apps/wiki/views.py

   1 import os
   2
   3 from django.conf import settings
   4 from django.views.generic.simple import direct_to_template
   5 from django.http import HttpResponse, Http404
   6 from django.utils import simplejson as json
   7
   8 from wiki.models import storage, Document, DocumentNotFound
   9 from wiki.forms import DocumentForm
  10 from datetime import datetime
  11
  12 # import google_diff
  13 import difflib
  14
  15
  16 class DateTimeEncoder(json.JSONEncoder):
  17      def default(self, obj):
  18          if isinstance(obj, datetime):
  19              return datetime.ctime(obj) + " " + (datetime.tzname(obj) or 'GMT')
  20          return json.JSONEncoder.default(self, obj)
  21
  22 def document_list(request, template_name = 'wiki/document_list.html'):
  23     return direct_to_template(request, template_name, extra_context = {
  24         'document_list': storage.all(),
  25     })
  26
  27
  28 def document_detail(request, name, template_name = 'wiki/document_details.html'):
  29     try:
  30         document = storage.get(name)
  31     except DocumentNotFound:
  32         raise Http404
  33
  34 #    access_time = datetime.ctime();
  35 #    last_documents = request.session.get("wiki_last_docs", [])
  36 #
  37 #    if name not in last_documents:
  38 #        last_documents.insert(0, (name, access_time))
  39
  40     if request.method == 'POST':
  41
  42         form = DocumentForm(request.POST, instance = document)
  43         if form.is_valid():
  44             document = form.save()
  45             return HttpResponse(json.dumps({'text': document.plain_text, 'meta': document.meta(), 'revision': document.revision()}))
  46         else:
  47             return HttpResponse(json.dumps({'errors': form.errors}))
  48     else:
  49         form = DocumentForm(instance = document)
  50
  51     return direct_to_template(request, template_name, extra_context = {
  52         'document': document,
  53         'form': form,
  54     })
  55
  56
  57 def document_gallery(request, directory):
  58     try:
  59         base_dir = os.path.join(settings.MEDIA_ROOT, settings.FILEBROWSER_DIRECTORY, directory)
  60         images = [u'%s%s%s/%s' % (settings.MEDIA_URL, settings.FILEBROWSER_DIRECTORY, directory, f) for f in os.listdir(base_dir) if os.path.splitext(f)[1].lower() in (u'.jpg', u'.jpeg', u'.png')]
  61         images.sort()
  62         return HttpResponse(json.dumps(images))
  63     except (IndexError, OSError), exc:
  64         import traceback
  65         traceback.print_exc()
  66
  67         raise Http404
  68
  69 def document_diff(request, name, revA, revB):
  70     differ = difflib.HtmlDiff(wrapcolumn=60)
  71
  72     docA = storage.get(name, int(revA))
  73     docB = storage.get(name, int(revB))
  74
  75     return HttpResponse(differ.make_table(
  76                                 docA.plain_text.splitlines(),
  77                                 docB.plain_text.splitlines() ) )
  78
  79
  80 def document_history(reuqest, name):
  81     return HttpResponse( json.dumps(storage.history(name), cls=DateTimeEncoder), mimetype='application/json')