uzamaki21•4w ago

Value does not match validator

I pass a convex id as an URL params. This URL params i use to make a query to get other list of data. What i wanted to do was if someone tried to modify the URL say it doesnt exist but i get the convex error. Any solution as to why this happens ?

7 Replies

Convex Bot•4w ago

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lee•4w ago

You can use validator v.string() and check yourself in the function with ctx.db.normalizeId and/or ctx.db.get

uzamaki21OP•4w ago

i dont quite understand i know i am sending invalid id, what i want is to make a query and then reutrn error message that it doesnt work. Currently it crashes when i query with invalid query instead of giving me doesnt exist error

lee•4w ago

yes i think i understand. instead of subjectId: v.id("subjects") do subjectId: v.string(). Then in your function do const subject = await ctx.db.get(args.subjectId); and then if (subject === null) throw new ConvexError("invalid subject")

uzamaki21OP•4w ago

im having hard time fixing this issue

ballingt•4w ago

Are you still seeing this error? What does your args validator look like?

Tom Redman•4w ago

@uzamaki21 - you can cast your URL parameter as required. This is how I do the same thing (using tanstack router & tanstack query in this example):

function CampaignsEdit() {
  const { data: campaign } = useSuspenseQuery(
    convexQuery(api.campaigns.queries.getCampaign, {
      id: Route.useParams().campaignId as Id<"campaigns">, // <-- this makes the validator happy
    })
  );

  return <CampaignEditor campaign={campaign} />;
}

function CampaignsEdit() {
  const { data: campaign } = useSuspenseQuery(
    convexQuery(api.campaigns.queries.getCampaign, {
      id: Route.useParams().campaignId as Id<"campaigns">, // <-- this makes the validator happy
    })
  );

  return <CampaignEditor campaign={campaign} />;
}

Value does not match validator

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