public async Task <string> FileAsync(IFormFile file)
{
if (file != null)
{
if (file.Length > 35000000)
{
throw new UserFriendlyException("Subtitles file too big!");
}
else if (file.Length > 0)
{
try
{
var stream = file.OpenReadStream();
var words = _parser.ParseUnigueWordsInFile(new Material(), new StreamReader(stream));
var account = await GetCurrentUserOrNullAsync();
var vocabWords = await _vocabularyService.GetSpecifiedVocabWordsAsync(words, account);
if (words.Count > 0)
{
var response = new ParseResponseDto {
Words = words, VocabWords = vocabWords
};
return(ApiJsonSerializer.Serialize(response));
}
}
catch (Exception ex)
{
Trace.TraceError(ex.ToString());
throw new UserFriendlyException("Server error. Please try again later.");
}
}
}
else
{
throw new UserFriendlyException("Empty subtitles file!");
}
throw new UserFriendlyException("Server error. Please try again later.");
}
/// <summary>Creates material with the specified attributes.</summary>
/// <param name="subtitlesStream">Subtitles file stream.</param>
/// <param name="imageStream">Image file stream.</param>
/// <param name="mimeType">Mime type of image.</param>
/// <param name="type">Material type <see cref="MaterialType"/>.</param>
/// <param name="name">Name of the material.</param>
/// <param name="description">Description of the material.</param>
/// <param name="userId">Owner Id.</param>
/// <param name="width">Material image width.</param>
/// <param name="height">Material image height.</param>
/// <returns>Created material by specific attributes.</returns>
public Material CreateMaterial(Stream subtitlesStream, Stream imageStream, string mimeType,
MaterialType type, string name, string description, int userId, int width, int height)
{
//TODO: this material exist check
var material = new Material {
Description = description, Name = name, Type = type, MimeType = mimeType
};
using (var streamReader = new StreamReader(subtitlesStream, Encoding.GetEncoding("Windows-1251")))
{
var file = new File {
Path = userId.ToString(), Filename = name, Extension = type.ToString(), FullName = userId + name + type
};
file.Words = _parser.ParseUnigueWordsInFile(file, streamReader);
material.File = file;
}
material.Image = _imageService.CropImage(imageStream, width, height);
material.Owner = _accountService.GetByExternalId(userId);
return(material);
}