TextFileEventSinkNode.cs

using System.Collections.Generic;
using System.Threading.Tasks;
using System.Xml;
using Waher.Events.Files;
using Waher.Runtime.Language;
using Waher.Things;
using Waher.Things.Attributes;
using Waher.Things.DisplayableParameters;
 
namespace Waher.Service.IoTBroker.Sources.GatewayConfig.EventSinkNodes
{
    public class TextFileEventSinkNode : EventSinkNode
    {
        public TextFileEventSinkNode()
            : base()
        {
        }
 
        public TextFileEventSinkNode(GatewayConfigSource Source, ConfigurationNode Parent,
            string SinkId, string FileName, int DeleteAfterDays)
            : base(Source, Parent, SinkId)
        {
            this.FileName = FileName;
            this.DeleteAfterDays = DeleteAfterDays;
        }
 
        [Page(7, "Configuration")]
        [Header(148, "File Name:")]
        [ToolTip(149, "Name of file where events will be logged.")]
        [Text(TextPosition.AfterField, 154, "The substrings %YEAR%, %MONTH%, %DAY%, %HOUR%, %MINUTE and %SECOND% will be replaced by the current year, month, day, hour, minute and second respectively.")]
        [Required]
        public string FileName { get; set; }
 
        [Page(7, "Configuration")]
        [Header(150, "Delete After Days:")]
        [ToolTip(151, "Number of days after which log files are deleted.")]
        [Required]
        [Range(1, int.MaxValue)]
        public int DeleteAfterDays { get; set; }
 
        public override Task<string> GetTypeNameAsync(Language Language)
        {
            return Language.GetStringAsync(typeof(GatewayConfigSource), 153, "Text File Event Sink");
        }
 
        public override async Task<IEnumerable<Parameter>> GetDisplayableParametersAsync(Language Language, RequestOrigin Caller)
        {
            LinkedList<Parameter> Parameters = (LinkedList<Parameter>)await base.GetDisplayableParametersAsync(Language, Caller);
            Namespace Namespace = await Language.GetNamespaceAsync(typeof(GatewayConfigSource).Namespace);
 
            Parameters.AddLast(new StringParameter("FileName", await Namespace.GetStringAsync(152, "File Name"), this.FileName));
 
            return Parameters;
        }
 
        public override void Export(XmlWriter Output)
        {
            Output.WriteStartElement("TextFileEventSink");
            Output.WriteAttributeString("id", this.SinkId);
            Output.WriteAttributeString("fileName", this.FileName);
            Output.WriteAttributeString("deleteAfterDays", this.DeleteAfterDays.ToString());
            Output.WriteEndElement();
        }
    }
}