';
$('.aside').prepend(htmlStr);
setLibMemberStyle();
}
function queryLibByIsbn(vIsbn){
var fLoadCache = loadLibInfoFromCache(vIsbn);
if (fLoadCache) return;
var libQryUrl = getLibIsbnApiUrl(vIsbn);
if (fDebug) console.log("libIsbnApiUrl : " + libQryUrl);
GM_xmlhttpRequest({
method: 'GET',
url: libQryUrl,
headers: {
'User-agent': 'Mozilla/5.0 (compatible) Greasemonkey',
},
//onload: loadLibInfo
onload: function(res) {
var respTxt = res.responseText;
if (fDebug) console.log("respTxt : " + respTxt);
var found = false;
if (!isEmptyStr(respTxt)) {
try {
var books = JSON.parse(respTxt);
var count = books.data.numFound;
if (count > 0) {
var bookRecNos = new Array(books.data.docs.length);
for (var i = 0; i < count; i++) {
bookRecNos[i] = books.data.docs[i].recordid;
}
if (fDebug) console.log("bookRecNos : " + bookRecNos);
found = true;
appendLibBookInfo(bookRecNos);
}
} catch(ex) {
console.log('In queryLibByIsbn, exception: ' + ex.message);
}
}
if (!found) {
if (vIsbn.length == 13) {
if (fDebug) console.log('try another value again');
if (isbn10) {
queryLibByIsbn(isbn10);
} else {
$('#libLoading').remove();
}
} else {
$('#libLoading').remove();
}
}
}
});
}
function loadLibInfoFromCache(vIsbn) {
var fLoadCache = false;
var cacheInfo = GM_getValue(vIsbn);
if (!cacheInfo && isbn10) {
if (fDebug) console.log("check cache for isbn10 also ");
cacheInfo = GM_getValue(isbn10);
}
if (cacheInfo) {
var bookInfo = JSON.parse(cacheInfo);
// '{"bookRecNo":' + bookRecNo + ', "hasMore":'+ fMore + ', "reservable":' + fHasReservable + ', "expressable":' + fHasExpress + '}';
var bookRecNo = bookInfo.bookRecNo;
var fMore = bookInfo.hasMore;
var fReservable = bookInfo.reservable;
var fHasExpress = bookInfo.expressable;
if (fDebug) console.log(vIsbn + " cached, bookRecNo:" + bookRecNo + ", hasMore:" + fMore + ", reservable:" + fReservable + ", expressable:" + fHasExpress);
appendLibBookHtml(bookRecNo, fMore, fReservable, fHasExpress);
fLoadCache = true;
}
return fLoadCache;
}
function getIsbn10() {
var isbn10 = null;
var borrowDiv = document.getElementById("borrowinfo");
// div -> ul -> li -> a
if (borrowDiv ) {
if (borrowDiv.children[1] && borrowDiv.children[1].children[0]
&& borrowDiv.children[1].children[0].children[0]) {
var libLink = borrowDiv.children[1].children[0].children[0].href;
if (fDebug) console.log('libLink: ' + libLink);
var m = libLink.match(/&subject=.*&type=/igm);
if (m) {
isbn10 = m[0];
isbn10 = isbn10.substring("&subject=".length, isbn10.length - "&type=".length);
if (fDebug) console.log('isbn10: ' + isbn10);
return isbn10;
}
}
}
}
/**
* append the library link to douban book page
* a) if the lib isbn query return books, the link is the first book page;
* b) if the query results has more than one book, add query result link
* c) if the first ten books has preservable book, set it as the book link
* d) otherwise append title query link of Shenzhen Library
*/
function appendLibraryLink() {
title = null;
isbn = null;
getDoubanBookTitle();
if (fDebug) console.log("book title: \'" + title + "\'");
getDoubanBookIsbn();
if (fDebug) console.log("book isbn: \'" + isbn + "\'");
// it might not be book page, or douban changed the page structure
if (isEmptyStr(title) && isEmptyStr(isbn) )
return ;
appendTitleLink_Loading();
if (!isEmptyStr(isbn)) {
// query library, append link to library
setTimeout(function(){
queryLibByIsbn(isbn);
}, 200); // end of setTimeout
}
} // end of appendLibraryLink()
function appendLibraryInSearchPage() {
var keyword = $(":text").val();
keyword = keyword.replace(/-/g, '');
if (fDebug) console.log('keyword: [' + keyword + ']');
if (isEmptyStr(keyword))
return ;
var htmlStr =
'