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POServiceStack Request DTO design
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  1. POServiceStack Request DTO design
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    copied! <p>I am a .Net developer used to develop web application on Microsoft Technologies. I am trying to educate myself to understand REST approach for web services. So far i am loving the ServiceStack framework. </p> <p>But sometimes i find myself to write services in a fashion that i am used to with WCF. So I have a question which bugs me.</p> <p>I have 2 request DTO's so 2 services like these:</p> <pre class="lang-cs prettyprint-override"><code>[Route("/bookinglimit", "GET")] [Authenticate] public class GetBookingLimit : IReturn&lt;GetBookingLimitResponse&gt; { public int Id { get; set; } } public class GetBookingLimitResponse { public int Id { get; set; } public int ShiftId { get; set; } public DateTime StartDate { get; set; } public DateTime EndDate { get; set; } public int Limit { get; set; } public ResponseStatus ResponseStatus { get; set; } } [Route("/bookinglimits", "GET")] [Authenticate] public class GetBookingLimits : IReturn&lt;GetBookingLimitsResponse&gt; { public DateTime Date { get; set; } } public class GetBookingLimitsResponse { public List&lt;GetBookingLimitResponse&gt; BookingLimits { get; set; } public ResponseStatus ResponseStatus { get; set; } } </code></pre> <p>As seen on these Request DTO's i have similar request DTO's nearly for every services and this seems like not DRY.</p> <p>I tried to use <code>GetBookingLimitResponse</code> class in a list inside <code>GetBookingLimitsResponse</code> for that reason <code>ResponseStatus</code> inside <code>GetBookingLimitResponse</code> class is dublicated in case i have an error on <code>GetBookingLimits</code> service.</p> <p>Also I have service implementations for these requests like :</p> <pre class="lang-cs prettyprint-override"><code>public class BookingLimitService : AppServiceBase { public IValidator&lt;AddBookingLimit&gt; AddBookingLimitValidator { get; set; } public GetBookingLimitResponse Get(GetBookingLimit request) { BookingLimit bookingLimit = new BookingLimitRepository().Get(request.Id); return new GetBookingLimitResponse { Id = bookingLimit.Id, ShiftId = bookingLimit.ShiftId, Limit = bookingLimit.Limit, StartDate = bookingLimit.StartDate, EndDate = bookingLimit.EndDate, }; } public GetBookingLimitsResponse Get(GetBookingLimits request) { List&lt;BookingLimit&gt; bookingLimits = new BookingLimitRepository().GetByRestaurantId(base.UserSession.RestaurantId); List&lt;GetBookingLimitResponse&gt; listResponse = new List&lt;GetBookingLimitResponse&gt;(); foreach (BookingLimit bookingLimit in bookingLimits) { listResponse.Add(new GetBookingLimitResponse { Id = bookingLimit.Id, ShiftId = bookingLimit.ShiftId, Limit = bookingLimit.Limit, StartDate = bookingLimit.StartDate, EndDate = bookingLimit.EndDate }); } return new GetBookingLimitsResponse { BookingLimits = listResponse.Where(l =&gt; l.EndDate.ToShortDateString() == request.Date.ToShortDateString() &amp;&amp; l.StartDate.ToShortDateString() == request.Date.ToShortDateString()).ToList() }; } } </code></pre> <p>As you see i also want to use Validation Feature here, so i have to write validation classes for every request DTO i have. So i have a feeling that i should keep my service number low by grouping similar services into one service.</p> <p>But the question here that pops up in my mind that should i send more information than client need for that request ?</p> <p>I think my way of thinking should change because i am not happy with current code which i wrote thinking like a WCF guy. </p> <p>Can someone show me the right direction to follow.</p>
 

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