public void Execute(TaskExecutionContext ctx)
{
var profileId = ctx.ScheduleTask.Alias.ToInt();
var profile = _exportProfileService.GetExportProfileById(profileId);
// load provider
var provider = _exportProfileService.LoadProvider(profile.ProviderSystemName);
if (provider == null)
{
throw new SmartException(T("Admin.Common.ProviderNotLoaded", profile.ProviderSystemName.NaIfEmpty()));
}
// build export request
var request = new DataExportRequest(profile, provider);
request.ProgressValueSetter = delegate(int val, int max, string msg)
{
ctx.SetProgress(val, max, msg, true);
};
if (ctx.Parameters.ContainsKey("SelectedIds"))
{
request.EntitiesToExport = ctx.Parameters["SelectedIds"]
.SplitSafe(",")
.Select(x => x.ToInt())
.ToList();
}
// process!
_exporter.Export(request, ctx.CancellationToken);
}
public int GetDataCount(DataExportRequest request)
{
var cancellation = new CancellationTokenSource(TimeSpan.FromMinutes(5.0));
var ctx = new DataExporterContext(request, cancellation.Token, true);
var unused = Init(ctx);
var totalCount = ctx.RecordsPerStore.First().Value;
return totalCount;
}
public IList<dynamic> Preview(DataExportRequest request, int pageIndex, int? totalRecords = null)
{
var resultData = new List<dynamic>();
var cancellation = new CancellationTokenSource(TimeSpan.FromMinutes(5.0));
var ctx = new DataExporterContext(request, cancellation.Token, true);
var unused = Init(ctx, totalRecords);
if (!HasPermission(ctx))
throw new SmartException(T("Admin.AccessDenied"));
using (var segmenter = CreateSegmenter(ctx, pageIndex))
{
if (segmenter == null)
{
throw new SmartException(T("Admin.Common.UnsupportedEntityType", ctx.Request.Provider.Value.EntityType.ToString()));
}
while (segmenter.HasData)
{
segmenter.RecordPerSegmentCount = 0;
while (segmenter.ReadNextSegment())
{
resultData.AddRange(segmenter.CurrentSegment);
}
}
DetachAllEntitiesAndClear(ctx);
}
if (ctx.Result.LastError.HasValue())
{
_services.Notifier.Error(ctx.Result.LastError);
}
return resultData;
}
public DataExportResult Export(DataExportRequest request, CancellationToken cancellationToken)
{
var ctx = new DataExporterContext(request, cancellationToken);
ExportCoreOuter(ctx);
cancellationToken.ThrowIfCancellationRequested();
return ctx.Result;
}
