Initial Commit

translators/Library Catalog (Polaris).js

@@ -0,0 +1,183 @@
+{
+	"translatorID": "12541207-ed80-4b59-9d46-fafa3aa61f7f",
+	"label": "Library Catalog (Polaris)",
+	"creator": "Aurimas Vinckevicius",
+	"target": "/polaris/search/(searchresults|title)\\.aspx\\?",
+	"minVersion": "3.0",
+	"maxVersion": "",
+	"priority": 250,
+	"inRepository": true,
+	"translatorType": 4,
+	"browserSupport": "gcsibv",
+	"lastUpdated": "2015-02-19 04:55:29"
+}
+
+/*
+	***** BEGIN LICENSE BLOCK *****
+
+	Polaris Library Catalog Translator
+	Copyright © 2015 Aurimas Vinckevicius
+
+	This file is part of Zotero.
+
+	Zotero is free software: you can redistribute it and/or modify
+	it under the terms of the GNU Affero General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	Zotero is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+	GNU Affero General Public License for more details.
+
+	You should have received a copy of the GNU Affero General Public License
+	along with Zotero. If not, see <http://www.gnu.org/licenses/>.
+
+	***** END LICENSE BLOCK *****
+*/
+
+/** Sample catalogs
+ * http://pac.kings.edu/polaris/
+ * http://librarycatalog.eugene-or.gov/Polaris/
+ * http://www.clan.lib.nv.us/polaris/
+ */
+
+function detectWeb(doc, url) {
+	if (url.indexOf('title.aspx') != -1 && getPos(url) !== null) {
+		return getItemType(doc);
+	}
+	
+	if (url.indexOf('searchresults.aspx') != -1 && getSearchResults(doc, true)) {
+		return 'multiple'
+	}
+}
+
+/**
+ * Extract pos value from URL
+ */
+function getPos(url) {
+	var m = url.match(/[?&]pos=(\d+)/);
+	if (!m) return null;
+	return m[1];
+}
+
+function getItemType(doc) {
+	var type = ZU.xpath(doc, '//td[@class="nsm-full-label" and starts-with(text(),"Format")]/following-sibling::td');
+	
+	if (!type.length) return false;
+	
+	if (type.length != 1) {
+		Zotero.debug("Item type detection matched multiple nodes!!");
+	}
+	
+	type = type[0].textContent.toLowerCase();
+	
+	
+	if (/\b(?:book|printed music)\b/.test(type)) {
+		return 'book';
+	}
+	
+	if (/\b(?:sound recording|music)\b/.test(type)) {
+		return 'audioRecording';
+	}
+	
+	if (/\b(?:dvd|videorecording)\b/.test(type)) {
+		return 'film';
+	}
+	
+	if (/\b(?:map)\b/.test(type)) {
+		return 'map';
+	}
+	
+	return 'document';
+}
+
+function getSearchResults(doc, checkOnly) {
+	var titles = doc.getElementsByClassName('nsm-brief-primary-title-group');
+	
+	var items = {},
+		found = false;
+	for (var i=0; i<titles.length; i++) {
+		var link = titles[i].getElementsByTagName('a')[0];
+		if (!link) continue;
+		
+		var title = ZU.trimInternal(link.textContent);
+		var pos = getPos(link.href);
+		
+		if (!title || pos == null) continue;
+		if (checkOnly) return true;
+		found = true;
+		
+		items[pos] = title;
+	}
+	
+	return checkOnly ? false : items;
+}
+
+function doWeb(doc, url) {
+	if (detectWeb(doc, url) == 'multiple') {
+		Z.selectItems(getSearchResults(doc), function(items) {
+			if (!items) return true;
+			
+			var pos = [];
+			for (var i in items) {
+				pos.push(i);
+			}
+			
+			scrape(pos);
+		})
+	} else {
+		scrape([getPos(url)])
+	}
+}
+
+function scrape(pos) {
+	pos = pos.map(function(p) {
+		return '/polaris/search/components/ajaxMARC.aspx?fp=0&pos=' + p;
+	});
+	
+	var translator = Zotero.loadTranslator("import");
+	// MARC
+	translator.setTranslator("a6ee60df-1ddc-4aae-bb25-45e0537be973");
+	translator.getTranslatorObject(function(marc) {
+		ZU.processDocuments(pos, function(doc) {
+			var record = new marc.record();
+			var lines = doc.getElementsByTagName('tr');
+			for (var i=0; i<lines.length; i++) {
+				var tag = lines[i].children[0];
+				var ind = lines[i].children[1];
+				var data = lines[i].children[2];
+				if (!data) continue; // must have all three or else... something went wrong
+				
+				tag = tag.textContent.trim();
+				ind = ind.textContent;
+				
+				switch (tag) {
+					case 'LDR':
+						record.leader = data.textContent;
+						continue;
+					case 'FMT': // Not sure if this is relevant to Polaris
+					case '':
+						continue;
+					default:
+						var textData = '';
+						for (var j=0; j<data.childNodes.length; j++) {
+							var child = data.childNodes[j];
+							if (child.classList && child.classList.contains('marc_sub')) {
+								textData += marc.subfieldDelimiter
+									+ child.textContent.trim().substr(1); // Drop $
+							} else {
+								textData += child.textContent;
+							}
+						}
+						
+						record.addField(tag, ind, textData);
+				}
+			}
+			
+			var newItem = new Zotero.Item();
+			record.translate(newItem);
+			newItem.complete();
+		})
+	});
+}