merged from gramsrv upstream

deploy/migrations/20260901000011_dialog_top_projection_invalidation.up.sql

@@ -0,0 +1,135 @@
+-- Complete the dialog_light/channel_base dependency closure for cached dialog
+-- top-message projections. These triggers only bump read-model versions; they
+-- do not allocate PTS or mutate message/update facts.
+
+CREATE OR REPLACE FUNCTION telesrv_notify_private_top_message_read_model()
+RETURNS trigger
+LANGUAGE plpgsql
+AS $$
+BEGIN
+    IF EXISTS (
+        SELECT 1
+        FROM dialogs d
+        WHERE d.user_id = NEW.owner_user_id
+          AND d.peer_type = NEW.peer_type
+          AND d.peer_id = NEW.peer_id
+          AND d.top_message_id = NEW.box_id
+    ) THEN
+        PERFORM telesrv_bump_dialog_light(NEW.owner_user_id, NEW.peer_type, NEW.peer_id);
+    END IF;
+    RETURN NULL;
+END;
+$$;
+
+CREATE TRIGGER message_boxes_dialog_top_projection_changed
+AFTER UPDATE OF
+    message_date, body, entities, deleted, edit_date, silent, noforwards,
+    reply_to_msg_id, reply_to_peer_type, reply_to_peer_id, reply_to_top_id,
+    reply_to_story_id, quote_text, quote_entities, quote_offset,
+    fwd_from_peer_type, fwd_from_peer_id, fwd_from_name, fwd_date,
+    fwd_saved_from_peer_type, fwd_saved_from_peer_id, fwd_saved_from_msg_id,
+    media, media_unread, reaction_unread, ttl_period, expires_at, pinned,
+    saved_peer_type, saved_peer_id, reply_markup, via_bot_id, rich_message,
+    grouped_id, effect, hide_edited
+ON message_boxes
+FOR EACH ROW
+EXECUTE FUNCTION telesrv_notify_private_top_message_read_model();
+
+CREATE OR REPLACE FUNCTION telesrv_notify_private_top_reactions_read_model()
+RETURNS trigger
+LANGUAGE plpgsql
+AS $$
+DECLARE
+    changed_sender_id BIGINT;
+    changed_message_id BIGINT;
+BEGIN
+    IF TG_OP = 'DELETE' THEN
+        changed_sender_id := OLD.message_sender_id;
+        changed_message_id := OLD.private_message_id;
+    ELSE
+        changed_sender_id := NEW.message_sender_id;
+        changed_message_id := NEW.private_message_id;
+    END IF;
+
+    PERFORM telesrv_bump_dialog_light(b.owner_user_id, b.peer_type, b.peer_id)
+    FROM message_boxes b
+    JOIN dialogs d
+      ON d.user_id = b.owner_user_id
+     AND d.peer_type = b.peer_type
+     AND d.peer_id = b.peer_id
+     AND d.top_message_id = b.box_id
+    WHERE b.message_sender_id = changed_sender_id
+      AND b.private_message_id = changed_message_id
+      AND NOT b.deleted;
+    RETURN NULL;
+END;
+$$;
+
+CREATE TRIGGER private_message_reactions_dialog_top_projection_changed
+AFTER INSERT OR DELETE OR UPDATE
+ON private_message_reactions
+FOR EACH ROW
+EXECUTE FUNCTION telesrv_notify_private_top_reactions_read_model();
+
+CREATE OR REPLACE FUNCTION telesrv_notify_channel_top_message_read_model()
+RETURNS trigger
+LANGUAGE plpgsql
+AS $$
+BEGIN
+    IF EXISTS (
+        SELECT 1
+        FROM channels c
+        WHERE c.id = NEW.channel_id
+          AND c.top_message_id = NEW.id
+    ) THEN
+        PERFORM telesrv_bump_read_model_version('channel_base', 0, 'channel', NEW.channel_id);
+    END IF;
+    RETURN NULL;
+END;
+$$;
+
+CREATE TRIGGER channel_messages_dialog_top_projection_changed
+AFTER UPDATE OF
+    sender_user_id, from_peer_type, from_peer_id, send_as_peer_type, send_as_peer_id,
+    message_date, edit_date, post, silent, noforwards, body, entities, reply_to,
+    reply_to_msg_id, reply_to_peer_type, reply_to_peer_id, reply_to_top_id, fwd_from,
+    discussion_channel_id, discussion_message_id, action, deleted, views_count, media,
+    ttl_period, expires_at, post_author, pinned, via_bot_id, reply_markup,
+    from_boosts_applied, rich_message
+ON channel_messages
+FOR EACH ROW
+EXECUTE FUNCTION telesrv_notify_channel_top_message_read_model();
+
+CREATE OR REPLACE FUNCTION telesrv_notify_channel_top_reactions_read_model()
+RETURNS trigger
+LANGUAGE plpgsql
+AS $$
+DECLARE
+    changed_channel_id BIGINT;
+    changed_message_id INTEGER;
+BEGIN
+    IF TG_OP = 'DELETE' THEN
+        changed_channel_id := OLD.channel_id;
+        changed_message_id := OLD.message_id;
+    ELSE
+        changed_channel_id := NEW.channel_id;
+        changed_message_id := NEW.message_id;
+    END IF;
+
+    IF EXISTS (
+        SELECT 1
+        FROM channels c
+        WHERE c.id = changed_channel_id
+          AND c.top_message_id = changed_message_id
+    ) THEN
+        PERFORM telesrv_bump_read_model_version('channel_base', 0, 'channel', changed_channel_id);
+    END IF;
+    RETURN NULL;
+END;
+$$;
+
+CREATE TRIGGER channel_message_reactions_dialog_top_projection_changed
+AFTER INSERT OR DELETE OR UPDATE
+ON channel_message_reactions
+FOR EACH ROW
+EXECUTE FUNCTION telesrv_notify_channel_top_reactions_read_model();