private static string GetResizedImagePath(string filepath, int width, int height)
{
string resizedPath = filepath;
if (width > 0 || height > 0)
{
resizedPath = filepath.GetPathForResizedImage(width, height);
if (!Directory.Exists(resizedPath))
Directory.CreateDirectory(new FileInfo(resizedPath).DirectoryName);
var originalFile = new FileInfo(filepath);
var resizedFile = new FileInfo(resizedPath);
if (originalFile.LastWriteTimeUtc > resizedFile.LastWriteTimeUtc)
{
File.Delete(resizedPath);
}
if (!File.Exists(resizedPath))
{
var imageResizer = new ImageResizer(filepath);
if (width > 0 && height > 0)
{
imageResizer.Resize(width, height, ImageEncoding.Jpg90);
}
else if (width > 0)
{
imageResizer.Resize(width, ImageEncoding.Jpg90);
}
imageResizer.SaveToFile(resizedPath);
imageResizer.Dispose();
}
}
return resizedPath;
}
protected override void WriteFile(HttpResponseBase response)
{
var imageRisizer = new ImageResizer(this.FileContents);
int width = _width ?? 0;
int height = _height ?? 0;
if (!_width.HasValue || !_height.HasValue)
{
using (Image originalImage = Image.FromStream(new MemoryStream(this.FileContents)))
{
width = _width ?? originalImage.Width;
height = _width ?? originalImage.Height;
}
}
var resizedImage = imageRisizer.Resize(width, height, true, ImageEncoding.Png);
using (var ms = new MemoryStream(resizedImage))
{
ms.WriteTo(response.OutputStream);
}
}
// called when a user uploads images recieving the listing id
public ActionResult Upload(int id)
{
int listingId = id;
CoreysListEntities db = new CoreysListEntities();
// for each of the requested files
for (int i = 0; i < Request.Files.Count; i++)
{
try
{
// create a new [image]
CoreysList.Entity.Image newImage = new CoreysList.Entity.Image();
// Uploaded file
HttpPostedFileBase file = Request.Files[i];
// Get the size of the file
newImage.ImageSize = file.ContentLength;
// get the file name
newImage.FileName = file.FileName.Substring(file.FileName.LastIndexOf("\\") + 1);
// get the type of file .jpg .gif .png etc..
newImage.ImageType = file.ContentType;
// create a new byte array to fit the content size
byte[] imageData = new byte[file.ContentLength];
// read in the file withe the byte array and content size
file.InputStream.Read(imageData, 0, (int)file.ContentLength);
// reposition the input stream to the beginning
file.InputStream.Position = 0;
// stream the file again into a System.Drawing.Image
System.Drawing.Image sysImg = System.Drawing.Image.FromStream(file.InputStream);
// assign the sizes from system image to coreyslist image
newImage.ImageHeight = sysImg.Height;
newImage.ImageWidth = sysImg.Width;
newImage.ImageContent = imageData;
// create encoding object to send image type
ImageEncoding imgResizerEnc = new ImageEncoding();
// set the values for thumb images
int thumbHeight = 75;
int thumbWidth = 75;
// switch statement to get the content type
switch (file.ContentType)
{
case "image/jpeg":
imgResizerEnc = ImageEncoding.Jpg90;
break;
case "image/gif":
imgResizerEnc = ImageEncoding.Gif;
break;
case "image/png":
imgResizerEnc = ImageEncoding.Png;
break;
}
// create a resizer and send the image content
ImageResizer resizer = new ImageResizer(imageData);
// call the resizer method along with the desired height, width and img type
byte[] thumbData = resizer.Resize(thumbHeight, thumbWidth, imgResizerEnc);
// save the new thumb data for the coreyslist image entity
newImage.ThumbContent = thumbData;
newImage.ThumbSize = thumbData.Length;
newImage.ThumbWidth = thumbWidth;
newImage.ThumbHeight = thumbHeight;
// connect image to the correct listing through listing ID
newImage.ListingID = listingId;
newImage.CreatedDate = DateTime.Now;
newImage.CreatedBy = System.Web.HttpContext.Current.Session["UserId"].ToString();
// To save file, use SaveAs method
db.Images.Add(newImage);
db.SaveChanges();
}
catch (Exception e)
{
throw e;
}
}
// Return partial view
EditListingImagesViewModel editListingImagesViewModel = new EditListingImagesViewModel(listingId);
return PartialView("~/views/Accounts/_EditListingImages.cshtml", editListingImagesViewModel);
}
public JsonResult FileUpload()
{
var retList = new LinkedList<RetJsonModel>();
for (var i = 0; i < Request.Files.Count; i++)
{
var file = Request.Files[i];
if (file == null) continue;
var ret = new RetJsonModel
{
ContentType = file.ContentType,
UserId = Session["LoggedUserID"].ToString()
};
if (ret.ContentType.Contains("image/"))
{
ret.IsAccept = 0;
ret.FileTypeAccept = "yes";
ret.FileName = DateTime.Now.ToString("yyyyMMddHHmmss") + '_' + i + '_' + file.FileName;
if (!string.IsNullOrEmpty(ret.UserId))
{
ret.Url = "/Content/Users/" + ret.UserId + "/" + ret.FileName;
var path = Path.Combine(Server.MapPath("~/Content/Users/" + ret.UserId + ""), ret.FileName);
var stream = file.InputStream;
using (var fileStream = System.IO.File.Create(path))
{
stream.CopyTo(fileStream);
}
var resizer = new ImageResizer(@path);
var thumbtailPath = Path.Combine(Server.MapPath("~/Content/Users/" + ret.UserId + "/thumbtail/"), ret.FileName);
resizer.Resize(400, 400, ImageEncoding.Jpg90);
if (!Directory.Exists(Server.MapPath("~/Content/Users/" + ret.UserId + "/thumbtail/")))
Directory.CreateDirectory(Server.MapPath("~/Content/Users/" + ret.UserId + "/thumbtail/"));
resizer.SaveToFile(@thumbtailPath);
var image = new ImageViewModel();
var imageMetaDate = new ImageMetaData(Server.MapPath(ret.Url));
image.FileName = ret.FileName;
image.UpdateDate = DateTime.Now;
image.UserId = long.Parse(ret.UserId);
image.Url = ret.Url;
image.ContentType = file.ContentType;
_db.Images.Add(image);
imageMetaDate.FetchData();
var metadata = imageMetaDate.GetMetaData();
_db.ImageMetaData.Add(metadata);
_db.SaveChanges();
}
else
{
ret.IsAccept = 1;
ret.Error = "Member Session Expired";
}
}
else
{
ret.IsAccept = 1;
ret.FileName = file.FileName;
ret.Error = "Content Type Deny";
}
retList.AddLast(ret);
}
var javaScriptSerializer = new JavaScriptSerializer();
var jsonString = javaScriptSerializer.Serialize(retList);
return Json(jsonString);
}
public ActionResult UploadImage(int id, HttpPostedFileWrapper upload)
{
string ret;
if (upload != null)
{
if (upload.ContentLength <= 1024 * 1024 * 5)
{
var imageName = DateTime.Now.ToString("yyyyMMddHHmmss") + '_' + upload.FileName;
if (!System.IO.Directory.Exists(Server.MapPath("/Content/Users/" + id)))
{
System.IO.Directory.CreateDirectory(Server.MapPath("/Content/users/" + id));
}
var path = System.IO.Path.Combine(Server.MapPath("/Content/users/" + id), imageName);
var url = "/Content/users/" + id + "/" + imageName;
upload.SaveAs(path);
var resizer = new ImageResizer(@path);
var thumbtailPath = System.IO.Path.Combine(Server.MapPath("~/Content/Users/" + id + "/thumbtail/"), upload.FileName);
resizer.Resize(400, 400, ImageEncoding.Jpg90);
if (!System.IO.Directory.Exists(Server.MapPath("~/Content/Users/" + id + "/thumbtail/")))
System.IO.Directory.CreateDirectory(Server.MapPath("~/Content/Users/" + id + "/thumbtail/"));
resizer.SaveToFile(@thumbtailPath);
var image = new ImageViewModel();
var imageMetaDate = new ImageMetaData(Server.MapPath(image.Url));
imageMetaDate.FetchData();
var metadata = imageMetaDate.GetMetaData();
image.ContentType = upload.ContentType;
image.UpdateDate = DateTime.Now;
image.UserId = long.Parse(Session["LoggedUserID"].ToString());
image.Url = url;
image.FileName = imageName;
_db.Images.Add(image);
_db.ImageMetaData.Add(metadata);
_db.SaveChanges();
ret = url;
}
else
{
ret = "<p style=\"color:red\">image exceed the maximum 5MB</p>";
}
}
else
{
ret = "<p style=\"color:red\">image is empty</p>";
}
return Content(ret);
}
