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react js fetch api using file upload not being sent to body

Here is my code
let formData = new FormData();
// Update the formData object
formData.append(
"myFile",
this.state.product_picture,
this.state.product_picture.name
);
var options = { content: formData };
const token = JSON.parse(localStorage.getItem('token'));
const requestOptions = {
method: 'POST',
headers: {
'Accept': 'application/json',
'Content-Type': 'application/json',
},
body: JSON.stringify({
product_name:this.state.product_name,
product_description:this.state.product_description,
product_picture:formData,
category_name:this.state.category_choosen,
})
};
fetch('http://cms.test/api/products/insert_supplier_product?token='+token, requestOptions)
.then(response => response.json())
.then(data => {
this.setState({ product: data.product})
})
.catch(error =>{
console.log("Product creation error", error);
});
I have this fetch api its always giving a 422 response I think what is happening is that its not reading a file as I want to upload a file it all works in postman but when using react it crashes
The body here is the problem
inside the state there are some strings but inside the this.state.product_picture there is a file
Hope someone can help! Thank you!
SOLUTION: Using axios to call the api solved my problem

You cannot send a file in a JSON object in a request( atleast not without Base64 encoding it). Change your code in the following way to send a file with your form.
let formData = new FormData();
// Update the formData object
formData.append(
"myFile",
this.state.product_picture,
this.state.product_picture.name
);
formData.append("product_name",this.state.product_name);
formData.append("product_description",this.state.product_description);
formData.append("category_name",this.state.category_choosen);
var options = { content: formData };
const token = JSON.parse(localStorage.getItem('token'));
const requestOptions = {
method: 'POST',
headers: {
'Accept': 'application/json',
'Content-Type': 'multipart/form-data',
},
body: formData
};
fetch('http://cms.test/api/products/insert_supplier_product?token='+token, requestOptions)
.then(response => response.json())
.then(data => {
this.setState({ product: data.product})
})
.catch(error =>{
console.log("Product creation error", error);
});

Is there a way to show discord members in a server in html

I have a problem / question. I want to have a list of all users in a discord server but I don't know how to display the list in html. There is my code :
const data = new FormData();
data.append('client_id', '573300679112785920');
data.append('client_secret', 'secret');
data.append('grant_type', 'authorization_code');
data.append('redirect_uri', 'http://localhost:5665/?token=123456');
data.append('scope', 'identify guilds');
data.append('code', "secret");
fetch('https://discordapp.com/api/oauth2/token', {
method: 'POST',
body: data,
})
.then(info => fetch('https://discordapp.com/api/guilds/506162141888380938/members?limit=20', {
headers: {
authorization: `Bot [botToken]`,
"Content-Type": "application/json"
},
}))
.then(res => res.json())
.then(console.log);

Javascript node-fetch usage

I can get the data by request from this code.
let request = require('request');
let options = {
'method': 'POST',
'url': 'https://example.com/api',
'headers': {
'Content-Type': 'application/x-www-form-urlencoded'
},
form: {
'client_id': '12345678',
'client_secret': 'abcdefg'
}
};
request(options, function (error, response) {
if (error) throw new Error(error);
console.log(response.body);
});
However, I got '404.00.001' when I use "fetch" to access the same API. Is there any thing wrong in this code?
const fetch = require("node-fetch");
const url = "https://example.com/api";
var headers = {
'Content-Type': 'application/x-www-form-urlencoded'
};
var data = JSON.stringify( {
'client_id': '12345678',
'client_secret': 'abcdefg'
});
fetch(url, {method: 'POST', headers: headers, body: data})
.then(response => response.json())
.then((resp) => {
console.log(resp);
})
.catch(error => console.error('Unable to fetch token.', error));

'Content-Type': 'application/x-www-form-urlencoded' does not say JSON so why do you have var data = JSON.stringify?
The documentation tells you how to encode data as form parameters.
const { URLSearchParams } = require('url');
const params = new URLSearchParams();
params.append('a', 1);

Getting different server response in Jquery $ajax and fetch in reactjs. Why aren't they the same?

$ajax server response:
{"username":"","password":""}
fetch server response:
{"{\"username\":\"\",\"password\":\"\"}":""}
Why aren't they the same? I need the same server response. I'm using PHP+Apache
Here is my code:
import $ from 'jquery';
export function FetchData(type, data){
const serverUrl = 'http://localhost/oms/'+ type + ".php";
return new Promise((resolve, reject) => {
$.ajax({
type: 'POST',
url: serverUrl,
data //body : {username: "username", password:"password"}
})
.done(function(res) {
//console.log(res);
resolve (res);
})
.fail(function(jqXHR, exception){
//alert('server error()');
reject(jqXHR);
});
fetch(serverUrl,{
method: 'POST',
headers: {
Accept: '*/*',
'Content-Type': 'application/x-www-form-urlencoded',
//'Access-Control-Allow-Origin': '*',
//'Access-Control-Allow-Methods': 'POST,GET,OPTIONS,PUT,DELETE',
//'Access-Control-Allow-Headers': 'Content-Type,Accept',
},
body: JSON.stringify(data)
//body : {username: data.username, password: data.password}
})
.then((response) => response.json())
.then((responseJson) => {
resolve(responseJson);
})
.catch((error) => {
reject(error);
});
});
}

The responses are essentially the same just that response from fetch library returns a Stringified JSON.
You need to convert it into actual JS object.
const responseData = JSON.parse(response.json())

This occurs because you're sending the content type application/x-www-form-urlencoded with JSON data you need to change it to application/json like
export const FetchData = (type, data) => {
let serverUrl = 'http://localhost/oms/'+ type + ".php";
let data = {
username: data.username,
password: data.password
};
return new Promise((resolve, reject) => {
fetch(serverUrl, {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'Accept': 'application/json',
},
credentials: 'include',
body: JSON.stringify(data),
})
.then((response) => response.json())
.then((responseJson) => {
resolve(responseJson)
})
.catch((error) => {
reject(error)
})
})
};
I added credentials it's read-only property of the Request interface indicates whether the user agent should send cookies from the other domain in the case of cross-origin requests. This is similar to XHR’s withCredentials flag
If you want to use something smaller to jQuery you can use Axios It's XMLHttpRequests
If you get some CORS issues this will help you

How to use Authorization Header in React Native fetch to make a get request using Yelp API

I am trying to make a post request using FETCH in react-native. I am getting a validation error. What am I missing here?
_fetchYelp(){
let data = {
method: 'POST',
body: JSON.stringify({
'client_id': 'id',
'client_secret': 'secret',
'grant_type': 'client_credentials'
}),
headers: {
'Accept': 'application/json',
'Content-Type': 'application/x-www-form-urlencoded'
}
}
return fetch('https://api.yelp.com/oauth2/token', data)
.then(response => response.json());
}
Error
status 400
timeout 0
response {"error":{"code":"VALIDATION_ERROR",
"description":"client_id or client_secret parameters not found. Make sure to provide client_id and client_secret in the body with the application/x-www-form-urlencoded content-type"}}
response_url https://api.yelp.com/oauth2/token
Thank you.

getAccessToken() {
let formData = new FormData();
formData.append('grant_type', 'client_credentials')
formData.append('client_id', 'yourID')
formData.append('client_secret', 'yourSecret')
let headers = new Headers();
return fetch('https://yourBaseUrl/oauth2/token/', {
method: 'POST',
headers: headers,
body: formData,
})
.then((response) => response.json())
}