/// <summary>
/// Handle an IActionResult request from a controller
/// </summary>
/// <typeparam name="T">type of result</typeparam>
/// <param name="task">async task (usually the Cosmos query)</param>
/// <param name="logger">NgsaLog</param>
/// <returns>IActionResult</returns>
public static async Task <IActionResult> Handle <T>(Task <T> task, NgsaLog logger)
{
// return exception if task is null
if (task == null)
{
logger.LogError(new EventId((int)HttpStatusCode.InternalServerError, "Exception"), nameof(Handle), "Exception: task is null", ex: new ArgumentNullException(nameof(task)));
return(CreateResult(logger.ErrorMessage, HttpStatusCode.InternalServerError));
}
try
{
// return an OK object result
return(new OkObjectResult(await task.ConfigureAwait(false)));
}
catch (CosmosException ce)
{
// log and return Cosmos status code
if (ce.StatusCode == HttpStatusCode.NotFound)
{
logger.LogWarning(new EventId((int)ce.StatusCode, string.Empty), nameof(Handle), logger.NotFoundError);
return(CreateResult(logger.NotFoundError, ce.StatusCode));
}
logger.LogError(new EventId((int)ce.StatusCode, "CosmosException"), nameof(Handle), $"CosmosActivityId: {ce.ActivityId}", ex: ce);
return(CreateResult(logger.ErrorMessage, ce.StatusCode));
}
catch (Exception ex)
{
// log and return exception
logger.LogError(new EventId((int)HttpStatusCode.InternalServerError, "Exception"), nameof(Handle), "Exception: {ex.Message}", ex: ex);
// return 500 error
return(CreateResult("Internal Server Error", HttpStatusCode.InternalServerError));
}
}
/// <summary>
/// Builds the config for the web server
/// </summary>
/// <returns>Root Configuration</returns>
private static IConfigurationRoot BuildConfig()
{
try
{
// standard config builder
IConfigurationBuilder cfgBuilder = new ConfigurationBuilder()
.SetBasePath(Directory.GetCurrentDirectory())
.AddJsonFile("appsettings.json", optional: false);
// build the config
return(cfgBuilder.Build());
}
catch (Exception ex)
{
// log and fail
Logger.LogError(nameof(BuildConfig), "Exception: {ex.Message}", ex: ex);
Environment.Exit(-1);
}
return(null);
}