public string CloudUploadEdit(Course course)
{
if (HandleFileUpload(ref course))
{
var courseCurrentPicture = db.Courses.Select(x => x.PictureUrl);
var array = courseCurrentPicture.ToArray();
var lastElement = array[array.Length - 1];
Account acount = new Account("gigantor", "986286566519458", "GT87e1BTMnfLut1_gXhSH0giZPg");
Cloudinary cloudinary = new Cloudinary(acount);
if (lastElement != null && course.PictureUrl.StartsWith("http://res.cloudinary.com/gigantor/image/upload/")) //this block of code deletes the previous image if the user had one
{
//this here is just a string manipulation to get to the ImageID from cloudinary
string assist = "http://res.cloudinary.com/gigantor/image/upload/";
string part1 = lastElement.Remove(lastElement.IndexOf(assist), assist.Length);
string part2 = part1.Remove(0, 12);
string toDelete = part2.Remove(part2.Length - 4);
cloudinary.DeleteResources(toDelete); //this finally deletes the image
}
course.PictureUrl = CloudinaryUpload(course);
return course.PictureUrl;
}
course.PictureUrl = "http://res.cloudinary.com/gigantor/image/upload/v1441017337/wwgb50xuqulq7utflsjo.gif";
return course.PictureUrl;
}
public string CloudUploadCreate(Course course)
{
if (HandleFileUpload(ref course))
{
course.PictureUrl = CloudinaryUpload(course);
return course.PictureUrl;
}
course.PictureUrl = "http://res.cloudinary.com/gigantor/image/upload/v1441017337/wwgb50xuqulq7utflsjo.gif";
return course.PictureUrl;
}
/// <summary>
/// Method for uploading image from local host to cloudinary
/// </summary>
/// <param name="user"></param>
/// <returns>Cloudinary link(string) of uploaded picture</returns>
private string CloudinaryUpload(Course course)
{
var cloudPath = System.Web.Hosting.HostingEnvironment.MapPath(course.PictureUrl);
Account acount = new Account("gigantor", "986286566519458", "GT87e1BTMnfLut1_gXhSH0giZPg");
Cloudinary cloudinary = new Cloudinary(acount);
var uploadParams = new ImageUploadParams()
{
File = new FileDescription(cloudPath)
};
var uploadResult = cloudinary.Upload(uploadParams);
string n = uploadResult.Uri.AbsoluteUri;
return course.PictureUrl = n;
}
/// <summary>
/// Method for uploading images from local host (and securing that only images can be uploaded)
/// </summary>
/// <param name="user"></param>
/// <returns>True or false, depending if the file has right extensions (in this case image extensions)</returns>
private bool HandleFileUpload(ref Course course)
{
string filePath = @"~/Content/2.png";
if (System.Web.HttpContext.Current.Request.Files.Count > 0)
{
var file = System.Web.HttpContext.Current.Request.Files[0];
if (file.ContentLength > 0 && _allowedTypes.Contains(file.ContentType))
{
try
{
using (var bitmap = new Bitmap(file.InputStream))
{
}
}
catch
{
ModelState.AddModelError("ImageUrl", "File type not supported");
return false;
}
string fileName = Path.GetFileName(file.FileName);
filePath = Path.Combine("~/Content", fileName);
string fullPath = Path.Combine(System.Web.Hosting.HostingEnvironment.MapPath(@"~/Content/"), fileName);
file.SaveAs(fullPath);
course.PictureUrl = filePath;
}
else
{
if (file.ContentLength > 0 && !_allowedTypes.Contains(file.ContentType))
{
ModelState.AddModelError("ImageUrl", "File type not supported");
return false;
}
}
if (course.PictureUrl == null)
{
course.PictureUrl = @"~/Content/2.png";
}
}
return true;
}