application-amicale/src/utils/WebData.js

81 lines
2.1 KiB
JavaScript

// @flow
export const ERROR_TYPE = {
SUCCESS: 0,
BAD_CREDENTIALS: 1,
BAD_TOKEN: 2,
NO_CONSENT: 3,
BAD_INPUT: 400,
FORBIDDEN: 403,
CONNECTION_ERROR: 404,
SERVER_ERROR: 500,
UNKNOWN: 999,
};
type response_format = {
error: number,
data: Object,
}
const API_ENDPOINT = "https://www.amicale-insat.fr/api/";
export async function apiRequest(path: string, method: string, params: ?Object) {
if (params === undefined || params === null)
params = {};
return new Promise((resolve, reject) => {
fetch(API_ENDPOINT + path, {
method: method,
headers: new Headers({
'Accept': 'application/json',
'Content-Type': 'application/json',
}),
body: JSON.stringify({
...params
})
}).then(async (response) => response.json())
.then((response: response_format) => {
if (isResponseValid(response)) {
if (response.error === ERROR_TYPE.SUCCESS)
resolve(response.data);
else
reject(response.error);
} else
reject(ERROR_TYPE.CONNECTION_ERROR);
})
.catch(() => {
reject(ERROR_TYPE.CONNECTION_ERROR);
});
});
}
export function isResponseValid(response: response_format) {
let valid = response !== undefined
&& response.error !== undefined
&& typeof response.error === "number";
valid = valid
&& response.data !== undefined
&& typeof response.data === "object";
return valid;
}
/**
* Read data from FETCH_URL and return it.
* If no data was found, returns an empty object
*
* @param url The urls to fetch data from
* @return {Promise<Object>}
*/
export async function readData(url: string) {
return new Promise((resolve, reject) => {
fetch(url)
.then(async (response) => response.json())
.then((data) => {
resolve(data);
})
.catch(() => {
reject();
});
});
}