feat: adds bookings and more tests

lib/validations/shared/queryIdString.ts

@@ -0,0 +1,20 @@
+import { withValidation } from "next-validations";
+import { z } from "zod";
+
+// Extracted out as utility function so can be reused
+// at different endpoints that require this validation.
+const schemaQueryIdAsString = z
+  .object({
+    // since nextjs parses query params as strings,
+    // we need to cast them to numbers using z.transform() and parseInt()
+    id: z.string()
+  })
+  .strict();
+
+const withValidQueryIdString = withValidation({
+  schema: schemaQueryIdAsString,
+  type: "Zod",
+  mode: "query",
+});
+
+export { schemaQueryIdAsString, withValidQueryIdString };