AspNetWebApiSample/SampleWebApi/Controllers/RandomController.cs

RandomController.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Web.Http;

namespace SampleWebApi.Controllers
{
    [RoutePrefix("api/Random")]
    [Route("{action}")]
    public class RandomController : ApiController
    {
        static readonly Random random = new Random();

        [HttpGet]
        [Route("Echo/{i:int?}")]
        public int Echo(int i = 123) => i;

        [HttpGet]
        [Route("NewDoubles/{count:int:range(0,64)}")]
        public double[] NewDoubles(int count) =>
            Enumerable.Range(0, count)
                .Select(i => random.NextDouble())
                .ToArray();

        [HttpGet]
        [Route(@"NewDateTime/{date:datetime:regex(\d{4}-\d{2}-\d{2})}")]
        [Route(@"NewDateTime/{*date:datetime:regex(\d{4}/\d{2}/\d{2})}")]
        public DateTime NewDateTime(DateTime date) => date + TimeSpan.FromHours(24 * random.NextDouble());

        [HttpGet]
        public Guid NewUuid() => Guid.NewGuid();
    }
}