Allow downloading the pagelink file directly

js/page-link.js

@@ -127,6 +127,45 @@
     });
   }
 
+  function attachDocInfoLink() {
+    var container = document.querySelector('.docInfo');
+    if (!container || !container.getAttribute) return;
+    if (container.getAttribute('data-luxtools-pagelink-docinfo') === '1') return;
+    container.setAttribute('data-luxtools-pagelink-docinfo', '1');
+
+    var pageId = getPageId();
+    if (!pageId) return;
+
+    var endpoint = getBaseUrl() + 'lib/plugins/luxtools/pagelink.php';
+    var query = endpoint + '?cmd=info&id=' + encodeURIComponent(pageId);
+
+    window.fetch(query, {
+      method: 'GET',
+      credentials: 'same-origin'
+    }).then(function (res) {
+      return res.json().catch(function () { return null; }).then(function (body) {
+        if (!res.ok || !body || body.ok !== true) {
+          throw new Error('request failed');
+        }
+        return body;
+      });
+    }).then(function (info) {
+      if (!info || !info.uuid) return;
+
+      var link = document.createElement('a');
+      link.href = endpoint + '?cmd=download&id=' + encodeURIComponent(pageId);
+      link.textContent = 'Page ID: ' + String(info.uuid);
+
+      var first = container.firstChild;
+      container.insertBefore(link, first);
+      if (first) {
+        container.insertBefore(document.createTextNode(' · '), first);
+      }
+    }).catch(function () {
+      // ignore failures
+    });
+  }
+
   window.addBtnActionLuxtoolsPageLink = function ($btn, props, edid) {
     $btn.on('click', function () {
       var pageId = getPageId();
@@ -165,5 +204,8 @@
     return 'luxtools-pagelink';
   };
 
-  document.addEventListener('DOMContentLoaded', attachCopyTargets, false);
+  document.addEventListener('DOMContentLoaded', function () {
+    attachCopyTargets();
+    attachDocInfoLink();
+  }, false);
 })();