alter table public.profiles
  add column avatar_path text;

insert into storage.buckets(id, name, public, file_size_limit, allowed_mime_types)
values (
  'minegeo-avatars',
  'minegeo-avatars',
  true,
  5242880,
  array['image/jpeg', 'image/png', 'image/webp']
)
on conflict (id) do update set
  name = excluded.name,
  public = excluded.public,
  file_size_limit = excluded.file_size_limit,
  allowed_mime_types = excluded.allowed_mime_types;

create policy "MineGeo users upload their own avatars"
on storage.objects
for insert
to authenticated
with check (
  bucket_id = 'minegeo-avatars'
  and (storage.foldername(name))[1] = (select auth.uid()::text)
);

create policy "MineGeo users delete their own avatars"
on storage.objects
for delete
to authenticated
using (
  bucket_id = 'minegeo-avatars'
  and (storage.foldername(name))[1] = (select auth.uid()::text)
);