public async Task <IPagedResult <Photo> > FindPaged(
PhotoQueryParameters parameters)
{
if (!parameters.Skip.HasValue || !parameters.Take.HasValue)
{
parameters.Skip = 0;
parameters.Take = 10;
}
var results = Find(parameters);
var list = await results.ToList();
return(list.AsPaged(
parameters.Skip.Value,
parameters.Take.Value,
0));
}
public PhotoFilterSpecification(
PhotoQueryParameters queryParameters)
: base(
x =>
(!queryParameters.Caption.HasValue() ||
x.Caption.IndexOf(
queryParameters.Caption,
StringComparison.CurrentCultureIgnoreCase)
!= -1) &&
(!queryParameters.FileName.HasValue() ||
x.FileName.IndexOf(
queryParameters.FileName,
StringComparison.CurrentCultureIgnoreCase)
!= -1) &&
(!queryParameters.DateTaken.HasValue ||
(x.DateTaken.HasValue &&
x.DateTaken.Value.Day
== queryParameters.DateTaken.Value.Day &&
x.DateTaken.Value.Month
== queryParameters.DateTaken.Value.Month &&
x.DateTaken.Value.Year
== queryParameters.DateTaken.Value.Year)))
{
}
public IAsyncEnumerable <Photo> Find(PhotoQueryParameters parameters)
=> Repository.FindBySpecAsync(
new PhotoFilterSpecification(parameters));
