fix: sign in redirection flicker (#4245)

web/hooks/use-sign-in-redirection.ts

@@ -1,9 +1,9 @@
 import { useCallback, useState } from "react";
 import { useRouter } from "next/router";
-// hooks
-import { useUser } from "@/hooks/store";
 // types
-import { IUser, IUserSettings } from "@plane/types";
+import { IUser, IUserSettings, IWorkspace } from "@plane/types";
+// hooks
+import { useUser, useWorkspace } from "@/hooks/store";
 
 type UseSignInRedirectionProps = {
   error: any | null;
@@ -20,6 +20,7 @@ const useSignInRedirection = (): UseSignInRedirectionProps => {
   const { next_path } = router.query;
   // mobx store
   const { fetchCurrentUser, fetchCurrentUserSettings } = useUser();
+  const { fetchWorkspaces } = useWorkspace();
 
   const isValidURL = (url: string): boolean => {
     const disallowedSchemes = /^(https?|ftp):\/\//i;
@@ -47,20 +48,26 @@ const useSignInRedirection = (): UseSignInRedirectionProps => {
 
         // Fetch the current user settings
         const userSettings: IUserSettings = await fetchCurrentUserSettings();
+        const workspacesList: IWorkspace[] = await fetchWorkspaces();
 
         // Extract workspace details
         const workspaceSlug =
           userSettings?.workspace?.last_workspace_slug || userSettings?.workspace?.fallback_workspace_slug;
 
         // Redirect based on workspace details or to profile if not available
-        if (workspaceSlug) router.push(`/${workspaceSlug}`);
+        if (
+          workspaceSlug &&
+          workspacesList &&
+          workspacesList.filter((workspace) => workspace.slug === workspaceSlug).length > 0
+        )
+          router.push(`/${workspaceSlug}`);
         else router.push("/profile");
       } catch (error) {
         console.error("Error in handleSignInRedirection:", error);
         setError(error);
       }
     },
-    [fetchCurrentUserSettings, router, next_path]
+    [fetchCurrentUserSettings, fetchWorkspaces, router, next_path]
   );
 
   const updateUserInfo = useCallback(async () => {