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Aliexpress Plus

Sorts search results by item price properly with shipping costs included, Lets you search your wishlish, Shows related wishlist items in search and item pages, Adds search default options.

当前为 2014-11-01 提交的版本，查看 最新版本。

// ==UserScript==
// @name        Aliexpress Plus
// @namespace   http://www.facebook.com/Tophness
// @description Sorts search results by item price properly with shipping costs included, Lets you search your wishlish, Shows related wishlist items in search and item pages, Adds search default options.
// @include     http://*aliexpress.com/wishlist*
// @include     http://*alibaba.com/wishlist*
// @include     http://*aliexpress.com/*
// @require     https://gf.qytechs.cn/scripts/6217-gm-config/code/GM_config.js?version=23537
// @version     1.4
// @grant   GM_getValue
// @grant   GM_setValue
// @grant   GM_log
// @grant   GM_registerMenuCommand
// ==/UserScript==

if (window.top != window.self)
	return;

var orders = new Array();
var cstoken = '';
var doneLoading = 0;
var currentPage = 1;
var ListingRanks = new Array();
var ListingsRows = [];
var price = /\$([\d\,]*.\d\d)/;
var searchel = document.getElementById('form-search') || document.getElementById('form-searchbar');
var uls;
var args = {
	SortType : ["price_asc", "price_dsc"],
	groupsort : ["0", "1"],
	CatId : ["0"],
	ltype : ["wholesale"],
	isUnitPrice : ["y", "n"],
	minQuantity : ["", "0", "1", "2", "5", "10", "20", "50", "100", "200"],
	maxQuantity : ["", "0", "1", "2", "5", "10", "20", "50", "100", "200"],
	isFreeShip : ["", "y", "n"]
};
var frame = document.createElement('div');
document.body.appendChild(frame);
var fields = {
	'Mode' : {
		'label' : 'Wishlist Search Mode',
		'type' : 'select',
		'options' : ['Relative', 'Contains Text', 'Exact'],
		'default' : 'Contains Text'
	}
};
if (searchel) {
	getsrcvars();
}

GM_config.init({
	'id' : 'GM_config',
	'fields' : fields,
	'frame' : frame
});

if (searchel) {
	for (key in args) {
		//if(document.getElementsByName(key)[0] != undefined){
		//	document.getElementsByName(key)[0].value = GM_config.get(key);
		//}
		//else{
		var extras = document.createElement('input');
		extras.type = 'hidden';
		extras.name = key;
		extras.value = GM_config.get(key);
		searchel.appendChild(extras);
		//}
	}
	try {
		uls = document.getElementById('list-items') || document.getElementById('hs-below-list-items');
	} catch (e) {}
	FindAllRows();
}

GM_registerMenuCommand('Aliexpress Plus Options', opengmcf);

function getsrcvars() {
	for (key in args) {
		fields[key] = {
			'label' : key,
			'type' : 'select',
			'options' : args[key],
			'default' : args[key][0]
		};
	}
}

function opengmcf() {
	GM_config.open();
}

function grabOrders(doc) {
	var tags = doc.getElementsByTagName('tbody')[0].getElementsByTagName('tr');
	for (var i = 0; i < tags.length; i++) {
		var oblink;
		var obprice;
		var ob;
		try {
			ob = tags[i].getElementsByClassName('main-info-hd')[0].getElementsByTagName('a')[0];
			oblink = ob.href;
			obprice = tags[i].getElementsByClassName('price price-m')[0].getElementsByClassName('value')[0].textContent.replace(/\s+/g, "").replace("$", "");
			//obprice = obprice.substring(obprice.indexOf('$') + 1);
			//obprice = obprice.substring(0, obprice.indexOf('/') - 1);
			obtitle = ob.innerHTML;
		} catch (e) {}
		if (oblink) {
			orders.push({
				title : obtitle,
				price : obprice,
				href : oblink,
				el : escape(tags[i].innerHTML.toString().replace(/<null[^>]/g, "<img "))
			});
		}
	}

	tags = doc.getElementsByTagName('input');
	for (var i = 0; i < tags.length; i++) {
		if (tags[i].name.startsWith('_csrf_token')) {
			cstoken = tags[i].value;
			break;
		}
	}
}

function loadAPage() {
	var parameters = "_csrf_token=" + cstoken + "&page=" + currentPage;
	page_request.open('POST', 'wish_list_product_list.htm?rand=' + Math.random(), true);
	page_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");

	page_request.send(parameters);
}

(function () {
	var default_floor = 0.5;

	function pairs(str) {
		var pairs = [],
		length = str.length - 1,
		pair;
		for (var i = 0; i < length; i++) {
			pair = str.substr(i, 2);
			if (!/\s/.test(pair)) {
				pairs.push(pair);
			}
		}
		return pairs;
	}

	function similarity(pairs1, pairs2) {
		var union = pairs1.length + pairs2.length,
		hits = 0;

		for (var i = 0; i < pairs1.length; i++) {
			for (var j = 0; j < pairs1.length; j++) {
				if (pairs1[i] == pairs2[j]) {
					pairs2.splice(j--, 1);
					hits++;
					break;
				}
			}
		}
		return 2 * hits / union || 0;
	}

	String.prototype.fuzzy = function (strings, floor) {
		var str1 = this,
		pairs1 = pairs(this);

		floor = typeof floor == 'number' ? floor : default_floor;

		if (typeof(strings) == 'string') {
			return str1.length > 1 && strings.length > 1 && similarity(pairs1, pairs(strings)) >= floor || str1 == strings;
		} else if (strings instanceof Array) {
			var scores = {};

			strings.map(function (str2) {
				scores[str2] = str1.length > 1 ? similarity(pairs1, pairs(str2)) : 1 * (str1 == str2);
			});

			return strings.filter(function (str) {
				return scores[str] >= floor;
			}).sort(function (a, b) {
				return scores[b] - scores[a];
			});
		}
	};
})();

function lookup(arr) {
	var newarr = [];
	for (var i = 0; i < arr.length; i++) {
		newarr.push(arr[i].title);
	}
	return newarr;
}

function searchfunc(q, similarity) {
	var qval = q.fuzzy(ulist, similarity);
	if (qval.length > 0) {
		return qval;
	} else {
		return false;
	}
}

function searchin(q) {
	var qval = [];
	for (var i = 0; i < ulist.length; i++) {
		if (ulist[i].indexOf(q) != -1) {
			qval.push(i);
		}
	}
	if (qval.length > 0) {
		return qval;
	} else {
		return false;
	}
}

function search(mode = '', rel = 0.7) {
	var q = document.getElementById('q').value.toLowerCase();
	if (mode == '') {
		mode = GM_config.get('Mode');
	}
	if (!window.orders) {
		//window.orders = wishdata;
		window.orders = JSON.parse(document.getElementById('qh').value);
		document.getElementById('qh').value = "";
	}
	if (!window.ulist) {
		//window.ulist = lookup(orders);
		window.ulist = JSON.parse(document.getElementById('qh2').value);
		document.getElementById('qh2').value = "";
	}
	if (mode == 'Exact') {
		var sq = window.ulist[q];
		if (window.ulist.indexOf(sq) != -1) {
			document.getElementById('wishlist-tbody').innerHTML = "";
			document.getElementById('wishlist-tbody').innerHTML = document.getElementById('wishlist-tbody').innerHTML + unescape(window.orders[sq].el);
		} else {
			document.getElementById('wishlist-tbody').innerHTML = "No results found.";
		}
	} else if (mode == 'Contains Text') {
		var sq = searchin(q);
		if (sq) {
			document.getElementById('wishlist-tbody').innerHTML = "";
			for (var i = 0; i < window.ulist.length; i++) {
				if (window.ulist[i].indexOf(q) != -1) {
					document.getElementById('wishlist-tbody').innerHTML = document.getElementById('wishlist-tbody').innerHTML + unescape(window.orders[i].el);
				}
			}
		} else {
			document.getElementById('wishlist-tbody').innerHTML = "No results found.";
		}
	} else if (mode == 'Relative') {
		var sq = searchfunc(q, rel);
		if (sq) {
			document.getElementById('wishlist-tbody').innerHTML = "";
			for (var i = 0; i < sq.length; i++) {
				document.getElementById('wishlist-tbody').innerHTML = document.getElementById('wishlist-tbody').innerHTML + unescape(window.orders[window.ulist.indexOf(sq[i])].el);
			}
		} else {
			document.getElementById('wishlist-tbody').innerHTML = "No results found.";
		}
	}
}

function loadsearch() {
	document.getElementById('qt').innerHTML = 'Loading search data.. please wait...';
	document.getElementById('qh').value = GM_getValue('wishdata');
	document.getElementById('qh2').value = GM_getValue('titledata');
	document.getElementById('qb').removeAttribute("disabled");
	document.getElementById('q').removeAttribute("disabled");
	document.getElementById('qb').addEventListener("click", function () {
		search()
	}, false);
	document.getElementById('qt').innerHTML = 'Search Wishlist: ';
}

function finalProcessing() {
	document.getElementById('qt').innerHTML = 'Saving wishlist data.. please wait.';
	for (var i = 0; i < orders.length; ++i) {
		orders.sort(function (a, b) {
			return a.price - b.price;
		});
	}
	GM_setValue('wishdata', JSON.stringify(orders));
	document.getElementById('qt').innerHTML = 'Saved wishlist data.';
	GM_setValue('titledata', JSON.stringify(lookup(orders)).toLowerCase());
	document.getElementById('qt').innerHTML = 'Saved wishlist title data.';
	loadsearch();
}

function FindAllRows() {
	var allElements = document.getElementsByTagName('li');
	for (var i = 0; i < allElements.length; ++i) {
		if (allElements[i].className.indexOf('list-item') != -1) {
			ListingsRows.push(allElements[i]);
		}
	}

	total = ListingsRows.length;
	if (ListingsRows.length > 0) {
		for (var i = 0; i < ListingsRows.length; ++i) {
			WorkOnRow(ListingsRows[i]);
		}
		sortem();
		var sortchange = document.createElement('span');
		sortchange.innerHTML = "Price (Total)";
		sortchange.className = "narrow-down";
		sortchange.addEventListener("click", function () {
			sortem(1)
		}, false);
		var sortchange2 = document.createElement('span');
		sortchange2.innerHTML = "Price";
		sortchange2.className = "narrow-price-asc";
		sortchange2.addEventListener("click", function () {
			sortem(0)
		}, false);
		var pricenode = document.getElementById('price_lowest_1') || document.getElementById('price_highest_1');
		pricenode.parentNode.removeChild(pricenode);
		document.getElementById('view-filter').appendChild(sortchange2);
		document.getElementById('view-filter').appendChild(sortchange);
	}
}

function sortem(ord = 0){
	for (var i = 0; i < ListingsRows.length; ++i) {
		SortRows(ord);
	}
}

function WorkOnRow(RowElement) {
	var buyItNowPrice = -1;
	var buyItNowPriceB = -1;
	var shippingPrice = -1;
	var buyItNow;
	var buyItNowB;
	var shipping;
	var unitPrice = 0;
	var shiptext;
	var shipsep;
	var allElements = RowElement.getElementsByTagName('div');

	for (var i = 0; i < allElements.length; ++i) {
		if (allElements[i].className.indexOf("infoprice") != -1) {
			if (allElements[i].innerHTML.indexOf('class="original-price') != -1) {
				allElements[i].removeChild(allElements[i].getElementsByClassName('original-price')[0]);
			}
			var spans = allElements[i].getElementsByTagName('span');
			if (spans.length > 0) {
				for (var j = 0; j < spans.length; ++j) {
					if (spans[j].className.indexOf('lot-price') != -1) {
						buyItNowB = spans[j].getElementsByClassName('value')[0];
						if (spans[j].getElementsByClassName('unit').length > 0) {
							unitPrice = spans[j].getElementsByClassName('unit')[0].textContent;
							unitPrice = unitPrice.substring(unitPrice.indexOf('(') + 1);
							unitPrice = unitPrice.substring(0, unitPrice.indexOf(' '));
							unitPrice = parseFloat(unitPrice);
							var tc = buyItNowB.textContent;
							buyItNowPriceB = tc.match(price)[1].replace(',', '');
						}
					} else if (spans[j].className.indexOf('price-m') != -1) {
						buyItNow = spans[j].getElementsByClassName('value')[0];
						var tc = buyItNow.textContent;
						buyItNowPrice = tc.match(price)[1].replace(',', '');
					}
				}
			}
			if (allElements[i].innerHTML.indexOf('strong class="free-s') == -1) {
				var dl = allElements[i].getElementsByTagName('dl');
				for (var k = 0; k < dl.length; ++k) {
					if (dl[k].className.indexOf("pnl-shipping") != -1) {
						var tc = dl[k].getElementsByClassName('value')[0].textContent;
						shiptext = dl[k].getElementsByTagName('dt')[0];
						shipsep = dl[k].getElementsByClassName('separator')[0];
						shipping = dl[k].getElementsByClassName('value')[0];
						if (price.test(tc)) {
							shippingPrice = tc.match(price)[1].replace(',', '');
							if (unitPrice != 0) {
								shippingPrice = shippingPrice * unitPrice;
							}
						}
					}
				}
			} else {
				shipping = allElements[i].getElementsByTagName('strong')[0];
				shippingPrice = 0;
			}

			var buyItNowTotal;
			if (buyItNowPrice != -1 && shippingPrice != -1) {
				buyItNowTotal = (parseFloat(buyItNowPrice) + parseFloat(shippingPrice));
				if (unitPrice != 0 && buyItNowPriceB != -1) {
					buyItNowTotal = (buyItNowTotal + parseFloat(buyItNowPriceB)) - buyItNowPrice;
				}
				buyItNowTotal = buyItNowTotal.toFixed(2);
				if (buyItNowB) {
					buyItNow.innerHTML = buyItNowB.innerHTML.substring(0, buyItNowB.innerHTML.indexOf('$') + 1) + buyItNowTotal;
					buyItNow.parentNode.getElementsByClassName('unit')[0].innerHTML = buyItNowB.parentNode.getElementsByClassName('unit')[0].innerHTML;
					buyItNowB.parentNode.parentNode.removeChild(buyItNowB.parentNode);
				} else {
					buyItNow.innerHTML = buyItNow.innerHTML.substring(0, buyItNow.innerHTML.indexOf('$') + 1) + buyItNowTotal;
				}
				if (shipsep) {
					shipsep.innerHTML = 'shipping / ';
				}
				var indivTotal;
				if (shippingPrice == 0) {
					indivTotal = (parseFloat(parseFloat(buyItNowPriceB) / unitPrice) + parseFloat(shippingPrice)).toFixed(2);
					shipping.innerHTML = '$' + indivTotal + ' each + FREE SHIPPING';
				} else {
					indivTotal = (parseFloat(parseFloat(buyItNowPrice) / unitPrice) + parseFloat(shippingPrice)).toFixed(2);
					shipping.innerHTML = '$' + indivTotal + ' each, including ' + shipping.innerHTML.substring(shipping.innerHTML.indexOf('$'));
				}
				if (shiptext) {
					shiptext.parentNode.removeChild(shiptext);
				}
			}
			ListingRanks.push({
				price : indivTotal,
				units : unitPrice,
				el : RowElement
			});
		}
	}
}

function SortRows(ord = 0) {
	uls.innerHTML = "";
	setTimeout(function(){insertItems(ord)}, 100);
}

function insertItems(ord) {
	if(ord == 0){
		ListingRanks.sort(function (a, b) {
			return a.price - b.price;
		});
		ListingRanks.sort(function (a, b) {
			return a.units - b.units;
		});
	}
	else{	
		ListingRanks.sort(function (a, b) {
			return a.units - b.units;
		});
		ListingRanks.sort(function (a, b) {
			return a.price - b.price;
		});
	}

	for (var nj = 0; nj < ListingRanks.length; nj++) {
		uls.appendChild(ListingRanks[nj].el);
	}
}

var page_request = new XMLHttpRequest();
page_request.onreadystatechange = function () {
	if (page_request.readyState == 4 && page_request.status == 200) {
		var div = window.content.document.createElement('div');
		try {
			var prt = page_request.responseText;
			var rt = prt;
			rt = rt.substring(rt.indexOf('<tbody id="wishlist-tbody">') - 1);
			rt = rt.substring(0, rt.indexOf('</tbody>') + 9);
			rt = rt.replace(/<img[^>]/g, "<null ");
			div.innerHTML = '<html><head></head><body><table><thead><tr><th></th><th></th><th></th></tr></thead>' + rt + '</table></body></html>';
			var pnumel = prt;
			pnumel = pnumel.substring(pnumel.indexOf('<div class="page-number">') + 25);
			pnumel = pnumel.substring(0, pnumel.indexOf('</div>'));
			var cnum = pnumel.substring(pnumel.indexOf('Page') + 5);
			cnum = cnum.substring(0, cnum.indexOf(' '));
			var nnum = pnumel.substring(pnumel.indexOf('of ') + 3);
			if (cnum == nnum) {
				doneLoading = 1;
				finalProcessing();
				return;
			}
			grabOrders(div);
			div = null;
			currentPage++;
			loadAPage();
		} catch (e) {}
	}
};

if (location.href.indexOf('/item') != -1 || location.href.indexOf('/store/product') != -1 || location.href.indexOf('SearchText=') != -1) {
	var titledata = GM_getValue('titledata');
	if (titledata) {
		var wishb = document.createElement('div');
		var q = document.createElement('input');
		var qh = document.createElement('input');
		var qh2 = document.createElement('input');
		var qf = document.createElement('form');
		var title = document.createElement('h2');
		title.class = 'ui-box-title';
		title.innerHTML = 'Similar Wishlist Items';
		wishb.id = 'wishlist-tbody';
		wishb.setAttribute('style', 'align:top;position:absolute;width:18%');
		q.id = 'q';
		qh.id = 'qh';
		qh2.id = 'qh2';
		q.type = 'hidden';
		qh.type = 'hidden';
		qh2.type = 'hidden';
		qh.value = GM_getValue('wishdata');
		qh2.value = titledata;
		document.getElementById('header').appendChild(title);
		document.getElementById('header').appendChild(wishb);
		qf.appendChild(q);
		qf.appendChild(qh);
		qf.appendChild(qh2);
		document.getElementById('header').appendChild(qf);
		if (location.href.indexOf('SearchText=') != -1) {
			q.value = document.getElementById('search-key').value;
			search('Contains Text');
		} else {
			q.value = document.getElementsByClassName('product-name')[0].innerHTML;
			search('Relative', 0.4);
		}
	}
} else if (location.href.indexOf('/wishlist') != -1) {
	var cp = document.getElementsByClassName('page-number')[0].innerHTML;
	cp = cp.substring(cp.indexOf('Page') + 5);
	cp = cp.substring(0, cp.indexOf(' '));
	if (cp == 1) {
		currentPage = 2;
		grabOrders(document);
		//}
		var srchel = document.createElement('li');
		var qt = document.createElement('label');
		var qf = document.createElement('form');
		var qh = document.createElement('input');
		var qh2 = document.createElement('input');
		var q = document.createElement('input');
		var qb = document.createElement('input');
		qb.id = 'qb';
		qb.type = 'button';
		qb.value = 'Search';
		qb.disabled = true;
		qt.id = 'qt';
		qt.innerHTML = 'Loading search.. please wait.';
		q.disabled = true;
		qh.type = 'hidden';
		qh.id = 'qh';
		qh2.type = 'hidden';
		qh2.id = 'qh2';
		q.id = 'q';
		q.size = 20;
		qf.appendChild(qt);
		qf.appendChild(document.createElement('br'));
		qf.appendChild(qh);
		qf.appendChild(qh2);
		qf.appendChild(q);
		qf.appendChild(qb);
		srchel.appendChild(qf);
		document.getElementsByClassName('tabs')[0].appendChild(srchel);
		var titledata = GM_getValue('titledata');
		if (titledata) {
			var firsttitle = document.getElementsByTagName('tbody')[0].getElementsByTagName('tr')[0].getElementsByClassName('main-info-hd')[0].getElementsByTagName('a')[0].innerHTML;
			if (firsttitle && titledata.indexOf(firsttitle) != -1) {
				loadsearch();
			} else {
				loadAPage();
			}
		} else {
			loadAPage();
		}
	}
}

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