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このコードは、この行のほかに "inventory [asset.assetid] .floatvalue = getFloat"というコードで完全に動作します。あなたが見ることができるように、それは非同期モードにあり、この行は何らかの値を取得する要求を初期化しますが、値は未定義です。私はそれをテストし、要求の主な問題は非同期でもあります。したがって、非同期モードを停止してリクエストの戻りを待つ方法が答えです。"async.forEach" itetarionは要求が出力されるまで停止します
'use strict'
const config = require('../config');
const request = require('request');
const async = require('async');
const Trade = require('./index');
const MAX_RETRIES = 3;
const API_URL = 'https://api.steamapis.com/steam/inventory';
const floaturl = 'https://api.csgofloat.com:1738/';
Trade.prototype.getInventory = function getInventory(steamID64, appID, contextID, callback, retries) {
request(`${API_URL}/${steamID64}/${appID}/${contextID}?api_key=${config.SteamApisKey}`, (error, response, body) => {
if (!error && response.statusCode === 200) {
const items = JSON.parse(body)
const assets = items.assets
const descriptions = items.descriptions
const inventory = {}
if (descriptions && assets) {
async.forEach(descriptions, (description, cbDesc) => async.forEach(assets, (asset, cbAsset) => {
if (description.classid === asset.classid && description.tradable && description.marketable && description.market_hash_name.indexOf('Souvenir') === -1) {
if (typeof inventory[asset.assetid] !== 'undefined') {
return true
}
const type = Trade.prototype.getItemType(description.market_hash_name, description.type)
const wear = Trade.prototype.getItemWear(description.market_hash_name)
const inspect = Trade.prototype.getInspect(steamID64, asset.assetid, description.actions)
const getFloat = Trade.prototype.getFloat(inspect, asset.assetid, function(_float){
var data = String(_float);
inventory[asset.assetid].floatvalue = data; // inside the callback, at this moment judging by the consol the data is defined,but outside the callback the data is not appreciated to inventory[asset.assetid].floatvalue
});
inventory[asset.assetid] = asset
inventory[asset.assetid].item_type = type
inventory[asset.assetid].item_wear = wear
inventory[asset.assetid].inspect = inspect
inventory[asset.assetid].floatvalue = getFloat // this line does not work properly
inventory[asset.assetid].data = {
background: description.background_color,
image: description.icon_url,
tradable: description.tradable,
marketable: description.marketable,
market_hash_name: description.market_hash_name,
type: description.type,
color: description.name_color,
}
}
return cbAsset()
}, cbDesc))
}
return callback(null, inventory)
}
let retry = retries
if (typeof retries === 'undefined') {
retry = 0
}
retry += 1
if (retry <= MAX_RETRIES) {
return Trade.prototype.getInventory(steamID64, appID, contextID, callback, retries)
}
let statusCode = null
if (typeof response !== 'undefined' && typeof response.statusCode !== 'undefined') {
statusCode = response.statusCode
}
return callback({ error, statusCode })
})
}
Trade.prototype.getInventories = function getInventories(params, callback) {
const inventories = {}
async.each(params, (user, cb) => {
Trade.prototype.getInventory(user.steamID64, user.appID, user.contextID, (err, data) => {
inventories[user.id] = {}
inventories[user.id] = {
error: err,
items: (!err) ? Object.keys(data).map(key => data[key]) : null,
}
cb()
})
},() => {
callback(inventories)
})
}
Trade.prototype.getItemType = function getItemType(marketHashName, type) {
if (marketHashName.indexOf('Key') !== -1) {
return { value: 0, name: 'key' }
}
if (marketHashName.indexOf('★') !== -1) {
return { value: 1, name: 'knife' }
}
if (
type.indexOf('Classified') !== -1 ||
type.indexOf('Contraband') !== -1 ||
type.indexOf('Covert') !== -1
) {
return { value: 2, name: 'rare_skin' }
}
if (
type.indexOf('Consumer Grade') !== -1 ||
type.indexOf('Base Grade') !== -1 ||
type.indexOf('Graffiti') !== -1 ||
type.indexOf('Sticker') !== -1 ||
type.indexOf('Industrial Grade') !== -1
) {
return { value: 4, name: 'misc' }
}
return { value: 3, name: 'weapon' }
}
Trade.prototype.getItemWear = function getItemWear(marketHashName) {
if (marketHashName.indexOf('Factory New') !== -1) {
return 'FN'
}
if (marketHashName.indexOf('Minimal Wear') !== -1) {
return 'MW'
}
if (marketHashName.indexOf('Field-Tested') !== -1) {
return 'FT'
}
if (marketHashName.indexOf('Well-Worn') !== -1) {
return 'WW'
}
if (marketHashName.indexOf('Battle-Scarred') !== -1) {
return 'BS'
}
return false
}
Trade.prototype.getInspect = function getInspect (steamID64, assetid, actions) {
let inspectLink = null;
if (actions) {
for (const a in actions) {
if (actions[a].name.indexOf('Inspect') !== -1) {
inspectLink = actions[a].link
inspectLink = inspectLink.replace('%owner_steamid%', steamID64)
inspectLink = inspectLink.replace('%assetid%', assetid)
}
}
}
return inspectLink
}
Trade.prototype.getFloat = function getFloat (adding, callback) {
request ("https://api.csgofloat.com:1738/?url=" + adding, (error, response, body) => {
if (!error && response.statusCode == 200) {
var floatBody = JSON.parse(body);
var float = floatBody["iteminfo"]["floatvalue"];
var id = id;
if (float != "") {
callback(float);
} else {
return "wrong";
}
} else {
console.log('something goes wrong');
return "wrong";
}
});
}