🆕 db locked icon #685

front/css/app.css

@@ -144,6 +144,17 @@
 {
     background-color: rgba(0, 0, 0, 0);
 }
+.header-status-locked-db
+{
+    width: 25px;
+    height: 25px;
+    color: red;
+    position: absolute;
+    top: 12px;
+    right: -17px;
+    display: none;
+}
+
 .navbar-nav > li > a
 {
     line-height: 30px;

front/deviceDetails.php

@@ -628,7 +628,7 @@
   <script src="lib/AdminLTE/bower_components/fullcalendar/dist/locale-all.js"></script>
   <!-- ----------------------------------------------------------------------- -->
 
-  <script src="js/db_methods.js?v=<?php include 'php/templates/version.php'; ?>"></script>
+  
   <!-- ----------------------------------------------------------------------- -->
 
 <!-- Dark-Mode Patch -->

front/js/db_methods.js

@@ -1,7 +1,9 @@
 // -----------------------------------------------------------------------------
-// General utilities to interact with teh database
+// General utilities to interact with the database
 // -----------------------------------------------------------------------------
 
+
+// --------------------------------------------------
 // Read data and place intotarget location, callback processies the results
 function readData(sqlQuery, processDataCallback, valuesArray, targetLocation, targetField, nameTransformer) {
     var apiUrl = `php/server/dbHelper.php?action=read&rawSql=${encodeURIComponent(sqlQuery)}`;
@@ -15,4 +17,31 @@ function readData(sqlQuery, processDataCallback, valuesArray, targetLocation, ta
         // Place the resulting HTML into the specified placeholder div
         $("#" + targetLocation).replaceWith(htmlResult);
     });
-}
+}
+
+// --------------------------------------------------
+// Check if database is locked
+function checkDbLock() {
+    $.ajax({
+        url: 'php/server/dbHelper.php', // Replace with the actual path to your PHP file
+        type: 'GET',
+        data: { action: 'checkLock' },
+        success: function(response) {
+            if (response == 1) {
+                console.log('🟥 Database is locked');            
+                $(".header-status-locked-db").show()    
+            } else {
+                // console.log('Database is not locked');
+                $(".header-status-locked-db").hide()  
+            }
+        },
+        error: function() {
+            console.log('Error checking database lock status');
+        }
+    });
+}
+
+// Start the loop
+setInterval(() => {
+    checkDbLock();
+}, 1000);

front/multiEditCore.php

@@ -326,7 +326,6 @@ getData();
 
 <!-- ----------------------------------------------------------------------- -->
 
-<script src="js/db_methods.js?v=<?php include 'php/templates/version.php'; ?>"></script>
 <!-- ----------------------------------------------------------------------- -->
 
 

front/php/server/dbHelper.php

@@ -72,6 +72,7 @@
       case 'read'  :    read($rawSql);    break;
       case 'update':    update($columnName, $id, $defaultValue, $expireMinutes, $dbtable, $columns, $values);  break;
       case 'delete':    delete($columnName, $id, $dbtable);  break;
+      case 'checkLock': checkLock();  break;
       default:     logServerConsole ('Action: '. $action);  break;
     }
   }
@@ -264,4 +265,20 @@ function delete($columnName, $id, $dbtable)
 
 
 
+//------------------------------------------------------------------------------
+//  check if the database is locked
+//------------------------------------------------------------------------------
+function checkLock() {
+  global $db;
+  try {
+      $db->exec('BEGIN EXCLUSIVE TRANSACTION');
+      $db->exec('COMMIT');
+      echo 0; // Not locked
+      return 0;
+  } catch (Exception $e) {
+      echo 1; // Locked
+      return 1;
+  }
+}
+
 ?>

front/php/templates/footer.php

@@ -55,6 +55,7 @@
 <!-- NetAlertX -->
 <script src="js/handle_version.js"></script>
 <script src="js/ui_components.js?v=<?php include 'php/templates/version.php'; ?>"></script>
+<script src="js/db_methods.js?v=<?php include 'php/templates/version.php'; ?>"></script>
 
 <!-- Select2 JavaScript -->
 <script src="lib/AdminLTE/bower_components/select2/dist/js/select2.full.min.js" defer></script>

front/php/templates/header.php

@@ -57,12 +57,6 @@ require dirname(__FILE__).'/security.php';
   <!-- NetAlertX CSS -->
   <link rel="stylesheet" href="css/app.css">
 
-  <!-- HTML5 Shim and Respond.js IE8 support of HTML5 elements and media queries -->
-  <!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
-  <!--[if lt IE 9]>
-    <script src="https://oss.maxcdn.com/html5shiv/3.7.3/html5shiv.min.js"></script>
-    <script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
-  <![endif]-->
 
   <!-- Google Font -->
   <!-- <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:300,400,600,700,300italic,400italic,600italic"> -->
@@ -173,6 +167,9 @@ if ($ENABLED_DARKMODE === True) {
               <div class="header-status">
                 <code id="state"></code>
               </div>
+              <div class="header-status-locked-db">
+                <i class="fa-solid fa-database fa-fade"></i>
+              </div>
             </a>
           </li>
           <!-- Server Name -->

front/settings.php

@@ -54,7 +54,7 @@ while ($row = $result -> fetchArray (SQLITE3_ASSOC)) {
 <!-- Page ------------------------------------------------------------------ -->
 
 <script src="js/settings_utils.js?v=<?php include 'php/templates/version.php'; ?>"></script>
-<script src="js/db_methods.js?v=<?php include 'php/templates/version.php'; ?>"></script>
+
 <script src="lib/crypto/crypto-js.min.js"></script>