Merge branch 'master' of git://gitorious.org/mediagoblin/mediagoblin
[mediagoblin.git] / mediagoblin / user_pages / views.py
index 28ef90d6b1c702fcd2239eaaf19ce095d4b27fdb..e5646faaed807835cd1bbd08fb62ae6d28d1c7ec 100644 (file)
 
 import logging
 import datetime
+import json
 
 from mediagoblin import messages, mg_globals
-from mediagoblin.db.util import DESCENDING, ObjectId
-from mediagoblin.db.sql.models import (MediaEntry, Collection, CollectionItem,
-                                       User)
-from mediagoblin.tools.response import render_to_response, render_404, redirect
+from mediagoblin.db.models import (MediaEntry, MediaTag, Collection,
+                                   CollectionItem, User)
+from mediagoblin.tools.response import render_to_response, render_404, \
+    redirect, redirect_obj
+from mediagoblin.tools.text import cleaned_markdown_conversion
 from mediagoblin.tools.translate import pass_to_ugettext as _
 from mediagoblin.tools.pagination import Pagination
-from mediagoblin.tools.files import delete_media_files
 from mediagoblin.user_pages import forms as user_forms
-from mediagoblin.user_pages.lib import send_comment_email
-
+from mediagoblin.user_pages.lib import add_media_to_collection
+from mediagoblin.notifications import trigger_notification, \
+    add_comment_subscription, mark_comment_notification_seen
 from mediagoblin.decorators import (uses_pagination, get_user_media_entry,
+    get_media_entry_by_id,
     require_active_login, user_may_delete_media, user_may_alter_collection,
     get_user_collection, get_user_collection_item, active_user_from_url)
 
 from werkzeug.contrib.atom import AtomFeed
+from werkzeug.exceptions import MethodNotAllowed
+from werkzeug.wrappers import Response
 
 
 _log = logging.getLogger(__name__)
@@ -56,7 +61,7 @@ def user_home(request, page):
 
     cursor = MediaEntry.query.\
         filter_by(uploader = user.id,
-                  state = u'processed').sort('created', DESCENDING)
+                  state = u'processed').order_by(MediaEntry.created.desc())
 
     pagination = Pagination(page, cursor)
     media_entries = pagination()
@@ -82,10 +87,17 @@ def user_home(request, page):
 @uses_pagination
 def user_gallery(request, page, url_user=None):
     """'Gallery' of a User()"""
+    tag = request.matchdict.get('tag', None)
     cursor = MediaEntry.query.filter_by(
         uploader=url_user.id,
         state=u'processed').order_by(MediaEntry.created.desc())
 
+    # Filter potentially by tag too:
+    if tag:
+        cursor = cursor.filter(
+            MediaEntry.tags_helper.any(
+                MediaTag.slug == request.matchdict['tag']))
+
     # Paginate gallery
     pagination = Pagination(page, cursor)
     media_entries = pagination()
@@ -98,10 +110,11 @@ def user_gallery(request, page, url_user=None):
     return render_to_response(
         request,
         'mediagoblin/user_pages/gallery.html',
-        {'user': url_user,
+        {'user': url_user, 'tag': tag,
          'media_entries': media_entries,
          'pagination': pagination})
 
+
 MEDIA_COMMENTS_PER_PAGE = 50
 
 
@@ -111,12 +124,16 @@ def media_home(request, media, page, **kwargs):
     """
     'Homepage' of a MediaEntry()
     """
-    if request.matchdict.get('comment', None):
+    comment_id = request.matchdict.get('comment', None)
+    if comment_id:
+        if request.user:
+            mark_comment_notification_seen(comment_id, request.user)
+
         pagination = Pagination(
             page, media.get_comments(
                 mg_globals.app_config['comments_ascending']),
             MEDIA_COMMENTS_PER_PAGE,
-            ObjectId(request.matchdict.get('comment')))
+            comment_id)
     else:
         pagination = Pagination(
             page, media.get_comments(
@@ -127,7 +144,7 @@ def media_home(request, media, page, **kwargs):
 
     comment_form = user_forms.MediaCommentForm(request.form)
 
-    media_template_name = media.media_manager['display_template']
+    media_template_name = media.media_manager.display_template
 
     return render_to_response(
         request,
@@ -139,20 +156,28 @@ def media_home(request, media, page, **kwargs):
          'app_config': mg_globals.app_config})
 
 
-@get_user_media_entry
+@get_media_entry_by_id
 @require_active_login
 def media_post_comment(request, media):
     """
     recieves POST from a MediaEntry() comment form, saves the comment.
     """
-    assert request.method == 'POST'
+    if not request.method == 'POST':
+        raise MethodNotAllowed()
 
     comment = request.db.MediaComment()
     comment.media_entry = media.id
     comment.author = request.user.id
+    print request.form['comment_content']
     comment.content = unicode(request.form['comment_content'])
 
-    if not comment.content.strip():
+    # Show error message if commenting is disabled.
+    if not mg_globals.app_config['allow_comments']:
+        messages.add_message(
+            request,
+            messages.ERROR,
+            _("Sorry, comments are disabled."))
+    elif not comment.content.strip():
         messages.add_message(
             request,
             messages.ERROR,
@@ -164,16 +189,26 @@ def media_post_comment(request, media):
             request, messages.SUCCESS,
             _('Your comment has been posted!'))
 
-        media_uploader = media.get_uploader
-        #don't send email if you comment on your own post
-        if (comment.author != media_uploader and
-            media_uploader.wants_comment_notification):
-            send_comment_email(media_uploader, comment, media, request)
+        trigger_notification(comment, media, request)
 
-    return redirect(request, location=media.url_for_self(request.urlgen))
+        add_comment_subscription(request.user, media)
 
+    return redirect_obj(request, media)
 
-@get_user_media_entry
+
+
+def media_preview_comment(request):
+    """Runs a comment through markdown so it can be previewed."""
+    # If this isn't an ajax request, render_404
+    if not request.is_xhr:
+        return render_404(request)
+
+    comment = unicode(request.form['comment_content'])
+    cleancomment = { "content":cleaned_markdown_conversion(comment)}
+
+    return Response(json.dumps(cleancomment))
+
+@get_media_entry_by_id
 @require_active_login
 def media_collect(request, media):
     """Add media to collection submission"""
@@ -197,105 +232,105 @@ def media_collect(request, media):
 
     # If we are here, method=POST and the form is valid, submit things.
     # If the user is adding a new collection, use that:
-    if request.form['collection_title']:
+    if form.collection_title.data:
         # Make sure this user isn't duplicating an existing collection
         existing_collection = Collection.query.filter_by(
                                 creator=request.user.id,
-                                title=request.form['collection_title']).first()
+                                title=form.collection_title.data).first()
         if existing_collection:
             messages.add_message(request, messages.ERROR,
-                _('You already have a collection called "%s"!'
-                  % collection.title))
+                _('You already have a collection called "%s"!')
+                % existing_collection.title)
             return redirect(request, "mediagoblin.user_pages.media_home",
-                            user=request.user.username,
-                            media=media.id)
+                            user=media.get_uploader.username,
+                            media=media.slug_or_id)
 
         collection = Collection()
-        collection.title = request.form['collection_title']
-        collection.description = request.form.get('collection_description')
+        collection.title = form.collection_title.data
+        collection.description = form.collection_description.data
         collection.creator = request.user.id
         collection.generate_slug()
         collection.save()
 
     # Otherwise, use the collection selected from the drop-down
     else:
-        collection = Collection.query.filter_by(
-            id=request.form.get('collection')).first()
+        collection = form.collection.data
+        if collection and collection.creator != request.user.id:
+            collection = None
 
     # Make sure the user actually selected a collection
     if not collection:
         messages.add_message(
             request, messages.ERROR,
             _('You have to select or add a collection'))
+        return redirect(request, "mediagoblin.user_pages.media_collect",
+                    user=media.get_uploader.username,
+                    media_id=media.id)
+
 
     # Check whether media already exists in collection
     elif CollectionItem.query.filter_by(
         media_entry=media.id,
         collection=collection.id).first():
         messages.add_message(request, messages.ERROR,
-            _('"%s" already in collection "%s"'
-                % (media.title, collection.title)))
+                             _('"%s" already in collection "%s"')
+                             % (media.title, collection.title))
     else: # Add item to collection
-        collection_item = request.db.CollectionItem()
-        collection_item.collection = collection.id
-        collection_item.media_entry = media.id
-        collection_item.author = request.user.id
-        collection_item.note = request.form['note']
-        collection_item.save()
-
-        collection.items = collection.items + 1
-        collection.save()
-
-        media.collected = media.collected + 1
-        media.save()
+        add_media_to_collection(collection, media, form.note.data)
 
         messages.add_message(request, messages.SUCCESS,
-                             _('"%s" added to collection "%s"'
-                               % (media.title, collection.title)))
+                             _('"%s" added to collection "%s"')
+                             % (media.title, collection.title))
 
-    return redirect(request, "mediagoblin.user_pages.media_home",
-                    user=media.get_uploader.username,
-                    media=media.id)
+    return redirect_obj(request, media)
 
 
 #TODO: Why does @user_may_delete_media not implicate @require_active_login?
-@get_user_media_entry
-@require_active_login
-@user_may_delete_media
-def media_confirm_delete(request, media):
 
+@require_active_login
+def media_confirm_delete(request):
+    
+    allowed_state = [u'failed', u'processed']
+    media = None
+    for media_state in allowed_state:
+        media = request.db.MediaEntry.query.filter_by(id=request.matchdict['media_id'], state=media_state).first()
+        if media:
+            break
+    
+    if not media:
+        return render_404(request)
+    
+    given_username = request.matchdict.get('user')
+    if given_username and (given_username != media.get_uploader.username):
+        return render_404(request)
+    
+    uploader_id = media.uploader
+    if not (request.user.is_admin or
+            request.user.id == uploader_id):
+        raise Forbidden()
+    
     form = user_forms.ConfirmDeleteForm(request.form)
 
     if request.method == 'POST' and form.validate():
         if form.confirm.data is True:
             username = media.get_uploader.username
-
-            # Delete all the associated comments
-            for comment in media.get_comments():
-                comment.delete()
-
-            # Delete all files on the public storage
-            try:
-                delete_media_files(media)
-            except OSError, error:
-                _log.error('No such files from the user "{1}"'
-                           ' to delete: {0}'.format(str(error), username))
-                messages.add_message(request, messages.ERROR,
-                                     _('Some of the files with this entry seem'
-                                       ' to be missing.  Deleting anyway.'))
-
+            # Delete MediaEntry and all related files, comments etc.
             media.delete()
             messages.add_message(
                 request, messages.SUCCESS, _('You deleted the media.'))
 
-            return redirect(request, "mediagoblin.user_pages.user_home",
-                user=username)
+            location = media.url_to_next(request.urlgen)
+            if not location:
+                location=media.url_to_prev(request.urlgen)
+            if not location:
+                location=request.urlgen("mediagoblin.user_pages.user_home",
+                                        user=username)
+            return redirect(request, location=location)
         else:
             messages.add_message(
                 request, messages.ERROR,
                 _("The media was not deleted because you didn't check that you were sure."))
-            return redirect(request,
-                            location=media.url_for_self(request.urlgen))
+            return redirect_obj(request, media)
 
     if ((request.user.is_admin and
          request.user.id != media.uploader)):
@@ -319,6 +354,9 @@ def user_collection(request, page, url_user=None):
         get_creator=url_user,
         slug=request.matchdict['collection']).first()
 
+    if not collection:
+        return render_404(request)
+
     cursor = collection.get_collection_items()
 
     pagination = Pagination(page, cursor)
@@ -338,6 +376,19 @@ def user_collection(request, page, url_user=None):
          'pagination': pagination})
 
 
+@active_user_from_url
+def collection_list(request, url_user=None):
+    """A User-defined Collection"""
+    collections = Collection.query.filter_by(
+        get_creator=url_user)
+
+    return render_to_response(
+        request,
+        'mediagoblin/user_pages/collection_list.html',
+        {'user': url_user,
+         'collections': collections})
+
+
 @get_user_collection_item
 @require_active_login
 @user_may_alter_collection
@@ -365,9 +416,7 @@ def collection_item_confirm_remove(request, collection_item):
                 request, messages.ERROR,
                 _("The item was not removed because you didn't check that you were sure."))
 
-        return redirect(request, "mediagoblin.user_pages.user_collection",
-                        user=username,
-                        collection=collection.slug)
+        return redirect_obj(request, collection)
 
     if ((request.user.is_admin and
          request.user.id != collection_item.in_collection.creator)):
@@ -405,8 +454,8 @@ def collection_confirm_delete(request, collection):
                 item.delete()
 
             collection.delete()
-            messages.add_message(
-                request, messages.SUCCESS, _('You deleted the collection "%s"' % collection_title))
+            messages.add_message(request, messages.SUCCESS,
+                _('You deleted the collection "%s"') % collection_title)
 
             return redirect(request, "mediagoblin.user_pages.user_home",
                 user=username)
@@ -415,9 +464,7 @@ def collection_confirm_delete(request, collection):
                 request, messages.ERROR,
                 _("The collection was not deleted because you didn't check that you were sure."))
 
-            return redirect(request, "mediagoblin.user_pages.user_collection",
-                            user=username,
-                            collection=collection.slug)
+            return redirect_obj(request, collection)
 
     if ((request.user.is_admin and
          request.user.id != collection.creator)):
@@ -449,7 +496,7 @@ def atom_feed(request):
     cursor = MediaEntry.query.filter_by(
         uploader = user.id,
         state = u'processed').\
-        sort('created', DESCENDING).\
+        order_by(MediaEntry.created.desc()).\
         limit(ATOM_DEFAULT_NR_OF_UPDATED_ITEMS)
 
     """
@@ -512,19 +559,19 @@ def collection_atom_feed(request):
     collection = Collection.query.filter_by(
                creator=user.id,
                slug=request.matchdict['collection']).first()
+    if not collection:
+        return render_404(request)
 
     cursor = CollectionItem.query.filter_by(
                  collection=collection.id) \
-                 .sort(CollectionItem.added.desc()) \
+                 .order_by(CollectionItem.added.desc()) \
                  .limit(ATOM_DEFAULT_NR_OF_UPDATED_ITEMS)
 
     """
     ATOM feed id is a tag URI (see http://en.wikipedia.org/wiki/Tag_URI)
     """
     atomlinks = [{
-           'href': request.urlgen(
-               'mediagoblin.user_pages.user_collection',
-               qualified=True, user=request.matchdict['user'], collection=collection.slug),
+           'href': collection.url_for_self(request.urlgen, qualified=True),
            'rel': 'alternate',
            'type': 'text/html'
            }]
@@ -536,14 +583,16 @@ def collection_atom_feed(request):
                 'href': push_url})
 
     feed = AtomFeed(
-               "MediaGoblin: Feed for %s's collection %s" % (request.matchdict['user'], collection.title),
-               feed_url=request.url,
-               id='tag:{host},{year}:collection.user-{user}.title-{title}'.format(
-                   host=request.host,
-                   year=datetime.datetime.today().strftime('%Y'),
-                   user=request.matchdict['user'],
-                   title=collection.title),
-               links=atomlinks)
+                "MediaGoblin: Feed for %s's collection %s" %
+                (request.matchdict['user'], collection.title),
+                feed_url=request.url,
+                id=u'tag:{host},{year}:gnu-mediagoblin.{user}.collection.{slug}'\
+                    .format(
+                    host=request.host,
+                    year=collection.created.strftime('%Y'),
+                    user=request.matchdict['user'],
+                    slug=collection.slug),
+                links=atomlinks)
 
     for item in cursor:
         entry = item.get_media_entry