first commit

calcom/packages/app-store/_utils/payments/checkForMultiplePaymentApps.ts

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+import type z from "zod";
+
+import type { EventTypeMetaDataSchema } from "@calcom/prisma/zod-utils";
+
+import type { appDataSchemas } from "../../apps.schemas.generated";
+
+/**
+ *
+ * @param metadata The event type metadata
+ * @param inclusive Determines if multiple includes the case of 1
+ * @returns boolean
+ */
+const checkForMultiplePaymentApps = (
+  metadata: z.infer<typeof EventTypeMetaDataSchema>,
+  inclusive = false
+) => {
+  let enabledPaymentApps = 0;
+  for (const appKey in metadata?.apps) {
+    const app = metadata?.apps[appKey as keyof typeof appDataSchemas];
+
+    if ("appCategories" in app) {
+      const isPaymentApp = app.appCategories.includes("payment");
+      if (isPaymentApp && app.enabled) {
+        enabledPaymentApps++;
+      }
+    } else if ("price" in app && app.enabled) {
+      enabledPaymentApps++;
+    }
+  }
+
+  return inclusive ? enabledPaymentApps >= 1 : enabledPaymentApps > 1;
+};
+
+export default checkForMultiplePaymentApps;