first commit

calcom/apps/api/v1/lib/validations/shared/queryAttendeeEmail.ts

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+import { withValidation } from "next-validations";
+import { z } from "zod";
+
+import { baseApiParams } from "./baseApiParams";
+
+// Extracted out as utility function so can be reused
+// at different endpoints that require this validation.
+export const schemaQueryAttendeeEmail = baseApiParams.extend({
+  attendeeEmail: z.string().email(),
+});
+
+export const schemaQuerySingleOrMultipleAttendeeEmails = z.object({
+  attendeeEmail: z.union([z.string().email(), z.array(z.string().email())]).optional(),
+});
+
+export const withValidQueryAttendeeEmail = withValidation({
+  schema: schemaQueryAttendeeEmail,
+  type: "Zod",
+  mode: "query",
+});