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annotate gpp/shoutbox/views.py @ 186:be3fff614b93

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Implement #66; use jQuery UI autocomplete widget to replace obsolete jquery-autocomplete plugin. I implemented a very simple caching system.
author Brian Neal <bgneal@gmail.com>
date Tue, 30 Mar 2010 01:30:32 +0000
parents e1d1a70d312d
children 7ddd60164245
rev   line source
gremmie@1 1 """
gremmie@1 2 Views for the Shoutbox application.
gremmie@1 3 """
gremmie@1 4
gremmie@1 5 import re
gremmie@1 6 from django.shortcuts import render_to_response
gremmie@1 7 from django.template import RequestContext
bgneal@92 8 from django.core.paginator import InvalidPage
gremmie@1 9 from django.http import HttpResponse
gremmie@1 10 from django.http import HttpResponseBadRequest
gremmie@1 11 from django.http import HttpResponseForbidden
gremmie@1 12 from django.http import HttpResponseRedirect
bgneal@151 13 from django.http import Http404
gremmie@1 14 from django.contrib.auth.decorators import login_required
bgneal@12 15 from django.views.decorators.http import require_POST
gremmie@1 16
gremmie@1 17 from core.paginator import DiggPaginator
bgneal@13 18 from core.functions import email_admins
gremmie@1 19 from shoutbox.forms import ShoutBoxForm
gremmie@1 20 from shoutbox.models import Shout
bgneal@13 21 from shoutbox.models import ShoutFlag
gremmie@1 22
gremmie@1 23 SHOUTS_PER_PAGE = 10
gremmie@1 24
gremmie@1 25 @login_required
bgneal@12 26 @require_POST
gremmie@1 27 def shout(request):
bgneal@12 28 msg = request.POST.get('msg', '').strip()
bgneal@12 29 if msg == '':
bgneal@12 30 return HttpResponse('')
bgneal@12 31
bgneal@12 32 shout = Shout(user=request.user, shout=msg)
bgneal@12 33 shout.save()
bgneal@12 34 return render_to_response('shoutbox/shout.html', {
bgneal@12 35 'shout': shout,
bgneal@12 36 },
bgneal@12 37 context_instance = RequestContext(request))
gremmie@1 38
gremmie@1 39
bgneal@13 40 def view_shout(request, id):
bgneal@13 41 """This view is for viewing an individual shout."""
bgneal@13 42 try:
bgneal@13 43 shout = Shout.objects.get(pk=id)
bgneal@13 44 except Shout.DoesNotExist:
bgneal@13 45 return render_to_response('shoutbox/missing_shout.html', {},
bgneal@13 46 context_instance = RequestContext(request))
bgneal@13 47
bgneal@13 48 return render_to_response('shoutbox/view_shout.html', {
bgneal@13 49 'shout': shout,
bgneal@13 50 },
bgneal@13 51 context_instance = RequestContext(request))
bgneal@13 52
bgneal@13 53
bgneal@13 54 def view_history(request, page=1):
gremmie@1 55 """This view allows one to view the shoutbox history."""
bgneal@118 56 paginator = DiggPaginator(Shout.objects.all().select_related(),
bgneal@118 57 SHOUTS_PER_PAGE, body=5, tail=3, margin=3, padding=2)
gremmie@1 58 try:
gremmie@1 59 the_page = paginator.page(int(page))
gremmie@1 60 except InvalidPage:
gremmie@1 61 raise Http404
gremmie@1 62
gremmie@1 63 return render_to_response('shoutbox/view.html', {
gremmie@1 64 'page': the_page,
gremmie@1 65 },
gremmie@1 66 context_instance = RequestContext(request))
gremmie@1 67
gremmie@1 68
gremmie@1 69 shout_id_re = re.compile(r'shout-(\d+)')
gremmie@1 70
gremmie@1 71 def text(request):
gremmie@1 72 """This view function retrieves the text of a shout; it is used in the in-place
gremmie@1 73 editing of shouts on the shoutbox history view."""
gremmie@1 74 if request.user.is_authenticated():
gremmie@1 75 m = shout_id_re.match(request.GET.get('id', ''))
gremmie@1 76 if m is None:
gremmie@1 77 return HttpResponseBadRequest()
gremmie@1 78 try:
gremmie@1 79 shout = Shout.objects.get(pk=m.group(1))
gremmie@1 80 except Shout.DoesNotExist:
gremmie@1 81 return HttpResponseBadRequest()
gremmie@1 82 return HttpResponse(shout.shout)
gremmie@1 83
gremmie@1 84 return HttpResponseForbidden()
gremmie@1 85
gremmie@1 86
gremmie@1 87 def edit(request):
gremmie@1 88 """This view accepts a shoutbox edit from the shoutbox history view."""
gremmie@1 89 if request.user.is_authenticated():
gremmie@1 90 m = shout_id_re.match(request.POST.get('id', ''))
gremmie@1 91 if m is None:
gremmie@1 92 return HttpResponseBadRequest()
gremmie@1 93 try:
gremmie@1 94 shout = Shout.objects.get(pk=m.group(1))
gremmie@1 95 except Shout.DoesNotExist:
gremmie@1 96 return HttpResponseBadRequest()
gremmie@1 97 if request.user != shout.user:
gremmie@1 98 return HttpResponseForbidden()
gremmie@1 99 new_shout = request.POST.get('value', '').strip()
gremmie@1 100 if new_shout == '':
gremmie@1 101 return HttpResponseBadRequest()
gremmie@1 102 shout.shout = new_shout
gremmie@1 103 shout.save()
bgneal@151 104 return HttpResponse(shout.html)
gremmie@1 105
gremmie@1 106 return HttpResponseForbidden()
gremmie@1 107
gremmie@1 108
gremmie@1 109 def delete(request):
gremmie@1 110 """This view deletes a shout. It is called by AJAX from the shoutbox history view."""
gremmie@1 111 if request.user.is_authenticated():
gremmie@1 112 id = request.POST.get('id', None)
gremmie@1 113 if id is None or not id.isdigit():
gremmie@1 114 return HttpResponseBadRequest()
gremmie@1 115 try:
gremmie@1 116 shout = Shout.objects.get(pk=id)
gremmie@1 117 except Shout.DoesNotExist:
gremmie@1 118 return HttpResponseBadRequest()
gremmie@1 119 if request.user != shout.user:
gremmie@1 120 return HttpResponseForbidden()
gremmie@1 121 shout.delete()
gremmie@1 122 return HttpResponse(id)
gremmie@1 123
gremmie@1 124 return HttpResponseForbidden()
bgneal@12 125
bgneal@13 126
bgneal@13 127 @require_POST
bgneal@13 128 def flag(request):
bgneal@13 129 """
bgneal@13 130 This function handles the flagging of shouts by users. This function should
bgneal@13 131 be the target of an AJAX post.
bgneal@13 132 """
bgneal@13 133 if not request.user.is_authenticated():
bgneal@13 134 return HttpResponse('Please login or register to flag a shout.')
bgneal@13 135
bgneal@13 136 id = request.POST.get('id', None)
bgneal@13 137 if id is None:
bgneal@13 138 return HttpResponseBadRequest('No id')
bgneal@13 139
bgneal@13 140 try:
bgneal@13 141 shout = Shout.objects.get(pk=id)
bgneal@13 142 except Shout.DoesNotExist:
bgneal@13 143 return HttpResponseBadRequest('No shout with id %s' % id)
bgneal@13 144
bgneal@13 145 flag = ShoutFlag(user=request.user, shout=shout)
bgneal@13 146 flag.save()
bgneal@13 147 email_admins('A Shout Has Been Flagged', """Hello,
bgneal@13 148
bgneal@13 149 A user has flagged a shout for review.
bgneal@13 150 """)
bgneal@13 151 return HttpResponse('The shout was flagged. A moderator will review the shout shortly. ' \
bgneal@13 152 'Thanks for helping to improve the quality of this site.')
bgneal@13 153
bgneal@12 154 # vim: ts=4 sw=4