98 lines
2.4 KiB
PL/PgSQL
98 lines
2.4 KiB
PL/PgSQL
select create_newtype_text('public.usr_tag');
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select create_newtype_text('public.usr_tag_or_email');
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create function usr_tag_or_email_to_email(toe public.usr_tag_or_email)
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returns public.email
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language plpgsql
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immutable as $$
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begin
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if position('@' in usr_tag_or_email_to_string(toe)) > 0 then
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return email_of_string(usr_tag_or_email_to_string(toe));
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else
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return null;
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end if;
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end;
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$$;
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create function usr_tag_or_email_to_tag(toe public.usr_tag_or_email)
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returns public.usr_tag
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language plpgsql
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immutable as $$
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begin
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if usr_tag_or_email_to_email(toe) is null then
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return usr_tag_of_string(usr_tag_or_email_to_string(toe));
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else
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return null;
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end if;
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end;
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$$;
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create table public.usr
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( id int not null primary key generated always as identity
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, uid uuid not null default gen_random_uuid()
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, deleted boolean not null default false
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, tag public.usr_tag not null
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, discrim int not null default 0
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, password public.hashed_text not null
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, email public.email not null unique
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, unique (tag, discrim)
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);
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create function public.do_insert_usr_default_discrim()
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returns trigger
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stable
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language plpgsql
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as $$
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begin
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if new.discrim is null then
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new.discrim := (select count(*) from public.usr u where u.tag = tag);
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end if;
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return new;
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end;
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$$;
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create trigger insert_usr_default_discrim
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before insert on public.usr
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for each row execute function public.do_insert_usr_default_discrim();
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insert into public.usr
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(tag, password, email)
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values
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(usr_tag_of_string('root'), hashed_text_of_string(''), email_of_string(''));
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create function public.do_check_usr_tag()
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returns trigger
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stable
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language plpgsql
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as $$
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begin
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if new.tag = usr_tag_of_string('root') then
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raise exception 'invalid tag';
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else
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return new;
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end if;
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end;
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$$;
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create trigger check_usr_tag
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before insert on public.usr
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for each row execute function public.do_check_usr_tag();
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select audit( 'public'
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, 'usr'
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, array[ row('tag', 'public.usr_tag')
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, row('password', 'public.hashed_text')
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, row('email', 'public.email')
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] :: audited_column[]
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, soft_delete => true
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);
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select immutable( 'public'
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, 'usr'
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, array[ 'id'
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, 'uid'
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]
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);
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