public static IMiddlewareBuilder <CFTFileContext> UseExport(
this IMiddlewareBuilder <CFTFileContext> app,
Action <ExportFileOptions> configOption)
{
var options = new ExportFileOptions();
configOption(options);
app.UseMiddleware <ExportFileMiddleWare, CFTFileContext>(options);
return(app);
}
public ExportFileMiddleWare(
MiddlewareDelegate <CFTFileContext> next,
ILogger <ExportFileMiddleWare> logger,
IFileProviderFactory fileProviderFactory,
ExportFileOptions options)
: base(next, logger)
{
try
{
options.ValidationParams();
_fileProvider = fileProviderFactory.GetFileProvider(options.FileProviderType, options.FileProviderSettings);
var exportFolder = _fileProvider.GetDirectoryContents(options.Path);
if (!exportFolder.Exists)
{
throw new ArgumentException($"Каталог '{options.Path}' не существует.", nameof(options.Path));
}
}
catch (Exception e)
{
throw new CFTConfigurationException("Ошибка при конфигурации модуля экспорта файла.", e);
}
_option = options;
}