fixed admin promotion, stopped self from demoting self

backend/src/routes/userAdmin.js

@@ -89,11 +89,11 @@ module.exports = (pool, query, authMiddleware) => {
     }
   });
   
-  // Update user (admin can update is_disabled and internal_notes)
+  // Update user (admin can update is_disabled, is_admin and internal_notes)
   router.patch('/:id', async (req, res, next) => {
     try {
       const { id } = req.params;
-      const { is_disabled, internal_notes } = req.body;
+      const { is_disabled, internal_notes, is_admin} = req.body;
       
       // Check if user is admin
       if (!req.user.is_admin) {
@@ -118,12 +118,14 @@ module.exports = (pool, query, authMiddleware) => {
         UPDATE users 
         SET 
           is_disabled = $1, 
-          internal_notes = $2
-        WHERE id = $3
+          internal_notes = $2,
+          is_admin = $3
+        WHERE id = $4
         RETURNING id, email, first_name, last_name, is_admin, is_disabled, internal_notes
       `, [
         is_disabled !== undefined ? is_disabled : userCheck.rows[0].is_disabled,
         internal_notes !== undefined ? internal_notes : userCheck.rows[0].internal_notes,
+        is_admin !== undefined ? is_admin : userCheck.rows[0].is_admin,
         id
       ]);
       

frontend/src/pages/Admin/CustomersPage.jsx

@@ -48,6 +48,7 @@ const AdminCustomersPage = () => {
   const [emailRecipient, setEmailRecipient] = useState(null);
   const [formData, setFormData] = useState({
     is_disabled: false,
+    is_admin: false,
     internal_notes: ''
   });
 
@@ -99,6 +100,7 @@ const AdminCustomersPage = () => {
     setCurrentUser(user);
     setFormData({
       is_disabled: user.is_disabled,
+      is_admin: user.is_admin,
       internal_notes: user.internal_notes || ''
     });
     setEditDialogOpen(true);
@@ -127,7 +129,7 @@ const AdminCustomersPage = () => {
     const { name, value, checked } = e.target;
     setFormData(prev => ({
       ...prev,
-      [name]: name === 'is_disabled' ? checked : value
+      [name]: name === 'is_disabled' || name === 'is_admin' ? checked : value
     }));
   };
 
@@ -334,6 +336,20 @@ const AdminCustomersPage = () => {
                 sx={{ my: 2, display: 'block' }}
               />
               
+              <FormControlLabel
+                control={
+                  <Switch
+                    checked={formData.is_admin}
+                    onChange={handleFormChange}
+                    name="is_admin"
+                    color="error"
+                  />
+                }
+                label={formData.is_admin ? "Account is Admin" : "Account is not Admin"}
+                sx={{ my: 2, display: 'block' }}
+              />
+              
+              
               <TextField
                 autoFocus
                 name="internal_notes"