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106 lines
3.4 KiB
SQL
Vendored
106 lines
3.4 KiB
SQL
Vendored
-- Adds a newest_activity_time for the post_views, in order to sort by newest comment
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drop view post_view;
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drop view post_mview;
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drop materialized view post_aggregates_mview;
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drop view post_aggregates_view;
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-- regen post view
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create view post_aggregates_view as
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select
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p.*,
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(select u.banned from user_ u where p.creator_id = u.id) as banned,
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(select cb.id::bool from community_user_ban cb where p.creator_id = cb.user_id and p.community_id = cb.community_id) as banned_from_community,
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(select name from user_ where p.creator_id = user_.id) as creator_name,
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(select avatar from user_ where p.creator_id = user_.id) as creator_avatar,
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(select name from community where p.community_id = community.id) as community_name,
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(select removed from community c where p.community_id = c.id) as community_removed,
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(select deleted from community c where p.community_id = c.id) as community_deleted,
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(select nsfw from community c where p.community_id = c.id) as community_nsfw,
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(select count(*) from comment where comment.post_id = p.id) as number_of_comments,
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coalesce(sum(pl.score), 0) as score,
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count (case when pl.score = 1 then 1 else null end) as upvotes,
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count (case when pl.score = -1 then 1 else null end) as downvotes,
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hot_rank(coalesce(sum(pl.score) , 0),
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(
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case when (p.published < ('now'::timestamp - '1 month'::interval)) then p.published -- Prevents necro-bumps
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else greatest(c.recent_comment_time, p.published)
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end
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)
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) as hot_rank,
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(
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case when (p.published < ('now'::timestamp - '1 month'::interval)) then p.published -- Prevents necro-bumps
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else greatest(c.recent_comment_time, p.published)
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end
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) as newest_activity_time
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from post p
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left join post_like pl on p.id = pl.post_id
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left join (
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select post_id,
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max(published) as recent_comment_time
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from comment
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group by 1
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) c on p.id = c.post_id
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group by p.id, c.recent_comment_time;
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create materialized view post_aggregates_mview as select * from post_aggregates_view;
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create unique index idx_post_aggregates_mview_id on post_aggregates_mview (id);
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create view post_view as
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with all_post as (
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select
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pa.*
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from post_aggregates_view pa
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)
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select
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ap.*,
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u.id as user_id,
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coalesce(pl.score, 0) as my_vote,
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(select cf.id::bool from community_follower cf where u.id = cf.user_id and cf.community_id = ap.community_id) as subscribed,
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(select pr.id::bool from post_read pr where u.id = pr.user_id and pr.post_id = ap.id) as read,
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(select ps.id::bool from post_saved ps where u.id = ps.user_id and ps.post_id = ap.id) as saved
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from user_ u
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cross join all_post ap
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left join post_like pl on u.id = pl.user_id and ap.id = pl.post_id
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union all
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select
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ap.*,
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null as user_id,
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null as my_vote,
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null as subscribed,
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null as read,
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null as saved
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from all_post ap
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;
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create view post_mview as
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with all_post as (
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select
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pa.*
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from post_aggregates_mview pa
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)
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select
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ap.*,
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u.id as user_id,
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coalesce(pl.score, 0) as my_vote,
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(select cf.id::bool from community_follower cf where u.id = cf.user_id and cf.community_id = ap.community_id) as subscribed,
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(select pr.id::bool from post_read pr where u.id = pr.user_id and pr.post_id = ap.id) as read,
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(select ps.id::bool from post_saved ps where u.id = ps.user_id and ps.post_id = ap.id) as saved
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from user_ u
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cross join all_post ap
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left join post_like pl on u.id = pl.user_id and ap.id = pl.post_id
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union all
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select
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ap.*,
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null as user_id,
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null as my_vote,
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null as subscribed,
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null as read,
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null as saved
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from all_post ap
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;
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