kvs/include/feeds.hrl

-record(feed, {
        id,
        top,
        aclver,
        entries_count=0}).

-record(iterator, {
        id,
        object,
        prev,
        type,
        next}).

-record(entry, {
        id, % {entry_id, feed_id} we want to hold in key information about feed
        entry_id, % these fields 
        feed_id,  % are for secondary indexes
        from, % author
        to,
        title,
        description,
        created, % time
        hidden,
        access,
        shared,
        starred,
        deleted,
        likes,
        likes_count,
        comments,
        comments_rear,
        comments_count,
        media = [], %% for oembed
        etc,        %% field to link additional info
        type = {user, normal},
        next,
        prev}).

-record(id_seq, {thing, id}).

-record(media, {
        id,
        title :: iolist(),
        width,
        height,
        html :: iolist(),
        url :: iolist(),
        version,
        thumbnail_url :: iolist(),
        type :: {atom(), atom() | string()},
        thumbnail_height}).

-record(comment, {
        id,          %% {comment_id, entry_id}
        comment_id,  %% generowane przez id_seq
        entry_id,    %% index
        content,     %% text of comment
        author_id,
        creation_time,
        media = [],  %% for oembed
        parent,
        comments,
        comments_rear,
        next,
        prev }).


-record(entry_likes, {
        entry_id,       % this is a general entry_id. Every same entry in different feeds has the same id
        one_like_head,  % this is a head for linked list of {user, time} tupples
        total_count     % it's easier to keep it than count
        }).

-record(user_likes, {
        user_id,
        one_like_head,
        total_count
        }).

-record(one_like, {
        id,              % just a number
        user_id,        % who likes
        entry_id,       % what
        feed_id,        % where
        created_time,   % when
        next            
        }).

-record(hidden_feed, {id}).

% Statistics. We have to keep count of user entries and comments. 
% Gathering it the old way will work very ineffective with more users to come.
% And comments from user record are somehow always undefined. Either it fails, or it is used somewhere else

-record(user_etries_count, {
        user_id,    % user id
        entries = 0,    % number of entries
        comments = 0   % number of comments
        }).