TableRecords.cs

using System.Collections.Generic;
using System.Threading.Tasks;
using System.Xml;
using Waher.Reports.Model.Attributes;
using Waher.Things.Queries;
 
namespace Waher.Reports.Files.Model.Actions
{
    public class TableRecords : ReportAction
    {
        private readonly ReportStringAttribute tableId;
        private readonly TableRecord[] records;
        private readonly int nrRecords;
 
        public TableRecords(XmlElement Xml, ReportFile Report)
            : base(Report)
        {
            this.tableId = new ReportStringAttribute(Xml, "tableId");
 
            List<TableRecord> TableRecords = new List<TableRecord>();
 
            foreach (XmlNode N in Xml.ChildNodes)
            {
                if (N is XmlElement E && E.LocalName == "Record")
                    TableRecords.Add(new TableRecord(E));
            }
 
            this.records = TableRecords.ToArray();
            this.nrRecords = this.records.Length;
        }
 
        public override async Task<bool> Execute(ReportState State)
        {
            string TableId = await this.tableId.Evaluate(State.Variables);
            Record[] Records = new Record[this.nrRecords];
            int i;
 
            for (i=0;i<this.nrRecords;i++)
                Records[i] = new Record(await this.records[i].Evaluate(State));
 
            await State.Query.NewRecords(TableId, Records);
 
            return true;
        }
    }
}