Fetching Logs from CosmosDB

FetchLogs.cs

public static class HttpTrigger
    {
        [FunctionName("HttpTrigger")]
        public static IActionResult Run([HttpTrigger(AuthorizationLevel.Function, "get", Route = null)]HttpRequest req, TraceWriter log)
        {
            log.Info("C# HTTP trigger function processed a request.");

			string maxCountStr = req.GetQueryParameterDictionary().FirstOrDefault(q => string.Compare(q.Key, "max", true) == 0).Value;

			int maxCount = 200;

			if (maxCountStr != null) 
			{
				int.TryParse(maxCountStr, out maxCount);
			}

			var logger = new Logger();

			var logs = logger.Fetch(maxCount);

			return (ActionResult)new OkObjectResult(logs);
        }
    }


using System;
using System.Collections.Generic;
using System.Linq;
using Microsoft.Azure.Documents.Client;
using Newtonsoft.Json;

namespace LoggerQuery
{
    public sealed class Logger
    {
        readonly Uri Uri = new Uri("");
		const string AuthKey = "";
        readonly DocumentClient client;
        

        public Logger()
        {
            client = new DocumentClient(Uri, AuthKey);
        }

        public IList<Log> Fetch(int maxCount = 200 )
        {

            var feedOptions = new FeedOptions { 
				EnableCrossPartitionQuery = true,
			};

			var logFromSQL = client.CreateDocumentQuery<Log>(DocumentURI, feedOptions);

			var sortedLogs = (from l in logFromSQL
							  orderby l.Time descending
			                  select l).Take(maxCount);


			return sortedLogs.ToList();
        }

        Uri DocumentURI
        {
            get => UriFactory.CreateDocumentCollectionUri("Log", "Log");
        }

    }

    public sealed class Log
    {
        public DateTime Time { get; set; }
        public string DeviceID { get; set; }
        public string Level { get; set; }
        public string SourceFile { get; set; }
        public int LineNumber { get; set; }
        public string Column { get; set; }
        public string FunctionName { get; set; }
        public string Message { get; set; }

        public override string ToString()
        {
            return JsonConvert.SerializeObject(this);
        }
    }
}

Simple Azure function to retrieve the last 'n' logs.