Files
2016-11-17 15:02:29 -05:00

88 lines
3.6 KiB
C#

using Backload.Contracts.Context;
using System;
using System.Web;
using System.Web.Mvc;
namespace Backload.Helper
{
/// <summary>
/// This helper class creates the result of type ActionResult from the IBackloadResult object
/// </summary>
public partial class ResultCreator
{
/// <summary>
/// Returns an ActionResult depending on the requested type (Json or file data)
/// </summary>
/// <param name="result">An IBackloadResult instance</param>
/// <returns>An ActionResult instance</returns>
public static ActionResult Create(IBackloadResult result)
{
if ((int)result.HttpStatusCode < 300)
{
// RequestType.Default: Json output has been requested (default).
// Otherwise a file or a thumbnail (bytes) will be returned.
if (result.RequestType == RequestType.Default)
return Create((IJsonResult)result);
else if ((result.RequestType == RequestType.File) || (result.RequestType == RequestType.Thumbnail))
return Create((IFileDataResult)result);
}
// Http status code >= 300
return new HttpStatusCodeResult(result.HttpStatusCode);
}
/// <summary>
/// Creates the Json output for the files handled in this request
/// </summary>
/// <param name="result">A IFileStatusResult object with client plugin specfic data.</param>
/// <returns>JsonResult instance or a http HttpStatusCodeResult to send an http status</returns>
public static ActionResult Create(IJsonResult result)
{
object resultObject = null;
// Converts to the correct type and gets the result object. Result is usually in ClientStatus
if (result.ResultType == ResultType.Status)
resultObject = ((IFileStatusResult)result).ClientStatus;
else if (result.ResultType == ResultType.Json)
resultObject = ((ICoreResult)result).ResultObject;
// Create Json result from the returned client plugin specific file metadata.
if ((resultObject != null) && (result.Exception == null))
return new JsonResult()
{
Data = resultObject,
ContentType = result.ContentType,
ContentEncoding = System.Text.Encoding.UTF8,
MaxJsonLength = Int32.MaxValue,
RecursionLimit = null,
JsonRequestBehavior = JsonRequestBehavior.AllowGet
};
// A HttpStatusCodeResult result is returned on errors or if files not have been modified (304)
return new HttpStatusCodeResult(result.HttpStatusCode);
}
/// <summary>
/// Handles file data (bytes) if Backload is configured to handle file requests (e.g. thumbsUrlPattern)
/// </summary>
/// <param name="result">A IFileDataResult object with file data (bytes).</param>
/// <returns>FileContentResult instance or a http HttpStatusCodeResult to send an http status</returns>
public static ActionResult Create(IFileDataResult result)
{
// Create a new FileContentResult from the returned file data.
if ((result.FileData != null) && (result.Exception == null))
return new FileContentResult(result.FileData, result.ContentType);
// A HttpStatusCodeResult result is returned on errors or if files not have been modified (304)
return new HttpStatusCodeResult(result.HttpStatusCode);
}
}
}