mediagoblin/user_pages/views.py

   1 # GNU MediaGoblin -- federated, autonomous media hosting
   2 # Copyright (C) 2011, 2012 MediaGoblin contributors.  See AUTHORS.
   3 #
   4 # This program is free software: you can redistribute it and/or modify
   5 # it under the terms of the GNU Affero General Public License as published by
   6 # the Free Software Foundation, either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU Affero General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU Affero General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 import logging
  18 import datetime
  19 import json
  20
  21 import six
  22
  23 from mediagoblin import messages, mg_globals
  24 from mediagoblin.db.models import (MediaEntry, MediaTag, Collection, Comment,
  25                                    CollectionItem, LocalUser, Activity, \
  26                                    GenericModelReference)
  27 from mediagoblin.tools.response import render_to_response, render_404, \
  28     redirect, redirect_obj
  29 from mediagoblin.tools.text import cleaned_markdown_conversion
  30 from mediagoblin.tools.translate import pass_to_ugettext as _
  31 from mediagoblin.tools.pagination import Pagination
  32 from mediagoblin.tools.federation import create_activity
  33 from mediagoblin.user_pages import forms as user_forms
  34 from mediagoblin.user_pages.lib import (send_comment_email,
  35         add_media_to_collection, build_report_object)
  36 from mediagoblin.notifications import trigger_notification, \
  37     add_comment_subscription, mark_comment_notification_seen
  38 from mediagoblin.tools.pluginapi import hook_transform
  39
  40 from mediagoblin.decorators import (uses_pagination, get_user_media_entry,
  41     get_media_entry_by_id, user_has_privilege, user_not_banned,
  42     require_active_login, user_may_delete_media, user_may_alter_collection,
  43     get_user_collection, get_user_collection_item, active_user_from_url,
  44     get_optional_media_comment_by_id, allow_reporting)
  45
  46 from werkzeug.contrib.atom import AtomFeed
  47 from werkzeug.exceptions import MethodNotAllowed
  48 from werkzeug.wrappers import Response
  49
  50
  51 _log = logging.getLogger(__name__)
  52 _log.setLevel(logging.DEBUG)
  53
  54 @user_not_banned
  55 @uses_pagination
  56 def user_home(request, page):
  57     """'Homepage' of a LocalUser()"""
  58     user = LocalUser.query.filter_by(username=request.matchdict['user']).first()
  59     if not user:
  60         return render_404(request)
  61     elif not user.has_privilege(u'active'):
  62         return render_to_response(
  63             request,
  64             'mediagoblin/user_pages/user_nonactive.html',
  65             {'user': user})
  66
  67     cursor = MediaEntry.query.\
  68         filter_by(actor = user.id,
  69                   state = u'processed').order_by(MediaEntry.created.desc())
  70
  71     pagination = Pagination(page, cursor)
  72     media_entries = pagination()
  73
  74     #if no data is available, return NotFound
  75     if media_entries == None:
  76         return render_404(request)
  77
  78     user_gallery_url = request.urlgen(
  79         'mediagoblin.user_pages.user_gallery',
  80         user=user.username)
  81
  82     return render_to_response(
  83         request,
  84         'mediagoblin/user_pages/user.html',
  85         {'user': user,
  86          'user_gallery_url': user_gallery_url,
  87          'media_entries': media_entries,
  88          'pagination': pagination})
  89
  90 @user_not_banned
  91 @active_user_from_url
  92 @uses_pagination
  93 def user_gallery(request, page, url_user=None):
  94     """'Gallery' of a LocalUser()"""
  95     tag = request.matchdict.get('tag', None)
  96     cursor = MediaEntry.query.filter_by(
  97         actor=url_user.id,
  98         state=u'processed').order_by(MediaEntry.created.desc())
  99
 100     # Filter potentially by tag too:
 101     if tag:
 102         cursor = cursor.filter(
 103             MediaEntry.tags_helper.any(
 104                 MediaTag.slug == request.matchdict['tag']))
 105
 106     # Paginate gallery
 107     pagination = Pagination(page, cursor)
 108     media_entries = pagination()
 109
 110     #if no data is available, return NotFound
 111     # TODO: Should we really also return 404 for empty galleries?
 112     if media_entries == None:
 113         return render_404(request)
 114
 115     return render_to_response(
 116         request,
 117         'mediagoblin/user_pages/gallery.html',
 118         {'user': url_user, 'tag': tag,
 119          'media_entries': media_entries,
 120          'pagination': pagination})
 121
 122
 123 MEDIA_COMMENTS_PER_PAGE = 50
 124
 125 @user_not_banned
 126 @get_user_media_entry
 127 @uses_pagination
 128 def media_home(request, media, page, **kwargs):
 129     """
 130     'Homepage' of a MediaEntry()
 131     """
 132     comment_id = request.matchdict.get('comment', None)
 133     if comment_id:
 134         if request.user:
 135             mark_comment_notification_seen(comment_id, request.user)
 136
 137         pagination = Pagination(
 138             page, media.get_comments(
 139                 mg_globals.app_config['comments_ascending']),
 140             MEDIA_COMMENTS_PER_PAGE,
 141             comment_id)
 142     else:
 143         pagination = Pagination(
 144             page, media.get_comments(
 145                 mg_globals.app_config['comments_ascending']),
 146             MEDIA_COMMENTS_PER_PAGE)
 147
 148     comments = pagination()
 149
 150     comment_form = user_forms.MediaCommentForm(request.form)
 151
 152     media_template_name = media.media_manager.display_template
 153
 154     context = {
 155         'media': media,
 156         'comments': comments,
 157         'pagination': pagination,
 158         'comment_form': comment_form,
 159         'app_config': mg_globals.app_config}
 160
 161     # Since the media template name gets swapped out for each media
 162     # type, normal context hooks don't work if you want to affect all
 163     # media displays.  This gives a general purpose hook.
 164     context = hook_transform(
 165         "media_home_context", context)
 166
 167     return render_to_response(
 168         request,
 169         media_template_name,
 170         context)
 171
 172
 173 @get_media_entry_by_id
 174 @user_has_privilege(u'commenter')
 175 def media_post_comment(request, media):
 176     """
 177     recieves POST from a MediaEntry() comment form, saves the comment.
 178     """
 179     if not request.method == 'POST':
 180         raise MethodNotAllowed()
 181
 182     comment = request.db.TextComment()
 183     comment.actor = request.user.id
 184     comment.content = six.text_type(request.form['comment_content'])
 185
 186     # Show error message if commenting is disabled.
 187     if not mg_globals.app_config['allow_comments']:
 188         messages.add_message(
 189             request,
 190             messages.ERROR,
 191             _("Sorry, comments are disabled."))
 192     elif not comment.content.strip():
 193         messages.add_message(
 194             request,
 195             messages.ERROR,
 196             _("Oops, your comment was empty."))
 197     else:
 198         create_activity("post", comment, comment.actor, target=media)
 199         add_comment_subscription(request.user, media)
 200         comment.save()
 201
 202         link = request.db.Comment()
 203         link.target = media
 204         link.comment = comment
 205         link.save()
 206
 207         messages.add_message(
 208             request,
 209             messages.SUCCESS,
 210             _('Your comment has been posted!'))
 211         trigger_notification(link, media, request)
 212
 213     return redirect_obj(request, media)
 214
 215
 216
 217 def media_preview_comment(request):
 218     """Runs a comment through markdown so it can be previewed."""
 219     # If this isn't an ajax request, render_404
 220     if not request.is_xhr:
 221         return render_404(request)
 222
 223     comment = six.text_type(request.form['comment_content'])
 224     cleancomment = { "content":cleaned_markdown_conversion(comment)}
 225
 226     return Response(json.dumps(cleancomment))
 227
 228 @user_not_banned
 229 @get_media_entry_by_id
 230 @require_active_login
 231 def media_collect(request, media):
 232     """Add media to collection submission"""
 233
 234     form = user_forms.MediaCollectForm(request.form)
 235     # A user's own collections:
 236     form.collection.query = Collection.query.filter_by(
 237         actor=request.user.id,
 238         type=Collection.USER_DEFINED_TYPE
 239     ).order_by(Collection.title)
 240
 241     if request.method != 'POST' or not form.validate():
 242         # No POST submission, or invalid form
 243         if not form.validate():
 244             messages.add_message(
 245                 request,
 246                 messages.ERROR,
 247                 _('Please check your entries and try again.'))
 248
 249         return render_to_response(
 250             request,
 251             'mediagoblin/user_pages/media_collect.html',
 252             {'media': media,
 253              'form': form})
 254
 255     # If we are here, method=POST and the form is valid, submit things.
 256     # If the user is adding a new collection, use that:
 257     if form.collection_title.data:
 258         # Make sure this user isn't duplicating an existing collection
 259         existing_collection = Collection.query.filter_by(
 260             actor=request.user.id,
 261             title=form.collection_title.data,
 262             type=Collection.USER_DEFINED_TYPE
 263         ).first()
 264         if existing_collection:
 265             messages.add_message(
 266                 request,
 267                 messages.ERROR,
 268                 _('You already have a collection called "%s"!') %
 269                     existing_collection.title)
 270             return redirect(request, "mediagoblin.user_pages.media_home",
 271                             user=media.get_actor.username,
 272                             media=media.slug_or_id)
 273
 274         collection = Collection()
 275         collection.title = form.collection_title.data
 276         collection.description = form.collection_description.data
 277         collection.actor = request.user.id
 278         collection.type = Collection.USER_DEFINED_TYPE
 279         collection.generate_slug()
 280         collection.get_public_id(request.urlgen)
 281         create_activity("create", collection, collection.actor)
 282         collection.save()
 283
 284     # Otherwise, use the collection selected from the drop-down
 285     else:
 286         collection = form.collection.data
 287         if collection and collection.actor != request.user.id:
 288             collection = None
 289
 290     # Make sure the user actually selected a collection
 291     item = CollectionItem.query.filter_by(collection=collection.id)
 292     item = item.join(CollectionItem.object_helper).filter_by(
 293         model_type=media.__tablename__,
 294         obj_pk=media.id
 295     ).first()
 296
 297     if not collection:
 298         messages.add_message(
 299             request,
 300             messages.ERROR,
 301             _('You have to select or add a collection'))
 302         return redirect(request, "mediagoblin.user_pages.media_collect",
 303                     user=media.get_actor.username,
 304                     media_id=media.id)
 305
 306     # Check whether media already exists in collection
 307     elif item is not None:
 308         messages.add_message(
 309             request,
 310             messages.ERROR,
 311             _('"%s" already in collection "%s"') %
 312                 (media.title, collection.title))
 313     else: # Add item to collection
 314         add_media_to_collection(collection, media, form.note.data)
 315         create_activity("add", media, request.user, target=collection)
 316         messages.add_message(
 317             request,
 318             messages.SUCCESS,
 319             _('"%s" added to collection "%s"') %
 320                 (media.title, collection.title))
 321
 322     return redirect_obj(request, media)
 323
 324
 325 #TODO: Why does @user_may_delete_media not implicate @require_active_login?
 326 @get_media_entry_by_id
 327 @require_active_login
 328 @user_may_delete_media
 329 def media_confirm_delete(request, media):
 330
 331     form = user_forms.ConfirmDeleteForm(request.form)
 332
 333     if request.method == 'POST' and form.validate():
 334         if form.confirm.data is True:
 335             username = media.get_actor.username
 336
 337             # This probably is already filled but just in case it has slipped
 338             # through the net somehow, we need to try and make sure the
 339             # MediaEntry has a public ID so it gets properly soft-deleted.
 340             media.get_public_id(request.urlgen)
 341
 342             # Decrement the users uploaded quota.
 343             media.get_actor.uploaded = media.get_actor.uploaded - \
 344                 media.file_size
 345             media.get_actor.save()
 346
 347             # Delete MediaEntry and all related files, comments etc.
 348             media.delete()
 349             messages.add_message(
 350                 request,
 351                 messages.SUCCESS,
 352                 _('You deleted the media.'))
 353
 354             location = media.url_to_next(request.urlgen)
 355             if not location:
 356                 location=media.url_to_prev(request.urlgen)
 357             if not location:
 358                 location=request.urlgen("mediagoblin.user_pages.user_home",
 359                                         user=username)
 360             return redirect(request, location=location)
 361         else:
 362             messages.add_message(
 363                 request,
 364                 messages.ERROR,
 365                 _("The media was not deleted because you didn't check "
 366                   "that you were sure."))
 367             return redirect_obj(request, media)
 368
 369     if ((request.user.has_privilege(u'admin') and
 370          request.user.id != media.actor)):
 371         messages.add_message(
 372             request,
 373             messages.WARNING,
 374             _("You are about to delete another user's media. "
 375               "Proceed with caution."))
 376
 377     return render_to_response(
 378         request,
 379         'mediagoblin/user_pages/media_confirm_delete.html',
 380         {'media': media,
 381          'form': form})
 382
 383 @user_not_banned
 384 @active_user_from_url
 385 @uses_pagination
 386 def user_collection(request, page, url_user=None):
 387     """A User-defined Collection"""
 388     collection = Collection.query.filter_by(
 389         get_actor=url_user,
 390         slug=request.matchdict['collection']).first()
 391
 392     if not collection:
 393         return render_404(request)
 394
 395     cursor = collection.get_collection_items()
 396
 397     pagination = Pagination(page, cursor)
 398     collection_items = pagination()
 399
 400     # if no data is available, return NotFound
 401     # TODO: Should an empty collection really also return 404?
 402     if collection_items == None:
 403         return render_404(request)
 404
 405     return render_to_response(
 406         request,
 407         'mediagoblin/user_pages/collection.html',
 408         {'user': url_user,
 409          'collection': collection,
 410          'collection_items': collection_items,
 411          'pagination': pagination})
 412
 413 @user_not_banned
 414 @active_user_from_url
 415 def collection_list(request, url_user=None):
 416     """A User-defined Collection"""
 417     collections = Collection.query.filter_by(
 418         get_actor=url_user)
 419
 420     return render_to_response(
 421         request,
 422         'mediagoblin/user_pages/collection_list.html',
 423         {'user': url_user,
 424          'collections': collections})
 425
 426
 427 @get_user_collection_item
 428 @require_active_login
 429 @user_may_alter_collection
 430 def collection_item_confirm_remove(request, collection_item):
 431
 432     form = user_forms.ConfirmCollectionItemRemoveForm(request.form)
 433
 434     if request.method == 'POST' and form.validate():
 435         username = collection_item.in_collection.get_actor.username
 436         collection = collection_item.in_collection
 437
 438         if form.confirm.data is True:
 439             obj = collection_item.get_object()
 440             obj.save()
 441
 442             collection_item.delete()
 443             collection.num_items = collection.num_items - 1
 444             collection.save()
 445
 446             messages.add_message(
 447                 request,
 448                 messages.SUCCESS,
 449                 _('You deleted the item from the collection.'))
 450         else:
 451             messages.add_message(
 452                 request,
 453                 messages.ERROR,
 454                 _("The item was not removed because you didn't check "
 455                   "that you were sure."))
 456
 457         return redirect_obj(request, collection)
 458
 459     if ((request.user.has_privilege(u'admin') and
 460          request.user.id != collection_item.in_collection.actor)):
 461         messages.add_message(
 462             request,
 463             messages.WARNING,
 464             _("You are about to delete an item from another user's collection. "
 465               "Proceed with caution."))
 466
 467     return render_to_response(
 468         request,
 469         'mediagoblin/user_pages/collection_item_confirm_remove.html',
 470         {'collection_item': collection_item,
 471          'form': form})
 472
 473
 474 @get_user_collection
 475 @require_active_login
 476 @user_may_alter_collection
 477 def collection_confirm_delete(request, collection):
 478
 479     form = user_forms.ConfirmDeleteForm(request.form)
 480
 481     if request.method == 'POST' and form.validate():
 482
 483         username = collection.get_actor.username
 484
 485         if form.confirm.data is True:
 486             collection_title = collection.title
 487
 488             # Firstly like with the MediaEntry delete, lets ensure the
 489             # public_id is populated as this is really important!
 490             collection.get_public_id(request.urlgen)
 491
 492             # Delete all the associated collection items
 493             for item in collection.get_collection_items():
 494                 obj = item.get_object()
 495                 obj.save()
 496                 item.delete()
 497
 498             collection.delete()
 499             messages.add_message(
 500                 request,
 501                 messages.SUCCESS,
 502                 _('You deleted the collection "%s"') %
 503                     collection_title)
 504
 505             return redirect(request, "mediagoblin.user_pages.user_home",
 506                 user=username)
 507         else:
 508             messages.add_message(
 509                 request,
 510                 messages.ERROR,
 511                 _("The collection was not deleted because you didn't "
 512                   "check that you were sure."))
 513
 514             return redirect_obj(request, collection)
 515
 516     if ((request.user.has_privilege(u'admin') and
 517          request.user.id != collection.actor)):
 518         messages.add_message(
 519             request, messages.WARNING,
 520             _("You are about to delete another user's collection. "
 521               "Proceed with caution."))
 522
 523     return render_to_response(
 524         request,
 525         'mediagoblin/user_pages/collection_confirm_delete.html',
 526         {'collection': collection,
 527          'form': form})
 528
 529
 530 ATOM_DEFAULT_NR_OF_UPDATED_ITEMS = 15
 531
 532
 533 def atom_feed(request):
 534     """
 535     generates the atom feed with the newest images
 536     """
 537     user = LocalUser.query.filter_by(
 538         username = request.matchdict['user']).first()
 539     if not user or not user.has_privilege(u'active'):
 540         return render_404(request)
 541
 542     cursor = MediaEntry.query.filter_by(
 543         actor = user.id,
 544         state = u'processed').\
 545         order_by(MediaEntry.created.desc()).\
 546         limit(ATOM_DEFAULT_NR_OF_UPDATED_ITEMS)
 547
 548     """
 549     ATOM feed id is a tag URI (see http://en.wikipedia.org/wiki/Tag_URI)
 550     """
 551     atomlinks = [{
 552            'href': request.urlgen(
 553                'mediagoblin.user_pages.user_home',
 554                qualified=True, user=request.matchdict['user']),
 555            'rel': 'alternate',
 556            'type': 'text/html'
 557            }]
 558
 559     if mg_globals.app_config["push_urls"]:
 560         for push_url in mg_globals.app_config["push_urls"]:
 561             atomlinks.append({
 562                 'rel': 'hub',
 563                 'href': push_url})
 564
 565     feed = AtomFeed(
 566                "MediaGoblin: Feed for user '%s'" % request.matchdict['user'],
 567                feed_url=request.url,
 568                id='tag:{host},{year}:gallery.user-{user}'.format(
 569                    host=request.host,
 570                    year=datetime.datetime.today().strftime('%Y'),
 571                    user=request.matchdict['user']),
 572                links=atomlinks)
 573
 574     for entry in cursor:
 575         feed.add(
 576             entry.get('title'),
 577             entry.description_html,
 578             id=entry.url_for_self(request.urlgen, qualified=True),
 579             content_type='html',
 580             author={
 581                 'name': entry.get_actor.username,
 582                 'uri': request.urlgen(
 583                     'mediagoblin.user_pages.user_home',
 584                     qualified=True, user=entry.get_actor.username)},
 585             updated=entry.get('created'),
 586             links=[{
 587                 'href': entry.url_for_self(
 588                     request.urlgen,
 589                     qualified=True),
 590                 'rel': 'alternate',
 591                 'type': 'text/html'}])
 592
 593     return feed.get_response()
 594
 595
 596 def collection_atom_feed(request):
 597     """
 598     generates the atom feed with the newest images from a collection
 599     """
 600     user = LocalUser.query.filter_by(
 601         username = request.matchdict['user']).first()
 602     if not user or not user.has_privilege(u'active'):
 603         return render_404(request)
 604
 605     collection = Collection.query.filter_by(
 606                actor=user.id,
 607                slug=request.matchdict['collection']).first()
 608     if not collection:
 609         return render_404(request)
 610
 611     cursor = CollectionItem.query.filter_by(
 612                  collection=collection.id) \
 613                  .order_by(CollectionItem.added.desc()) \
 614                  .limit(ATOM_DEFAULT_NR_OF_UPDATED_ITEMS)
 615
 616     """
 617     ATOM feed id is a tag URI (see http://en.wikipedia.org/wiki/Tag_URI)
 618     """
 619     atomlinks = [{
 620            'href': collection.url_for_self(request.urlgen, qualified=True),
 621            'rel': 'alternate',
 622            'type': 'text/html'
 623            }]
 624
 625     if mg_globals.app_config["push_urls"]:
 626         for push_url in mg_globals.app_config["push_urls"]:
 627             atomlinks.append({
 628                 'rel': 'hub',
 629                 'href': push_url})
 630
 631     feed = AtomFeed(
 632                 "MediaGoblin: Feed for %s's collection %s" %
 633                 (request.matchdict['user'], collection.title),
 634                 feed_url=request.url,
 635                 id=u'tag:{host},{year}:gnu-mediagoblin.{user}.collection.{slug}'\
 636                     .format(
 637                     host=request.host,
 638                     year=collection.created.strftime('%Y'),
 639                     user=request.matchdict['user'],
 640                     slug=collection.slug),
 641                 links=atomlinks)
 642
 643     for item in cursor:
 644         obj = item.get_object()
 645         feed.add(
 646             obj.get('title'),
 647             item.note_html,
 648             id=obj.url_for_self(request.urlgen, qualified=True),
 649             content_type='html',
 650             author={
 651                 'name': obj.get_actor.username,
 652                 'uri': request.urlgen(
 653                     'mediagoblin.user_pages.user_home',
 654                     qualified=True, user=obj.get_actor.username)},
 655             updated=item.get('added'),
 656             links=[{
 657                 'href': obj.url_for_self(
 658                     request.urlgen,
 659                     qualified=True),
 660                 'rel': 'alternate',
 661                 'type': 'text/html'}])
 662
 663     return feed.get_response()
 664
 665 @active_user_from_url
 666 @uses_pagination
 667 @require_active_login
 668 def processing_panel(request, page, url_user):
 669     """
 670     Show to the user what media is still in conversion/processing...
 671     and what failed, and why!
 672     """
 673     user = LocalUser.query.filter_by(username=request.matchdict['user']).first()
 674     # TODO: XXX: Should this be a decorator?
 675     #
 676     # Make sure we have permission to access this user's panel.  Only
 677     # admins and this user herself should be able to do so.
 678     if not (user.id == request.user.id or request.user.has_privilege(u'admin')):
 679         # No?  Simply redirect to this user's homepage.
 680         return redirect(
 681             request, 'mediagoblin.user_pages.user_home',
 682             user=user.username)
 683     # Get media entries which are in-processing
 684     entries = (MediaEntry.query.filter_by(actor=user.id)
 685             .order_by(MediaEntry.created.desc()))
 686
 687     try:
 688         state = request.matchdict['state']
 689         # no exception was thrown, filter entries by state
 690         entries = entries.filter_by(state=state)
 691     except KeyError:
 692         # show all entries
 693         pass
 694
 695     pagination = Pagination(page, entries)
 696     pagination.per_page = 30
 697     entries_on_a_page = pagination()
 698
 699     # Render to response
 700     return render_to_response(
 701         request,
 702         'mediagoblin/user_pages/processing_panel.html',
 703         {'user': user,
 704          'entries': entries_on_a_page,
 705          'pagination': pagination})
 706
 707 @allow_reporting
 708 @get_user_media_entry
 709 @user_has_privilege(u'reporter')
 710 @get_optional_media_comment_by_id
 711 def file_a_report(request, media, comment):
 712     """
 713     This view handles the filing of a Report.
 714     """
 715     if comment is not None:
 716         if not comment.target().id == media.id:
 717             return render_404(request)
 718
 719         form = user_forms.CommentReportForm(request.form)
 720         context = {'media': comment.target(),
 721                    'comment':comment,
 722                    'form':form}
 723     else:
 724         form = user_forms.MediaReportForm(request.form)
 725         context = {'media': media,
 726                    'form':form}
 727     form.reporter_id.data = request.user.id
 728
 729
 730     if request.method == "POST":
 731         report_object = build_report_object(
 732             form,
 733             media_entry=media,
 734             comment=comment
 735         )
 736
 737         # if the object was built successfully, report_table will not be None
 738         if report_object:
 739             report_object.save()
 740             return redirect(
 741                 request,
 742                 'index')
 743
 744
 745     return render_to_response(
 746         request,
 747         'mediagoblin/user_pages/report.html',
 748         context)
 749
 750 @require_active_login
 751 def activity_view(request):
 752     """ /<username>/activity/<id> - Display activity
 753
 754     This should display a HTML presentation of the activity
 755     this is NOT an API endpoint.
 756     """
 757     # Get the user object.
 758     username = request.matchdict["username"]
 759     user = LocalUser.query.filter_by(username=username).first()
 760
 761     activity_id = request.matchdict["id"]
 762
 763     if request.user is None:
 764         return render_404(request)
 765
 766     activity = Activity.query.filter_by(
 767         id=activity_id,
 768         author=user.id
 769     ).first()
 770
 771     # There isn't many places to check that the public_id is filled so this
 772     # will do, it really should be, lets try and fix that if it isn't.
 773     activity.get_public_id(request.urlgen)
 774
 775     if activity is None:
 776         return render_404(request)
 777
 778     return render_to_response(
 779         request,
 780         "mediagoblin/api/activity.html",
 781         {"activity": activity}
 782     )