Unlinking

js/page-link.js

@@ -41,22 +41,26 @@
     return '/';
   }
 
-  function ensurePageLink() {
+  function requestPageLink(cmd, params) {
     var pageId = getPageId();
     if (!pageId) return false;
 
     var endpoint = getBaseUrl() + 'lib/plugins/luxtools/pagelink.php';
 
-    var params = new window.URLSearchParams();
-    params.set('cmd', 'ensure');
-    params.set('id', pageId);
-    params.set('sectok', getSectok());
+    var payload = new window.URLSearchParams();
+    payload.set('cmd', cmd);
+    payload.set('id', pageId);
+    if (params && typeof params === 'object') {
+      Object.keys(params).forEach(function (key) {
+        payload.set(key, String(params[key]));
+      });
+    }
 
     window.fetch(endpoint, {
       method: 'POST',
       credentials: 'same-origin',
       headers: { 'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8' },
-      body: params.toString()
+      body: payload.toString()
     }).then(function (res) {
       return res.json().catch(function () { return null; }).then(function (body) {
         if (!res.ok || !body || body.ok !== true) {
@@ -66,13 +70,25 @@
       });
     }).catch(function (err) {
       if (window.console && window.console.warn) {
-        window.console.warn('PageLink creation failed:', err);
+        window.console.warn('PageLink request failed:', err);
       }
     });
 
     return false;
   }
 
+  function fetchInfo() {
+    return requestPageLink('info', {});
+  }
+
+  function ensurePageLink() {
+    return requestPageLink('ensure', { sectok: getSectok() });
+  }
+
+  function unlinkPageLink() {
+    return requestPageLink('unlink', { sectok: getSectok() });
+  }
+
   function copyToClipboard(text) {
     if (!text) return;
     if (window.navigator && window.navigator.clipboard && window.navigator.clipboard.writeText) {
@@ -126,7 +142,37 @@
 
   window.addBtnActionLuxtoolsPageLink = function ($btn, props, edid) {
     $btn.on('click', function () {
-      ensurePageLink();
+      var pageId = getPageId();
+      if (!pageId) return false;
+
+      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) {
+          if (window.confirm('Unlink page?')) {
+            unlinkPageLink();
+          }
+          return;
+        }
+
+        ensurePageLink();
+      }).catch(function (err) {
+        if (window.console && window.console.warn) {
+          window.console.warn('PageLink info failed:', err);
+        }
+        ensurePageLink();
+      });
       return false;
     });
     return 'luxtools-pagelink';