Merge pull request #26 from udacity/remove_dj_version

[osqa.git] / forum_modules / exporter / views.py

diff --git a/forum_modules/exporter/views.py b/forum_modules/exporter/views.py
index fe8086ff9c38e5dc121bc4a2622e6f3ce2f4eb1b..c7b3904dae76a70ab916b94babf884d28f1b2409 100644 (file)
--- a/forum_modules/exporter/views.py
+++ b/forum_modules/exporter/views.py
@@ -1,9 +1,11 @@
+from __future__ import with_statement
+
 import os, tarfile, ConfigParser, datetime
+import json
 
 from StringIO import StringIO
 from django.http import HttpResponse, HttpResponseRedirect, Http404
 from django.utils.translation import ugettext as _
-from django.utils import simplejson
 from django.core.cache import cache
 from django.core.urlresolvers import reverse
 from forum.views.admin import admin_tools_page, admin_page
@@ -13,15 +15,15 @@ from threading import Thread
 import settings as selsettings
 from forum import settings
 
-from exporter import export, CACHE_KEY, EXPORT_STEPS, LAST_BACKUP, DATE_AND_AUTHOR_INF_SECTION, DATETIME_FORMAT
-
+from exporter import export, CACHE_KEY, EXPORT_STEPS, DATE_AND_AUTHOR_INF_SECTION, DATETIME_FORMAT
+from importer import start_import
 
 @admin_tools_page(_('exporter'), _('XML data export'))
 def exporter(request):
     state = cache.get(CACHE_KEY)
 
     if state and state['running']:
-        return HttpResponseRedirect(reverse('exporter_running'))
+        return HttpResponseRedirect(reverse('exporter_running', kwargs=dict(mode='exporter')))
 
     if request.method == 'POST':
         form = ExporterForm(request.POST)
@@ -31,28 +33,29 @@ def exporter(request):
             thread.setDaemon(True)
             thread.start()
 
-            return HttpResponseRedirect(reverse('exporter_running'))
+            return HttpResponseRedirect(reverse('exporter_running', kwargs=dict(mode='exporter')))
     else:
         form = ExporterForm()
 
     available = []
 
-    #folder = unicode(selsettings.EXPORTER_BACKUP_STORAGE)
-
-    #for f in os.listdir(folder):
-    #    if (not os.path.isdir(os.path.join(folder, f))) and f.endswith('.tar.gz'):
-    #        try:
-    #            tar = tarfile.open(os.path.join(folder, f), "r")
-    #            inf = ConfigParser.SafeConfigParser()
-    #            inf.readfp(tar.extractfile('backup.inf'))
-    #
-    #            if inf.get(DATE_AND_AUTHOR_INF_SECTION, 'site') == settings.APP_URL:
-    #                available.append({
-    #                    'author': User.objects.get(id=inf.get(DATE_AND_AUTHOR_INF_SECTION, 'author')),
-    #                    'date': datetime.strptime(inf.get(DATE_AND_AUTHOR_INF_SECTION, 'finished'), )
-    #                })
-    #        except Exception, e:
-    #            pass
+    folder = unicode(selsettings.EXPORTER_BACKUP_STORAGE)
+
+    for f in os.listdir(folder):
+        if (not os.path.isdir(os.path.join(folder, f))) and f.endswith('.backup.inf'):
+            try:
+                with open(os.path.join(folder, f), 'r') as inffile:
+                    inf = ConfigParser.SafeConfigParser()
+                    inf.readfp(inffile)
+
+                    if inf.get(DATE_AND_AUTHOR_INF_SECTION, 'site') == settings.APP_URL and os.path.exists(
+                                    os.path.join(folder, inf.get(DATE_AND_AUTHOR_INF_SECTION, 'file-name'))):
+                        available.append({
+                            'author': User.objects.get(id=inf.get(DATE_AND_AUTHOR_INF_SECTION, 'author')),
+                            'date': datetime.datetime.strptime(inf.get(DATE_AND_AUTHOR_INF_SECTION, 'finished'), DATETIME_FORMAT)
+                        })
+            except Exception, e:
+                pass
 
     return ('modules/exporter/exporter.html', {
         'form': form,
@@ -60,29 +63,40 @@ def exporter(request):
     })
 
 @admin_page
-def running(request):
+def running(request, mode):
     state = cache.get(CACHE_KEY)
     if state is None:
         return HttpResponseRedirect(reverse('admin_tools', args=[_('exporter')]))
 
     return ('modules/exporter/running.html', {
+        'mode': mode,
         'steps': EXPORT_STEPS
     })
 
 def state(request):
-    return HttpResponse(simplejson.dumps(cache.get(CACHE_KEY)), mimetype="application/json")
+    return HttpResponse(json.dumps(cache.get(CACHE_KEY)), mimetype="application/json")
 
 @admin_page
 def download(request):
-    fname = LAST_BACKUP
+    if request.GET and request.GET.get('file', None):
+        fname = os.path.join(selsettings.EXPORTER_BACKUP_STORAGE, request.GET.get('file'))
+    else:
+        raise Http404
 
     if not os.path.exists(fname):
         raise Http404
 
-    response = HttpResponse(open(fname, 'rb').read(), content_type='application/x-gzip')
+    if fname.endswith('.gz'):
+        content_type='application/x-gzip'
+        filename = 'backup.tar.gz'
+    else:
+        content_type='application/zip'
+        filename = 'backup.zip'
+
+    response = HttpResponse(open(fname, 'rb').read(), content_type=content_type)
     response['Content-Length'] = os.path.getsize(fname)
-    response['Content-Disposition'] = 'attachment; filename=backup.tar.gz'
+    response['Content-Disposition'] = 'attachment; filename=%s' % filename
     return response
 
 
-    
+