Ejemplo n.º 1
0
def voting_widget_view(request):
    user_id = authenticated_userid(request) or Everyone
    ctx = request.context
    view = (request.matchdict or {}).get('view', None)\
        or ctx.get_default_view() or 'default'
    widget = ctx._instance
    permissions = get_permissions(
        user_id, ctx.get_discussion_id())
    json = widget.generic_json(view, user_id, permissions)
    #json['discussion'] = ...
    if user_id != Everyone:
        user = User.get(user_id)
        json['user'] = user.generic_json(view, user_id, permissions)
        json['user_permissions'] = get_permissions(
            user_id, widget.get_discussion_id())
        user_state = widget.get_user_state(user_id)
        if user_state is not None:
            json['user_state'] = user_state
    target_id = request.GET.get('target', None)
    if target_id and Idea.get_database_id(target_id):
        json['user_votes_url'] = widget.get_user_votes_url(target_id)
        json['voting_urls'] = widget.get_voting_urls(target_id)
    json['criteria'] = [idea.generic_json(view, user_id, permissions)
                        for idea in widget.criteria]
    return json
Ejemplo n.º 2
0
def voting_widget_view(request):
    user_id = authenticated_userid(request) or Everyone
    ctx = request.context
    view = (request.matchdict or {}).get('view', None)\
        or ctx.get_default_view() or 'default'
    widget = ctx._instance
    permissions = get_permissions(user_id, ctx.get_discussion_id())
    json = widget.generic_json(view, user_id, permissions)
    #json['discussion'] = ...
    if user_id != Everyone:
        user = User.get(user_id)
        json['user'] = user.generic_json(view, user_id, permissions)
        json['user_permissions'] = get_permissions(user_id,
                                                   widget.get_discussion_id())
        user_state = widget.get_user_state(user_id)
        if user_state is not None:
            json['user_state'] = user_state
    target_id = request.GET.get('target', None)
    if target_id and Idea.get_database_id(target_id):
        json['user_votes_url'] = widget.get_user_votes_url(target_id)
        json['voting_urls'] = widget.get_voting_urls(target_id)
    json['criteria'] = [
        idea.generic_json(view, user_id, permissions)
        for idea in widget.criteria
    ]
    return json
Ejemplo n.º 3
0
def get_posts(request):
    """
    Query interface on posts
    Filters have two forms:
    only_*, is for filters that cannot be reversed (ex: only_synthesis, only_orphan)
    is_*, is for filters that can be reversed (ex:is_unread=true returns only unread
     message, is_unread=false returns only read messages)
    order: can be chronological, reverse_chronological, popularity
    root_post_id: all posts below the one specified.
    family_post_id: all posts below the one specified, and all its ancestors.
    post_reply_to: replies to a given post
    root_idea_id: all posts associated with the given idea
    ids: explicit message ids.
    posted_after_date, posted_before_date: date selection (ISO format)
    post_author: filter by author
    keyword: use full-text search
    locale: restrict to locale
    """
    localizer = request.localizer
    discussion = request.context

    discussion.import_from_sources()

    user_id = authenticated_userid(request) or Everyone
    permissions = request.permissions

    DEFAULT_PAGE_SIZE = 25
    page_size = DEFAULT_PAGE_SIZE

    filter_names = [
        filter_name for filter_name in request.GET.getone('filters').split(',')
        if filter_name
    ] if request.GET.get('filters') else []

    try:
        page = int(request.GET.getone('page'))
    except (ValueError, KeyError):
        page = 1

    keywords = request.GET.getall('keyword')

    order = request.GET.get('order')
    if order is None:
        order = 'chronological'
    assert order in ('chronological', 'reverse_chronological', 'score',
                     'popularity')
    if order == 'score' and not keywords:
        raise HTTPBadRequest("Cannot ask for a score without keywords")

    if page < 1:
        page = 1

    root_post_id = request.GET.getall('root_post_id')
    if root_post_id:
        root_post_id = Post.get_database_id(root_post_id[0])
    family_post_id = request.GET.getall('family_post_id')
    if family_post_id:
        family_post_id = Post.get_database_id(family_post_id[0])

    root_idea_id = request.GET.getall('root_idea_id')
    if root_idea_id:
        root_idea_id = Idea.get_database_id(root_idea_id[0])

    ids = request.GET.getall('ids[]')
    if ids:
        ids = [Post.get_database_id(id) for id in ids]

    view_def = request.GET.get('view') or 'default'

    only_synthesis = request.GET.get('only_synthesis')

    post_author_id = request.GET.get('post_author')
    if post_author_id:
        post_author_id = AgentProfile.get_database_id(post_author_id)
        assert AgentProfile.get(
            post_author_id
        ), "Unable to find agent profile with id " + post_author_id

    post_replies_to = request.GET.get('post_replies_to')
    if post_replies_to:
        post_replies_to = AgentProfile.get_database_id(post_replies_to)
        assert AgentProfile.get(
            post_replies_to
        ), "Unable to find agent profile with id " + post_replies_to

    posted_after_date = request.GET.get('posted_after_date')
    posted_before_date = request.GET.get('posted_before_date')

    PostClass = SynthesisPost if only_synthesis == "true" else Post
    posts = discussion.db.query(PostClass)

    posts = posts.filter(PostClass.discussion == discussion, )
    ##no_of_posts_to_discussion = posts.count()

    post_data = []

    # True means deleted only, False (default) means non-deleted only. None means both.

    deleted = request.GET.get('deleted', None)
    if deleted is None:
        if not ids:
            deleted = False
        else:
            deleted = None
    elif deleted.lower() == "any":
        deleted = None
    else:
        deleted = asbool(deleted)
    # if deleted is not in (False, True, None):
    #    deleted = False
    # end v4

    only_orphan = asbool(request.GET.get('only_orphan', False))
    if only_orphan:
        if root_idea_id:
            raise HTTPBadRequest(
                localizer.translate(
                    _("Getting orphan posts of a specific idea isn't supported."
                      )))
        orphans = Idea._get_orphan_posts_statement(
            discussion.id, True, include_deleted=deleted).subquery("orphans")
        posts = posts.join(orphans, PostClass.id == orphans.c.post_id)

    if root_idea_id:
        related = Idea.get_related_posts_query_c(discussion.id,
                                                 root_idea_id,
                                                 True,
                                                 include_deleted=deleted)
        posts = posts.join(related, PostClass.id == related.c.post_id)
    elif not only_orphan:
        if deleted is not None:
            if deleted:
                posts = posts.filter(
                    PostClass.publication_state.in_(
                        deleted_publication_states))
            else:
                posts = posts.filter(PostClass.tombstone_date == None)

    if root_post_id:
        root_post = Post.get(root_post_id)

        posts = posts.filter((Post.ancestry.like(root_post.ancestry +
                                                 cast(root_post.id, String) +
                                                 ',%'))
                             | (PostClass.id == root_post.id))
    elif family_post_id:
        root_post = Post.get(family_post_id)
        ancestor_ids = root_post.ancestor_ids()
        posts = posts.filter((Post.ancestry.like(root_post.ancestry +
                                                 cast(root_post.id, String) +
                                                 ',%'))
                             | (PostClass.id == root_post.id)
                             | (PostClass.id.in_(ancestor_ids)))
    else:
        root_post = None

    if ids:
        posts = posts.filter(Post.id.in_(ids))

    if posted_after_date:
        posted_after_date = parse_datetime(posted_after_date)
        if posted_after_date:
            posts = posts.filter(PostClass.creation_date >= posted_after_date)
        #Maybe we should do something if the date is invalid.  benoitg

    if posted_before_date:
        posted_before_date = parse_datetime(posted_before_date)
        if posted_before_date:
            posts = posts.filter(PostClass.creation_date <= posted_before_date)
        #Maybe we should do something if the date is invalid.  benoitg

    if post_author_id:
        posts = posts.filter(PostClass.creator_id == post_author_id)

    if post_replies_to:
        parent_alias = aliased(PostClass)
        posts = posts.join(parent_alias, PostClass.parent)
        posts = posts.filter(parent_alias.creator_id == post_replies_to)

    if keywords:
        locales = request.GET.getall('locale')
        posts, rank = add_text_search(posts, (PostClass.body_id, ), keywords,
                                      locales, order == 'score')

    # Post read/unread management
    is_unread = request.GET.get('is_unread')
    translations = None
    if user_id != Everyone:
        # This is horrible, but the join creates complex subqueries that
        # virtuoso cannot decode properly.
        read_posts = {
            v.post_id
            for v in discussion.db.query(ViewPost).filter(
                ViewPost.tombstone_condition(), ViewPost.actor_id == user_id,
                *ViewPost.get_discussion_conditions(discussion.id))
        }
        liked_posts = {
            l.post_id: l.id
            for l in discussion.db.query(LikedPost).filter(
                LikedPost.tombstone_condition(), LikedPost.actor_id == user_id,
                *LikedPost.get_discussion_conditions(discussion.id))
        }
        if is_unread != None:
            posts = posts.outerjoin(
                ViewPost,
                and_(ViewPost.actor_id == user_id,
                     ViewPost.post_id == PostClass.id,
                     ViewPost.tombstone_date == None))
            if is_unread == "true":
                posts = posts.filter(ViewPost.id == None)
            elif is_unread == "false":
                posts = posts.filter(ViewPost.id != None)
        user = AgentProfile.get(user_id)
        service = discussion.translation_service()
        if service.canTranslate is not None:
            translations = PrefCollectionTranslationTable(
                service, LanguagePreferenceCollection.getCurrent(request))
    else:
        #If there is no user_id, all posts are always unread
        if is_unread == "false":
            raise HTTPBadRequest(
                localizer.translate(
                    _("You must be logged in to view which posts are read")))

    # posts = posts.options(contains_eager(Post.source))
    # Horrible hack... But useful for structure load
    if view_def in ('partial_post', 'id_only'):
        pass  # posts = posts.options(defer(Post.body))
    else:
        ideaContentLinkQuery = posts.with_entities(
            PostClass.id, PostClass.idea_content_links_above_post)
        ideaContentLinkCache = dict(ideaContentLinkQuery.all())
        posts = posts.options(
            # undefer(Post.idea_content_links_above_post),
            joinedload_all(Post.creator),
            joinedload_all(Post.extracts),
            joinedload_all(Post.widget_idea_links),
            joinedload_all(SynthesisPost.publishes_synthesis),
            subqueryload_all(Post.attachments))
        if len(discussion.discussion_locales) > 1:
            posts = posts.options(*Content.subqueryload_options())
        else:
            posts = posts.options(*Content.joinedload_options())

    if order == 'chronological':
        posts = posts.order_by(Content.creation_date)
    elif order == 'reverse_chronological':
        posts = posts.order_by(Content.creation_date.desc())
    elif order == 'score':
        posts = posts.order_by(rank.desc())
    elif order == 'popularity':
        # assume reverse chronological otherwise
        posts = posts.order_by(Content.like_count.desc(),
                               Content.creation_date.desc())
    else:
        posts = posts.order_by(Content.id)
    # print str(posts)

    no_of_posts = 0
    no_of_posts_viewed_by_user = 0

    if deleted is True:
        # We just got deleted posts, now we want their ancestors for context
        post_ids = set()
        ancestor_ids = set()

        def add_ancestors(post):
            post_ids.add(post.id)
            ancestor_ids.update(
                [int(x) for x in post.ancestry.strip(",").split(",") if x])

        posts = list(posts)
        for post in posts:
            add_ancestors(post)
        ancestor_ids -= post_ids
        if ancestor_ids:
            ancestors = discussion.db.query(PostClass).filter(
                PostClass.id.in_(ancestor_ids))
            if view_def in ('partial_post', 'id_only'):
                pass  # ancestors = ancestors.options(defer(Post.body))
            else:
                ancestors = ancestors.options(
                    # undefer(Post.idea_content_links_above_post),
                    joinedload_all(Post.creator),
                    joinedload_all(Post.extracts),
                    joinedload_all(Post.widget_idea_links),
                    joinedload_all(SynthesisPost.publishes_synthesis),
                    subqueryload_all(Post.attachments))
                if len(discussion.discussion_locales) > 1:
                    ancestors = ancestors.options(
                        *Content.subqueryload_options())
                else:
                    ancestors = ancestors.options(
                        *Content.joinedload_options())
            posts.extend(ancestors.all())

    if view_def == 'id_only':
        posts = posts.with_entities(PostClass.id)

    for query_result in posts:
        score, viewpost, likedpost = None, None, None
        if not isinstance(query_result, (list, tuple)):
            query_result = [query_result]
        post = query_result[0]
        no_of_posts += 1
        if view_def == 'id_only':
            post_data.append(Content.uri_generic(post))
            continue
        if deleted is True:
            add_ancestors(post)

        if user_id != Everyone:
            viewpost = post.id in read_posts
            likedpost = liked_posts.get(post.id, None)
            if view_def not in ("partial_post", "id_only"):
                translate_content(post,
                                  translation_table=translations,
                                  service=service)
        serializable_post = post.generic_json(view_def, user_id,
                                              permissions) or {}
        if order == 'score':
            score = query_result[1]
            serializable_post['score'] = score

        if viewpost:
            serializable_post['read'] = True
            no_of_posts_viewed_by_user += 1
        elif user_id != Everyone and root_post is not None and root_post.id == post.id:
            # Mark post read, we requested it explicitely
            viewed_post = ViewPost(actor_id=user_id, post=root_post)
            discussion.db.add(viewed_post)
            serializable_post['read'] = True
        else:
            serializable_post['read'] = False
        # serializable_post['liked'] = likedpost.uri() if likedpost else False
        serializable_post['liked'] = (LikedPost.uri_generic(likedpost)
                                      if likedpost else False)
        if view_def not in ("partial_post", "id_only"):
            serializable_post['indirect_idea_content_links'] = (
                post.indirect_idea_content_links_with_cache(
                    ideaContentLinkCache.get(post.id, None)))

        post_data.append(serializable_post)

    # Benoitg:  For now, this completely garbles threading without intelligent
    #handling of pagination.  Disabling
    #posts = posts.limit(page_size).offset(data['startIndex']-1)
    # This code isn't up to date.  If limiting the query by page, we need to
    # calculate the counts with a separate query to have the right number of
    # results
    #no_of_messages_viewed_by_user = discussion.db.query(ViewPost).join(
    #    Post
    #).filter(
    #    Post.discussion_id == discussion.id,
    #    ViewPost.actor_id == user_id,
    #).count() if user_id else 0

    data = {}
    data["page"] = page
    data["unread"] = no_of_posts - no_of_posts_viewed_by_user
    data["total"] = no_of_posts
    data["maxPage"] = max(1, ceil(data["total"] / page_size))
    #TODO:  Check if we want 1 based index in the api
    data["startIndex"] = (page_size * page) - (page_size - 1)

    if data["page"] == data["maxPage"]:
        data["endIndex"] = data["total"]
    else:
        data["endIndex"] = data["startIndex"] + (page_size - 1)
    data["posts"] = post_data

    return data
Ejemplo n.º 4
0
def _get_ideas_real(request, view_def=None, ids=None, user_id=None):
    discussion = request.discussion
    user_id = user_id or Everyone
    # optimization: Recursive widget links.
    from assembl.models import (Widget, IdeaWidgetLink,
                                IdeaDescendantsShowingWidgetLink)
    universal_widget_links = []
    by_idea_widget_links = defaultdict(list)
    widget_links = discussion.db.query(IdeaWidgetLink).join(Widget).join(
        Discussion).filter(
            Widget.test_active(), Discussion.id == discussion.id,
            IdeaDescendantsShowingWidgetLink.polymorphic_filter()).options(
                joinedload(IdeaWidgetLink.idea)).all()
    for wlink in widget_links:
        if isinstance(wlink.idea, RootIdea):
            universal_widget_links.append({
                '@type':
                wlink.external_typename(),
                'widget':
                Widget.uri_generic(wlink.widget_id)
            })
        else:
            for id in wlink.idea.get_all_descendants(True):
                by_idea_widget_links[Idea.uri_generic(id)].append({
                    '@type':
                    wlink.external_typename(),
                    'widget':
                    Widget.uri_generic(wlink.widget_id)
                })

    next_synthesis_id = discussion.get_next_synthesis_id()
    ideas = discussion.db.query(Idea).filter_by(discussion=discussion)

    ideas = ideas.outerjoin(
        SubGraphIdeaAssociation,
        and_(SubGraphIdeaAssociation.sub_graph_id == next_synthesis_id,
             SubGraphIdeaAssociation.idea_id == Idea.id))

    ideas = ideas.outerjoin(IdeaLink, IdeaLink.target_id == Idea.id)

    ideas = ideas.order_by(IdeaLink.order, Idea.creation_date)

    if ids:
        ids = [Idea.get_database_id(id) for id in ids]
        ideas = ideas.filter(Idea.id.in_(ids))
    # remove tombstones
    ideas = ideas.filter(and_(*Idea.base_conditions()))
    ideas = ideas.options(
        joinedload(Idea.source_links),
        subqueryload(Idea.attachments).joinedload("document"),
        subqueryload(Idea.widget_links),
        joinedload(Idea.title).subqueryload("entries"),
        joinedload(Idea.synthesis_title).subqueryload("entries"),
        joinedload(Idea.description).subqueryload("entries"),
        undefer(Idea.num_children))

    permissions = request.permissions
    Idea.prepare_counters(discussion.id, True)
    # ideas = list(ideas)
    # import cProfile
    # cProfile.runctx('''retval = [idea.generic_json(None, %d, %s)
    #           for idea in ideas]''' % (user_id, permissions),
    #           globals(), locals(), 'json_stats')
    retval = [
        idea.generic_json(view_def, user_id, permissions) for idea in ideas
    ]
    retval = [x for x in retval if x is not None]
    for r in retval:
        if r.get('widget_links', None) is not None:
            links = r['widget_links'][:]
            links.extend(universal_widget_links)
            links.extend(by_idea_widget_links[r['@id']])
            r['active_widget_links'] = links
    return retval
Ejemplo n.º 5
0
def save_idea(request):
    """Update this idea.

    In case the ``parentId`` is changed, handle all
    ``IdeaLink`` changes and send relevant ideas on the socket."""
    discussion = request.context
    user_id = authenticated_userid(request)
    permissions = request.permissions
    idea_id = request.matchdict['id']
    idea_data = json.loads(request.body)
    # Idea.default_db.execute('set transaction isolation level read committed')
    # Special items in TOC, like unsorted posts.
    if idea_id in ['orphan_posts']:
        return {'ok': False, 'id': Idea.uri_generic(idea_id)}

    idea = Idea.get_instance(idea_id)
    db = idea.db
    if not idea:
        raise HTTPNotFound("No such idea: %s" % (idea_id))
    if isinstance(idea, RootIdea):
        raise HTTPBadRequest("Cannot edit root idea.")
    if (idea.discussion_id != discussion.id):
        raise HTTPBadRequest(
            "Idea from discussion %s cannot be saved from different discussion (%s)."
            % (idea.discussion_id, discussion.id))

    context = idea.get_instance_context(request=request)
    for key, attr_name in langstring_fields.items():
        if key in idea_data:
            current = getattr(idea, attr_name)
            ls_data = idea_data[key]
            # TODO: handle legacy string instance?
            subcontext = idea.get_collection_context(key, context)
            if current:
                if ls_data:
                    current.update_from_json(ls_data,
                                             context=subcontext,
                                             permissions=permissions)
                else:
                    current.delete()
            elif ls_data:
                current = LangString.create_from_json(ls_data,
                                                      context=subcontext)
                setattr(idea, attr_name, current._instance)

    new_parent_id = idea_data.get('parentId', None)
    if new_parent_id:
        # TODO: Make sure this is sent as a list!
        # Actually, use embedded links to do this properly...
        new_parent_ids = {new_parent_id}
        old_parent_ids = {
            Idea.uri_generic(l.source_id)
            for l in idea.source_links
        }
        if new_parent_ids != old_parent_ids:
            added_parent_ids = new_parent_ids - old_parent_ids
            removed_parent_ids = old_parent_ids - new_parent_ids
            added_parents = [Idea.get_instance(id) for id in added_parent_ids]
            current_parents = idea.get_parents()
            removed_parents = [
                p for p in current_parents if p.uri() in removed_parent_ids
            ]
            if None in added_parents:
                missing = [
                    id for id in added_parent_ids if not Idea.get_instance(id)
                ]
                raise HTTPNotFound("Missing parentId %s" % (','.join(missing)))
            if not idea.has_permission_req(P_ASSOCIATE_IDEA):
                raise HTTPUnauthorized("Cannot associate idea " + idea.uri())
            for parent in added_parents + removed_parents:
                if not parent.has_permission_req(P_ASSOCIATE_IDEA):
                    raise HTTPUnauthorized("Cannot associate parent idea " +
                                           idea.uri())
            old_ancestors = set()
            new_ancestors = set()
            for parent in current_parents:
                old_ancestors.add(parent)
                old_ancestors.update(parent.get_all_ancestors())
            kill_links = {
                l
                for l in idea.source_links
                if Idea.uri_generic(l.source_id) in removed_parent_ids
            }
            order = idea_data.get('order', 0.0)
            for parent in added_parents:
                if kill_links:
                    link = kill_links.pop()
                    db.expire(link.source, ['target_links'])
                    link.copy(True)
                    link.order = order
                    link.source = parent
                else:
                    link = IdeaLink(source=source, target=idea, order=order)
                    db.add(link)
                db.expire(parent, ['target_links'])
                order += 1.0
            for link in kill_links:
                db.expire(link.source, ['target_links'])
                kill_links.is_tombstone = True
            db.expire(idea, ['source_links'])
            db.flush()
            for parent in idea.get_parents():
                new_ancestors.add(parent)
                new_ancestors.update(parent.get_all_ancestors())
            for ancestor in new_ancestors ^ old_ancestors:
                ancestor.send_to_changes()
        else:
            order = idea_data.get('order', None)
            if order is not None:
                new_parent_id = Idea.get_database_id(new_parent_id)
                parent_links = [
                    link for link in idea.source_links
                    if link.source_id == new_parent_id
                ]
                assert len(parent_links) == 1
                parent_links[0].order = idea_data.get('order', 0.0)

    if 'subtype' in idea_data:
        idea.rdf_type = idea_data['subtype']
    idea.send_to_changes()

    return {'ok': True, 'id': idea.uri()}