FF-1356 - new flow element is processing on node

BasicNodes/BasicNodes.en.json

@@ -191,6 +191,17 @@
             "Node-Help": "The processing node to process this file."
           }
         },
+        "IsProcessingOnNode": {
+          "Description": "Checks if the flow is currently processing on a specified processing node.",
+          "Fields": {
+            "Node": "Node",
+            "Node-Help": "The processing node to check.",
+          },
+          "Outputs": {
+            "1": "Is processing on node",
+            "2": "Is not processing on node"
+          }
+        },
         "Log": {
           "Description": "Logs a message to the flow log",
           "Outputs": {

BasicNodes/Functions/IsProcessingOnNode.cs

@@ -0,0 +1,40 @@
+using FileFlows.Plugin;
+using FileFlows.Plugin.Attributes;
+
+namespace FileFlows.BasicNodes.Functions;
+
+/// <summary>
+/// Flow element that checks if a flow is being executed on a specific processing node
+/// </summary>
+public class IsProcessingOnNode : Node
+{
+    /// <inheritdoc />
+    public override int Inputs => 1;
+    /// <inheritdoc />
+    public override int Outputs => 2;
+    /// <inheritdoc />
+    public override FlowElementType Type => FlowElementType.Logic;
+    /// <inheritdoc />
+    public override string HelpUrl => "https://fileflows.com/docs/plugins/basic-nodes/is-processing-on-node";
+    /// <inheritdoc /> 
+    public override string Icon => "fas fa-question";
+    
+    /// <summary>
+    /// Gets or sets the flow to execute
+    /// </summary>
+    [Select("NODE_LIST", 1)]
+    public ObjectReference Node { get; set; }
+
+    /// <inheritdoc />
+    public override int Execute(NodeParameters args)
+    {
+        if (Node.Uid == args.Node.Uid)
+        {
+            args.Logger?.ILog("Is processing on node: " + args.Node.Name);
+            return 1;
+        }
+
+        args.Logger?.ILog("Is not processing on node: " + Node.Name);
+        return 2;
+    }
+}