public async Task <ActionResult <CaffItemDetailsDto> > AddCaffItem([FromForm] AddCaffItemDto addCaffItem)
{
var response = await _caffItemService.AddCaffItemAsync(addCaffItem);
return(CreatedAtAction(nameof(GetCaffItem), new { caffItemId = response.Id }, response));
}
public async Task <CaffItemDetailsDto> AddCaffItemAsync(AddCaffItemDto caffItem)
{
var parseResult = await CaffParser.ParseCaffFileAsync(caffItem.CaffFile.OpenReadStream());
if (!parseResult.Succeeded)
{
throw new CaffStoreBusinessException(parseResult.Message);
}
var caffData = _mapper.Map <CaffData>(parseResult.Result);
// Get all tags
var parsedTags = caffData.Animations.Select(a => a.CiffData.Tags).SelectMany(t => t).ToList();
var tagStrings = parsedTags.Select(t => t.Tag.Text).ToHashSet();
// Prefetch existing tags
var existingTags = await _context
.Tags
.Where(t => tagStrings.Contains(t.Text))
.ToListAsync();
// If a tag is already in the database, do not store again, only set reference
foreach (var parsedTag in parsedTags)
{
var existingTag = existingTags
.FirstOrDefault(t => t.Text == parsedTag.Tag.Text);
if (existingTag == null)
{
existingTags.Add(parsedTag.Tag);
}
else
{
parsedTag.Tag = existingTag;
}
}
Guid caffFileId = await _fileService.UploadFileAsync(caffItem.CaffFile.OpenReadStream(), ".caff", FileType.Caff);
Guid previewFileId;
await using (var previewStream = new MemoryStream())
{
parseResult.Preview.Save(previewStream, ImageFormat.Png);
previewStream.Position = 0;
previewFileId = await _fileService.UploadFileAsync(previewStream, ".png", FileType.Preview);
}
var caffItemEntity = new CaffItem
{
Title = caffItem.Title,
Description = caffItem.Description,
CaffFileId = caffFileId,
PreviewFileId = previewFileId,
CaffData = caffData,
DownloadedTimes = 0,
};
_context.CaffItems.Add(caffItemEntity);
await _context.SaveChangesAsync();
return(await GetCaffItemAsync(caffItemEntity.Id));
}
