CODEWITHSUNDEEP
reactjsgraphqlapolloreact-apollo
StackUnderFlow
StackUnderFlow

Reputation: 367

Apollo Query variable error when passing state

Trying to pass my state of sortNew below to the variables in the Apollo query but getting the following 400 ERROR:

Error: Network error: Response not successful: Received status code 400

Update: Here is the error details:

[GraphQL error]: Message: Variable "$orderBy" of type "String!" used in position expecting type "ItemOrderByInput"., Location: [object Object],[object Object], Path: undefined

This is the current code I'm using thats giving me errors.

Trying to get the ALL_ITEMS_QUERY to take the orderBy variable. Am I missing something?

import React, { Component } from "react";
import { Query } from "react-apollo";
import gql from "graphql-tag";
import styled from "styled-components";
import Item from "./Item";
import Pagination from "./Pagination";
import { perPage } from "../config";
import Sort from "./Sort";

const ALL_ITEMS_QUERY = gql`
  query ALL_ITEMS_QUERY($skip: Int = 0, $first: Int = ${perPage}, $orderBy: String!) {
    items(first: $first, skip: $skip, orderBy: $orderBy) {
      id
      title
      price
      description
      image
      largeImage
    }
  }
`;

const Center = styled.div`
  text-align: center;
`;

const ItemsList = styled.div`
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-gap: 60px;
  max-width: ${props => props.theme.maxWidth};
  margin: 0 auto;
  padding-bottom: 80px;
`;

class Items extends Component {
  state = {
    sortNew: "createdAt_ASC"
  };

  render() {
    return (
      <Center>
        <Pagination page={this.props.page} />
        <Sort />

        <Query
          query={ALL_ITEMS_QUERY}
          variables={{
            orderBy: this.state.sortNew,
            skip: this.props.page * perPage - perPage
          }}
        >
          {({ data, error, loading }) => {
            if (loading) return <p>Loading...</p>;
            if (error) return <p>Error: {error.message}</p>;
            return (
              <ItemsList>
                {data.items.map(item => (
                  <Item item={item} key={item.id} />
                ))}
              </ItemsList>
            );
          }}
        </Query>
        <Pagination page={this.props.page} />
      </Center>
    );
  }
}

export default Items;

Upvotes: 0

Views: 1227

Answers (1)

thislekan
thislekan

Reputation: 36

ALL_ITEMS_QUERY expects orderBy to be an enum like so orderBy: createdAt_ASC but you're passing in a string orderBy: String!. To solve this problem, pass in the enum name to ALL_ITEMS_QUERY, that way, your orderBy can be changed dynamically.

An example will look like this

const ALL_ITEMS_QUERY = gql`
  query ALL_ITEMS_QUERY($skip: Int = 0, $first: Int = ${perPage}, $orderBy: NameOfItemsEnum) {
    items(first: $first, skip: $skip, orderBy: $orderBy) {
      id
      title
      price
      description
      image
      largeImage
    }
  }
`;

where NameOfItemsEnum is the name given to the enum type on the Backend

Upvotes: 1

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