public async Task <Option <IEnumerable <PendingOrderView>, Error> > Handle(
GetPendingOrdersByUser request, CancellationToken cancellationToken)
{
IPendingOrdersReader dataProvider;
switch (request.DataProvider)
{
case Core.OrderContext.Enums.PendingOrdersDataProvider.CsvProvider:
dataProvider = new PendingOrdersCsvReader();
break;
case Core.OrderContext.Enums.PendingOrdersDataProvider.EntityFrameworkProvider:
dataProvider = new PendingOrdersEfReader(_repository);
break;
case Core.OrderContext.Enums.PendingOrdersDataProvider.AdoNetProvider:
dataProvider = new PendingOrdersSqlReader(_queryDbConnector);
break;
default:
throw new InvalidEnumArgumentException();
}
var cachingReader = new PendingOrdersCachingReader(dataProvider);
var result = await cachingReader.PendingOrdersAsync(
request.UserId, request.Limit, request.StartPage, cancellationToken);
return(result.SomeWhen(list => list.Any(), Error.NotFound("There are no pending orders for current user!")));
}
public async Task <IActionResult> PendingOrders([FromQuery] GetPendingOrdersRequest request)
{
var identityUser = await _userManager.GetUserAsync(HttpContext.User);
var query = new GetPendingOrdersByUser(identityUser.Id, request);
return((await _mediator.Send(query))
.Match(Ok, Error));
}
