Backend requests

Backend.js

import { AsyncStorage } from 'react-native'
import Location from './Location.js'

class Backend {
  static get = async (url,params,callback) => {
    let p = ''
    params = (params ? params : {})
    const {location, status} = await Location.getAsync();
    if(!location)return;
    let endpoint = null
    try {
      if(location && Object.keys(location).length>0){ 
        params['location'] = JSON.stringify(location)
      } 
      if(params){
        p = Object.keys(params).map(function(k) {
          return `${encodeURIComponent(k)}=${encodeURIComponent(params[k])}`
        }).join('&')
      }
      endpoint = `${url}?${p}`
      let response = await fetch(
        endpoint,
        {
          method: 'GET',
          headers: {
            'Accept': 'application/json',
            'Content-Type': 'application/json',
            'token': this.token
          }
        }
      )
      let json = await response.json();
      if(callback)callback(json)
    } catch (error) {
      //alert(`Backend get: ${error} : ${endpoint} : ${params}`)
      //console.error(error);
    }


  }

  static post = async (url, params, callback) => {
    params = (params ? params : {})
    const {location, status} = await Location.getAsync();
    //if(!location)return
    let endpoint = null
    try {
      if(location && Object.keys(location).length>0){ 
        params['location'] = JSON.stringify(location)
      }
      let response = await fetch(
        url,
        {
          method: 'POST',
          headers: {
            'Accept': 'application/json',
            'Content-Type': 'application/json',
            'token': this.token
          },
          body: JSON.stringify(params)
        }
      );
      let json = await response.json();
      if(callback)callback(json)
    } catch (error) {

    }
  }
}

export default Backend;