// ==UserScript==
// @name Amazon Pittsburgh Libraries Linky
// @namespace http://www.epiphyte.net
// @description Search the Pittsburgh area (Allegheny County) Library Catalogs from Amazon book listings.
// @include http://*.amazon.*
// @creator Christina Schulman | userscripts<at>epiphyte<dot>net | http://www.epiphyte.net
// @source http://userscripts.org/scripts/show/5527
// @identifier http://userscripts.org/scripts/source/5527.user.js
// @version 1.4
// @date 2008-05-04
// ==/UserScript==
// Version History:
// v1.1 - 5/4/2007 - Fixes Amazon Prime lookup problem
// v1.2 - 5/23/2007 - Fixed a bug that caused a bad link when the book was on hold.
// v1.3 - 4/06/2008 - Updated script to deal with new title node style.
// v1.4 - 5/04/2008 - Updated script to deal with even newer title node style.
// Adapted by Christina Schulman (http://www.epiphyte.net) from
// Ed Vielmetti's Ann Arbor library script (http://www.superpatron.com)
// Originally based on LibraryLookup by Jon Udell.
// Amazon Prime fix by Pat Markland (pmarkland@yahoo.com)
// Title node fixes based on the UW Madison linky script by "Rebs"
// and Hennepin County linky script by Glenn Peterson.
(
function()
{
var libraryUrlPattern = 'http://catalog.einetwork.net/search/i?SEARCH=';
var libraryUrlPatternTrailer = '&submit=Search&searchscope=1&x=0&y=0';
var libraryName = 'Pittsburgh area libraries';
var libraryAvailability = /AVAILABLE/;
var libraryOnOrder = /ordered for/;
var libraryInProcess = /being processed for Library System/;
var libraryHolds = /(\d+) holds* on first copy returned of (\d+) cop/;
var libraryCheckedOut = /Checked Out/;
var libraryBookIsOwned = /bibItemsHeader/;
var libraryInTransit = /IN TRANSIT/;
var libraryDue = /DUE (\d\d\-\d\d\-\d\d)/;
var notFound = /No matches found; nearby ISBN/
var titleNodeClass = 'sans';
var titleNodeId = 'btAsinTitle';
// Find the node containing the book title
function getTitleNode()
{
var nodes = document.evaluate("//span[@id='" + titleNodeId + "']", document, null, XPathResult.UNORDERED_NODE_ITERATOR_TYPE, null);
if(!nodes){
return null;
}
var thisNode = nodes.iterateNext();
var titleNode;
// Get the last node
while(thisNode){
//GM_log( thisNode.textContent );
titleNode = thisNode;
thisNode = nodes.iterateNext();
}
//was (titleValue == null)
if (titleNode == null) {
GM_log("can't find title node");
return null;
}
else {
GM_log("Found title node: " + titleNode.textContent);
}
return titleNode;
}
var libraryLookup =
{
insertLink: function(isbnUrl, hrefTitle, aLabel, color )
{
var bookdiv = titleNode.parentNode;
var title = titleNode.firstChild.nodeValue;
var newTitle = document.createElement('b');
newTitle.setAttribute('class',titleNodeClass);
var titleText = document.createTextNode(title);
newTitle.appendChild(titleText);
var br = document.createElement('br');
var link = document.createElement('a');
link.setAttribute ( 'title', hrefTitle );
link.setAttribute('href', isbnUrl);
link.setAttribute('style','font-size:12px;font-weight:normal;color: ' + color);
var label = document.createTextNode( aLabel );
link.appendChild(label);
// cms: If bookdiv is null, re-evaluate the titleNode node
// to pick up its parent node again. Another linky
// script running on the same page may have caused
// the node to change.
if (bookdiv == null) {
titleNode = getTitleNode();
if (titleNode != null) {
bookdiv = titleNode.parentNode;
}
}
if (bookdiv != null) {
/*
bookdiv.insertBefore(newTitle, titleNode);
bookdiv.insertBefore(br, titleNode);
bookdiv.insertBefore(link, titleNode);
bookdiv.removeChild(titleNode);
*/
bookdiv.insertBefore(link, titleNode.nextSibling);
bookdiv.insertBefore(br, titleNode.nextSibling);
}
},
doLookup: function ( isbn )
{
GM_xmlhttpRequest
({
method:'GET',
url: libraryUrlPattern + isbn + libraryUrlPatternTrailer,
onload:function(results)
{
page = results.responseText;
var isbnUrl = libraryUrlPattern + isbn;
if ( notFound.test(page) )
{
var due = page.match(notFound)[1]
libraryLookup.insertLink (
isbnUrl,
"Not carried",
"Not (yet) in " + libraryName,
"red"
);
}
else if ( libraryHolds.test(page) )
{
var holds = page.match(libraryHolds)[1];
var copies = page.match(libraryHolds)[2];
var holdtext = " " + (holds == 1 ? "hold" : "holds");
var copiestext = " " + (copies == 1 ? "copy" : "copies");
var bAlreadyOwned = libraryBookIsOwned.test(page);
var ownstatus = (bAlreadyOwned ? "Checked out" : "On order");
libraryLookup.insertLink (
isbnUrl,
ownstatus + ", " + holds + holdtext,
ownstatus + " with " + holds + holdtext +
(bAlreadyOwned ? " on " + copies + copiestext : "") +
" at " + libraryName,
"#AA7700" // dark yellow
);
}
else if ( libraryAvailability.test(page) )
{
libraryLookup.insertLink (
isbnUrl,
"On the shelf now!",
"Available now at " + libraryName + "!",
"green"
);
}
else if ( libraryCheckedOut.test(page) || libraryInTransit.test(page))
{
libraryLookup.insertLink (
isbnUrl,
"Currently checked out",
"Checked out with no outstanding holds at " + libraryName,
"#AA7700" // dark yellow
);
}
else if ( libraryOnOrder.test(page) )
{
libraryLookup.insertLink (
isbnUrl,
"On order",
"On order at " + libraryName,
"#AA7700" // dark yellow
);
}
else if ( libraryInProcess.test(page) )
{
libraryLookup.insertLink (
isbnUrl,
"In process",
"In process (available soon) at " + libraryName,
"#AA7700" // dark yellow
);
}
else if ( libraryDue.test(page) )
{
var due = page.match(libraryDue)[1]
libraryLookup.insertLink (
isbnUrl,
"Due back",
"Due back at " + libraryName + " on " + due,
"#AA7700"
);
}
else
{
libraryLookup.insertLink (
isbnUrl,
"Error",
"I got confused checking " + libraryName,
"orange"
);
}
}
});
}
}
try {
var isbn = window.content.location.href.match(/\/(\d{7,9}[\d|X])\//)[1];
GM_log('isbn == ' + isbn);
}
catch (e) {
GM_log('amazonpghlib_user.js: Caught exception: ' + e.toString());
return;
}
var titleNode = getTitleNode();
if(titleNode == null){
return;
}
libraryLookup.doLookup(isbn);
}
)();
