Allow editing gift card numbers

action.php

@@ -706,6 +706,7 @@ switch ($VARS['action']) {
             returnToSender("card_x_added", $code);
         } else {
             $database->update('certificates', [
+                'certcode' => $code,
                 'amount' => $amount
                     ], [
                 'certid' => $VARS['id']

pages/editcertificate.php

@@ -62,7 +62,7 @@ if (!$editing) {
         <div class="card-body row">
             <div class="form-group col-sm-6">
                 <label for="code"><i class="fas fa-hashtag"></i> <?php lang("card number"); ?></label>
-                <input type="text" class="form-control disabled" id="code" value="<?php echo $carddata['code']; ?>" disabled />
+                <input type="text" class="form-control" id="code" name="code" value="<?php echo htmlspecialchars($carddata['code']); ?>" />
             </div>
             <div class="form-group col-sm-6">
                 <label for="balance"><i class="fas fa-balance-scale"></i> <?php lang("balance"); ?></label>
@@ -71,7 +71,6 @@ if (!$editing) {
         </div>
 
         <input type="hidden" name="id" value="<?php echo $carddata['id']; ?>" />
-        <input type="hidden" name="code" value="<?php echo $carddata['code']; ?>" />
         <input type="hidden" name="action" value="editcertificate" />
         <input type="hidden" name="source" value="certificates" />