From 09cd81b60783c6babb377092759384daa3883411 Mon Sep 17 00:00:00 2001
From: Alexander Corn <mckay@doctormckay.com>
Date: Mon, 7 Sep 2015 00:00:19 -0400
Subject: [PATCH] Added CEconItem and getUserInventory

---
 classes/CEconItem.js | 56 +++++++++++++++++++++++++++++++++++++++++
 components/users.js  | 60 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 116 insertions(+)
 create mode 100644 classes/CEconItem.js

diff --git a/classes/CEconItem.js b/classes/CEconItem.js
new file mode 100644
index 0000000..9b2165f
--- /dev/null
+++ b/classes/CEconItem.js
@@ -0,0 +1,56 @@
+module.exports = CEconItem;
+
+function CEconItem(item, descriptions) {
+	var thing;
+	for(thing in item) {
+		if(item.hasOwnProperty(thing)) {
+			this[thing] = item[thing];
+		}
+	}
+
+	this.assetid = this.id = (this.id || this.assetid);
+	this.instanceid = this.instanceid || '0';
+	this.amount = parseInt(this.amount, 10);
+
+	// Merge the description
+	var description = descriptions[this.classid + '_' + this.instanceid];
+	if(description) {
+		for(thing in description) {
+			if(description.hasOwnProperty(thing)) {
+				this[thing] = description[thing];
+			}
+		}
+	}
+
+	this.tradable = !!this.tradable;
+	this.marketable = !!this.marketable;
+	this.commodity = !!this.commodity;
+	this.market_tradable_restriction = (this.market_tradable_restriction ? parseInt(this.market_tradable_restriction, 10) : 0);
+	this.market_marketable_restriction = (this.market_marketable_restriction ? parseInt(this.market_marketable_restriction, 10) : 0);
+}
+
+CEconItem.prototype.getImageURL = function() {
+	return "https://steamcommunity-a.akamaihd.net/economy/image/" + this.icon_url + "/";
+};
+
+CEconItem.prototype.getLargeImageURL = function() {
+	if(!this.icon_url_large) {
+		return this.getImageURL();
+	}
+
+	return "https://steamcommunity-a.akamaihd.net/economy/image/" + this.icon_url_large + "/";
+};
+
+CEconItem.prototype.getTag = function(category) {
+	if(!this.tags) {
+		return null;
+	}
+
+	for(var i = 0; i < this.tags.length; i++) {
+		if(this.tags[i].category == category) {
+			return this.tags[i];
+		}
+	}
+
+	return null;
+};
diff --git a/components/users.js b/components/users.js
index 41e9de0..42c57dd 100644
--- a/components/users.js
+++ b/components/users.js
@@ -1,5 +1,6 @@
 var SteamCommunity = require('../index.js');
 var SteamID = require('steamid');
+var CEconItem = require('../classes/CEconItem.js');
 
 SteamCommunity.prototype.addFriend = function(userID, callback) {
 	if(typeof userID === 'string') {
@@ -236,3 +237,62 @@ SteamCommunity.prototype.getUserInventoryContexts = function(userID, callback) {
 		callback(null, data);
 	});
 };
+
+SteamCommunity.prototype.getUserInventory = function(userID, appID, contextID, tradableOnly, callback) {
+	var self = this;
+
+	if(typeof userID === 'string') {
+		userID = new SteamID(userID);
+	}
+
+	var endpoint = "/profiles/" + userID.getSteamID64();
+	get([], []);
+
+	function get(inventory, currency, start) {
+		self.request({
+			"uri": "https://steamcommunity.com" + endpoint + "/inventory/json/" + appID + "/" + contextID,
+			"qs": {
+				"start": start,
+				"trading": tradableOnly ? 1 : undefined
+			},
+			"json": true
+		}, function(err, response, body) {
+			if(self._checkHttpError(err, response, callback)) {
+				return;
+			}
+
+			if(!body || !body.success || !body.rgInventory || !body.rgDescriptions || !body.rgCurrency) {
+				callback(new Error(body.Error || "Malformed response"));
+				return;
+			}
+
+			var i;
+			for(i in body.rgInventory) {
+				if(!body.rgInventory.hasOwnProperty(i)) {
+					continue;
+				}
+
+				inventory.push(new CEconItem(body.rgInventory[i], body.rgDescriptions));
+			}
+
+			for(i in body.rgCurrency) {
+				if(!body.rgCurrency.hasOwnProperty(i)) {
+					continue;
+				}
+
+				currency.push(new CEconItem(body.rgInventory[i], body.rgDescriptions));
+			}
+
+			if(body.more) {
+				var match = response.request.uri.href.match(/\/(profiles|id)\/([^\/]+)\//);
+				if(match) {
+					endpoint = "/" + match[1] + "/" + match[2];
+				}
+
+				get(inventory, currency, body.more_start);
+			} else {
+				callback(null, inventory, currency);
+			}
+		});
+	}
+};