public Task <bool> IsReferenceAllowedAsync(UserId requester, Shared.FileId fileId)
{
requester.AssertNotNull("requester");
fileId.AssertNotNull("fileId");
return(this.fileOwnership.IsOwnerAsync(requester, fileId));
}
public CreateThumbnailsMessage(
Fifthweek.Api.FileManagement.Shared.FileId fileId,
System.String containerName,
System.String inputBlobName,
System.Collections.Generic.List <Fifthweek.WebJobs.Thumbnails.Shared.ThumbnailDefinition> items,
System.Boolean overwrite)
{
if (fileId == null)
{
throw new ArgumentNullException("fileId");
}
if (containerName == null)
{
throw new ArgumentNullException("containerName");
}
if (inputBlobName == null)
{
throw new ArgumentNullException("inputBlobName");
}
if (overwrite == null)
{
throw new ArgumentNullException("overwrite");
}
this.FileId = fileId;
this.ContainerName = containerName;
this.InputBlobName = inputBlobName;
this.Items = items;
this.Overwrite = overwrite;
}
public async Task <FileWaitingForUpload> ExecuteAsync(Shared.FileId fileId)
{
fileId.AssertNotNull("fileId");
using (var connection = this.connectionFactory.CreateConnection())
{
var items = await connection.QueryAsync <File>(
string.Format(
@"SELECT {1}, {2}, {3}, {4} FROM Files WHERE {0}=@FileId",
File.Fields.Id,
File.Fields.UserId,
File.Fields.FileNameWithoutExtension,
File.Fields.FileExtension,
File.Fields.Purpose),
new { FileId = fileId.Value });
var result = items.SingleOrDefault();
if (result == null)
{
throw new InvalidOperationException("The file " + fileId + " couldn't be found.");
}
return(new FileWaitingForUpload(fileId, new UserId(result.UserId), result.FileNameWithoutExtension, result.FileExtension, result.Purpose));
}
}
public async Task AssertReferenceAllowedAsync(UserId requester, Shared.FileId fileId)
{
requester.AssertNotNull("requester");
fileId.AssertNotNull("fileId");
var isUsageAllowed = await this.IsReferenceAllowedAsync(requester, fileId);
if (!isUsageAllowed)
{
throw new UnauthorizedException("The user " + requester.Value + " does not have permission to reference file " + fileId.Value);
}
}
public async Task ExecuteAsync(
Shared.FileId fileId,
UserId userId,
ChannelId channelId,
string fileNameWithoutExtension,
string fileExtension,
string purpose,
DateTime timeStamp)
{
fileId.AssertNotNull("fileId");
userId.AssertNotNull("userId");
fileNameWithoutExtension.AssertNotNull("fileNameWithoutExtension");
fileExtension.AssertNotNull("fileExtension");
purpose.AssertNotNull("purpose");
if (fileNameWithoutExtension.Length > File.MaximumFileNameLength)
{
fileNameWithoutExtension = fileNameWithoutExtension.Substring(0, File.MaximumFileNameLength);
}
if (fileExtension.Length > File.MaximumFileExtensionLength)
{
fileExtension = fileExtension.Substring(0, File.MaximumFileExtensionLength);
}
var file = new File(
fileId.Value,
userId.Value,
channelId == null ? (Guid?)null : channelId.Value,
FileState.WaitingForUpload,
timeStamp,
null,
null,
null,
null,
fileNameWithoutExtension,
fileExtension,
0L,
purpose,
null,
null);
using (var connection = this.connectionFactory.CreateConnection())
{
await connection.InsertAsync(file);
}
}
public OrphanedFileData(
Fifthweek.Api.FileManagement.Shared.FileId fileId,
Fifthweek.Api.Channels.Shared.ChannelId channelId,
System.String purpose)
{
if (fileId == null)
{
throw new ArgumentNullException("fileId");
}
if (purpose == null)
{
throw new ArgumentNullException("purpose");
}
this.FileId = fileId;
this.ChannelId = channelId;
this.Purpose = purpose;
}
public async Task ExecuteAsync(Shared.FileId fileId, long blobSize, DateTime timeStamp)
{
fileId.AssertNotNull("fileId");
var newFile = new File
{
State = FileState.UploadComplete,
UploadCompletedDate = timeStamp,
BlobSizeBytes = blobSize,
Id = fileId.Value,
};
using (var connection = this.connectionFactory.CreateConnection())
{
await connection.UpdateAsync(
newFile,
File.Fields.State | File.Fields.UploadCompletedDate | File.Fields.BlobSizeBytes);
}
}
public async Task <bool> IsOwnerAsync(UserId userId, Shared.FileId fileId)
{
userId.AssertNotNull("userId");
fileId.AssertNotNull("fileId");
using (var connection = this.connectionFactory.CreateConnection())
{
return(await connection.ExecuteScalarAsync <bool>(
@"IF EXISTS(SELECT *
FROM Files
WHERE Id = @FileId
AND UserId = @UserId)
SELECT 1 AS FOUND
ELSE
SELECT 0 AS FOUND",
new
{
FileId = fileId.Value,
UserId = userId.Value
}));
}
}
public async Task <string> ExecuteAsync(Shared.FileId fileId)
{
fileId.AssertNotNull("fileId");
using (var connection = this.connectionFactory.CreateConnection())
{
var extension = await connection.ExecuteScalarAsync <string>(
@"SELECT FileExtension
FROM Files
WHERE Id = @FileId",
new
{
FileId = fileId.Value
});
if (extension == null)
{
throw new Exception(string.Format("File not found. {0}", fileId));
}
return(extension);
}
}
