Theo's Typesafe Cult•8mo ago

zod validation with uploadthing and server actions

Does anyone know how i can handle with image upload to supabase. I have problem with zod schema with next js server action. I have custom hook for upload image and saving file.url from uploadthing and first wanna check with like z.array(instanceof(File) then later have another images array where i save urls of images to db I tried to make separated schema validation just for file and then merge with bigger schema to save all form in db but have conflict like having files array and dont have field prisma schema for that. Tried also to set these merged schema only for useForm and resolver,set submit form function only sending values from bigger (main) schema but for some reason backend still get that files array and cant save it .

4 Replies

notrebekahmikaelson•8mo ago

you can use next-safe-actions

yoloOP•8mo ago

i fixed it by adding onUpload directly after uploading images, but i tried to validate it with minimum 2 images and run action when submiting form before submitHandler function from react form state like this

const fileValidation = z.object({
  files: z.array(z.instanceof(File)),
  /* .min(2, "You have to select at least two images."), */
});

export const Schema = AddLocationFormSchema.merge(fileValidation);

type Inputs = z.infer<typeof Schema>;

 const form = useForm<Inputs>({
    resolver: zodResolver(Schema),
    mode: "onChange",
    defaultValues: {
      name: "",
    ...
files:[]
images:[] //i will push URLs of images there after upload 
    },
  });

const submitFormHandler = async (values: z.infer<typeof Schema>) => {
    await uploadFiles(values.files);

    setTransition(() => {
      location(values).then((data) => {
        if (data && data.error) {
          toast.error("Something went wrong!");
        }
        if (data && data.success) {
          form.reset();
          setSuccess(true);
        }
      });
    });
  };

useEffect(() => {
    console.log("test", uploadedFilesUrl);

    form.setValue("images", uploadedFilesUrl);
  }, [uploadedFilesUrl]);   //uploadedFilesUrl is from custom hook URLS of images

const fileValidation = z.object({
  files: z.array(z.instanceof(File)),
  /* .min(2, "You have to select at least two images."), */
});

export const Schema = AddLocationFormSchema.merge(fileValidation);

type Inputs = z.infer<typeof Schema>;

 const form = useForm<Inputs>({
    resolver: zodResolver(Schema),
    mode: "onChange",
    defaultValues: {
      name: "",
    ...
files:[]
images:[] //i will push URLs of images there after upload 
    },
  });

const submitFormHandler = async (values: z.infer<typeof Schema>) => {
    await uploadFiles(values.files);

    setTransition(() => {
      location(values).then((data) => {
        if (data && data.error) {
          toast.error("Something went wrong!");
        }
        if (data && data.success) {
          form.reset();
          setSuccess(true);
        }
      });
    });
  };

useEffect(() => {
    console.log("test", uploadedFilesUrl);

    form.setValue("images", uploadedFilesUrl);
  }, [uploadedFilesUrl]);   //uploadedFilesUrl is from custom hook URLS of images

and there is my action

export const location = async (values: z.infer<typeof Schema>) => {
  const user = await currentUser();

  if (!user) {
    return { error: "Unauthorized" };
  }

  const userId = user?.id;
  if (!userId) return false;

  const dbUser = await getUserById(userId);

  if (!dbUser) {
    return { error: "Unauthorized" };
  }

  const validateInputs = AddLocationFormSchema.safeParse(values);

  console.log(validateInputs);

  if (!validateInputs.success) {
    return { error: "Invalid fields!" };
  }

  const { files, ...rest } = values;

  console.log(rest);

  await db.locations.create({
    data: {
      ...rest,
      user: { connect: { id: userId } },
    },
  });

  return { success: "Settings Updated!" };
};

export const location = async (values: z.infer<typeof Schema>) => {
  const user = await currentUser();

  if (!user) {
    return { error: "Unauthorized" };
  }

  const userId = user?.id;
  if (!userId) return false;

  const dbUser = await getUserById(userId);

  if (!dbUser) {
    return { error: "Unauthorized" };
  }

  const validateInputs = AddLocationFormSchema.safeParse(values);

  console.log(validateInputs);

  if (!validateInputs.success) {
    return { error: "Invalid fields!" };
  }

  const { files, ...rest } = values;

  console.log(rest);

  await db.locations.create({
    data: {
      ...rest,
      user: { connect: { id: userId } },
    },
  });

  return { success: "Settings Updated!" };
};

but on submit i get this error

yoloOP•8mo ago

i dont understand what this means

yoloOP•8mo ago

as i said if i pass onUpload={uploadFiles} to direct upload on uploadthing after i upload files i can't validate this .min(2) because after upload my files array is empty

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zod validation with uploadthing and server actions