public async Task <IActionResult> UploadPhotos(ICollection <IFormFile> files)
{
if (Request.Form.Files.Count <= 0)
{
return(BadRequest("No Files"));
}
// Only care about the first file
var file = Request.Form.Files[0];
//AuthorizationResult ar = await _authorizationService.AuthorizeAsync(User, file, "FileSizeRequirementPolicy");
//if (ar.Succeeded)
//{
//}
//else
//{
// return BadRequest("File Size is not correct");
//}
var usrName = User.FindFirst(c => c.Type == "sub").Value;
Int32 minSize = 0, maxSize = 0; Boolean allowUpload = false;
using (SqlConnection conn = new SqlConnection(Startup.DBConnectionString))
{
await conn.OpenAsync();
String cmdText = @"SELECT [UploadFileMinSize],[UploadFileMaxSize],[PhotoUpload]
FROM [dbo].[UserDetail] WHERE [UserID] = N'" + usrName + "'";
SqlCommand cmdUserRead = new SqlCommand(cmdText, conn);
SqlDataReader usrReader = await cmdUserRead.ExecuteReaderAsync();
if (usrReader.HasRows)
{
usrReader.Read();
if (!usrReader.IsDBNull(0))
{
minSize = usrReader.GetInt32(0);
}
if (!usrReader.IsDBNull(1))
{
maxSize = usrReader.GetInt32(1);
}
if (!usrReader.IsDBNull(2))
{
allowUpload = usrReader.GetBoolean(2);
}
}
usrReader.Close();
usrReader = null;
cmdUserRead.Dispose();
cmdUserRead = null;
}
if (!allowUpload || maxSize == 0 || maxSize <= minSize)
{
return(StatusCode(400, "User has no authoirty or wrongly set!"));
}
// if (file.Length)
var fileSize = file.Length / 1024;
if (maxSize >= fileSize && minSize <= fileSize)
{
// Succeed
}
else
{
return(StatusCode(400, "Wrong size!"));
}
var rst = new PhotoViewModelEx(true);
var filename1 = file.FileName;
var idx1 = filename1.LastIndexOf('.');
var fileext = filename1.Substring(idx1);
rst.PhotoId = Guid.NewGuid().ToString("N");
rst.FileUrl = rst.PhotoId + fileext;
rst.ThumbnailFileUrl = rst.PhotoId + ".thumb" + fileext;
await AnalyzeFile(file, Path.Combine(Startup.UploadFolder, rst.PhotoId + fileext), Path.Combine(Startup.UploadFolder, rst.PhotoId + ".thumb" + fileext), rst, usrName);
return(new JsonResult(rst));
}
private async Task <IActionResult> AnalyzeFile(IFormFile ffile, String filePath, String thmFilePath, PhotoViewModelEx updrst, String usrName)
{
Boolean bThumbnailCreated = false;
using (var fileStream = new FileStream(filePath, FileMode.Create))
{
await ffile.CopyToAsync(fileStream);
try
{
ExifToolWrapper wrap = new ExifToolWrapper();
wrap.Run(filePath);
foreach (var item in wrap)
{
#if DEBUG
System.Diagnostics.Debug.WriteLine("{0}, {1}, {2}", item.group, item.name, item.value);
#endif
if (item.group == "EXIF" || item.group == "Composite" || item.group == "XMP")
{
updrst.ExifTags.Add(item);
}
}
}
catch (Exception exp)
{
#if DEBUG
System.Diagnostics.Debug.WriteLine(exp.Message);
#endif
_logger.LogError(exp.Message);
}
try
{
using (MagickImage image = new MagickImage(filePath))
{
updrst.Width = image.Width;
updrst.Height = image.Height;
// Retrieve the exif information
ExifProfile profile = image.GetExifProfile();
if (profile != null)
{
using (MagickImage thumbnail = profile.CreateThumbnail())
{
// Check if exif profile contains thumbnail and save it
if (thumbnail != null)
{
thumbnail.Write(thmFilePath);
updrst.ThumbWidth = thumbnail.Width;
updrst.ThumbHeight = thumbnail.Height;
bThumbnailCreated = true;
}
}
}
if (!bThumbnailCreated)
{
MagickGeometry size = new MagickGeometry(256, 256);
// This will resize the image to a fixed size without maintaining the aspect ratio.
// Normally an image will be resized to fit inside the specified size.
size.IgnoreAspectRatio = false;
image.Resize(size);
updrst.ThumbWidth = image.Width;
updrst.ThumbHeight = image.Height;
// Save the result
image.Write(thmFilePath);
}
}
}
catch (Exception exp)
{
#if DEBUG
System.Diagnostics.Debug.WriteLine(exp.Message);
#endif
_logger.LogError(exp.Message);
updrst.success = false;
updrst.error = exp.Message;
}
}
updrst.OrgFileName = ffile.FileName;
updrst.UploadedTime = DateTime.Now;
updrst.IsOrgThumbnail = bThumbnailCreated;
updrst.UploadedBy = usrName;
return(Json(true));
}
