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1 """
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2 Views for the Shoutbox application.
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3 """
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4
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5 import re
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6 from django.shortcuts import render_to_response
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7 from django.template import RequestContext
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8 from django.http import HttpResponse
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9 from django.http import HttpResponseBadRequest
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10 from django.http import HttpResponseForbidden
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11 from django.http import HttpResponseRedirect
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12 from django.contrib.auth.decorators import login_required
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13
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14 from core.paginator import DiggPaginator
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15 from shoutbox.forms import ShoutBoxForm
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16 from shoutbox.models import Shout
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17
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18 SHOUTS_PER_PAGE = 10
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19
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20 @login_required
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21 def shout(request):
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22 if request.method == 'POST':
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23 msg = request.POST.get('msg', '').strip()
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24 if msg != '':
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25 shout = Shout(user=request.user, shout=msg)
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26 shout.save()
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27
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28 return HttpResponseRedirect(request.META.get('HTTP_REFERER', '/'))
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29
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30
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31 def view(request, page=1):
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32 """This view allows one to view the shoutbox history."""
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33 paginator = DiggPaginator(Shout.objects.all(), SHOUTS_PER_PAGE, body=5, tail=3, margin=3, padding=2)
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34 try:
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35 the_page = paginator.page(int(page))
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36 except InvalidPage:
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37 raise Http404
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38
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39 return render_to_response('shoutbox/view.html', {
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40 'page': the_page,
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41 },
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42 context_instance = RequestContext(request))
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43
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44
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45 shout_id_re = re.compile(r'shout-(\d+)')
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46
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47 def text(request):
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48 """This view function retrieves the text of a shout; it is used in the in-place
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49 editing of shouts on the shoutbox history view."""
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50 if request.user.is_authenticated():
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51 m = shout_id_re.match(request.GET.get('id', ''))
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52 if m is None:
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53 return HttpResponseBadRequest()
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54 try:
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55 shout = Shout.objects.get(pk=m.group(1))
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56 except Shout.DoesNotExist:
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57 return HttpResponseBadRequest()
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58 return HttpResponse(shout.shout)
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59
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60 return HttpResponseForbidden()
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61
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62
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63 def edit(request):
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64 """This view accepts a shoutbox edit from the shoutbox history view."""
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65 if request.user.is_authenticated():
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66 m = shout_id_re.match(request.POST.get('id', ''))
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67 if m is None:
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68 return HttpResponseBadRequest()
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69 try:
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70 shout = Shout.objects.get(pk=m.group(1))
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71 except Shout.DoesNotExist:
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72 return HttpResponseBadRequest()
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73 if request.user != shout.user:
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74 return HttpResponseForbidden()
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75 new_shout = request.POST.get('value', '').strip()
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76 if new_shout == '':
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77 return HttpResponseBadRequest()
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78 shout.shout = new_shout
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79 shout.save()
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80 return render_to_response('shoutbox/render_shout.html', {
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81 'shout': shout,
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82 },
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83 context_instance = RequestContext(request))
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84
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85 return HttpResponseForbidden()
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86
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87
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88 def delete(request):
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89 """This view deletes a shout. It is called by AJAX from the shoutbox history view."""
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90 if request.user.is_authenticated():
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91 id = request.POST.get('id', None)
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92 if id is None or not id.isdigit():
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93 return HttpResponseBadRequest()
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94 try:
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95 shout = Shout.objects.get(pk=id)
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96 except Shout.DoesNotExist:
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97 return HttpResponseBadRequest()
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98 if request.user != shout.user:
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99 return HttpResponseForbidden()
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100 shout.delete()
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101 return HttpResponse(id)
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102
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103 return HttpResponseForbidden()
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