public static async Task <string> AnalyzePhoto(TraceWriter log, PhotoToAnalyze photoToAnalyze, ImageAnalysisTableAdapter imageAnalysisTableAdapter)
{
using (HttpClient httpClient = new HttpClient())
{
Stopwatch stopwatch = Stopwatch.StartNew();
VisionApiResponse visionApiResponse = await GetGoogleVisionApi(log, photoToAnalyze, httpClient);
List <Face> msFaces = await GetMsFaces(log, photoToAnalyze, httpClient);
Analysis msAnalysis = await GetMsAnalysis(log, photoToAnalyze, httpClient);
if (visionApiResponse?.Responses.Count == 1 && msAnalysis != null)
{
ImageAnalysis canonicalImageAnalysis = new ImageAnalysis(visionApiResponse.Responses[0], msAnalysis, msFaces);
ImageAnalysisEntity imageAnalysisEntity = new ImageAnalysisEntity
{
// for canonical truncate decimal precision to 4 decimal places, for others keep original precision
CanonicalJson = JsonConvert.SerializeObject(canonicalImageAnalysis, JsonUtils.AnalysisSerializerSettings),
GoogleVisionApiJson = JsonConvert.SerializeObject(visionApiResponse.Responses[0], JsonUtils.JsonSerializerSettings),
MsCognitiveFaceDetectJson = JsonConvert.SerializeObject(msFaces, JsonUtils.JsonSerializerSettings),
MsAnalysisJson = JsonConvert.SerializeObject(msAnalysis, JsonUtils.JsonSerializerSettings)
};
if (imageAnalysisEntity.GoogleVisionApiJson.Length > 30000)
{
log.Warning($"Google vision API response JSON is {imageAnalysisEntity.GoogleVisionApiJson.Length} chars, removing TextAnnotations");
visionApiResponse.Responses[0].TextAnnotations = null;
imageAnalysisEntity.GoogleVisionApiJson = JsonConvert.SerializeObject(visionApiResponse.Responses[0], JsonUtils.JsonSerializerSettings);
}
if (imageAnalysisEntity.GoogleVisionApiJson.Length > 45000)
{
log.Warning($"GoogleVisionApiJson still is {imageAnalysisEntity.GoogleVisionApiJson.Length} chars after removing TextAnnotations");
}
if (imageAnalysisEntity.CanonicalJson.Length > 45000)
{
log.Warning($"CanonicalJson is {imageAnalysisEntity.CanonicalJson.Length} chars");
}
if (imageAnalysisEntity.MsCognitiveFaceDetectJson.Length > 45000)
{
log.Warning($"MsCognitiveFaceDetectJson is {imageAnalysisEntity.MsCognitiveFaceDetectJson.Length} chars");
}
if (imageAnalysisEntity.MsAnalysisJson.Length > 45000)
{
log.Warning($"MsAnalysisJson is {imageAnalysisEntity.MsAnalysisJson.Length} chars");
}
imageAnalysisTableAdapter.InsertImageAnalysis(imageAnalysisEntity, photoToAnalyze.Url);
imageAnalysisTableAdapter.InsertBlogImageAnalysis(SanityHelper.SanitizeSourceBlog(photoToAnalyze.Blog), photoToAnalyze.Url);
log.Info($"All analyses for {photoToAnalyze.Url} saved in {stopwatch.ElapsedMilliseconds}ms");
return(null);
}
log.Warning("Failed to get all responses");
return("Failed to get all responses");
}
}
public static async Task Run([QueueTrigger(Constants.VideosToDownloadQueueName, Connection = "AzureWebJobsStorage")] string myQueueItem, TraceWriter log)
{
Startup.Init();
log.Info($"C# Queue trigger function processed: {myQueueItem}");
VideosToDownload videosToDownload = JsonConvert.DeserializeObject <VideosToDownload>(myQueueItem);
BlobAdapter blobAdapter = new BlobAdapter();
blobAdapter.Init();
VideoIndexTableAdapter videoIndexTableAdapter = new VideoIndexTableAdapter();
videoIndexTableAdapter.Init();
PostsTableAdapter postsTableAdapter = new PostsTableAdapter();
postsTableAdapter.Init(log);
ReversePostsTableAdapter reversePostsTableAdapter = new ReversePostsTableAdapter();
reversePostsTableAdapter.Init(log);
string sourceBlog = string.IsNullOrEmpty(videosToDownload.SourceBlog)
? videosToDownload.IndexInfo.BlogName
: videosToDownload.SourceBlog;
sourceBlog = SanityHelper.SanitizeSourceBlog(sourceBlog);
using (HttpClient httpClient = new HttpClient())
{
httpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("video/*"));
httpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("image/*"));
List <Video> videos = new List <Video>();
string blogname = videosToDownload.IndexInfo.BlogName;
string id = videosToDownload.IndexInfo.PostId;
DateTime date = videosToDownload.IndexInfo.PostDate;
foreach (VideoUrls videoUrls in videosToDownload.VideoUrls)
{
try
{
Video blobVideo = await blobAdapter.HandleVideo(videoUrls, videosToDownload.IndexInfo.BlogName, log);
videos.Add(blobVideo);
videoIndexTableAdapter.InsertVideoIndex(blogname, id, date, blobVideo, videosToDownload.VideoType, blobVideo.Bytes, videosToDownload.Duration);
log.Info("Video successfully downloaded: " + videoUrls.VideoUrl);
}
catch (HttpRequestException ex)
{
log.Warning("HTTP Error while downloading video " + videoUrls.VideoUrl + " - " + ex.Message);
postsTableAdapter.MarkWithVideoDownloadError(blogname, id, ex.Message);
}
catch (Exception ex)
{
log.Error("Error while downloading video ", ex);
throw;
}
}
if (videos.Count > 0)
{
postsTableAdapter.MarkVideosAsDownloaded(videosToDownload.IndexInfo.BlogName, videosToDownload.IndexInfo.PostId, videos.ToArray());
ReversePostEntity reversePost = new ReversePostEntity(blogname, id, videosToDownload.PostType, date, videosToDownload.Body, videosToDownload.Title)
{
Videos = JsonConvert.SerializeObject(videos)
};
reversePostsTableAdapter.InsertPost(reversePost);
}
}
}
private static int InsertReversePosts(string blogname, Dictionary <string, List <Model.Site.Photo> > photosByBlogById, List <PostEntity> postEntities,
ReversePostsTableAdapter reversePostsTableAdapter, PostsTableAdapter postsTableAdapter,
PhotoIndexTableAdapter photoIndexTableAdapter, MediaToDownloadQueueAdapter mediaToDownloadQueueAdapter, TraceWriter log)
{
int index = 0;
List <ReversePostEntity> reverseEntities = new List <ReversePostEntity>(100);
foreach (PostEntity entity in postEntities)
{
ReversePostEntity reversePost =
new ReversePostEntity(entity.PartitionKey, entity.RowKey, entity.Type, entity.Date, entity.ModifiedBody, entity.Title);
if (photosByBlogById.TryGetValue(entity.RowKey, out List <Model.Site.Photo> photos))
{
reversePost.Photos = JsonConvert.SerializeObject(photos, JsonUtils.JsonSerializerSettings);
}
else if (!string.IsNullOrEmpty(entity.VideoBlobUrls) && entity.VideoBlobUrls.StartsWith("[{"))
{
reversePost.Videos = entity.VideoBlobUrls;
}
if (string.IsNullOrEmpty(entity.ModifiedBody) && !string.IsNullOrEmpty(entity.Body))
{
string sourceBlog = string.IsNullOrEmpty(entity.SourceTitle) ? blogname : SanityHelper.SanitizeSourceBlog(entity.SourceTitle);
string modifiedBody = BodyUrlModifier.ModifyUrls(sourceBlog, entity.Body, photoIndexTableAdapter, photos, out List <Photo> extractedPhotos);
if (extractedPhotos != null && extractedPhotos.Count > 0)
{
PhotosToDownload photosToDownload = new PhotosToDownload(entity)
{
Photos = extractedPhotos.ToArray()
};
mediaToDownloadQueueAdapter.SendPhotosToDownload(photosToDownload);
log.Warning("Could not modify body successfully, sending PhotosToDownload to get missing photos");
}
else
{
entity.ModifiedBody = modifiedBody;
postsTableAdapter.InsertPost(entity);
log.Info($"ModifiedBody updated on post {entity.PartitionKey}/{entity.RowKey}");
}
}
if (!string.IsNullOrEmpty(reversePost.Photos) || !string.IsNullOrEmpty(reversePost.Videos) || !string.IsNullOrEmpty(reversePost.Body))
{
reverseEntities.Add(reversePost);
index++;
if (index % 100 == 0)
{
reversePostsTableAdapter.InsertBatch(reverseEntities);
reverseEntities.Clear();
log.Info("Inserted " + index + " reverse posts for " + entity.PartitionKey);
}
}
}
reversePostsTableAdapter.InsertBatch(reverseEntities);
log.Info("Inserted " + index + " reverse posts for " + blogname);
return(index);
}
public static async Task Run([QueueTrigger(Constants.PhotosToDownloadQueueName, Connection = "AzureWebJobsStorage")]
string myQueueItem, TraceWriter log)
{
Startup.Init();
string requestUrl = null;
try
{
PhotosToDownload photosToDownload = JsonConvert.DeserializeObject <PhotosToDownload>(myQueueItem);
BlobAdapter blobAdapter = new BlobAdapter();
blobAdapter.Init();
PhotoIndexTableAdapter photoIndexTableAdapter = new PhotoIndexTableAdapter();
photoIndexTableAdapter.Init();
PostsTableAdapter postsTableAdapter = new PostsTableAdapter();
postsTableAdapter.Init(log);
ReversePostsTableAdapter reversePostsTableAdapter = new ReversePostsTableAdapter();
reversePostsTableAdapter.Init(log);
List <Photo> sitePhotos = new List <Photo>();
string blogname = photosToDownload.IndexInfo.BlogName;
string id = photosToDownload.IndexInfo.PostId;
DateTime date = photosToDownload.IndexInfo.PostDate;
string sourceBlog = string.IsNullOrEmpty(photosToDownload.SourceBlog)
? photosToDownload.IndexInfo.BlogName
: photosToDownload.SourceBlog;
sourceBlog = SanityHelper.SanitizeSourceBlog(sourceBlog);
using (HttpClient httpClient = new HttpClient())
{
httpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("image/*"));
foreach (Model.Tumblr.Photo photo in photosToDownload.Photos)
{
bool isOriginal = true;
Photo sitePhoto = null;
foreach (AltSize altSize in photo.Alt_sizes)
{
PhotoUrlHelper urlHelper = PhotoUrlHelper.ParseTumblr(altSize.Url);
if (isOriginal || urlHelper != null && DownloadSizes.Contains(urlHelper.Size))
{
if (sitePhoto == null)
{
sitePhoto = new Photo
{
Name = urlHelper.Container + "_" + urlHelper.Name,
Extension = urlHelper.Extension,
Sizes = new PhotoSize[0]
}
}
;
PhotoUrlIndexEntity urlIndexEntity = photoIndexTableAdapter.GetPhotoUrlndex(sourceBlog, altSize.Url);
if (urlIndexEntity != null) // photo already downloaded
{
AddSizeToSitePhoto(sitePhoto, urlIndexEntity.BlobUrl, altSize); // need this to produce correct sitePhotos
isOriginal = false;
}
else // photo not downloaded
{
requestUrl = altSize.Url;
byte[] photoBytes = await httpClient.GetByteArrayAsync(altSize.Url);
if (photoBytes.Length > 0)
{
Uri blobUri = await blobAdapter.UploadPhotoBlob(urlHelper, photoBytes, isOriginal);
AddSizeToSitePhoto(sitePhoto, blobUri.ToString(), altSize);
photoIndexTableAdapter.InsertPhotoIndex(blogname, id, date, SanityHelper.SanitizeSourceBlog(photosToDownload.SourceBlog),
blobUri.ToString(), urlHelper.Name, urlHelper.Size,
altSize.Width, altSize.Height, altSize.Url);
isOriginal = false;
log.Info("Downloaded photo from: " + altSize.Url);
}
}
}
}
if (sitePhoto?.Sizes.Length > 0)
{
sitePhotos.Add(sitePhoto);
}
}
}
string modifiedBody = BodyUrlModifier.ModifyUrls(sourceBlog, photosToDownload.Body, photoIndexTableAdapter, sitePhotos, out List <Model.Tumblr.Photo> extractedPhotos);
if (extractedPhotos != null)
{
log.Warning("Trying to modify body in ProcessPhotosToDownload but some images were not possible to replace");
}
postsTableAdapter.MarkPhotosAsDownloaded(photosToDownload.IndexInfo.BlogName, photosToDownload.IndexInfo.PostId, sitePhotos, modifiedBody);
ReversePostEntity reversePost = new ReversePostEntity(photosToDownload.IndexInfo.BlogName, photosToDownload.IndexInfo.PostId,
photosToDownload.PostType, photosToDownload.IndexInfo.PostDate, modifiedBody, photosToDownload.Title)
{
Photos = JsonConvert.SerializeObject(sitePhotos)
};
reversePostsTableAdapter.InsertPost(reversePost);
}
catch (Exception ex)
{
if (ex is HttpRequestException httpRequestException && httpRequestException.Message.Contains("403") && httpRequestException.Message.Contains("Forbidden"))
{
log.Warning("HTTP request was forbidden to URL: " + requestUrl);
}