Table Input binding

#r "Microsoft.WindowsAzure.Storage"
using Microsoft.WindowsAzure.Storage.Table;
using System.Net;

public static HttpResponseMessage Run(HttpRequestMessage req, IQueryable<Person> oncallTable, TraceWriter log)
{
    log.Info("C# HTTP trigger function processed a request.");

    var startOfWeek = DateTimeExtension.StartOfWeek(DateTime.Now, DayOfWeek.Monday);

    log.Info("Start of week: " + startOfWeek.ToString());
    Person person = oncallTable.Where(p => p.PartitionKey == "1" && p.RowKey == startOfWeek.ToString().Replace("/", "_")).AsEnumerable().FirstOrDefault();
    log.Info($"Oncall name: {person.Name} -- Oncall email: {person.Email}");

    return req.CreateResponse(HttpStatusCode.OK, person.Email);
}

public class Person : TableEntity
{
    public string Name { get; set; }
    public string Email { get; set; }
}

public static class DateTimeExtension
{
    public static DateTime StartOfWeek(DateTime dt, DayOfWeek startOfWeek)
    {
        int diff = dt.DayOfWeek - startOfWeek;
        if (diff < 0)
        {
            diff += 7;
        }
        return dt.AddDays(-1 * diff).Date;
    }
}