Merged in feat/sw-3192-no-user (pull request #2680)

feat(SW-3192): Checks if user exists, otherwise logout and show error

* feat(SW-3192): Checks if user exists, otherwise logout and show error

apps/scandic-web/components/UserExists.tsx

@@ -0,0 +1,43 @@
+"use client"
+
+import { redirect } from "next/navigation"
+import { useSession } from "next-auth/react"
+
+import { trpc } from "@scandic-hotels/trpc/client"
+
+import { userNotFound } from "@/constants/routes/errorPages"
+import { logoutSafely } from "@/constants/routes/handleAuth"
+
+import useLang from "@/hooks/useLang"
+import { isValidClientSession } from "@/utils/clientSession"
+
+export function UserExists() {
+  const { data: session } = useSession()
+  const isUserLoggedIn = isValidClientSession(session)
+  const lang = useLang()
+
+  const { data, isLoading: isLoadingUser } = trpc.user.get.useQuery(undefined, {
+    enabled: isUserLoggedIn,
+  })
+
+  if (!isUserLoggedIn) {
+    return null
+  }
+
+  if (isLoadingUser) {
+    return null
+  }
+
+  if (data && "error" in data && data.error) {
+    switch (data.cause) {
+      case "notfound":
+        redirect(
+          `${logoutSafely[lang]}?redirectTo=${encodeURIComponent(userNotFound[lang])}`
+        )
+      default:
+        break
+    }
+  }
+
+  return null
+}