byGalax
64 lines
2.5 KiB
SQL
64 lines
2.5 KiB
SQL
-- Phase 5A: per-conversation synchronized YouTube playback.
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--
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-- conversation_watch_sessions: one row per Watch-Together session. The bubble
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-- in the chat is a normal `messages` row whose plaintext payload is
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-- `{v:1, type:'watch_together', session_id:<id>}`. The owner's player drives
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-- current_state (jsonb {playing, position_seconds, updated_at_ms}); other
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-- joiners reconcile via realtime postgres_changes UPDATE when local drift
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-- exceeds 2 seconds.
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create table if not exists public.conversation_watch_sessions (
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id uuid primary key default gen_random_uuid(),
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conversation_id uuid not null references public.conversations(id) on delete cascade,
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owner_user_id uuid not null references auth.users(id) on delete cascade,
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video_id text not null,
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started_at timestamptz not null default now(),
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ended_at timestamptz null,
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current_state jsonb not null default '{"playing":false,"position_seconds":0,"updated_at_ms":0}'::jsonb,
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constraint conversation_watch_sessions_video_id_len check (length(video_id) between 1 and 64)
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);
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create index if not exists conversation_watch_sessions_conv_idx
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on public.conversation_watch_sessions(conversation_id, started_at desc);
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alter table public.conversation_watch_sessions enable row level security;
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drop policy if exists conversation_watch_sessions_select on public.conversation_watch_sessions;
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drop policy if exists conversation_watch_sessions_insert on public.conversation_watch_sessions;
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drop policy if exists conversation_watch_sessions_update on public.conversation_watch_sessions;
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create policy conversation_watch_sessions_select
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on public.conversation_watch_sessions
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for select
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using (public.is_conversation_member(conversation_id));
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create policy conversation_watch_sessions_insert
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on public.conversation_watch_sessions
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for insert
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with check (
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public.is_conversation_member(conversation_id)
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and owner_user_id = auth.uid()
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);
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create policy conversation_watch_sessions_update
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on public.conversation_watch_sessions
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for update
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using (owner_user_id = auth.uid())
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with check (owner_user_id = auth.uid());
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alter table public.conversation_watch_sessions replica identity full;
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do $$
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begin
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if not exists (
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select 1
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from pg_publication_tables
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where pubname = 'supabase_realtime'
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and schemaname = 'public'
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and tablename = 'conversation_watch_sessions'
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) then
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execute 'alter publication supabase_realtime add table public.conversation_watch_sessions';
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end if;
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end
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$$;
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