public IActionResult Update([FromRoute] long id)
{
var userId = User.FindFirst(ClaimTypes.NameIdentifier).Value;
var sticker = _dbContext.Stickers.Include(m => m.StickerTags).ThenInclude(m => m.Tag).FirstOrDefault(m => m.User.Id == userId && m.Id == id);
if (sticker == null)
{
return(NotFound());
}
var tags = string.Empty;
if (sticker.StickerTags.Any())
{
tags = sticker.StickerTags.Select(m => m.Tag.Name).Aggregate((x, y) => x + "," + y);
}
var viewModel = new EditStickerViewModel
{
Id = sticker.Id,
Credits = sticker.Credits,
Description = sticker.Description,
Height = sticker.Height,
Width = sticker.Width,
Quantity = sticker.Quantity,
Title = sticker.Title,
Tags = tags
};
return(View("Edit", viewModel));
}
public async Task <IActionResult> UpdateSticker([FromRoute] long id, EditStickerViewModel viewModel)
{
if (!ModelState.IsValid)
{
throw new Exception("Not valid");
}
var userId = User.FindFirst(ClaimTypes.NameIdentifier).Value;
var user = _dbContext.Users.First(m => m.Id == userId);
var sticker = _dbContext.Stickers.Include(m => m.StickerTags).ThenInclude(m => m.Tag).FirstOrDefault(m => m.Id == id && m.User.Id == userId);
if (sticker == null)
{
return(NotFound());
}
if (string.IsNullOrEmpty(viewModel.Title))
{
return(BadRequest());
}
if (string.IsNullOrEmpty(viewModel.Description))
{
return(BadRequest());
}
if (viewModel.Height <= 0)
{
return(BadRequest());
}
if (viewModel.Width <= 0)
{
return(BadRequest());
}
if (viewModel.Quantity <= 0)
{
return(BadRequest());
}
if (viewModel.Credits <= 0)
{
return(BadRequest());
}
var tags = viewModel.Tags.Split(',').Select(m => m.ToLower());
var existingTags = _dbContext.Tags.Where(m => tags.Contains(m.Name));
var newTags = new List <Tag>();
foreach (var tag in tags.Where(m => !existingTags.Any(x => x.Name.Equals(m))))
{
var newTag = new Tag
{
Name = tag
};
newTags.Add(newTag);
_dbContext.Add(newTag);
}
var allTags = existingTags.Concat(newTags);
if (viewModel.Quantity > 0)
{
user.Credits += viewModel.Quantity - sticker.Quantity;
}
sticker.Height = viewModel.Height;
sticker.Width = viewModel.Width;
sticker.Description = viewModel.Description;
sticker.Title = viewModel.Title;
sticker.Quantity = viewModel.Quantity;
sticker.Credits = viewModel.Credits;
if (viewModel.Image != null)
{
sticker.BlobMediaType = viewModel.Image.ContentType;
using (var memoryStream = new MemoryStream())
{
await viewModel.Image.CopyToAsync(memoryStream);
sticker.Blob = memoryStream.ToArray();
}
ResizeImage(sticker);
}
_dbContext.StickerTags.RemoveRange(sticker.StickerTags);
foreach (var tag in allTags)
{
var stickerTag = new StickerTag
{
Tag = tag,
Sticker = sticker
};
_dbContext.Add(stickerTag);
}
await _dbContext.SaveChangesAsync();
return(RedirectToAction("Index", new { id = sticker.Id }));
}
