// called when the user clicks the images link for the listing
public ActionResult EditImages(int listingId)
{
// return the editlistingsImages partial view
EditListingImagesViewModel model = new EditListingImagesViewModel(listingId);
return(View("_EditListingImages", model));
}
// called when user clicks delete linke in editImages partial
public ActionResult Delete(int id)
{
CoreysListEntities db = new CoreysListEntities();
// get reference to image
CoreysList.Entity.Image imgToDelete = db.Images.FirstOrDefault(i => i.ImageID == id);
// get the listing associated with the image
int listingId = imgToDelete.ListingID;
// remove row from table and save
db.Images.Remove(imgToDelete);
db.SaveChanges();
// return partial
EditListingImagesViewModel editListingImagesViewModel = new EditListingImagesViewModel(listingId);
return(PartialView("~/views/Accounts/_EditListingImages.cshtml", editListingImagesViewModel));
}
// 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));
}