conscious-sapphire•13mo ago

useOne Query Parameter?

Hi! I'd like to use a query parameter in my useOne call. I attempted to use meta, but the network request URL doesn't seem to have it. how can I add a query parameter for use with useOne?

5 Replies

kapa.ai•13mo ago

Hi @avangeous. I'm kapa.ai, your friendly support bot. I will try to answer your question by searching through the knowledge base. :wave: ---------------------- The useOne hook in Refine allows you to fetch a single record from the API. To add a query parameter to your useOne call, you can use the meta field. This field allows you to include custom parameters, such as a custom header, which can be easily accessed by the data provider. Here's an example of how to send a custom header parameter to the getOne method using meta:

import { useOne } from "@refinedev/core";  
  
useOne({  
 resource: "post",  
 id: "1",  
 meta: {  
 headers: {  
 "x-custom-header": "hello world",  
 },  
 },  
});

import { useOne } from "@refinedev/core";  
  
useOne({  
 resource: "post",  
 id: "1",  
 meta: {  
 headers: {  
 "x-custom-header": "hello world",  
 },  
 },  
});

In your data provider, you can then access the meta parameter like this:

import { DataProvider } from "@refinedev/core";  
  
export const dataProvider = (apiUrl: string): DataProvider => ({  
 // ...  
 getOne: async ({ resource, id, variables, meta }) => {  
 const { headers } = meta;  
 const url = `${apiUrl}/${resource}/${id}`;  
  
 httpClient.defaults.headers = {  
 ...headers,  
 };  
  
 const { data } = await httpClient.get(url, variables);  
  
 return {  
 data,  
 };  
 },  
 // ...  
});

import { DataProvider } from "@refinedev/core";  
  
export const dataProvider = (apiUrl: string): DataProvider => ({  
 // ...  
 getOne: async ({ resource, id, variables, meta }) => {  
 const { headers } = meta;  
 const url = `${apiUrl}/${resource}/${id}`;  
  
 httpClient.defaults.headers = {  
 ...headers,  
 };  
  
 const { data } = await httpClient.get(url, variables);  
  
 return {  
 data,  
 };  
 },  
 // ...  
});

Please note that the meta parameter can be used in all data, form, and table hooks. For more information, you can refer to the Refine documentation (https://refine.dev/docs/api-reference/core/providers/data-provider). However, if you want to add a query parameter to the URL of the request, you might need to modify the getOne method in your data provider to append the query parameters to the URL. The meta field is not automatically added to the URL, it's meant to be used to pass additional information to the data provider methods. ---------------------- Note: you can ask me a follow up question by @ mentioning me again :speech_balloon: ----------------------

kapa.ai•13mo ago

<@1122927158348763206> kapa.ai is still learning and improving, please let us how it did by reacting below

conscious-sapphire•13mo ago

@kapa.ai is there an alternative to getOne where i can fetch a single record with a query parameter? probably not

kapa.ai•13mo ago

Let me check the knowledge base for you. One moment! :books: ---------------------- Based on the provided extracts, the useOne and useShow hooks are the primary methods in Refine for fetching a single record from an API. Both of these hooks use the getOne method from the data provider, which accepts resource and id parameters. If you need to fetch a single record using a query parameter, you might need to customize your data provider's getOne method to handle this. The getOne method can be customized to accept additional parameters or to construct the API request URL in a specific way. Here's an example of how you might customize the getOne method to accept a query parameter:

getOne: async ({ resource, id, meta }) => {  
  // Construct the URL with the query parameter
  const url = `${resource}/${id}?myQueryParam=${meta.myQueryParam}`;

  // You can handle the request according to your API requirements.  
  const response = await fetch(url);
  const data = await response.json();

  return {  
    data,  
  };  
};

getOne: async ({ resource, id, meta }) => {  
  // Construct the URL with the query parameter
  const url = `${resource}/${id}?myQueryParam=${meta.myQueryParam}`;

  // You can handle the request according to your API requirements.  
  const response = await fetch(url);
  const data = await response.json();

  return {  
    data,  
  };  
};

In this example, myQueryParam is the query parameter you want to add to the request. You can replace this with the actual query parameter you want to use. Please note that this is a simplified example and you might need to adjust it based on your actual API requirements. For more information on customizing the data provider, you can refer to the Refine documentation (https://refine.dev/docs/api-reference/core/providers/data-provider). ---------------------- Note: you can ask me a follow up question by @ mentioning me again :speech_balloon: ----------------------

kapa.ai•13mo ago

<@1122927158348763206> kapa.ai is still learning and improving, please let us how it did by reacting below