Work in progress on retrieving table of contents from Open Library

[bookreader.git] / BookReaderIA / datanode / BookReaderJSIA.php

diff --git a/BookReaderIA/datanode/BookReaderJSIA.php b/BookReaderIA/datanode/BookReaderJSIA.php
old mode 100755 (executable)
new mode 100644 (file)
index 6752539..8b48238
--- a/BookReaderIA/datanode/BookReaderJSIA.php
+++ b/BookReaderIA/datanode/BookReaderJSIA.php
@@ -23,10 +23,17 @@ $itemPath = $_REQUEST['itemPath'];
 $subPrefix = $_REQUEST['subPrefix'];
 $server = $_REQUEST['server'];
 
+// $$$mang this code has been refactored into BookReaderMeta.inc.php for use e.g. by
+//         BookReaderPreview.php and BookReaderImages.php.  The code below should be
+//         taken out and replaced by calls into BookReaderMeta
+
 // Check if we're on a dev vhost and point to JSIA in the user's public_html on the datanode
+
 // $$$ TODO consolidate this logic
 if (strpos($_SERVER["REQUEST_URI"], "/~mang") === 0) { // Serving out of home dir
     $server .= ':80/~mang';
+} else if (strpos($_SERVER["REQUEST_URI"], "/~rkumar") === 0) { // Serving out of home dir
+    $server .= ':80/~rkumar';
 } else if (strpos($_SERVER["REQUEST_URI"], "/~testflip") === 0) { // Serving out of home dir
     $server .= ':80/~testflip';
 }
@@ -48,7 +55,7 @@ if ("" == $server) {
     BRFatal("No server specified!");
 }
 
-if (!preg_match("|^/[0-3]/items/{$id}$|", $itemPath)) {
+if (!preg_match("|^/\d+/items/{$id}$|", $itemPath)) {
     BRFatal("Bad id!");
 }
 
@@ -224,6 +231,16 @@ br.getPageNum = function(index) {
     }
 }
 
+// Single images in the Internet Archive scandata.xml metadata are (somewhat incorrectly)
+// given a "leaf" number.  Some of these images from the scanning process should not
+// be displayed in the BookReader (for example colour calibration cards).  Since some
+// of the scanned images will not be displayed in the BookReader (those marked with
+// addToAccessFormats false in the scandata.xml) leaf numbers and BookReader page
+// indexes are generally not the same.  This function returns the BookReader page
+// index given a scanned leaf number.
+//
+// This function is used, for example, to map between search results (that use the
+// leaf numbers) and the displayed pages in the BookReader.
 br.leafNumToIndex = function(leafNum) {
     for (var index = 0; index < this.leafMap.length; index++) {
         if (this.leafMap[index] == leafNum) {
@@ -311,7 +328,36 @@ br.getEmbedCode = function() {
     return "<iframe src='" + this.getEmbedURL() + "' width='480px' height='430px'></iframe>";
 }
 
-br.pageW =             [
+// getOpenLibraryJSON
+br.getOpenLibraryJSON = function(callback) {
+    // Try looking up by ocaid first, then by source_record
+    
+    var jsonURL = 'http://openlibrary.org/query.json?type=/type/edition&*=&ocaid=' + br.bookId;
+    $.ajax({
+        url: jsonURL,
+        success: function(data) {
+            if (data && data.length > 0) {
+                callback(data[0]);
+            } else {
+                // try sourceid
+                console.log('XXXmang couldnt find via ocaid');
+                jsonURL = 'http://openlibrary.org/query.json?type=/type/edition&*=&source_records=ia:' + br.bookId;
+                $.ajax({
+                    url: jsonURL,
+                    success: function(data) {
+                        if (data && data.length > 0) {
+                            callback(data[0]);
+                        }
+                    },
+                    dataType: 'jsonp'
+                });
+            }
+        },
+        dataType: 'jsonp'
+    });
+}
+
+br.pageW =  [
             <?
             $i=0;
             foreach ($scanData->pageData->page as $page) {
@@ -324,7 +370,7 @@ br.pageW =          [
             ?>
             ];
 
-br.pageH =             [
+br.pageH =  [
             <?
             $totalHeight = 0;
             $i=0;            
@@ -464,11 +510,16 @@ function findImageStack($subPrefix, $filesData) {
     $imageStackRegex = "/Single Page (Processed) (${imageGroup}) (${archiveGroup})/";
         
     foreach ($filesData->file as $file) {        
-        if (strpos($file['name'], $subPrefix) === 0) { // subprefix matches beginning    
+        if (strpos($file['name'], $subPrefix) === 0) { // subprefix matches beginning
             if (preg_match($imageStackRegex, $file->format, $matches)) {
-                return array('imageFormat' => $imageFormats[$matches[2]],
-                             'archiveFormat' => $archiveFormats[$matches[3]],
-                             'imageStackFile' => $file['name']);
+            
+                // Make sure we have a regular image stack
+                $imageFormat = $imageFormats[$matches[2]];
+                if (strpos($file['name'], $subPrefix . '_' . $imageFormat) === 0) {            
+                    return array('imageFormat' => $imageFormat,
+                                 'archiveFormat' => $archiveFormats[$matches[3]],
+                                 'imageStackFile' => $file['name']);
+                }
             }
         }
     }