Beispiel #1
0
def post_ids_of(idea):
    related = text(
        Idea._get_related_posts_statement(),
        bindparams=[bindparam('root_idea_id', idea.id),
                    bindparam('discussion_id', idea.discussion_id)]
        ).columns(column('post_id')).alias('related')
    post_ids = idea.db.query(Content.id).join(
        related, Content.id == related.c.post_id)
    return [x for (x,) in post_ids]
Beispiel #2
0
def get_posts(request):
    """
    Query interface on posts
    Filters have two forms:
    only_*, is for filters that cannot be reversed (ex: only_synthesis)
    is_*, is for filters that can be reversed (ex:is_unread=true returns only unread
    order can be chronological, reverse_chronological
    message, is_unread=false returns only read messages)
    """
    localizer = request.localizer
    discussion_id = int(request.matchdict['discussion_id'])
    discussion = Discussion.get(int(discussion_id))
    if not discussion:
        raise HTTPNotFound(localizer.translate(
            _("No discussion found with id=%s")) % discussion_id)

    discussion.import_from_sources()

    user_id = authenticated_userid(request) or Everyone
    permissions = get_permissions(user_id, discussion_id)

    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

    text_search = request.GET.get('text_search', None)

    order = request.GET.get('order')
    if order == None:
        order = 'chronological'
    assert order in ('chronological', 'reverse_chronological', 'score')
    if order == 'score':
        assert text_search is not None

    if page < 1:
        page = 1

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

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

    ids = request.GET.getall('ids[]')
    if ids:
        ids = [get_database_id("Post", 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 = get_database_id("AgentProfile", 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 = get_database_id("AgentProfile", 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
    ideaContentLinkQuery = discussion.db.query(
        PostClass.id, PostClass.idea_content_links_above_post)
    if order == 'score':
        posts = discussion.db.query(PostClass, Content.body_text_index.score_name)
    else:
        posts = discussion.db.query(PostClass)

    posts = posts.filter(
        PostClass.discussion_id == discussion_id,
    )
    ideaContentLinkQuery = ideaContentLinkQuery.filter(
        PostClass.discussion_id == discussion_id)
    ##no_of_posts_to_discussion = posts.count()

    post_data = []

    only_orphan = request.GET.get('only_orphan')
    if only_orphan == "true":
        if root_idea_id:
            raise HTTPBadRequest(localizer.translate(
                _("Getting orphan posts of a specific idea isn't supported.")))
        orphans = text(Idea._get_orphan_posts_statement(),
                        bindparams=[bindparam('discussion_id', discussion_id)]
                        ).columns(column('post_id')).alias('orphans')
        posts = posts.join(orphans, PostClass.id==orphans.c.post_id)
        ideaContentLinkQuery = ideaContentLinkQuery.join(
            orphans, PostClass.id==orphans.c.post_id)
    elif only_orphan == "false":
        raise HTTPBadRequest(localizer.translate(
            _("Getting non-orphan posts isn't supported.")))

    # "true" means hidden only, "false" (default) means visible only. "any" means both.
    hidden = request.GET.get('hidden_messages', "false")
    if hidden != 'any':
        posts = posts.filter(PostClass.hidden==asbool(hidden))
        ideaContentLinkQuery = ideaContentLinkQuery.filter(
            PostClass.hidden==asbool(hidden))

    if root_idea_id:
        related = text(Idea._get_related_posts_statement(),
                    bindparams=[bindparam('root_idea_id', root_idea_id),
                    bindparam('discussion_id', discussion_id)]
                    ).columns(column('post_id')).alias('related')
        #Virtuoso bug: This should work...
        #posts = posts.join(related, PostClass.id==related.c.post_id)
        posts = posts.join(related, PostClass.id == related.c.post_id)
        ideaContentLinkQuery = ideaContentLinkQuery.join(
            related, PostClass.id == related.c.post_id)
    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))
            )
        ideaContentLinkQuery = ideaContentLinkQuery.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))
        ideaContentLinkQuery = ideaContentLinkQuery.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)
            ideaContentLinkQuery = ideaContentLinkQuery.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)
            ideaContentLinkQuery = posts.filter(
                ideaContentLinkQuery.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)
        ideaContentLinkQuery = ideaContentLinkQuery.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)
        ideaContentLinkQuery = ideaContentLinkQuery.join(
            parent_alias, PostClass.parent)
        ideaContentLinkQuery = ideaContentLinkQuery.filter(
            parent_alias.creator_id == post_replies_to)
    # 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:
            translations = user_pref_as_translation_table(user, service)
    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")))

    if text_search is not None:
        # another Virtuoso bug: offband kills score. but it helps speed.
        offband = () if (order == 'score') else None
        posts = posts.filter(Post.body_text_index.contains(
            text_search.encode('utf-8'), offband=offband))
        ideaContentLinkQuery = ideaContentLinkQuery.filter(
            Post.body_text_index.contains(
                text_search.encode('utf-8'), offband=offband))

    # posts = posts.options(contains_eager(Post.source))
    # Horrible hack... But useful for structure load
    if view_def == 'id_only':
        pass  # posts = posts.options(defer(Post.body))
    else:
        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())
        ideaContentLinkCache = dict(ideaContentLinkQuery.all())

    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(Content.body_text_index.score_name.desc())
    else:
        posts = posts.order_by(Content.id)
    print str(posts)

    no_of_posts = 0
    no_of_posts_viewed_by_user = 0

    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]
        if user_id != Everyone:
            viewpost = post.id in read_posts
            likedpost = liked_posts.get(post.id, None)
            if view_def != "id_only":
                translate_content(
                    post, translation_table=translations, service=service)
        no_of_posts += 1
        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 != "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(float(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
Beispiel #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)
    is_*, is for filters that can be reversed (ex:is_unread=true returns only unread
    order can be chronological, reverse_chronological
    message, is_unread=false returns only read messages)
    """
    localizer = request.localizer
    discussion_id = int(request.matchdict['discussion_id'])
    discussion = Discussion.get(int(discussion_id))
    if not discussion:
        raise HTTPNotFound(
            localizer.translate(_("No discussion found with id=%s")) %
            discussion_id)

    discussion.import_from_sources()

    user_id = authenticated_userid(request) or Everyone
    permissions = get_permissions(user_id, discussion_id)

    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

    text_search = request.GET.get('text_search', None)

    order = request.GET.get('order')
    if order == None:
        order = 'chronological'
    assert order in ('chronological', 'reverse_chronological', 'score')
    if order == 'score':
        assert text_search is not None

    if page < 1:
        page = 1

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

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

    ids = request.GET.getall('ids[]')
    if ids:
        ids = [get_database_id("Post", 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 = get_database_id("AgentProfile", 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 = get_database_id("AgentProfile", 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
    if order == 'score':
        posts = discussion.db.query(PostClass,
                                    Content.body_text_index.score_name)
    else:
        posts = discussion.db.query(PostClass)

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

    post_data = []

    only_orphan = request.GET.get('only_orphan')
    if only_orphan == "true":
        if root_idea_id:
            raise HTTPBadRequest(
                localizer.translate(
                    _("Getting orphan posts of a specific idea isn't supported."
                      )))
        orphans = text(Idea._get_orphan_posts_statement(),
                       bindparams=[
                           bindparam('discussion_id', discussion_id)
                       ]).columns(column('post_id')).alias('orphans')
        posts = posts.join(orphans, PostClass.id == orphans.c.post_id)
    elif only_orphan == "false":
        raise HTTPBadRequest(
            localizer.translate(
                _("Getting non-orphan posts isn't supported.")))

    # "true" means hidden only, "false" (default) means visible only. "any" means both.
    hidden = request.GET.get('hidden_messages', "false")
    if hidden != 'any':
        posts = posts.filter(PostClass.hidden == asbool(hidden))

    if root_idea_id:
        related = text(Idea._get_related_posts_statement(),
                       bindparams=[
                           bindparam('root_idea_id', root_idea_id),
                           bindparam('discussion_id', discussion_id)
                       ]).columns(column('post_id')).alias('related')
        #Virtuoso bug: This should work...
        #posts = posts.join(related, PostClass.id==related.c.post_id)
        posts = posts.join(related, PostClass.id == related.c.post_id)
    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)
    # Post read/unread management
    is_unread = request.GET.get('is_unread')
    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)
    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")))

    if text_search is not None:
        # another Virtuoso bug: offband kills score. but it helps speed.
        offband = () if (order == 'score') else None
        posts = posts.filter(
            Post.body_text_index.contains(text_search.encode('utf-8'),
                                          offband=offband))

    #posts = posts.options(contains_eager(Post.source))
    # Horrible hack... But useful for structure load
    if view_def == 'id_only':
        pass  # posts = posts.options(defer(Post.body))
    else:
        posts = posts.options(joinedload_all(Post.creator))
        posts = posts.options(joinedload_all(Post.extracts))
        posts = posts.options(joinedload_all(Post.widget_idea_links))
        posts = posts.options(joinedload_all(
            SynthesisPost.publishes_synthesis))

    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(Content.body_text_index.score_name.desc())
    print str(posts)

    no_of_posts = 0
    no_of_posts_viewed_by_user = 0

    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]
        if user_id != Everyone:
            viewpost = post.id in read_posts
            likedpost = liked_posts.get(post.id, None)
        no_of_posts += 1
        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

        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(float(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
Beispiel #4
0
def get_posts(request):
    """
    Query interface on posts
    Filters have two forms:
    only_*, is for filters that cannot be reversed (ex: only_synthesis)
    is_*, is for filters that can be reversed (ex:is_unread=true returns only unread
    order can be chronological, reverse_chronological
    message, is_unread=false returns only read messages)
    """
    localizer = get_localizer(request)
    discussion_id = int(request.matchdict["discussion_id"])
    discussion = Discussion.get(id=int(discussion_id))
    if not discussion:
        raise HTTPNotFound(localizer.translate(_("No discussion found with id=%s")) % discussion_id)

    discussion.import_from_sources()

    user_id = authenticated_userid(request)

    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

    order = request.GET.get("order")
    if order == None:
        order = "chronological"
    assert order in ("chronological", "reverse_chronological")

    if page < 1:
        page = 1

    root_post_id = request.GET.getall("root_post_id")
    if root_post_id:
        root_post_id = get_database_id("Post", root_post_id[0])

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

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

    view_def = request.GET.get("view")

    only_synthesis = request.GET.get("only_synthesis")
    if only_synthesis == "true":
        posts = Post.db.query(SynthesisPost)
    else:
        posts = Post.db.query(Post)

    posts = posts.filter(Post.discussion_id == discussion_id)
    ##no_of_posts_to_discussion = posts.count()

    post_data = []

    only_orphan = request.GET.get("only_orphan")
    if only_orphan == "true":
        if root_idea_id:
            raise HTTPBadRequest(localizer.translate(_("Getting orphan posts of a specific idea isn't supported.")))
        posts = posts.filter(
            Post.id.in_(
                text(Idea._get_orphan_posts_statement(), bindparams=[bindparam("discussion_id", discussion_id)])
            )
        )
    elif only_orphan == "false":
        raise HTTPBadRequest(localizer.translate(_("Getting non-orphan posts isn't supported.")))

    if root_idea_id:
        posts = posts.filter(
            Post.id.in_(
                text(
                    Idea._get_related_posts_statement(),
                    bindparams=[bindparam("root_idea_id", root_idea_id), bindparam("discussion_id", discussion_id)],
                )
            )
        )

    if root_post_id:
        root_post = Post.get(id=root_post_id)

        posts = posts.filter(
            (Post.ancestry.like(root_post.ancestry + cast(root_post.id, String) + ",%")) | (Post.id == root_post.id)
        )
    else:
        root_post = None

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

    # Post read/unread management
    is_unread = request.GET.get("is_unread")
    print "\n" + repr(is_unread) + "\n"
    if user_id:
        posts = posts.outerjoin(ViewPost, and_(ViewPost.actor_id == user_id, ViewPost.post_id == Post.id))
        posts = posts.add_entity(ViewPost)

        if is_unread == "true":
            posts = posts.filter(ViewPost.id == None)
        elif is_unread == "false":
            posts = posts.filter(ViewPost.id != None)
    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))
    posts = posts.options(joinedload_all(Post.creator))
    if order == "chronological":
        posts = posts.order_by(Content.creation_date)
    elif order == "reverse_chronological":
        posts = posts.order_by(Content.creation_date.desc())

    no_of_posts = 0
    no_of_posts_viewed_by_user = 0

    for query_result in posts:
        if user_id:
            post, viewpost = query_result
        else:
            post, viewpost = query_result, None
        no_of_posts += 1
        if view_def:
            serializable_post = post.generic_json(view_def)
        else:
            serializable_post = post.serializable()
        if viewpost:
            serializable_post["read"] = True
            no_of_posts_viewed_by_user += 1
        elif user_id 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)
            Post.db.add(viewed_post)
            serializable_post["read"] = True
        else:
            serializable_post["read"] = False

        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 = Post.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(float(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
Beispiel #5
0
def get_posts(request):
    discussion_id = int(request.matchdict['discussion_id'])
    discussion = Discussion.get(id=int(discussion_id))
    if not discussion:
        raise HTTPNotFound(_("No discussion found with id=%s" % discussion_id))

    discussion.import_from_sources()

    user_id = authenticated_userid(request)

    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

    if page < 1:
        page = 1

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

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

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

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


    #Rename "inbox" to "unread", the number of unread messages for the current user.
    no_of_messages_viewed_by_user = Post.db.query(ViewPost).join(
        Post,
        Content,
        Source
    ).filter(
        Source.discussion_id == discussion_id,
        Content.source_id == Source.id,
        ViewPost.actor_id == user_id,
    ).count() if user_id else 0

    posts = Post.db.query(Post).join(
        Content,
        Source,
    ).filter(
        Source.discussion_id == discussion_id,
        Content.source_id == Source.id,
    )
    no_of_posts_to_discussion = posts.count()

    post_data = []

    if root_idea_id:
        if root_idea_id == Idea.ORPHAN_POSTS_IDEA_ID:
            ideas_query = Post.db.query(Post) \
                .filter(Post.id.in_(text(Idea._get_orphan_posts_statement(),
                                         bindparams=[bindparam('discussion_id', discussion_id)]
                                         )))
        else:
            ideas_query = Post.db.query(Post) \
                .filter(Post.id.in_(text(Idea._get_related_posts_statement(),
                                         bindparams=[bindparam('root_idea_id', root_idea_id)]
                                         )))
        posts = ideas_query.join(Content,
                                 Source,
                                 )
    elif root_post_id:
        root_post = Post.get(id=root_post_id)

        posts = posts.filter(
            (Post.ancestry.like(
            root_post.ancestry + cast(root_post.id, String) + ',%'
            ))
            |
            (Post.id==root_post.id)
            )
        #Benoitg:  For now, this completely garbles threading without intelligent
        #handling of pagination.  Disabling
        #posts = posts.limit(page_size).offset(data['startIndex']-1)
    elif ids:
        posts = posts.filter(Post.id.in_(ids))

    if user_id:
        posts = posts.outerjoin(ViewPost,
                    and_(ViewPost.actor_id==user_id, ViewPost.post_id==Post.id)
                )
        posts = posts.add_entity(ViewPost)
    posts = posts.options(contains_eager(Post.content, Content.source))
    posts = posts.options(joinedload_all(Post.creator, AgentProfile.user))

    posts = posts.order_by(Content.creation_date)

    if 'synthesis' in filter_names:
        posts = posts.filter(Post.is_synthesis==True)

    if user_id:
        for post, viewpost in posts:
            if view_def:
                serializable_post = post.generic_json(view_def)
            else:
                serializable_post = post.serializable()
            if viewpost:
                serializable_post['read'] = True
            else:
                serializable_post['read'] = False
                if root_post_id:
                    viewed_post = ViewPost(
                        actor_id=user_id,
                        post=post
                    )

                    Post.db.add(viewed_post)
            post_data.append(serializable_post)
    else:
        for post in posts:
            if view_def:
                serializable_post = post.generic_json(view_def)
            else:
                serializable_post = post.serializable()
            post_data.append(serializable_post)

    data = {}
    data["page"] = page
    data["inbox"] = no_of_posts_to_discussion - no_of_messages_viewed_by_user
    #What is "total", the total messages in the current context?
    #This gave wrong count, I don't know why. benoitg
    #data["total"] = discussion.posts().count()
    data["total"] = no_of_posts_to_discussion
    data["maxPage"] = max(1, ceil(float(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
Beispiel #6
0
def get_posts(request):
    """
    Query interface on posts
    Filters have two forms:
    only_*, is for filters that cannot be reversed (ex: only_synthesis)
    is_*, is for filters that can be reversed (ex:is_unread=true returns only unread
    order can be chronological, reverse_chronological
    message, is_unread=false returns only read messages)
    """
    localizer = request.localizer
    discussion_id = int(request.matchdict['discussion_id'])
    discussion = Discussion.get(int(discussion_id))
    if not discussion:
        raise HTTPNotFound(localizer.translate(
            _("No discussion found with id=%s")) % discussion_id)

    discussion.import_from_sources()

    user_id = authenticated_userid(request)
    permissions = get_permissions(user_id, discussion_id)

    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

    order = request.GET.get('order')
    if order == None:
        order = 'chronological'
    assert order in ('chronological', 'reverse_chronological')
        
    if page < 1:
        page = 1

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

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

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

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

    only_synthesis = request.GET.get('only_synthesis')
    PostClass = SynthesisPost if only_synthesis == "true" else Post
    posts = Post.db.query(PostClass)

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

    post_data = []
    
    only_orphan = request.GET.get('only_orphan')
    if only_orphan == "true":
        if root_idea_id:
            raise HTTPBadRequest(localizer.translate(
                _("Getting orphan posts of a specific idea isn't supported.")))
        orphans = text(Idea._get_orphan_posts_statement(),
                        bindparams=[bindparam('discussion_id', discussion_id)]
                        ).columns(column('post_id')).alias('orphans')
        posts = posts.join(orphans, PostClass.id==orphans.c.post_id)
    elif only_orphan == "false":
        raise HTTPBadRequest(localizer.translate(
            _("Getting non-orphan posts isn't supported.")))

    if root_idea_id:
        related = text(Idea._get_related_posts_statement(),
                    bindparams=[bindparam('root_idea_id', root_idea_id),
                    bindparam('discussion_id', discussion_id)]
                    ).columns(column('post_id')).alias('related')
        #Virtuoso bug: This should work...
        #posts = posts.join(related, PostClass.id==related.c.post_id)
        posts = posts.filter(PostClass.id.in_(related))
    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)
            )
    else:
        root_post = None
    
    if ids:
        posts = posts.filter(Post.id.in_(ids))

    # Post read/unread management
    is_unread = request.GET.get('is_unread')
    if user_id:
        posts = posts.outerjoin(ViewPost,
                    and_(ViewPost.actor_id==user_id, ViewPost.post_id==PostClass.id)
                )
        posts = posts.add_entity(ViewPost)
        
        if is_unread == "true":
            posts = posts.filter(ViewPost.id == None)
        elif is_unread == "false":
            posts = posts.filter(ViewPost.id != None)
    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 == 'partial':
        pass  # posts = posts.options(defer(Post.body))
    else:
        posts = posts.options(joinedload_all(Post.creator), undefer(Email.recipients))

    if order == 'chronological':
        posts = posts.order_by(Content.creation_date)
    elif order == 'reverse_chronological':
        posts = posts.order_by(Content.creation_date.desc())

    no_of_posts = 0
    no_of_posts_viewed_by_user = 0
    

    for query_result in posts:
        if user_id:
            post, viewpost = query_result
        else:
            post, viewpost = query_result, None
        no_of_posts += 1
        serializable_post = post.generic_json(
            view_def, user_id, permissions) or {}

        if viewpost:
            serializable_post['read'] = True
            no_of_posts_viewed_by_user += 1
        elif user_id 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
                )
            Post.db.add(viewed_post)
            serializable_post['read'] = True
        else:
            serializable_post['read'] = False

        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 = Post.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(float(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