1 files changed, 80 insertions, 0 deletions
diff --git a/share/web_surfaces/index/main.js b/share/web_surfaces/index/main.js
new file mode 100644
index 0000000000..9a8e9301a5
--- /dev/null
+++ b/share/web_surfaces/index/main.js
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2020 Luciano Iam <lucianito@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+(() => {
+
+    const INDEX_RESOURCE = 'index.json';
+
+    async function fetchIndex (url) {
+        const response = await fetch(url);
+        
+        if (response.status == 200) {
+            return await response.json();
+        } else {
+            throw new Error(`HTTP response status ${response.status}`);
+        }
+    }
+
+    function buildItem (group, model) {
+        const li = document.createElement('li');
+        li.innerHTML = `<li>
+                        <a href="${group}/${model.id}/">${model.name}</a>
+                        <p>${model.description}</p>
+                    </li>`;
+        return li;
+    }
+
+    function printIndex (index) {
+        ['builtin', 'user'].forEach((group) => {
+            const ul = document.getElementById(group);
+            let models = index[group];
+
+            if (models.length > 0) {
+                models.sort((a, b) => a.name.localeCompare(b.name));
+                for (model of models) {
+                    ul.appendChild(buildItem(group, model));
+                }
+            } else {
+                ul.parentNode.style.display = 'none';
+            }
+        });
+
+        document.getElementById('index').style.display = 'inline';
+    }
+
+    function printError (message) {
+        const error = document.getElementById('error');
+        error.innerHTML = message;
+        error.style.display = 'inline';
+    }
+
+    async function main () {
+        try {
+            const indexUrl = `${location.protocol}//${location.host}/${INDEX_RESOURCE}`;
+            const index = await fetchIndex (indexUrl);
+            printIndex(index);
+        } catch (err) {
+            printError(`Error loading ${INDEX_RESOURCE}: ${err.message}`);
+        }
+
+        document.getElementById('loading').style.display = 'none';
+    }
+
+    main();
+
+})();