logos-storage-nim-cs-dist-tests/Tools/BiblioTech/DeploymentFilesMonitor.cs

using CodexPlugin;
using Newtonsoft.Json;

namespace BiblioTech
{
    public class DeploymentFilesMonitor
    {
        private DateTime lastUpdate = DateTime.MinValue;
        private CodexDeployment[] deployments = Array.Empty<CodexDeployment>();

        public CodexDeployment[] GetDeployments()
        {
            if (ShouldUpdate())
            {
                UpdateDeployments();
            }

            return deployments;
        }

        private void UpdateDeployments()
        {
            lastUpdate = DateTime.UtcNow;
            var path = Program.Config.DeploymentsPath;
            var files = Directory.GetFiles(path);
            deployments = files.Select(ProcessFile).Where(d => d != null).Cast<CodexDeployment>().ToArray();
        }

        private CodexDeployment? ProcessFile(string filename)
        {
            try
            {
                var lines = File.ReadAllLines(filename);
                return JsonConvert.DeserializeObject<CodexDeployment>(string.Join(" ", lines));
            }
            catch
            {
                return null;
            }
        }

        private bool ShouldUpdate()
        {
            return !deployments.Any() || (DateTime.UtcNow - lastUpdate) > TimeSpan.FromMinutes(10);
        }
    }
}