lemmy/migrations/2020-10-13-212240_create_report_tables/up.sql

create table comment_report (
  id            serial    primary key,
  creator_id    int       references user_ on update cascade on delete cascade not null,   -- user reporting comment
  comment_id    int       references comment on update cascade on delete cascade not null, -- comment being reported
  original_comment_text  text      not null,
  reason        text      not null,
  resolved      bool      not null default false,
  resolver_id   int       references user_ on update cascade on delete cascade,   -- user resolving report
  published     timestamp not null default now(),
  updated       timestamp null,
  unique(comment_id, creator_id) -- users should only be able to report a comment once
);

create table post_report (
  id            serial    primary key,
  creator_id    int       references user_ on update cascade on delete cascade not null, -- user reporting post
  post_id       int       references post on update cascade on delete cascade not null,  -- post being reported
  original_post_name	  varchar(100) not null,
  original_post_url       text,
  original_post_body      text,
  reason        text      not null,
  resolved      bool      not null default false,
  resolver_id   int       references user_ on update cascade on delete cascade,   -- user resolving report
  published     timestamp not null default now(),
  updated       timestamp null,
  unique(post_id, creator_id) -- users should only be able to report a post once
);

create or replace view comment_report_view as
select cr.*,
c.post_id,
c.content as current_comment_text,
p.community_id,
-- report creator details
f.actor_id as creator_actor_id,
f.name as creator_name,
f.preferred_username as creator_preferred_username,
f.avatar as creator_avatar,
f.local as creator_local,
-- comment creator details
u.id as comment_creator_id,
u.actor_id as comment_creator_actor_id,
u.name as comment_creator_name,
u.preferred_username as comment_creator_preferred_username,
u.avatar as comment_creator_avatar,
u.local as comment_creator_local,
-- resolver details
r.actor_id as resolver_actor_id,
r.name as resolver_name,
r.preferred_username as resolver_preferred_username,
r.avatar as resolver_avatar,
r.local as resolver_local
from comment_report cr
left join comment c on c.id = cr.comment_id
left join post p on p.id = c.post_id
left join user_ u on u.id = c.creator_id
left join user_ f on f.id = cr.creator_id
left join user_ r on r.id = cr.resolver_id;

create or replace view post_report_view as
select pr.*,
p.name as current_post_name,
p.url as current_post_url,
p.body as current_post_body,
p.community_id,
-- report creator details
f.actor_id as creator_actor_id,
f.name as creator_name,
f.preferred_username as creator_preferred_username,
f.avatar as creator_avatar,
f.local as creator_local,
-- post creator details
u.id as post_creator_id,
u.actor_id as post_creator_actor_id,
u.name as post_creator_name,
u.preferred_username as post_creator_preferred_username,
u.avatar as post_creator_avatar,
u.local as post_creator_local,
-- resolver details
r.actor_id as resolver_actor_id,
r.name as resolver_name,
r.preferred_username as resolver_preferred_username,
r.avatar as resolver_avatar,
r.local as resolver_local
from post_report pr
left join post p on p.id = pr.post_id
left join user_ u on u.id = p.creator_id
left join user_ f on f.id = pr.creator_id
left join user_ r on r.id = pr.resolver_id;