public string GetFilePath(string fileName, string dir = "Documents")
{
var s3file = new AwsS3Helper(Database.Configuration);
var presignedUrl = s3file.GeneratePreSignedURLFromS3(dir, fileName);
return(presignedUrl);
}
public ActionResult Edit(Image model, HttpPostedFileBase newImage)
{
if (ModelState.IsValid)
{
var image = db.Images.Find(model.ID);
if (image == null)
{
return(new HttpNotFoundResult());
}
// S3 credentials
var s3BktName = ConfigurationManager.AppSettings["S3BucketName"];
var s3AccessKey = ConfigurationManager.AppSettings["AWSAccessKeyId"];
var s3SecretAccessKey = ConfigurationManager.AppSettings["AWSSecretAccessKey"];
var s3Region = ConfigurationManager.AppSettings["AWSRegion"];
var s3FolderName = "Test";
var s3ObjectKey = s3FolderName + "/" + Path.GetFileName(newImage.FileName);
var awsS3Helper = new AwsS3Helper();
if (awsS3Helper.ConnectS3(s3AccessKey, s3SecretAccessKey, s3Region))
{
// Delete the existing image first
awsS3Helper.DeleteS3Object(image.ImagePathS3, s3BktName, null);
awsS3Helper.UploadS3File(s3ObjectKey, s3BktName, newImage.ContentType, newImage.InputStream);
}
string filePath = GetPartialFilePath(newImage);
var oldImagePath = image.ImagePath;
// Saving in DB
image.ImageTitle = Path.GetFileNameWithoutExtension(newImage.FileName);
image.ImagePath = filePath;
image.ImagePathS3 = s3ObjectKey;
image.OriginalFileName = Path.GetFileName(newImage.FileName);
db.Entry(image).State = EntityState.Modified;
db.SaveChanges();
// Delete existing file
string sFName = HttpContext.Server.MapPath(oldImagePath);
System.IO.File.Delete(sFName);
// Saving in physical location
filePath = Server.MapPath(filePath);
newImage.SaveAs(filePath);
return(RedirectToAction("Index"));
}
return(View());
}
public async Task <string> Save(IFormFile file, string dir = "Documents")
{
if (file == null || file.Length == 0)
{
return(String.Empty);
}
var filePath = Path.GetTempFileName();
using (var stream = new FileStream(filePath, FileMode.Create))
{
await file.CopyToAsync(stream);
}
var fileType = file.ContentType.Split('/').Last();
var fileName = ShortId.Generate(true, false, 8) + "." + fileType;
var s3file = new AwsS3Helper(Database.Configuration);
try
{
s3file.SaveFileToS3(filePath, dir, fileName);
}
catch (Exception ex)
{
throw ex;
}
// Validate url
// var presignedUrl = s3file.GeneratePreSignedURLFromS3(dir, fileName);
// read file to double check file is uploaded to S3
if (!await s3file.ValidateFileSizeFromS3(dir, fileName, file.Length))
{
throw new Exception("Upload failed, file size exception");
}
var storage = new FileStorage
{
OriginalFileName = file.FileName,
ConvertedFileName = fileName,
Size = file.Length,
ContentType = file.ContentType,
Directory = dir,
UserId = userId
};
dc.DbTran(() => {
dc.Table <FileStorage>().Add(storage);
});
return(storage.Id);
}
public JsonResult Create(string additionInfo)
{
if (Request.Files.Count > 0)
{
// S3 credentials
var s3BktName = ConfigurationManager.AppSettings["S3BucketName"];
var s3AccessKey = ConfigurationManager.AppSettings["AWSAccessKeyId"];
var s3SecretAccessKey = ConfigurationManager.AppSettings["AWSSecretAccessKey"];
var s3Region = ConfigurationManager.AppSettings["AWSRegion"];
var s3FolderName = "Test";
var s3ObjectKey = s3FolderName + "/";
var awsS3Helper = new AwsS3Helper();
var s3Connected = awsS3Helper.ConnectS3(s3AccessKey, s3SecretAccessKey, s3Region) && awsS3Helper.CreateFolder(s3BktName, s3FolderName);
// Get all files from Request object
HttpFileCollectionBase files = Request.Files;
for (int i = 0; i < files.Count; i++)
{
HttpPostedFileBase file = files[i];
// Saving S3
if (s3Connected)
{
s3ObjectKey += Path.GetFileName(file.FileName);
awsS3Helper.UploadS3File(s3ObjectKey, s3BktName, file.ContentType, file.InputStream);
}
string filePath = GetPartialFilePath(file);
//Adding database Entry
var image = new Image
{
ImageTitle = Path.GetFileNameWithoutExtension(file.FileName),
ImagePath = filePath,
ImagePathS3 = s3ObjectKey,
OriginalFileName = Path.GetFileName(file.FileName)
};
db.Images.Add(image);
filePath = Server.MapPath(filePath);
file.SaveAs(filePath);
}
db.SaveChanges();
return(Json(new { Message = "Images uploaded successfully." }));
}
return(Json(new { Message = "Please select atleast image first." }));
}
public async Task <string> FileUpload(BucketFolder bucketFolder, IFormFile file)
{
if (file != null)
{
AwsS3Helper s3 = new AwsS3Helper(Configuration);
List <string> path = new List <string>
{
Enum.GetName(typeof(BucketFolder), bucketFolder),
DateTime.Now.Year.ToString(),
DateTime.Now.Day.ToString()
};
var s3path = await s3.UploadFileToS3(file, path);
return("https://" + Configuration.GetValue <string>("S3Details:BucketName") + "." + Configuration.GetValue <string>("S3Details:BucketUrl") + "/" + s3path);
}
return(string.Empty);
}
public ActionResult DeleteConfirmed(int id)
{
Image img = db.Images.Find(id);
if (img == null)
{
return(HttpNotFound());
}
// remove the file from disk...
try
{
string sFName = HttpContext.Server.MapPath(img.ImagePath);
System.IO.File.Delete(sFName);
}
catch (Exception exc)
{
throw new HttpException(500, exc.Message);
}
// Remove file from S3
// S3 Related works
var s3BktName = ConfigurationManager.AppSettings["S3BucketName"];
var s3AccessKey = ConfigurationManager.AppSettings["AWSAccessKeyId"];
var s3SecretAccessKey = ConfigurationManager.AppSettings["AWSSecretAccessKey"];
var s3Region = ConfigurationManager.AppSettings["AWSRegion"];
var awsS3Helper = new AwsS3Helper();
if (awsS3Helper.ConnectS3(s3AccessKey, s3SecretAccessKey, s3Region))
{
awsS3Helper.DeleteS3Object(img.ImagePathS3, s3BktName, null);
}
// Saving database entry
db.Images.Remove(img);
db.SaveChanges();
return(RedirectToAction("Index"));
}
public ActionResult Details(int id)
{
var image = db.Images.Find(id);
if (image == null)
{
return(new HttpNotFoundResult());
}
//Retrieving Images from S3
var s3BktName = ConfigurationManager.AppSettings["S3BucketName"];
var s3AccessKey = ConfigurationManager.AppSettings["AWSAccessKeyId"];
var s3SecretAccessKey = ConfigurationManager.AppSettings["AWSSecretAccessKey"];
var s3Region = ConfigurationManager.AppSettings["AWSRegion"];
var awsS3Helper = new AwsS3Helper();
if (awsS3Helper.ConnectS3(s3AccessKey, s3SecretAccessKey, s3Region, s3BktName))
{
image.ImagePathS3 = awsS3Helper.GetS3FileUrl(image.ImagePathS3);
}
return(View(image));
}
