public async Task <IActionResult> Publish()
{
IQueryable <CreativeCommons> creativeCommons = _context.CreativeCommons;
ArtworkPublishViewModel viewModel = new ArtworkPublishViewModel
{
CreativeCommons = await creativeCommons.ToListAsync()
};
return(View(viewModel));
}
public async Task <IActionResult> Publish([Bind("Artwork, Document, Tags, ArtworkTag, File, CreativeCommonsId")] ArtworkPublishViewModel viewModel)
{
// Reinitialisation
IQueryable <CreativeCommons> creativeCommons = _context.CreativeCommons;
viewModel.CreativeCommons = await creativeCommons.ToListAsync();
if (ModelState.IsValid)
{
// FILE UPLOAD
string uniqueFileName = null;
if (viewModel.File != null)
{
// Verifications content-type, mime-type, scripting etc
bool isPicture = FormFileExtensions.IsPicture(viewModel.File, out string errorImage);
bool isAudio = FormFileExtensions.IsAudio(viewModel.File, out string errorAudio);
bool isPdf = FormFileExtensions.IsPDF(viewModel.File, out string errorPdf);
string folder = null;
if (isPicture)
{
folder = "artworks/picture/";
}
else if (isAudio)
{
folder = "artworks/audio/";
}
else if (isPdf)
{
folder = "artworks/pdf/";
}
string uploadsFolder = Path.Combine(_hostingEnv.WebRootPath, folder);
uniqueFileName = Guid.NewGuid().ToString() + "_" + viewModel.File.FileName;
string filePath = Path.Combine(uploadsFolder, uniqueFileName);
try
{
viewModel.File.CopyTo(new FileStream(filePath, FileMode.Create));
}
catch (Exception e)
{
ModelState.AddModelError("error", $"An unexpected error occurred : + {e.Message}");
}
// Creating thumbnails for pic
if (isPicture)
{
string uploadsThumbnailAvatarFolder = Path.Combine(_hostingEnv.WebRootPath, "artworks/picture/thumbnails");
string thumbnailFilePath = Path.Combine(uploadsThumbnailAvatarFolder, uniqueFileName);
Image image = Image.FromStream(viewModel.File.OpenReadStream(), true, true);
double ratio = 200 * 1.0 / image.Width;
int newHeight = (int)Math.Floor(image.Height * ratio);
var newImage = new Bitmap(200, newHeight);
using var thumbnail = Graphics.FromImage(newImage);
thumbnail.CompositingQuality = CompositingQuality.HighSpeed;
thumbnail.InterpolationMode = InterpolationMode.HighQualityBicubic;
thumbnail.CompositingMode = CompositingMode.SourceCopy;
thumbnail.DrawImage(image, 0, 0, 200, newHeight);
newImage.Save(thumbnailFilePath);
}
}
// SEO-friendly URL
SlugHelper helper = new SlugHelper();
string normalizedTitle = helper.GenerateSlug(viewModel.Artwork.Title);
Artwork artworkToAdd = new Artwork
{
Title = viewModel.Artwork.Title,
NormalizedTitle = normalizedTitle,
Description = viewModel.Artwork.Description,
CreationDate = DateTime.Now,
ReleaseDate = viewModel.Artwork.ReleaseDate,
Privacy = viewModel.Artwork.Privacy,
CCLicense = await _context.CreativeCommons.FirstAsync(x => x.CreativeCommonsId == viewModel.CreativeCommonsId),
Category = viewModel.Artwork.Category,
IsDerivating = viewModel.Artwork.IsDerivating,
LinkDerivating = viewModel.Artwork.LinkDerivating,
LicenseDerivating = viewModel.Artwork.LicenseDerivating,
AuthorDerivating = viewModel.Artwork.AuthorDerivating,
Artist = await _userManager.GetUserAsync(User)
};
Document documentToAdd = new Document
{
Media = viewModel.Document.Media,
FilePath = uniqueFileName,
ContentType = viewModel.File.ContentType.ToLower(),
Artwork = artworkToAdd
};
_context.Add(artworkToAdd);
_context.Add(documentToAdd);
// Tag and linking many-to-many
char[] delimiterChars = { ',', '.', ';' };
string[] tags = viewModel.Tags.Name.Split(delimiterChars);
foreach (string tag in tags)
{
Tag tagToAdd = new Tag {
Name = tag
};
ArtworkTag artworkTagToAdd = new ArtworkTag {
Artwork = artworkToAdd, Tag = tagToAdd
};
_context.Add(tagToAdd);
_context.Add(artworkTagToAdd);
}
await _context.SaveChangesAsync();
// We redirect on the new artwork page then
return(RedirectToAction(nameof(Index), new { userName = _userManager.GetUserName(User), title = normalizedTitle }));
}
return(View(viewModel));
}
