How to use the call effect in redux-saga for API requests

Question

With the help of python programming How to use the call effect in redux-saga for API requests?

Answer 1

To write an action creator that handles errors in an asynchronous API call, follow these steps in a Redux-based setup:

Create the Action Types: Define action types for both success and error cases.

Write the Async Action Creator: Use async/await to handle the API call. Catch any errors and dispatch the error action.

Here’s an example using Redux Thunk for asynchronous actions:

// Action Types

const FETCH_DATA_REQUEST = 'FETCH_DATA_REQUEST';

const FETCH_DATA_SUCCESS = 'FETCH_DATA_SUCCESS';

const FETCH_DATA_FAILURE = 'FETCH_DATA_FAILURE';

// Action Creator for Async API call

export const fetchData = () => async (dispatch) => {

  dispatch({ type: FETCH_DATA_REQUEST });

  try {

    const response = await fetch('https://api.example.com/data');

    const data = await response.json();

    

    if (response.ok) {

      dispatch({ type: FETCH_DATA_SUCCESS, payload: data });

    } else {

      throw new Error(data.message || 'Failed to fetch data');

    }

  } catch (error) {

    dispatch({ type: FETCH_DATA_FAILURE, error: error.message });

  }

};