private readonly VideoRepositoryOptions _videoRepositoryOptions; //Video repostiroy settings
/// <summary>
/// Caching system for streaming video files.
/// </summary>
/// <param name="fso">FileStoreOptions</param>
/// <param name="vro">VideoRepositoryOptions</param>
public StreamCache(FileStoreOptions fso, VideoRepositoryOptions vro)
{
_fileStoreOptions = fso;
_videoRepositoryOptions = vro;
_cachedVideos = new ConcurrentDictionary <Guid, byte[]>();
_cacheTimeout = new ConcurrentDictionary <Guid, Timer>();
}
protected override ValidationResult?IsValid(object?value, ValidationContext validationContext)
{
if (!(value is IFormFile file))
{
return(new ValidationResult("File is required"));
}
FileStoreOptions options = validationContext.GetRequiredService <IOptions <FileStoreOptions> >().Value;
long maxFileSizeInBytes = (long)options.MaximumFileSize.Megabytes().Bytes;
if (file.Length > maxFileSizeInBytes)
{
string actualSize = file.Length.Bytes().Humanize("MB");
string maximumSize = options.MaximumFileSize.Megabytes().ToString("MB");
return(new ValidationResult($"The file is too large, it is {actualSize} but the maximum allowed size {maximumSize}"));
}
return(ValidationResult.Success);
}
public StreamContent(ApplicationDbContext dbContext)
{
_dbContext = dbContext;
_fileStore = OptionsFactory.GetFileStoreOptions();
}
public static void Main(string[] args)
{
_connectionString = OptionsFactory.GetConnectionString(); //Get connection string options
_fileStoreOptions = OptionsFactory.GetFileStoreOptions(); //Get file store options
_dbContext = new ApplicationDbContext( //Create database context
new DbContextOptionsBuilder <ApplicationDbContext>()
.UseSqlServer(_connectionString.DefaultConnection).Options);
//Fill default picture data
using (FileStream fs = new FileStream("NoPicture.png", FileMode.Open, FileAccess.Read))
{
using (MemoryStream ms = new MemoryStream())
{
fs.CopyTo(ms);
_defaultImagedata = ms.ToArray();
}
}
bool error = false; //If an error was thrown.
InitializeFileSystem(); //Make folders if they don't exist.
var filenames = Directory.GetFiles(_fileStoreOptions.DumpPath);
if (filenames.Length == 0)
{
System.Diagnostics.Debug.WriteLine("No new files to add.");
return;
}
foreach (var fp in filenames) //Create DB entries and copy files to correct locations.
{
try
{
CopyFileToMediaLibrary(fp);
}
catch (UnsupportedFileException ex) //If unsupported type move to rejected path.
{
var adminMessage = CreateAdminMessage(string.Format("Failed to add {0} to database. File type {1} incompatible.", ex.FileName, ex.MediaType), ErrorStatus.error);
_dbContext.AdminMessages.Add(adminMessage);
//Rejected path
string rejectpath = Path.Combine(_fileStoreOptions.RejectedPath, Path.GetFileName(fp));
//Move rejected file
File.Move(fp, rejectpath);
error = true;
continue;
}
catch (Exception ex) //Halt program if other error.
{
var adminMessage = CreateAdminMessage(string.Format("ContentScanner failed with the following error: {0}", ex.Message), ErrorStatus.error);
_dbContext.AdminMessages.Add(adminMessage);
error = true;
throw ex;
}
}
if (error)
{
System.Diagnostics.Debug.WriteLine("Process ended with errors."); //Report program ended with errors.
}
else
{
System.Diagnostics.Debug.WriteLine("Process ended successfully."); //Report program ended without errors.
}
}
public FileStoreFileProviderFactory(IWebHostEnvironment hostingEnvironment, IOptions <FileStoreOptions> fileStoreOptions)
{
this._hostingEnvironment = hostingEnvironment;
this._fileStoreOptions = fileStoreOptions.Value;
}