Azure Search Bot Session Entity

SearchSession.cs

using Arlo.SDK.Entities;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Arlo.SDK.Entities.Product;
using Microsoft.Azure.Search;
using Microsoft.Azure.Search.Models;
using System.ComponentModel.DataAnnotations;
using System.Globalization;

namespace SearchIndexer.SupportLibrary
{
    /// <summary>
    /// Used to provide a strongly-typed object for the Search Service to index.
    /// Azure Search requires a self-contained, serializable class with appropriate search attributes.
    /// </summary>
    [SerializePropertyNamesAsCamelCase]
    class SessionFacade
    {
        private static readonly DateTime? DEFAULT_START = new DateTime(2017, 2, 15);
        private static readonly DateTime? DEFAULT_END = new DateTime(2017, 2, 17);
        private static readonly IFormatProvider CULTURE_INFO = new CultureInfo("en-AU");
        //private static readonly TimeZoneInfo TIMEZONE = TimeZoneInfo.FindSystemTimeZoneById("E. Australia Standard Time");

        // UTC+10: Note no daylight saving!
        //private static readonly TimeSpan TIME_ZONE = new TimeSpan(10, 0, 0);

        public SessionFacade(ArloSession arloSession)
        {
            this.SessionId = arloSession.SessionID;
            this.Name = arloSession.Name;

            this.StartDateTime = ConvertToDateTimeOffset(arloSession.StartDateTime, DEFAULT_START);
            this.FinishDateTime = ConvertToDateTimeOffset(arloSession.FinishDateTime, DEFAULT_END);

            this.SessionType = arloSession.SessionType;
            this.Description = arloSession.Description;
            this.Status = arloSession.Status;
            this.Presenters = GetPresenters(arloSession.Presenters);
            this.Room = arloSession.Room;
            this.Code = arloSession.Code;
            this.AdditionalInfo = "";

            // Need to ensure we're on Qld time, not TZ of Azure data centre
            //this.LastIndexed = new DateTimeOffset(DateTime.Now, TIME_ZONE);

            this.LastIndexed = new DateTimeOffset(DateTime.Now);
        }

        private DateTimeOffset? ConvertToDateTimeOffset(string input, DateTime? defaultDateTime)
        {
            DateTime dateTime;
            bool isParsed = false;
            //isParsed = DateTime.TryParse(input, CULTURE_INFO, DateTimeStyles.AdjustToUniversal, out dateTime);
            isParsed = DateTime.TryParse(input, CULTURE_INFO, DateTimeStyles.None, out dateTime);
            if (!isParsed)
            {
                this.StartDateTime = defaultDateTime;
            }

            //var dto = new DateTimeOffset(dateTime, TIME_ZONE);
            return new DateTimeOffset(dateTime);
        }

        private IEnumerable<string> GetPresenters(List<ArloContact> presenters)
        {
            return presenters.Select(presenter =>
                presenter == null ? string.Empty : presenter.FirstName + " " + presenter.LastName
            ).ToList();
        }

        [Key]
        [IsFilterable]
        public string SessionId { get; set; }
        [IsFilterable]
        public DateTimeOffset? LastIndexed { get; set; }
        [IsFilterable, IsSortable]
        public string Name { get; set; }
        [IsFilterable, IsFacetable, IsSortable]
        public DateTimeOffset? StartDateTime { get; set; }
        [IsFilterable, IsFacetable, IsSortable]
        public DateTimeOffset? FinishDateTime { get; set; }
        [IsFacetable, IsFilterable, IsSearchable]
        public string SessionType { get; set; }
        [IsSearchable]
        [Analyzer(AnalyzerName.AsString.EnLucene)]
        public string Description { get; set; }
        public string Status { get; set; }
        [IsSearchable, IsFacetable, IsFilterable]
        [Analyzer(AnalyzerName.AsString.EnLucene)]
        public IEnumerable<string> Presenters { get; set; }
        [IsSearchable, IsFacetable]
        public string Room { get; set; }
        [IsSearchable, IsFilterable]
        public string Code { get; set; }
        [IsSearchable]
        public string AdditionalInfo { get; set; }
    }
}