104 lines
2.4 KiB
MySQL
104 lines
2.4 KiB
MySQL
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create type public.usr_username as (username text);
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create table public.usr_audit
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( usr int not null
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, kind public.audit_kind not null
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, actor int not null
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, prev_username public.usr_username null
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, prev_password public.hashed_text null
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, prev_email public.email null
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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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, username public.usr_username not null unique
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, password public.hashed_text not null
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, email public.email not null unique
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);
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alter table public.usr_audit
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add constraint fk_usr_audit_usr
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foreign key (usr)
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references public.usr (id)
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, add constraint fk_usr_audit_actor
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foreign key (actor)
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references public.usr (id)
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;
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create function public.do_usr_audit()
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returns trigger
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language plpgsql as $$
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declare
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audit_kind public.audit_kind;
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usr_id int;
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prev_username public.usr_username := null;
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prev_password public.hashed_text := null;
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prev_email public.email := null;
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begin
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if (TG_OP = 'UPDATE') then
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usr_id := OLD.id;
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audit_kind := 'modify';
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prev_username := OLD.username;
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prev_password := OLD.password;
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prev_email := OLD.email;
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elsif (TG_OP = 'INSERT') then
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usr_id := NEW.id;
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audit_kind := 'create';
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end if;
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insert into public.usr_audit
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( kind
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, usr
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, actor
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, prev_username
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, prev_email
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, prev_password
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)
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values
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( audit_kind
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, usr_id
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, usr_id -- TODO
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, prev_username
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, prev_email
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, prev_password
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);
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return NEW;
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end;
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$$;
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create function public.do_usr_soft_delete()
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returns trigger
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language plpgsql as $$
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declare
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audit_id int;
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begin
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insert into public.usr_audit
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( kind
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, usr
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, actor
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)
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values
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( 'delete' :: public.audit_kind
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, OLD.id
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, OLD.id -- TODO
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);
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update public.usr
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set deleted = true
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where id = OLD.id;
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return null;
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end;
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$$;
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create trigger trigger_usr_audit
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after insert or update on public.usr
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for each row execute function public.do_usr_audit();
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create trigger trigger_usr_soft_delete
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before delete on public.usr
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for each row execute function public.do_usr_soft_delete();
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