feat(collection): 采集箱开发

packages/database/migrations/009_fix_collection_limit_function.sql

@@ -0,0 +1,12 @@
+SET search_path TO atlas, public;
+
+CREATE OR REPLACE FUNCTION atlas.enforce_collection_item_limit() RETURNS TRIGGER LANGUAGE plpgsql AS $$
+DECLARE configured_limit INTEGER; active_count INTEGER;
+BEGIN
+  IF (TG_OP = 'INSERT' AND NEW.deleted_at IS NULL) OR (TG_OP = 'UPDATE' AND OLD.deleted_at IS NOT NULL AND NEW.deleted_at IS NULL) THEN
+    SELECT collection_item_limit INTO configured_limit FROM atlas.workspaces WHERE id = NEW.workspace_id FOR UPDATE;
+    SELECT count(*) INTO active_count FROM atlas.collection_items WHERE workspace_id = NEW.workspace_id AND deleted_at IS NULL;
+    IF active_count >= configured_limit THEN RAISE EXCEPTION 'collection item limit reached' USING ERRCODE = 'check_violation'; END IF;
+  END IF;
+  RETURN NEW;
+END; $$;