From 3f5febb1f76745a69c397125f9e6c006926e4d72 Mon Sep 17 00:00:00 2001
From: Daniel Messer <cyberpunklibrarian@protonmail.com>
Date: Mon, 18 Mar 2024 20:58:36 -0500
Subject: [PATCH] Zotero and RDF metadata on item pages.

---
 TODO.md        | 10 ++++++----
 itemrecord.php | 22 +++++++++++++++++++++-
 2 files changed, 27 insertions(+), 5 deletions(-)

diff --git a/TODO.md b/TODO.md
index a921260..3e35b94 100644
--- a/TODO.md
+++ b/TODO.md
@@ -5,12 +5,14 @@
 In no particular order, here is a semi-current list of things to be done in Infopump.
 ---
 
-[ ] Add an About page
-
-[ ] Add a citation generator (Chicago, APA, MLA)
-
 [ ] Add share button/link on item page
 
+[x] Add metadata to item records for Zotero and RDF connections
+
+[x] Add a citation generator (Chicago, APA, MLA)
+
+[x] Add an About page
+
 [x] Item pages - Add clickable links on Subjects
 
 [x] Item pages - Add clickable links on Series
diff --git a/itemrecord.php b/itemrecord.php
index cdfa765..927a975 100644
--- a/itemrecord.php
+++ b/itemrecord.php
@@ -191,6 +191,24 @@ while ($row = $subtype->fetchArray()) {
 
 	    <meta name="twitter:card" content="summary" />
 
+        <!-- Zotero and RDF Related Metadata -->
+
+        <meta name="citation_title" content=<?php echo '"'.$row_title.'" />'; ?>
+
+        <meta name="citation_authors" content=<?php echo '"'.$row_author_sort.'" />'; ?>
+
+        <meta name="citation_publisher" content=<?php echo '"'.$row_publisher.'" />'; ?>
+
+        <?php
+            while ($row = $identifiers->fetchArray()) {
+                $row_id_type = $row['type'];
+                $row_id_val = $row['val'];  
+                if ($row_id_type == 'isbn') {
+                    echo '<meta name="citation_isbn" content="'.$row_id_val.'" />';
+                }
+            }
+        ?>
+
         <?php echo '<title>Item Record: '.$row_title.'</title>'; ?>
         <!-- Favicon-->
         <link rel="icon" type="image/x-icon" href="item/assets/favicon.ico" />
@@ -379,7 +397,9 @@ while ($row = $subtype->fetchArray()) {
                         </script>
 
                     </div> <!-- END CITATIONS -->
-                    <div class="col-md-6"> <!-- BEGIN METADATA -->
+
+                    <!-- BEGIN METADATA -->                
+                    <div class="col-md-6"> 
                         <h3 class="fw-bolder"><u>Metadata</u></h3>
                         <p class="metadata"><br />
                         <?php