-1
我想從另一個函數調用一個函數(refresh_access_token)並從中創建一個Promise鏈。但refresh_access_token內的返回函數不起作用。 refresh_access_token在完成時不返回給調用者。 我收到這樣的信息:功能沒有承諾返回
Unhandled rejection TypeError: Cannot read property 'then' of undefined
我怎樣才能解決這個問題?
這些都是2功能代碼:
exports.refresh_access_token = function(environment_hash) {
var MercadoLibre = require('../../models/index').MercadoLibre;
var needle = require('needle');
const load = require('express-load');
var meli = require('mercadolibre');
var request=require('request');
const mysql = require('mysql');
const dotenv = require('dotenv').config({path: '../../.env'});
var oauth_url = 'https://api.mercadolibre.com/oauth/token';
var env_hash = environment_hash;
where = { environment_hash: env_hash };
MercadoLibre.findOne({where: where}).then(function (account) {
if (!account) {
// Item not found
} else {
// Found an item, update it
needle.post(oauth_url, {
grant_type: 'refresh_token',
client_id: process.env.MERCADOLIBRE_CLIENT_ID,
client_secret: process.env.MERCADOLIBRE_SECRET,
refresh_token: account.refresh_token
}, {
}, function (err, res, body) {
if (body) {
expires_in = new Date();
expires_in.setUTCHours(0);
expires_in.setTime(expires_in.getTime() + 21600*1000);
values = {
refresh_token: body.refresh_token,
expires_in: expires_in
};
where = { environment_hash: env_hash };
return MercadoLibre.update(values, {where: where});
}
});
}
});
}
exports.run_mercadolibre_jobs = function() {
var MercadoLibre = require('../../models/index').MercadoLibre;
var values = {
attributes: ['environment_hash'],
raw: true
};
MercadoLibre
.findAll(values)
.then(function(accounts) {
Promise.all(accounts.map(function(account) {
module.exports.refresh_access_token(account.environment_hash)
.then(function(response) {
console.log(response);
})
.catch(function(response){
console.log(response);
});
}));
});
}
「未處理拒絕」?它實際上是這麼說嗎? – Carcigenicate
這基本上是一個NPE。你有一個未定義的值。調試以找出原因。 – Carcigenicate