I have a REST API web application which worked perfectly with ASP.Net Core 2.1. Now the constructor injected IHttpContextAccessor returns a null value for HttpContext property.
In Startup.cs class, in ConfigureServices method I have:
services.AddSingleton<IHttpContextAccessor, HttpContextAccessor>(); services.AddScoped<WorklistPagedTasksHalRepresentationConverter>();
This is the WorklistPagedTasksHalRepresentationConverter class
public class WorklistPagedTasksHalRepresentationConverter : TypeConverter<WorklistWithPagedTasks, WorklistPagedTasksHalRepresentation>
{
private readonly IHttpContextAccessor httpContextAccessor;
private readonly IMapper mapper;
public WorklistPagedTasksHalRepresentationConverter(IHttpContextAccessor httpContextAccessor, IMapper mapper)
{
this.httpContextAccessor = httpContextAccessor;
this.mapper = mapper;
}
public WorklistPagedTasksHalRepresentation Convert(WorklistWithPagedTasks source, WorklistPagedTasksHalRepresentation destination, ResolutionContext context)
{
var tasks = mapper.Map<IList<TaskSummaryHalRepresentation>>(source.Tasks.ResultPage.ToList());
var worklistPagedTasksHalRepresentation = new WorklistPagedTasksHalRepresentation(
new PaginatedResult<TaskSummaryHalRepresentation>
{
ResultPage = tasks.AsQueryable(),
TotalCount = source.Tasks.TotalCount,
PageNumber = source.Tasks.PageNumber
},
httpContextAccessor.HttpContext.Request)
{
Id = source.Id,
OwnerId = source.OwnerId,
OwnerName = source.OwnerName
};
return worklistPagedTasksHalRepresentation;
}
}
The Convert method is called by a controller method.
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