Initial commit of akmon project

doc_chat/rt.sql

@@ -0,0 +1,80 @@
+-- allow senders to read their own messages
+create policy "messages_select_sender"
+  on public.chat_messages
+  for select
+  using (sender_id = auth.uid());
+
+-- allow other conversation members to read messages
+create policy "messages_select_members"
+  on public.chat_messages
+  for select
+  using (
+    exists (
+      select 1
+      from public.chat_participants p
+      where p.conversation_id = chat_messages.conversation_id
+        and p.user_id = auth.uid()
+    )
+  );
+
+-- ===============================
+-- Full setup for realtime listening via Supabase Realtime Inspector
+
+-- Make sure we have uuid helpers for primary keys
+create extension if not exists "pgcrypto";
+
+create table if not exists public.ak_test (
+  id uuid primary key default gen_random_uuid(),
+  owner_id uuid default auth.uid(),
+  payload jsonb default '{}'::jsonb,
+  created_at timestamptz not null default timezone('utc', now())
+);
+
+comment on table public.ak_test is 'Scratch table for realtime policy tests';
+
+-- Register the table with the realtime publication (idempotent)
+do $$
+begin
+  if not exists (
+    select 1
+    from pg_publication_tables
+    where pubname = 'supabase_realtime'
+      and schemaname = 'public'
+      and tablename = 'ak_test'
+  ) then
+    alter publication supabase_realtime add table public.ak_test;
+  end if;
+end $$;
+
+-- ===============================
+-- Reset helper: disable and recreate policies scoped to the `public` role
+
+alter table public.ak_test disable row level security;
+
+drop policy if exists "ak_test_insert_owner" on public.ak_test;
+drop policy if exists "ak_test_select_all" on public.ak_test;
+drop policy if exists "ak_test_select_owner" on public.ak_test;
+
+alter table public.ak_test enable row level security;
+
+create policy "ak_test_insert_owner"
+  on public.ak_test
+  for insert
+  to public
+  with check (owner_id = auth.uid());
+
+create policy "ak_test_select_all"
+  on public.ak_test
+  for select
+  to public
+  using (true);
+
+create policy "ak_test_select_owner"
+  on public.ak_test
+  for select
+  to public
+  using (owner_id = auth.uid());
+
+-- To remove test data quickly
+truncate table public.ak_test;
+