RequestContext
gremmie@1: from django.http import HttpResponse
gremmie@1: from django.http import HttpResponseBadRequest
gremmie@1: from django.http import HttpResponseForbidden
gremmie@1: from django.http import HttpResponseRedirect
gremmie@1: from django.contrib.auth.decorators import login_required
gremmie@1: 
gremmie@1: from core.paginator import DiggPaginator
gremmie@1: from shoutbox.forms import ShoutBoxForm
gremmie@1: from shoutbox.models import Shout
gremmie@1: 
gremmie@1: SHOUTS_PER_PAGE = 10
gremmie@1: 
gremmie@1: @login_required
gremmie@1: def shout(request):
gremmie@1:     if request.method == 'POST':
gremmie@1:         msg = request.POST.get('msg', '').strip()
gremmie@1:         if msg != '':
gremmie@1:             shout = Shout(user=request.user, shout=msg)
gremmie@1:             shout.save()
gremmie@1:             
gremmie@1:     return HttpResponseRedirect(request.META.get('HTTP_REFERER', '/'))
gremmie@1: 
gremmie@1: 
gremmie@1: def view(request, page=1):
gremmie@1:     """This view allows one to view the shoutbox history."""
gremmie@1:     paginator = DiggPaginator(Shout.objects.all(), SHOUTS_PER_PAGE, body=5, tail=3, margin=3, padding=2)
gremmie@1:     try:
gremmie@1:         the_page = paginator.page(int(page))
gremmie@1:     except InvalidPage:
gremmie@1:         raise Http404
gremmie@1: 
gremmie@1:     return render_to_response('shoutbox/view.html', {
gremmie@1:         'page': the_page,
gremmie@1:         },
gremmie@1:         context_instance = RequestContext(request))
gremmie@1:    
gremmie@1: 
gremmie@1: shout_id_re = re.compile(r'shout-(\d+)')
gremmie@1: 
gremmie@1: def text(request):
gremmie@1:     """This view function retrieves the text of a shout; it is used in the in-place
gremmie@1:     editing of shouts on the shoutbox history view."""
gremmie@1:     if request.user.is_authenticated():
gremmie@1:         m = shout_id_re.match(request.GET.get('id', ''))
gremmie@1:         if m is None:
gremmie@1:             return HttpResponseBadRequest()
gremmie@1:         try:
gremmie@1:             shout = Shout.objects.get(pk=m.group(1))
gremmie@1:         except Shout.DoesNotExist:
gremmie@1:             return HttpResponseBadRequest()
gremmie@1:         return HttpResponse(shout.shout)
gremmie@1: 
gremmie@1:     return HttpResponseForbidden()
gremmie@1: 
gremmie@1: 
gremmie@1: def edit(request):
gremmie@1:     """This view accepts a shoutbox edit from the shoutbox history view."""
gremmie@1:     if request.user.is_authenticated():
gremmie@1:         m = shout_id_re.match(request.POST.get('id', ''))
gremmie@1:         if m is None:
gremmie@1:             return HttpResponseBadRequest()
gremmie@1:         try:
gremmie@1:             shout = Shout.objects.get(pk=m.group(1))
gremmie@1:         except Shout.DoesNotExist:
gremmie@1:             return HttpResponseBadRequest()
gremmie@1:         if request.user != shout.user:
gremmie@1:             return HttpResponseForbidden()
gremmie@1:         new_shout = request.POST.get('value', '').strip()
gremmie@1:         if new_shout == '':
gremmie@1:             return HttpResponseBadRequest()
gremmie@1:         shout.shout = new_shout
gremmie@1:         shout.save()
gremmie@1:         return render_to_response('shoutbox/render_shout.html', {
gremmie@1:             'shout': shout,
gremmie@1:             },
gremmie@1:             context_instance = RequestContext(request))
gremmie@1: 
gremmie@1:     return HttpResponseForbidden()
gremmie@1: 
gremmie@1: 
gremmie@1: def delete(request):
gremmie@1:     """This view deletes a shout. It is called by AJAX from the shoutbox history view."""
gremmie@1:     if request.user.is_authenticated():
gremmie@1:         id = request.POST.get('id', None)
gremmie@1:         if id is None or not id.isdigit():
gremmie@1:             return HttpResponseBadRequest()
gremmie@1:         try:
gremmie@1:             shout = Shout.objects.get(pk=id)
gremmie@1:         except Shout.DoesNotExist:
gremmie@1:             return HttpResponseBadRequest()
gremmie@1:         if request.user != shout.user:
gremmie@1:             return HttpResponseForbidden()
gremmie@1:         shout.delete()
gremmie@1:         return HttpResponse(id)
gremmie@1: 
gremmie@1:     return HttpResponseForbidden()