FileFlowsPlugins/BasicNodes/File/FileExists.cs

namespace FileFlows.BasicNodes.File;
using FileFlows.Plugin;
using FileFlows.Plugin.Attributes;

public class FileExists: Node
{
    public override int Inputs => 1;
    public override int Outputs => 2;

    public override FlowElementType Type => FlowElementType.Logic;
    public override string Icon => "fas fa-question-circle";

    public override string HelpUrl => "https://fileflows.com/docs/plugins/basic-nodes/file-exists";


    [TextVariable(1)]
    public string FileName { get; set; }

    public override int Execute(NodeParameters args)
    {
        string file = args.ReplaceVariables(FileName ?? string.Empty, true);
        if(string.IsNullOrWhiteSpace(file))
        {
            args.Logger?.ELog("FileName not set");
            return -1;
        }
        try
        {
            var result = args.FileService.FileExists(file);
            if (result.Is(true))
            {
                args.Logger?.ILog("File does exist: " + file);
                return 1;
            }
            args.Logger?.ILog("File does NOT exist: " + file);
            return 2;
            
            // file = args.MapPath(file);
            // var fileInfo = new FileInfo(file);
            // if (fileInfo.Exists)
            // {
            //     args.Logger?.ILog("File does exist: " + file);
            //     return 1;
            // }
            // args.Logger?.ILog("File does NOT exist: " + file);
            // return 2;
        }
        catch (Exception ex)
        {
            args.Logger?.ELog($"Failed testing if file '{file}' exists: " + ex.Message);
            return -1;
        }
    }
}