Server side validation for simple rest client

sacred-rose · 2025-02-03T08:45:16.599Z

I have used swizzle on the simple rest api. How do I extend it to support server-side validation

K

kapa.ai•2/3/25, 8:45 AM

Hi @Todilo. I'm kapa.ai, your friendly support bot. I will try to answer your question by searching through the knowledge base.

K

kapa.ai•2/3/25, 8:45 AM

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To implement server-side validation with the simple REST data provider in refine, you can extend the data provider by overriding specific functions. Here's how you can do it:

First, import the simple REST data provider:

import dataProvider from "@refinedev/simple-rest";

import dataProvider from "@refinedev/simple-rest";

import dataProvider from "@refinedev/simple-rest";

import dataProvider from "@refinedev/simple-rest";

Then, create a new data provider that extends the simple REST provider:

const simpleRestProvider = dataProvider("API_URL");
const myDataProvider = {
  ...simpleRestProvider,
  create: async ({ resource, variables, meta }) => {
    try {
      return await simpleRestProvider.create({ resource, variables, meta });
    } catch (error) {
      if (error.statusCode === 400 && error.errors) {
        // Transform the error to match the HttpError interface
        throw {
          message: error.message,
          statusCode: error.statusCode,
          errors: error.errors
        };
      }
      throw error;
    }
  },
};

const simpleRestProvider = dataProvider("API_URL");
const myDataProvider = {
  ...simpleRestProvider,
  create: async ({ resource, variables, meta }) => {
    try {
      return await simpleRestProvider.create({ resource, variables, meta });
    } catch (error) {
      if (error.statusCode === 400 && error.errors) {
        // Transform the error to match the HttpError interface
        throw {
          message: error.message,
          statusCode: error.statusCode,
          errors: error.errors
        };
      }
      throw error;
    }
  },
};

const simpleRestProvider = dataProvider("API_URL");
const myDataProvider = {
  ...simpleRestProvider,
  create: async ({ resource, variables, meta }) => {
    try {
      return await simpleRestProvider.create({ resource, variables, meta });
    } catch (error) {
      if (error.statusCode === 400 && error.errors) {
        // Transform the error to match the HttpError interface
        throw {
          message: error.message,
          statusCode: error.statusCode,
          errors: error.errors
        };
      }
      throw error;
    }
  },
};

const simpleRestProvider = dataProvider("API_URL");
const myDataProvider = {
  ...simpleRestProvider,
  create: async ({ resource, variables, meta }) => {
    try {
      return await simpleRestProvider.create({ resource, variables, meta });
    } catch (error) {
      if (error.statusCode === 400 && error.errors) {
        // Transform the error to match the HttpError interface
        throw {
          message: error.message,
          statusCode: error.statusCode,
          errors: error.errors
        };
      }
      throw error;
    }
  },
};

Use this custom data provider in your Refine component:

<Refine dataProvider={myDataProvider} />

<Refine dataProvider={myDataProvider} />

<Refine dataProvider={myDataProvider} />

<Refine dataProvider={myDataProvider} />

This approach allows you to intercept the response from your API, handle any validation errors, and transform them into the format that refine expects for server-side validation.

The key is to ensure that the error object thrown matches the

HttpError

HttpError

HttpError

HttpError interface used by refine, which includes

message

message

,

statusCode

statusCode

statusCode

statusCode, and

errors

errors

errors

errors properties.

For more detailed information on server-side validation in refine, you can refer to the Server Side Validation documentation.

Remember to adjust the error handling logic to match the specific error format returned by your API.

K

kapa.ai•2/3/25, 8:45 AM

FAQ: How to override specific function of Data Providers
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K

kapa.ai•2/3/25, 8:45 AM

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