private async Task <GetPostQueryResult.File> ProcessFile(GetPostQueryResult.FullPost post, GetPostDbResult.PostFileDbResult file, PostSecurityResult access, AccessSignatureExpiryInformation expiry)
{
var fileInformation =
await this.fileInformationAggregator.GetFileInformationAsync(post.ChannelId, file.FileId, file.Purpose);
RenderSize renderSize = null;
if (file.RenderWidth.HasValue && file.RenderHeight.HasValue)
{
renderSize = new RenderSize(file.RenderWidth.Value, file.RenderHeight.Value);
}
var fileSourceInformation = new FileSourceInformation(
file.FileName,
file.FileExtension,
this.mimeTypeMap.GetMimeType(file.FileExtension),
file.FileSize,
renderSize);
BlobSharedAccessInformation accessInformation = null;
if (access == PostSecurityResult.Denied)
{
if (file.Purpose == FilePurposes.PostImage)
{
accessInformation =
await
this.blobService.GetBlobSharedAccessInformationForReadingAsync(
fileInformation.ContainerName,
file.FileId.Value.EncodeGuid() + "/" + FileManagement.Shared.Constants.PostPreviewImageThumbnailName,
expiry.Private);
}
}
else if (access == PostSecurityResult.FreePost)
{
if (file.Purpose == FilePurposes.PostImage)
{
accessInformation =
await
this.blobService.GetBlobSharedAccessInformationForReadingAsync(
fileInformation.ContainerName,
file.FileId.Value.EncodeGuid() + "/" + FileManagement.Shared.Constants.PostFeedImageThumbnailName,
expiry.Private);
}
else if (file.Purpose == FilePurposes.PostFile)
{
accessInformation =
await
this.blobService.GetBlobSharedAccessInformationForReadingAsync(
fileInformation.ContainerName,
file.FileId.Value.EncodeGuid(),
expiry.Private);
}
}
var completeFile = new GetPostQueryResult.File(fileInformation, fileSourceInformation, accessInformation);
return(completeFile);
}
public async Task <GetPostQueryResult> ExecuteAsync(GetPostDbResult postData, PostSecurityResult access, AccessSignatureExpiryInformation expiry)
{
postData.AssertNotNull("postData");
expiry.AssertNotNull("expiry");
var post = await this.ProcessPost(postData.Post, access);
var files = new List <GetPostQueryResult.File>();
foreach (var file in postData.Files)
{
var completeFile = await this.ProcessFile(post, file, access, expiry);
files.Add(completeFile);
}
return(new GetPostQueryResult(post, files));
}
