Setting Up filters on Nextjs 14

Can you show me how to integrate filters on data table using Nextjs api routes as data provider ?

14 Replies

Hi @Léo. I'm kapa.ai, your friendly support bot. I will try to answer your question by searching through the knowledge base. :wave: ---------------------- Hmm, I don't know enough to give you a confident answer yet. However, you can explore the refine documentation for more information on setting up filters and using data providers: Handling Filters in a Data Provider (https://refine.dev/docs/advanced-tutorials/data-provider/handling-filters/#handle-filters-in-a-data-provider) and How to use Next.js API Routes? (https://refine.dev/blog/next-js-api-routes/). These resources might provide the guidance you need. ---------------------- Note: you can ask me a follow up question by @ mentioning me again :speech_balloon: ----------------------

kapa.ai•5mo ago

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like-goldOP•5mo ago

@kapa.ai How can i custom simple rest api data provider config to add filters handler ?

kapa.ai•5mo ago

Let me check the knowledge base for you. One moment! :books: ---------------------- To customize the Simple REST API data provider to add a filters handler, you can use the swizzle command to modify the data provider according to your needs. Here’s how you can do it: 1. Run the swizzle command: This command will allow you to customize the data provider.

   npm run refine swizzle

   npm run refine swizzle

2. Select @refinedev/simple-rest: Choose the Simple REST data provider from the list of available data providers. 3. Edit the /rest-data-provider/index.ts file: Customize the data provider by editing this file. You can add your custom logic to handle filters here. 4. Pass the customized data provider to the Refine component: Use the customized data provider in your application.

   import { Refine } from "@refinedev/core";
   import { dataProvider } from "./rest-data-provider";

   const App = () => {
     return (
       <Refine
         dataProvider={dataProvider("<https://api.fake-rest.refine.dev">)}
         /* ... */
       />
     );
   };

   import { Refine } from "@refinedev/core";
   import { dataProvider } from "./rest-data-provider";

   const App = () => {
     return (
       <Refine
         dataProvider={dataProvider("<https://api.fake-rest.refine.dev">)}
         /* ... */
       />
     );
   };

By following these steps, you can customize the Simple REST data provider to handle filters according to your specific requirements. For more detailed information, you can refer to the Customizing the Simple REST Data Provider (https://refine.dev/docs/data/packages/simple-rest/#customizing-the-data-provider-) documentation. ---------------------- Note: you can ask me a follow up question by @ mentioning me again :speech_balloon: ----------------------

kapa.ai•5mo ago

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like-goldOP•5mo ago

Is it possible to handle filters on client side unsing useTable ? @kapa.ai Is it possible to handle filters on client side unsing useTable ? @kapa.ai

kapa.ai•5mo ago

Let me check the knowledge base for you. One moment! :books: ---------------------- Yes, it is possible to handle filters on the client side using the useTable hook in refine. To achieve client-side filtering, you need to set the filters.mode to "off". This disables server-side filtering and allows you to manage filters locally within your component. Here is an example of how you can implement client-side filtering:

import { useTable } from "@refinedev/core";  
import React, { useMemo } from "react";

const List = () => {  
  const { tableQuery, filters, setFilters } = useTable({  
    filters: {  
      mode: "off",  
    },  
  });  
  
  const filteredData = useMemo(() => {  
    if (filters.length === 0) {  
      return tableQuery.data;  
    }  
  
    const logicalFilters = filters.flatMap((item) =>  
      "field" in item ? item : [],  
    );  
  
    return tableQuery.data.filter((item) => {  
      return logicalFilters.some((filter) => {  
        if (filter.operator === "eq") {  
          return item[filter.field] === filter.value;  
        }  
      });  
    });  
  }, [tableQuery.data, filters]);  
  
  return (  
    <div>  
      <table>  
        <tbody>  
          {filteredData.map((item) => (  
            <tr key={item.id}>{/* ...  */}</tr>  
          ))}  
        </tbody>  
      </table>  
    </div>  
  );  
};

import { useTable } from "@refinedev/core";  
import React, { useMemo } from "react";

const List = () => {  
  const { tableQuery, filters, setFilters } = useTable({  
    filters: {  
      mode: "off",  
    },  
  });  
  
  const filteredData = useMemo(() => {  
    if (filters.length === 0) {  
      return tableQuery.data;  
    }  
  
    const logicalFilters = filters.flatMap((item) =>  
      "field" in item ? item : [],  
    );  
  
    return tableQuery.data.filter((item) => {  
      return logicalFilters.some((filter) => {  
        if (filter.operator === "eq") {  
          return item[filter.field] === filter.value;  
        }  
      });  
    });  
  }, [tableQuery.data, filters]);  
  
  return (  
    <div>  
      <table>  
        <tbody>  
          {filteredData.map((item) => (  
            <tr key={item.id}>{/* ...  */}</tr>  
          ))}  
        </tbody>  
      </table>  
    </div>  
  );  
};

In this example, the filters state is used to filter the data on the client side. The useMemo hook is utilized to compute the filtered data based on the current filters. You can adjust the filtering logic as needed to suit your application's requirements. For more information, you can refer to the refine documentation on client-side filtering with useTable (https://refine.dev/docs/data/hooks/use-table/#how-can-i-handle-client-side-filtering). ---------------------- Note: you can ask me a follow up question by @ mentioning me again :speech_balloon: ----------------------

kapa.ai•5mo ago

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like-goldOP•5mo ago

If i use setFilters of useTable how can i get operator on the request url (simple rest api) @kapa.ai

kapa.ai•5mo ago

Let me check the knowledge base for you. One moment! :books: ---------------------- To include the filter operator in the request URL when using the setFilters function with the Simple REST API, you need to ensure that your data provider is correctly mapping the filter operators to the query parameters expected by your API. Here's a general approach to achieve this: 1. Customize the Data Provider: You can customize the Simple REST data provider to map the filter operators to the appropriate query parameters. This involves modifying the data provider to handle the filters and operators correctly. 2. Map Operators: In your customized data provider, you can map the operators to the query string format that your API expects. For example, you might map the "contains" operator to _like or the "eq" operator to an empty string. Here is a conceptual example of how you might implement this mapping:

const mapOperator = (operator) => {
  switch (operator) {
    case "contains":
      return "_like";
    case "eq":
    default:
      return "";
  }
};

const generateFilter = (filters) => {
  const queryFilters = {};

  if (filters) {
    filters.forEach((filter) => {
      if ("field" in filter) {
        const { field, operator, value } = filter;
        const mappedOperator = mapOperator(operator);
        queryFilters[`${field}${mappedOperator}`] = value;
      }
    });
  }

  return queryFilters;
};

const mapOperator = (operator) => {
  switch (operator) {
    case "contains":
      return "_like";
    case "eq":
    default:
      return "";
  }
};

const generateFilter = (filters) => {
  const queryFilters = {};

  if (filters) {
    filters.forEach((filter) => {
      if ("field" in filter) {
        const { field, operator, value } = filter;
        const mappedOperator = mapOperator(operator);
        queryFilters[`${field}${mappedOperator}`] = value;
      }
    });
  }

  return queryFilters;
};

3. Use setFilters: When you use the setFilters function, ensure that the filters are structured in a way that your customized data provider can process them.

setFilters([
  {
    field: "name",
    operator: "contains",
    value: "John",
  },
]);

setFilters([
  {
    field: "name",
    operator: "contains",
    value: "John",
  },
]);

By customizing the data provider and mapping the operators correctly, you can ensure that the filter operators are included in the request URL as expected by your Simple REST API. For more detailed guidance, you can refer to the refine documentation on customizing the Simple REST data provider (https://refine.dev/docs/data/packages/simple-rest/#customizing-the-data-provider-). ---------------------- Note: you can ask me a follow up question by @ mentioning me again :speech_balloon: ----------------------

kapa.ai•5mo ago

<@519974783249547294> kapa.ai is still learning and improving, please let us know how it did by reacting below

like-goldOP•5mo ago

Do i need to swizzle data provider to handle correctly filter using Nextjs 14 @kapa.ai api routes ?

kapa.ai•5mo ago

Let me check the knowledge base for you. One moment! :books: ---------------------- To handle filters correctly using Next.js 14 API routes with a data provider, you may need to customize the data provider if the default implementation does not meet your requirements. This process is often referred to as "swizzling" in the context of refine, which allows you to modify the behavior of the data provider. Here are the steps you might consider: 1. Swizzle the Data Provider: Use the swizzle command to customize the data provider. This will allow you to modify how filters are handled and ensure they are correctly passed to your Next.js API routes.

   npm run refine swizzle

   npm run refine swizzle

2. Customize Filter Handling: In the customized data provider, you can implement logic to map the filters to the query parameters expected by your Next.js API routes. This might involve translating filter operators and values into a format that your API can process. 3. Integrate with Next.js API Routes: Ensure that your Next.js API routes are set up to handle the incoming query parameters and apply the necessary filtering logic on the server side. By customizing the data provider, you can ensure that filters are correctly handled and integrated with your Next.js API routes. For more detailed guidance, you can refer to the refine documentation on customizing the Simple REST data provider (https://refine.dev/docs/data/packages/simple-rest/#customizing-the-data-provider-). ---------------------- Note: you can ask me a follow up question by @ mentioning me again :speech_balloon: ----------------------

kapa.ai•5mo ago

<@519974783249547294> kapa.ai is still learning and improving, please let us know how it did by reacting below

Setting Up filters on Nextjs 14

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