Change to link-based group management

whatsapp-gateway/public/app.js

@@ -114,7 +114,6 @@ async function fetchGroups() {
                 <td>${g.participants}</td>
                 <td>
                     ${!isDefault ? `<button class="primary-btn" onclick="setDefaultDestination('${g.id}')" style="margin-right: 8px;">Set Default</button>` : ''}
-                    <button class="secondary-btn" onclick="getInviteLink('${g.id}')">Get Invite Link</button>
                 </td>
             `;
             groupsTableBody.appendChild(tr);
@@ -143,7 +142,32 @@ async function setDefaultDestination(groupId) {
     }
 }
 
-document.getElementById('btn-refresh-groups').addEventListener('click', fetchGroups);
+document.getElementById('add-group-link-form').addEventListener('submit', async (e) => {
+    e.preventDefault();
+    const btn = e.target.querySelector('button');
+    const input = document.getElementById('new-invite-link');
+    btn.disabled = true;
+    btn.textContent = 'Adding...';
+    
+    try {
+        const res = await fetch('api/groups/add-by-link', {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify({ link: input.value })
+        });
+        const data = await res.json();
+        if (data.success) {
+            input.value = '';
+            fetchGroups();
+        } else {
+            alert('Error adding group: ' + data.error);
+        }
+    } catch (err) {
+        alert('Failed to add group');
+    }
+    btn.disabled = false;
+    btn.textContent = 'Add Group';
+});
 
 // Connected Apps functionality
 async function fetchApps() {
@@ -181,59 +205,6 @@ async function fetchApps() {
 
 document.getElementById('btn-refresh-apps').addEventListener('click', fetchApps);
 
-// Create Group
-document.getElementById('create-group-form').addEventListener('submit', async (e) => {
-    e.preventDefault();
-    const btn = e.target.querySelector('button');
-    btn.textContent = 'Creating...';
-    btn.disabled = true;
-
-    const title = document.getElementById('new-group-name').value;
-    const participant = document.getElementById('new-group-participant').value;
-
-    try {
-        const res = await fetch('api/groups/create', {
-            method: 'POST',
-            headers: { 'Content-Type': 'application/json' },
-            body: JSON.stringify({ title, initialParticipants: [participant] })
-        });
-        const data = await res.json();
-        
-        if (data.success) {
-            alert('Group created successfully! ID: ' + data.groupId);
-            fetchGroups();
-            e.target.reset();
-        } else {
-            alert('Error: ' + data.error);
-        }
-    } catch (err) {
-        alert('Failed to create group.');
-    } finally {
-        btn.textContent = 'Create Group';
-        btn.disabled = false;
-    }
-});
-
-// Invite Link Modal
-window.getInviteLink = async (groupId) => {
-    try {
-        const res = await fetch('api/groups/invite', {
-            method: 'POST',
-            headers: { 'Content-Type': 'application/json' },
-            body: JSON.stringify({ groupId })
-        });
-        const data = await res.json();
-        if (data.success) {
-            inviteLinkInput.value = data.inviteLink;
-            inviteModal.classList.add('active');
-        } else {
-            alert('Failed to get invite link: ' + data.error);
-        }
-    } catch (err) {
-        alert('Request failed.');
-    }
-};
-
 document.querySelector('.close-modal').addEventListener('click', () => {
     inviteModal.classList.remove('active');
 });

whatsapp-gateway/public/index.html

@@ -53,9 +53,19 @@
             <section id="groups" class="tab-pane">
                 <header>
                     <h2>Group Management</h2>
-                    <button id="btn-refresh-groups" class="primary-btn">Refresh Groups</button>
                 </header>
                 
+                <div class="card mb-4" style="margin-bottom: 20px;">
+                    <h3>Add Group by Invite Link</h3>
+                    <form id="add-group-link-form" class="form-grid" style="display:flex; gap:10px; align-items:flex-end;">
+                        <div class="form-group" style="flex:1;">
+                            <label>WhatsApp Invite Link</label>
+                            <input type="text" id="new-invite-link" placeholder="https://chat.whatsapp.com/..." required>
+                        </div>
+                        <button type="submit" class="primary-btn">Add Group</button>
+                    </form>
+                </div>
+
                 <div class="card">
                     <table class="data-table">
                         <thead>
@@ -72,21 +82,6 @@
                         </tbody>
                     </table>
                 </div>
-                
-                <div class="card mt-4">
-                    <h3>Create New Group</h3>
-                    <form id="create-group-form" class="form-grid">
-                        <div class="form-group">
-                            <label>Group Name</label>
-                            <input type="text" id="new-group-name" placeholder="e.g. Alerts Channel" required>
-                        </div>
-                        <div class="form-group">
-                            <label>Initial Participant (JID or Phone)</label>
-                            <input type="text" id="new-group-participant" placeholder="e.g. 14085551234@c.us" required>
-                        </div>
-                        <button type="submit" class="primary-btn">Create Group</button>
-                    </form>
-                </div>
             </section>
 
             <!-- Connected Apps Tab -->

whatsapp-gateway/server.js

@@ -189,47 +189,60 @@ app.post('/api/send-message', handleSendMessage);
 // Legacy endpoint
 app.post('/send-message', handleSendMessage);
 
-app.get('/api/groups', async (req, res) => {
+app.get('/api/groups', (req, res) => {
     if (!isReady) return res.status(503).json({ error: 'Not ready' });
-    try {
-        const chats = await client.getChats();
-        const groups = chats.filter(c => c.isGroup);
-        const groupData = groups.map(g => ({
-            id: g.id._serialized,
-            name: g.name,
-            participants: g.participants ? g.participants.length : 0
-        }));
-        res.json({ success: true, groups: groupData });
-    } catch (err) {
-        res.status(500).json({ error: err.message });
-    }
+    res.json({ success: true, groups: loadConfiguredGroups() });
 });
 
-app.post('/api/groups/invite', async (req, res) => {
+app.post('/api/groups/add-by-link', async (req, res) => {
     if (!isReady) return res.status(503).json({ error: 'Not ready' });
-    const { groupId } = req.body;
-    try {
-        const code = await client.groupGetInviteCode(groupId);
-        res.json({ success: true, inviteLink: `https://chat.whatsapp.com/${code}` });
-    } catch (err) {
-        res.status(500).json({ error: err.message });
-    }
-});
+    const { link } = req.body;
+    if (!link) return res.status(400).json({ error: 'Link is required' });
 
-app.post('/api/groups/create', async (req, res) => {
-    if (!isReady) return res.status(503).json({ error: 'Not ready' });
-    const { title, initialParticipants = [] } = req.body; // Needs standard WhatsApp JIDs
     try {
-        const result = await client.createGroup(title, initialParticipants);
-        res.json({ success: true, groupId: result.gid._serialized });
+        let inviteCode = link;
+        if (link.includes('chat.whatsapp.com/')) {
+            inviteCode = link.split('chat.whatsapp.com/')[1].split('?')[0].trim();
+        }
+
+        let groupId, groupName;
+        
+        try {
+            // Attempt to accept invite (this will fail if already in the group)
+            groupId = await client.acceptInvite(inviteCode);
+            // If acceptInvite returns the ID, we try to get info to get the name
+            const info = await client.getInviteInfo(inviteCode);
+            groupName = info.subject || 'Unknown Group';
+        } catch (e) {
+            // If it failed, it might be because we're already in it.
+            // Let's just fetch the info!
+            const info = await client.getInviteInfo(inviteCode);
+            groupId = info.id._serialized || info.id;
+            groupName = info.subject || 'Unknown Group';
+        }
+
+        const newGroup = {
+            id: groupId,
+            name: groupName,
+            participants: 'Unknown' // We don't fetch participant count from invite info to save time
+        };
+
+        const groups = loadConfiguredGroups();
+        if (!groups.find(g => g.id === groupId)) {
+            groups.push(newGroup);
+            saveConfiguredGroups(groups);
+        }
+
+        res.json({ success: true, group: newGroup });
     } catch (err) {
-        res.status(500).json({ error: err.message });
+        res.status(500).json({ error: err.message || 'Failed to process invite link' });
     }
 });
 
 // ─── Settings ─────────────────────────────────────────────────────────────
 const fs = require('fs');
 const SETTINGS_FILE = path.join(__dirname, 'settings.json');
+const GROUPS_FILE = path.join(__dirname, 'configured_groups.json');
 
 function loadSettings() {
     if (fs.existsSync(SETTINGS_FILE)) {
@@ -242,6 +255,17 @@ function saveSettings(settings) {
     fs.writeFileSync(SETTINGS_FILE, JSON.stringify(settings, null, 2));
 }
 
+function loadConfiguredGroups() {
+    if (fs.existsSync(GROUPS_FILE)) {
+        return JSON.parse(fs.readFileSync(GROUPS_FILE));
+    }
+    return [];
+}
+
+function saveConfiguredGroups(groups) {
+    fs.writeFileSync(GROUPS_FILE, JSON.stringify(groups, null, 2));
+}
+
 app.get('/api/settings', (req, res) => {
     res.json({ success: true, settings: loadSettings() });
 });