src/archive/views.py

   1 # Create your views here.
   2
   3 from datetime import datetime
   4 import os
   5 import os.path
   6 from urllib import quote
   7
   8 from archive import settings
   9 from django.contrib.auth import logout
  10 from django.contrib.auth.decorators import permission_required
  11 from django.core.urlresolvers import reverse
  12 from django.db.models import Q, Max
  13 from django.http import Http404, HttpResponse
  14 from django.shortcuts import render, redirect, get_object_or_404
  15 from django.views.decorators.http import require_POST
  16
  17 import mutagen
  18
  19 from archive.constants import status
  20 from archive import models
  21 from archive.forms import AudiobookForm
  22 from archive import tasks
  23 from archive.utils import all_files
  24
  25
  26 def list_new(request):
  27     division = 'new'
  28
  29     path = settings.NEW_PATH
  30     objects = sorted(all_files(path))
  31     return render(request, "archive/list_new.html", locals())
  32
  33
  34 @permission_required('archive.change_audiobook')
  35 def file_new(request, filename):
  36     division = 'new'
  37
  38     filepath = filename
  39     root_filepath = os.path.join(settings.NEW_PATH, filename)
  40     if request.POST:
  41         form = AudiobookForm(request.POST)
  42         if form.is_valid():
  43             try:
  44                 form.save(path=filepath)
  45             except IOError:
  46                 raise Http404
  47             return redirect(list_new)
  48
  49     try:
  50         tags = mutagen.File(root_filepath)
  51     except IOError:
  52         raise Http404
  53     d = {}
  54     if tags:
  55         for tag in tags:
  56             value = tags[tag]
  57             if isinstance(value, list):
  58                 d[tag] = value[0]
  59             else:
  60                 d[tag] = value
  61             if tag == 'project':
  62                 try:
  63                     d[tag] = models.Project.objects.get(name=d[tag]).pk
  64                 except models.Project.DoesNotExist:
  65                     d[tag] = None
  66
  67     if not request.POST:
  68         form = AudiobookForm(d)
  69     return render(request, "archive/file_new.html", locals())
  70
  71
  72 @require_POST
  73 @permission_required('archive.change_audiobook')
  74 def move_to_archive(request, filename):
  75     """ move a new file to the unmanaged files dir """
  76
  77     filename_str = filename.encode('utf-8')
  78     old_path = os.path.join(settings.NEW_PATH, filename_str)
  79     new_path = os.path.join(settings.UNMANAGED_PATH, filename_str)
  80     new_dir = os.path.split(new_path)[0]
  81     if not os.path.isdir(new_dir):
  82         os.makedirs(new_dir)
  83
  84     if not os.path.isfile(old_path):
  85         raise Http404
  86
  87     try:
  88         os.link(old_path, new_path)
  89         os.unlink(old_path)
  90     except OSError:
  91         # destination file exists, don't overwrite it
  92         # TODO: this should probably be more informative
  93         return redirect(file_new, filename)
  94
  95     return redirect(list_new)
  96
  97
  98 @require_POST
  99 @permission_required('archive.change_audiobook')
 100 def remove_to_archive(request, aid):
 101     """ move a managed file to the unmanaged files dir """
 102
 103     audiobook = get_object_or_404(models.Audiobook, id=aid)
 104     old_path = audiobook.source_file.path
 105     new_path = os.path.join(settings.UNMANAGED_PATH,
 106         str(audiobook.source_file)[len(settings.FILES_SAVE_PATH):].lstrip('/'))
 107     new_dir = os.path.split(new_path)[0]
 108     if not os.path.isdir(new_dir):
 109         os.makedirs(new_dir)
 110
 111     if not os.path.isfile(old_path):
 112         raise Http404
 113
 114     success = False
 115     try_new_path = new_path
 116     try_number = 0
 117     while not success:
 118         try:
 119             os.link(old_path, try_new_path)
 120         except OSError:
 121             # destination file exists, don't overwrite it
 122             try_number += 1
 123             parts = new_path.rsplit('.', 1)
 124             parts[0] += '_%d' % try_number
 125             try_new_path = ".".join(parts)
 126         else:
 127             os.unlink(old_path)
 128             audiobook.delete()
 129             success = True
 130
 131     return redirect(list_unmanaged)
 132
 133 @require_POST
 134 @permission_required('archive.change_audiobook')
 135 def move_to_new(request, filename):
 136     """ move a unmanaged file to new files dir """
 137
 138     filename_str = filename.encode('utf-8')
 139     old_path = os.path.join(settings.UNMANAGED_PATH, filename_str)
 140     new_path = os.path.join(settings.NEW_PATH, filename_str)
 141     new_dir = os.path.split(new_path)[0]
 142     if not os.path.isdir(new_dir):
 143         os.makedirs(new_dir)
 144
 145     if not os.path.isfile(old_path):
 146         raise Http404
 147
 148     try:
 149         os.link(old_path, new_path)
 150         os.unlink(old_path)
 151     except OSError:
 152         # destination file exists, don't overwrite it
 153         # TODO: this should probably be more informative
 154         return redirect(reverse(file_unmanaged, args=[filename]) + "?exists=1")
 155
 156     return redirect(list_unmanaged)
 157
 158
 159 @require_POST
 160 @permission_required('archive.change_audiobook')
 161 def publish(request, aid, publish=True):
 162     """ mark file for publishing """
 163     audiobook = get_object_or_404(models.Audiobook, id=aid)
 164     tags = {
 165         'name': audiobook.title,
 166         'url': audiobook.url,
 167         'tags': audiobook.new_publish_tags(),
 168         }
 169     audiobook.mp3_tags = tags
 170     audiobook.ogg_tags = tags
 171     audiobook.mp3_status = audiobook.ogg_status = status.WAITING
 172     audiobook.save()
 173     # isn't there a race here?
 174     audiobook.mp3_task = tasks.Mp3Task.delay(aid, publish).task_id
 175     audiobook.ogg_task = tasks.OggTask.delay(aid, publish).task_id
 176     audiobook.save()
 177
 178     return redirect(file_managed, aid)
 179
 180
 181 @require_POST
 182 @permission_required('archive.change_audiobook')
 183 def cancel_publishing(request, aid):
 184     """ cancel scheduled publishing """
 185     audiobook = get_object_or_404(models.Audiobook, id=aid)
 186     # TODO: cancel tasks
 187     audiobook.mp3_status = None
 188     audiobook.ogg_status = None
 189     audiobook.save()
 190     return redirect(file_managed, aid)
 191
 192
 193 def download(request, aid, which="source"):
 194     if which not in ("source", "mp3", "ogg"):
 195         raise Http404
 196     audiobook = get_object_or_404(models.Audiobook, id=aid)
 197     file_ = getattr(audiobook, "%s_file" % which)
 198     if not file_:
 199         raise Http404
 200     ext = file_.path.rsplit('.', 1)[-1]
 201     response = HttpResponse(mimetype='application/force-download')
 202
 203     response['Content-Disposition'] = "attachment; filename*=UTF-8''%s.%s" % (
 204         quote(audiobook.title.encode('utf-8'), safe=''), ext)
 205     response['X-Sendfile'] = file_.path.encode('utf-8')
 206     return response
 207
 208
 209 def list_unpublished(request):
 210     division = 'unpublished'
 211
 212     objects = models.Audiobook.objects.filter(Q(mp3_published=None) | Q(ogg_published=None))
 213     return render(request, "archive/list_unpublished.html", locals())
 214
 215
 216 def list_publishing(request):
 217     division = 'publishing'
 218
 219     objects = models.Audiobook.objects.exclude(mp3_status=None, ogg_status=None)
 220     objects_by_status = {}
 221     for o in objects:
 222         if o.mp3_status:
 223             k = o.mp3_status, o.get_mp3_status_display()
 224             objects_by_status.setdefault(k, []).append(o)
 225         if o.ogg_status and o.ogg_status != o.mp3_status:
 226             k = o.ogg_status, o.get_ogg_status_display()
 227             objects_by_status.setdefault(k, []).append(o)
 228     status_objects = sorted(objects_by_status.items(), reverse=True)
 229
 230     return render(request, "archive/list_publishing.html", locals())
 231
 232
 233 def list_published(request):
 234     division = 'published'
 235
 236     objects = models.Audiobook.objects.exclude(Q(mp3_published=None) | Q(ogg_published=None))
 237     return render(request, "archive/list_published.html", locals())
 238
 239
 240 @permission_required('archive.change_audiobook')
 241 def file_managed(request, id):
 242     audiobook = get_object_or_404(models.Audiobook, id=id)
 243
 244     if request.POST:
 245         form = AudiobookForm(request.POST, instance=audiobook)
 246         if form.is_valid():
 247             try:
 248                 form.save()
 249             except IOError:
 250                 raise Http404
 251
 252     division = 'published' if audiobook.published() else 'unpublished'
 253     path = audiobook.source_file.path[len(settings.FILES_PATH):].lstrip('/')
 254
 255     # for tags update
 256     tags = mutagen.File(audiobook.source_file.path.encode('utf-8'))
 257     if not tags:
 258         tags = {}
 259     form = AudiobookForm(instance=audiobook)
 260
 261     return render(request, "archive/file_managed.html", locals())
 262
 263
 264 def list_unmanaged(request):
 265     division = 'unmanaged'
 266
 267     objects = sorted(all_files(settings.UNMANAGED_PATH))
 268     return render(request, "archive/list_unmanaged.html", locals())
 269
 270
 271 def file_unmanaged(request, filename):
 272     division = 'unmanaged'
 273
 274     tags = mutagen.File(os.path.join(settings.UNMANAGED_PATH, filename.encode('utf-8')))
 275     if not tags:
 276         tags = {}
 277
 278     err_exists = request.GET.get('exists')
 279     return render(request, "archive/file_unmanaged.html", locals())