ADD: better handling of category types

lib/category.js

@@ -26,15 +26,20 @@ var utils = require('./utils');
 var category = function(client, xml) {
 	this.client = client;
 	if(xml) {
+		var get_type = function(type) {
+			return type;
+		};
+		this.get_type = get_type.bind(this, xml['task-category'] ? 'task-category' : 'deal-category');
 		utils.parse_xml(this, xml['task-category'] || xml['deal-category'] || xml);
 	}
 };
-category.prototype.create = function(type, item, callback) {
-	var path = '/' + type + '_categories.xml';
+category.prototype.create = function(item, callback) {
+	var path = '/' + item.type + '_categories.xml';
+	delete item.type;
 	this.client.create_item(path, utils.to_xml(item, type + '-category'), callback, category);
 };
-category.prototype.delete = function(type, callback) {
-	var url = '/' + type + '_categories/' + this.id + '.xml';
+category.prototype.delete = function(callback) {
+	var url = '/' + this.get_type() + '_categories/' + this.id + '.xml';
 
 	this.client.send('DELETE', url, function(err, res) {
 		callback(err);
@@ -43,11 +48,11 @@ category.prototype.delete = function(type, callback) {
 category.prototype.get = function(type, id, callback) {
 	this.client.get_item('/' + type + '_categories/' + id + '.xml', callback, category);
 };
-category.prototype.to_xml = function(type, excluded_keys) {
-	return utils.to_xml(this, type + '-category', excluded_keys);
+category.prototype.to_xml = function(excluded_keys) {
+	return utils.to_xml(this, this.get_type() + '-category', excluded_keys);
 };
-category.prototype.update = function(type, callback) {
-	var path = '/' + type + '_categories/' + this.id + '.xml';
+category.prototype.update = function(callback) {
+	var path = '/' + this.get_type() + '_categories/' + this.id + '.xml';
 	this.client.send('PUT', path, this.to_xml(type), callback);
 };