diff options
author | Dessalines <tyhou13@gmx.com> | 2019-04-29 12:14:54 -0700 |
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committer | Dessalines <tyhou13@gmx.com> | 2019-04-29 12:14:54 -0700 |
commit | f57004d7fa09908ab0e041e79e838db6d4fc14c3 (patch) | |
tree | 1c58906673d41712a440da063e4f4856070904de /server/migrations | |
parent | d13a95da27c847e3f53b0bcf38d77d79f67891ad (diff) |
Adding proper deletes for Post, Community, and Comments.
- Fixes #132
- Fixes #108
Diffstat (limited to 'server/migrations')
-rw-r--r-- | server/migrations/2019-04-29-175834_add_delete_columns/down.sql | 137 | ||||
-rw-r--r-- | server/migrations/2019-04-29-175834_add_delete_columns/up.sql | 141 |
2 files changed, 278 insertions, 0 deletions
diff --git a/server/migrations/2019-04-29-175834_add_delete_columns/down.sql b/server/migrations/2019-04-29-175834_add_delete_columns/down.sql new file mode 100644 index 00000000..5e13295b --- /dev/null +++ b/server/migrations/2019-04-29-175834_add_delete_columns/down.sql @@ -0,0 +1,137 @@ +drop view reply_view; +drop view comment_view; +drop view community_view; +drop view post_view; +alter table community drop column deleted; +alter table post drop column deleted; +alter table comment drop column deleted; + +create view community_view as +with all_community as +( + select *, + (select name from user_ u where c.creator_id = u.id) as creator_name, + (select name from category ct where c.category_id = ct.id) as category_name, + (select count(*) from community_follower cf where cf.community_id = c.id) as number_of_subscribers, + (select count(*) from post p where p.community_id = c.id) as number_of_posts, + (select count(*) from comment co, post p where c.id = p.community_id and p.id = co.post_id) as number_of_comments + from community c +) + +select +ac.*, +u.id as user_id, +(select cf.id::boolean from community_follower cf where u.id = cf.user_id and ac.id = cf.community_id) as subscribed +from user_ u +cross join all_community ac + +union all + +select +ac.*, +null as user_id, +null as subscribed +from all_community ac +; + +create or replace view post_view as +with all_post as +( + select + p.*, + (select name from user_ where p.creator_id = user_.id) as creator_name, + (select name from community where p.community_id = community.id) as community_name, + (select removed from community c where p.community_id = c.id) as community_removed, + (select count(*) from comment where comment.post_id = p.id) as number_of_comments, + coalesce(sum(pl.score), 0) as score, + count (case when pl.score = 1 then 1 else null end) as upvotes, + count (case when pl.score = -1 then 1 else null end) as downvotes, + hot_rank(coalesce(sum(pl.score) , 0), p.published) as hot_rank + from post p + left join post_like pl on p.id = pl.post_id + group by p.id +) + +select +ap.*, +u.id as user_id, +coalesce(pl.score, 0) as my_vote, +(select cf.id::bool from community_follower cf where u.id = cf.user_id and cf.community_id = ap.community_id) as subscribed, +(select pr.id::bool from post_read pr where u.id = pr.user_id and pr.post_id = ap.id) as read, +(select ps.id::bool from post_saved ps where u.id = ps.user_id and ps.post_id = ap.id) as saved +from user_ u +cross join all_post ap +left join post_like pl on u.id = pl.user_id and ap.id = pl.post_id + +union all + +select +ap.*, +null as user_id, +null as my_vote, +null as subscribed, +null as read, +null as saved +from all_post ap +; + +create view comment_view as +with all_comment as +( + select + c.*, + (select community_id from post p where p.id = c.post_id), + (select u.banned from user_ u where c.creator_id = u.id) as banned, + (select cb.id::bool from community_user_ban cb, post p where c.creator_id = cb.user_id and p.id = c.post_id and p.community_id = cb.community_id) as banned_from_community, + (select name from user_ where c.creator_id = user_.id) as creator_name, + coalesce(sum(cl.score), 0) as score, + count (case when cl.score = 1 then 1 else null end) as upvotes, + count (case when cl.score = -1 then 1 else null end) as downvotes + from comment c + left join comment_like cl on c.id = cl.comment_id + group by c.id +) + +select +ac.*, +u.id as user_id, +coalesce(cl.score, 0) as my_vote, +(select cs.id::bool from comment_saved cs where u.id = cs.user_id and cs.comment_id = ac.id) as saved +from user_ u +cross join all_comment ac +left join comment_like cl on u.id = cl.user_id and ac.id = cl.comment_id + +union all + +select + ac.*, + null as user_id, + null as my_vote, + null as saved +from all_comment ac +; + +create view reply_view as +with closereply as ( + select + c2.id, + c2.creator_id as sender_id, + c.creator_id as recipient_id + from comment c + inner join comment c2 on c.id = c2.parent_id + where c2.creator_id != c.creator_id + -- Do union where post is null + union + select + c.id, + c.creator_id as sender_id, + p.creator_id as recipient_id + from comment c, post p + where c.post_id = p.id and c.parent_id is null and c.creator_id != p.creator_id +) +select cv.*, +closereply.recipient_id +from comment_view cv, closereply +where closereply.id = cv.id +; + diff --git a/server/migrations/2019-04-29-175834_add_delete_columns/up.sql b/server/migrations/2019-04-29-175834_add_delete_columns/up.sql new file mode 100644 index 00000000..88432dda --- /dev/null +++ b/server/migrations/2019-04-29-175834_add_delete_columns/up.sql @@ -0,0 +1,141 @@ +alter table community add column deleted boolean default false not null; +alter table post add column deleted boolean default false not null; +alter table comment add column deleted boolean default false not null; + +-- The views +drop view community_view; + +create view community_view as +with all_community as +( + select *, + (select name from user_ u where c.creator_id = u.id) as creator_name, + (select name from category ct where c.category_id = ct.id) as category_name, + (select count(*) from community_follower cf where cf.community_id = c.id) as number_of_subscribers, + (select count(*) from post p where p.community_id = c.id) as number_of_posts, + (select count(*) from comment co, post p where c.id = p.community_id and p.id = co.post_id) as number_of_comments + from community c +) + +select +ac.*, +u.id as user_id, +(select cf.id::boolean from community_follower cf where u.id = cf.user_id and ac.id = cf.community_id) as subscribed +from user_ u +cross join all_community ac + +union all + +select +ac.*, +null as user_id, +null as subscribed +from all_community ac +; + + +drop view post_view; +create view post_view as +with all_post as +( + select + p.*, + (select name from user_ where p.creator_id = user_.id) as creator_name, + (select name from community where p.community_id = community.id) as community_name, + (select removed from community c where p.community_id = c.id) as community_removed, + (select deleted from community c where p.community_id = c.id) as community_deleted, + (select count(*) from comment where comment.post_id = p.id) as number_of_comments, + coalesce(sum(pl.score), 0) as score, + count (case when pl.score = 1 then 1 else null end) as upvotes, + count (case when pl.score = -1 then 1 else null end) as downvotes, + hot_rank(coalesce(sum(pl.score) , 0), p.published) as hot_rank + from post p + left join post_like pl on p.id = pl.post_id + group by p.id +) + +select +ap.*, +u.id as user_id, +coalesce(pl.score, 0) as my_vote, +(select cf.id::bool from community_follower cf where u.id = cf.user_id and cf.community_id = ap.community_id) as subscribed, +(select pr.id::bool from post_read pr where u.id = pr.user_id and pr.post_id = ap.id) as read, +(select ps.id::bool from post_saved ps where u.id = ps.user_id and ps.post_id = ap.id) as saved +from user_ u +cross join all_post ap +left join post_like pl on u.id = pl.user_id and ap.id = pl.post_id + +union all + +select +ap.*, +null as user_id, +null as my_vote, +null as subscribed, +null as read, +null as saved +from all_post ap +; + +drop view reply_view; +drop view comment_view; +create view comment_view as +with all_comment as +( + select + c.*, + (select community_id from post p where p.id = c.post_id), + (select u.banned from user_ u where c.creator_id = u.id) as banned, + (select cb.id::bool from community_user_ban cb, post p where c.creator_id = cb.user_id and p.id = c.post_id and p.community_id = cb.community_id) as banned_from_community, + (select name from user_ where c.creator_id = user_.id) as creator_name, + coalesce(sum(cl.score), 0) as score, + count (case when cl.score = 1 then 1 else null end) as upvotes, + count (case when cl.score = -1 then 1 else null end) as downvotes + from comment c + left join comment_like cl on c.id = cl.comment_id + group by c.id +) + +select +ac.*, +u.id as user_id, +coalesce(cl.score, 0) as my_vote, +(select cs.id::bool from comment_saved cs where u.id = cs.user_id and cs.comment_id = ac.id) as saved +from user_ u +cross join all_comment ac +left join comment_like cl on u.id = cl.user_id and ac.id = cl.comment_id + +union all + +select + ac.*, + null as user_id, + null as my_vote, + null as saved +from all_comment ac +; + +create view reply_view as +with closereply as ( + select + c2.id, + c2.creator_id as sender_id, + c.creator_id as recipient_id + from comment c + inner join comment c2 on c.id = c2.parent_id + where c2.creator_id != c.creator_id + -- Do union where post is null + union + select + c.id, + c.creator_id as sender_id, + p.creator_id as recipient_id + from comment c, post p + where c.post_id = p.id and c.parent_id is null and c.creator_id != p.creator_id +) +select cv.*, +closereply.recipient_id +from comment_view cv, closereply +where closereply.id = cv.id +; + |