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 <IReadOnlyList <GetCreatorBacklogQueryResult> > HandleAsync(GetCreatorBacklogQuery query)
{
query.AssertNotNull("query");
await this.requesterSecurity.AuthenticateAsAsync(query.Requester, query.RequestedUserId);
await this.requesterSecurity.AssertInRoleAsync(query.Requester, FifthweekRole.Creator);
var posts = await this.getCreatorBacklogDbStatement.ExecuteAsync(query.RequestedUserId, DateTime.UtcNow);
var result = new List <GetCreatorBacklogQueryResult>();
foreach (var post in posts)
{
FileInformation image = null;
if (post.ImageId != null)
{
image = await this.fileInformationAggregator.GetFileInformationAsync(
post.ChannelId,
post.ImageId,
FilePurposes.PostImage);
}
RenderSize imageRenderSize = null;
if (post.ImageRenderWidth.HasValue && post.ImageRenderHeight.HasValue)
{
imageRenderSize = new RenderSize(post.ImageRenderWidth.Value, post.ImageRenderHeight.Value);
}
var completePost = new GetCreatorBacklogQueryResult(
post.PostId,
post.ChannelId,
post.QueueId,
post.PreviewText,
image,
image == null ? null : new FileSourceInformation(post.ImageName, post.ImageExtension, this.mimeTypeMap.GetMimeType(post.ImageExtension), post.ImageSize ?? 0, imageRenderSize),
post.PreviewWordCount,
post.WordCount,
post.ImageCount,
post.FileCount,
post.VideoCount,
post.LiveDate);
result.Add(completePost);
}
return(result);
}
public async Task <GetPreviewNewsfeedQueryResult> HandleAsync(GetNewsfeedQuery query)
{
query.AssertNotNull("query");
var requestingUserId = await this.requesterSecurity.TryAuthenticateAsync(query.Requester);
var now = this.timestampCreator.Now();
var postsResult = await this.getPreviewNewsfeedDbStatement.ExecuteAsync(
requestingUserId,
query.CreatorId,
query.ChannelIds,
now,
query.Origin ?? now,
query.SearchForwards,
query.StartIndex,
query.Count);
var posts = postsResult.Posts;
var expiry = this.getAccessSignatureExpiryInformation.Execute(now);
var results = new List <GetPreviewNewsfeedQueryResult.PreviewPost>();
foreach (var post in posts)
{
FileInformation profileImage = null;
if (post.ProfileImageFileId != null)
{
profileImage = await this.fileInformationAggregator.GetFileInformationAsync(
null,
post.ProfileImageFileId,
FilePurposes.ProfileImage);
}
FileInformation image = null;
BlobSharedAccessInformation imageAccessInformation = null;
if (post.ImageId != null)
{
image = await this.fileInformationAggregator.GetFileInformationAsync(
post.ChannelId,
post.ImageId,
FilePurposes.PostImage);
var imageType = post.IsFreePost
? FileManagement.Shared.Constants.PostFeedImageThumbnailName
: FileManagement.Shared.Constants.PostPreviewImageThumbnailName;
imageAccessInformation = await this.blobService.GetBlobSharedAccessInformationForReadingAsync(
image.ContainerName,
image.FileId.Value.EncodeGuid() + "/" + imageType,
expiry.Public);
}
RenderSize imageRenderSize = null;
if (post.ImageRenderWidth.HasValue && post.ImageRenderHeight.HasValue)
{
imageRenderSize = new RenderSize(post.ImageRenderWidth.Value, post.ImageRenderHeight.Value);
}
var completePost = new GetPreviewNewsfeedQueryResult.PreviewPost(
post.CreatorId,
new GetPreviewNewsfeedQueryResult.PreviewPostCreator(new Username(post.Username), profileImage),
post.PostId,
post.BlogId,
new GetPreviewNewsfeedQueryResult.PreviewPostBlog(new BlogName(post.BlogName), null, null),
post.ChannelId,
new GetPreviewNewsfeedQueryResult.PreviewPostChannel(new ChannelName(post.ChannelName)),
post.PreviewText,
image,
image == null ? null : new FileSourceInformation(post.ImageName, post.ImageExtension, this.mimeTypeMap.GetMimeType(post.ImageExtension), post.ImageSize ?? 0, imageRenderSize),
imageAccessInformation,
post.PreviewWordCount,
post.WordCount,
post.ImageCount,
post.FileCount,
post.VideoCount,
post.LiveDate,
post.LikesCount,
post.CommentsCount,
post.HasLikedPost,
post.IsFreePost);
results.Add(completePost);
}
return(new GetPreviewNewsfeedQueryResult(results));
}