merged from gramsrv upstream

deploy/migrations/20260901000016_dialog_owner_snapshot_read_model.up.sql

@@ -0,0 +1,161 @@
+-- Owner collection generation for the Redis-backed messages.getDialogs header
+-- snapshot. Shared channel mutations remain channel_base-only; membership and
+-- owner-local dialog mutations advance this O(1) owner token.
+
+CREATE OR REPLACE FUNCTION public.telesrv_bump_dialog_owner(p_owner_user_id bigint)
+RETURNS void
+LANGUAGE plpgsql
+AS $$
+BEGIN
+    IF COALESCE(p_owner_user_id, 0) = 0 THEN
+        RETURN;
+    END IF;
+
+    PERFORM public.telesrv_bump_read_model_version(
+        'dialog_owner', p_owner_user_id, 'user', p_owner_user_id
+    );
+END;
+$$;
+
+-- dialog_owner is the owner-wide aggregate of every exact dialog_light
+-- dependency. Extending the common helper closes private top-message,
+-- reaction, contact/profile and future exact-dialog invalidation paths without
+-- copying owner bumps into every trigger.
+CREATE OR REPLACE FUNCTION public.telesrv_bump_dialog_light(
+    p_owner_user_id bigint,
+    p_peer_type text,
+    p_peer_id bigint
+)
+RETURNS void
+LANGUAGE plpgsql
+AS $$
+BEGIN
+    IF COALESCE(p_owner_user_id, 0) = 0
+       OR COALESCE(p_peer_id, 0) = 0
+       OR COALESCE(p_peer_type, '') = ''
+    THEN
+        RETURN;
+    END IF;
+
+    PERFORM public.telesrv_bump_read_model_version(
+        'dialog_light', p_owner_user_id, p_peer_type, p_peer_id
+    );
+    PERFORM public.telesrv_bump_dialog_owner(p_owner_user_id);
+END;
+$$;
+
+CREATE OR REPLACE FUNCTION public.telesrv_seed_dialog_owner_read_model()
+RETURNS trigger
+LANGUAGE plpgsql
+AS $$
+BEGIN
+    PERFORM public.telesrv_bump_dialog_owner(NEW.id);
+    RETURN NULL;
+END;
+$$;
+
+CREATE TRIGGER users_dialog_owner_read_model
+AFTER INSERT ON public.users
+FOR EACH ROW EXECUTE FUNCTION public.telesrv_seed_dialog_owner_read_model();
+
+CREATE OR REPLACE FUNCTION public.telesrv_notify_dialog_light_read_model()
+RETURNS trigger
+LANGUAGE plpgsql
+AS $$
+DECLARE
+    old_owner_id bigint;
+    old_peer_type text;
+    old_peer_id bigint;
+    new_owner_id bigint;
+    new_peer_type text;
+    new_peer_id bigint;
+BEGIN
+    IF TG_OP <> 'INSERT' THEN
+        old_owner_id := OLD.user_id;
+        old_peer_type := OLD.peer_type;
+        old_peer_id := OLD.peer_id;
+        PERFORM public.telesrv_bump_dialog_light(old_owner_id, old_peer_type, old_peer_id);
+    END IF;
+
+    IF TG_OP <> 'DELETE' THEN
+        new_owner_id := NEW.user_id;
+        new_peer_type := NEW.peer_type;
+        new_peer_id := NEW.peer_id;
+        IF TG_OP = 'INSERT'
+           OR (new_owner_id, new_peer_type, new_peer_id)
+              IS DISTINCT FROM (old_owner_id, old_peer_type, old_peer_id)
+        THEN
+            PERFORM public.telesrv_bump_dialog_light(new_owner_id, new_peer_type, new_peer_id);
+        END IF;
+    END IF;
+    RETURN NULL;
+END;
+$$;
+
+CREATE OR REPLACE FUNCTION public.telesrv_notify_channel_dialog_light_read_model()
+RETURNS trigger
+LANGUAGE plpgsql
+AS $$
+DECLARE
+    old_owner_id bigint;
+    old_channel_id bigint;
+    new_owner_id bigint;
+    new_channel_id bigint;
+BEGIN
+    IF TG_OP <> 'INSERT' THEN
+        old_owner_id := OLD.user_id;
+        old_channel_id := OLD.channel_id;
+        PERFORM public.telesrv_bump_dialog_light(old_owner_id, 'channel', old_channel_id);
+    END IF;
+
+    IF TG_OP <> 'DELETE' THEN
+        new_owner_id := NEW.user_id;
+        new_channel_id := NEW.channel_id;
+        IF TG_OP = 'INSERT'
+           OR (new_owner_id, new_channel_id) IS DISTINCT FROM (old_owner_id, old_channel_id)
+        THEN
+            PERFORM public.telesrv_bump_dialog_light(new_owner_id, 'channel', new_channel_id);
+        END IF;
+    END IF;
+    RETURN NULL;
+END;
+$$;
+
+CREATE OR REPLACE FUNCTION public.telesrv_notify_channel_member_read_model()
+RETURNS trigger
+LANGUAGE plpgsql
+AS $$
+DECLARE
+    old_channel_id bigint;
+    old_user_id bigint;
+    new_channel_id bigint;
+    new_user_id bigint;
+BEGIN
+    IF TG_OP <> 'INSERT' THEN
+        old_channel_id := OLD.channel_id;
+        old_user_id := OLD.user_id;
+        PERFORM public.telesrv_bump_read_model_version('channel_member', old_user_id, 'channel', old_channel_id);
+        PERFORM public.telesrv_bump_dialog_light(old_user_id, 'channel', old_channel_id);
+    END IF;
+
+    IF TG_OP <> 'DELETE' THEN
+        new_channel_id := NEW.channel_id;
+        new_user_id := NEW.user_id;
+        IF TG_OP = 'INSERT'
+           OR (new_user_id, new_channel_id) IS DISTINCT FROM (old_user_id, old_channel_id)
+        THEN
+            PERFORM public.telesrv_bump_read_model_version('channel_member', new_user_id, 'channel', new_channel_id);
+            PERFORM public.telesrv_bump_dialog_light(new_user_id, 'channel', new_channel_id);
+        END IF;
+    END IF;
+    RETURN NULL;
+END;
+$$;
+
+INSERT INTO public.read_model_versions (
+    model, owner_user_id, peer_type, peer_id, version, hash, updated_at
+)
+SELECT 'dialog_owner', u.id, 'user', u.id, 1,
+       public.telesrv_random_read_model_hash(), now()
+FROM public.users AS u
+ON CONFLICT (model, owner_user_id, peer_type, peer_id) DO NOTHING;