private async Task UploadCustomerImageToAzureStorageAsync(Stream stream, NewsFeedPost newsFeedPost)
{
var customerImageName = GetCustomerImageName(newsFeedPost.Username, DateTime.UtcNow);
await CustomerImageService.UploadCustomerImageAsync(customerImageName, stream, "image/jpeg");
newsFeedPost.ImageUrl = CustomerImageService.GetCustomerImageUrl(customerImageName);
}
private void PopulateDescriptionTagsProperty(NewsFeedPost newsFeedPost)
{
if (newsFeedPost != null && newsFeedPost.ImageVisionResults != null &&
newsFeedPost.ImageVisionResults.DescriptionTags != null)
{
newsFeedPost.DescriptionTags = string.Join(", ", newsFeedPost.ImageVisionResults.DescriptionTags);
}
}
private async Task RunContentModeratorServicesOnNewsFeedPostAsync(NewsFeedPost newsFeedPost)
{
if (IsMessageEditorTextValid(newsFeedPost.Message))
{
var contentModeratorTextResults = await ContentModeratorService.ScreenTextAsync(newsFeedPost.Message, TermListId);
ValidatePostMessage(contentModeratorTextResults);
newsFeedPost.MessageModeratorResults = contentModeratorTextResults;
}
}
private void PopulateCaptionProperty(NewsFeedPost newsFeedPost)
{
if (newsFeedPost != null && newsFeedPost.ImageVisionResults != null && newsFeedPost.ImageVisionResults.Captions != null)
{
var captionBuilder = new StringBuilder();
foreach (var caption in newsFeedPost.ImageVisionResults.Captions)
{
captionBuilder.Append(caption.Name + ". ");
}
newsFeedPost.Caption = captionBuilder.ToString().TrimEnd();
}
}
private void PopulateBrandsProperty(NewsFeedPost newsFeedPost)
{
if (newsFeedPost != null && newsFeedPost.ImageVisionResults != null &&
newsFeedPost.ImageVisionResults.Landmarks != null)
{
var brandBuilder = new StringBuilder();
foreach (var brand in newsFeedPost.ImageVisionResults.Brands)
{
brandBuilder.Append(brand.Name + ". ");
}
newsFeedPost.Brands = brandBuilder.ToString().TrimEnd();
}
}
private void PopulateLandmarksProperty(NewsFeedPost newsFeedPost)
{
if (newsFeedPost != null && newsFeedPost.ImageVisionResults != null &&
newsFeedPost.ImageVisionResults.Landmarks != null)
{
var landmarkBuilder = new StringBuilder();
foreach (var landmark in newsFeedPost.ImageVisionResults.Landmarks)
{
landmarkBuilder.Append(landmark.Name + ". ");
}
newsFeedPost.Landmarks = landmarkBuilder.ToString().TrimEnd();
}
}
private void PopulateCelebritiesProperty(NewsFeedPost newsFeedPost)
{
if (newsFeedPost != null && newsFeedPost.ImageVisionResults != null &&
newsFeedPost.ImageVisionResults.Celebrities != null)
{
var celebrityBuilder = new StringBuilder();
foreach (var celebrity in newsFeedPost.ImageVisionResults.Celebrities)
{
celebrityBuilder.Append(celebrity.Name + ". ");
}
newsFeedPost.Celebrities = celebrityBuilder.ToString().TrimEnd();
}
}
public async Task CreateNewsFeedPostAsync(NewsFeedPost newsFeedPost)
{
try
{
using (var cosmosClient = new CosmosClient(_endpoint, _key))
{
var cosmosContainer = cosmosClient.GetContainer(_databaseId, _containerId);
var result = await cosmosContainer.CreateItemAsync(newsFeedPost, partitionKey : new PartitionKey(newsFeedPost.Username));
}
}
catch (CosmosException e)
{
throw new Exception("The news feed post could not be uploaded.", e);
}
}
private async Task RunCognitiveServicesOnNewsFeedPostAsync(Stream stream, NewsFeedPost newsFeedPost)
{
Task <ContentModeratorTextResults> contentModeratorTextTask = null;
if (IsMessageEditorTextValid(newsFeedPost.Message))
{
contentModeratorTextTask = ContentModeratorService.ScreenTextAsync(newsFeedPost.Message, TermListId);
}
var computerVisionTask = ComputerVisionService.GetComputerVisionResultsAsync(stream);
var tasks = new List <Task>()
{
computerVisionTask
};
if (contentModeratorTextTask != null)
{
tasks.Add(contentModeratorTextTask);
}
await Task.WhenAll(tasks);
if (computerVisionTask.IsFaulted)
{
throw new Exception("Something went wrong with your image upload. Please try again later.");
}
ValidatePostImage(computerVisionTask.Result);
newsFeedPost.ImageVisionResults = computerVisionTask.Result;
PopulateCaptionProperty(newsFeedPost);
PopulateDescriptionTagsProperty(newsFeedPost);
PopulateCelebritiesProperty(newsFeedPost);
PopulateLandmarksProperty(newsFeedPost);
PopulateBrandsProperty(newsFeedPost);
if (contentModeratorTextTask != null)
{
if (contentModeratorTextTask.IsFaulted)
{
throw new Exception("Something went wrong with your message post. Please try again later.");
}
ValidatePostMessage(contentModeratorTextTask.Result);
newsFeedPost.MessageModeratorResults = contentModeratorTextTask.Result;
}
}
