public static HttpResponseMessage Run([HttpTrigger(AuthorizationLevel.Anonymous, "get", Route = nameof(GetGameByEntryCode))]
HttpRequestMessage req, TraceWriter log)
{
using (var analytic = new AnalyticService(new RequestTelemetry
{
Name = nameof(GetGameByEntryCode)
}))
{
try
{
var kvps = req.GetQueryNameValuePairs();
var email = kvps.FirstOrDefault(kvp => kvp.Key == "email").Value;
var entryCode = kvps.FirstOrDefault(kvp => kvp.Key == "entryCode").Value;
var existingGame = CosmosDataService.Instance.GetOngoingGame(email);
if (existingGame != null)
{
return(req.CreateErrorResponse(HttpStatusCode.Conflict, "User already has an ongoing game"));
}
var openGame = CosmosDataService.Instance.GetGameByEntryCode(entryCode);
return(req.CreateResponse(HttpStatusCode.OK, openGame));
}
catch (Exception e)
{
// track exceptions that occur
analytic.TrackException(e);
return(req.CreateErrorResponse(HttpStatusCode.BadRequest, e.Message, e));
}
}
}
public static HttpResponseMessage Run([HttpTrigger(AuthorizationLevel.Anonymous, "post", Route = nameof(RegisterDevice))]
HttpRequestMessage req, TraceWriter log)
{
using (var analytic = new AnalyticService(new RequestTelemetry
{
Name = nameof(AnalyseText)
}))
{
try
{
var json = req.Content.ReadAsStringAsync().Result;
var registration = JsonConvert.DeserializeObject <DeviceRegistration>(json);
var instance = registration.AppMode == AppMode.Dev ? PushService.Dev : PushService.Production;
var result = instance.Register(registration).Result;
return(req.CreateResponse(HttpStatusCode.OK, result));
}
catch (Exception e)
{
analytic.TrackException(e.GetBaseException());
return(req.CreateErrorResponse(HttpStatusCode.BadRequest, e.GetBaseException()));
}
}
}
/// <summary>
/// Not used right now
/// </summary>
/// <param name="game"></param>
static void CreateAudiences(Game game, AnalyticService analytic)
{
//Configure the proper Push Audiences in Mobile Center so notifications can be sent to all in a game or team
var p = new PushService();
var success = p.CreateAudience(HuntAudience.GameId, game.Id).Result;
if (success)
{
foreach (var team in game.Teams)
{
var good = p.CreateAudience(HuntAudience.TeamId, team.Id).Result;
if (!good)
{
throw new Exception("Unable to properly configure push notifications");
}
}
}
else
{
var e = new Exception("Unable to properly configure push notifications");
// track exceptions that occur
analytic.TrackException(e);
throw e;
}
}
public static HttpResponseMessage Run([HttpTrigger(AuthorizationLevel.Anonymous, "get", Route = nameof(GetGame))]
HttpRequestMessage req, TraceWriter log)
{
using (var analytic = new AnalyticService(new RequestTelemetry
{
Name = nameof(GetGame)
}))
{
try
{
var gameId = req.GetQueryNameValuePairs().FirstOrDefault(kvp => kvp.Key == "id").Value;
using (var client = new CosmosDataService())
{
var game = client.GetItemAsync <Game>(gameId).Result;
return(req.CreateResponse(HttpStatusCode.OK, game));
}
}
catch (Exception e)
{
analytic.TrackException(e);
return(req.CreateErrorResponse(HttpStatusCode.BadRequest, e));
}
}
}
async public static Task <HttpResponseMessage> Run([HttpTrigger(AuthorizationLevel.Anonymous, "post", Route = nameof(RegisterDevice))]
HttpRequestMessage req, TraceWriter log)
{
using (var analytic = new AnalyticService(new RequestTelemetry
{
Name = nameof(AnalyseText)
}))
{
try
{
var json = req.Content.ReadAsStringAsync().Result;
var registration = JsonConvert.DeserializeObject <DeviceRegistration>(json);
var instance = registration.AppMode == AppMode.Dev ? PushService.Dev : PushService.Production;
var result = instance.Register(registration).Result;
var data = new Event("Registering device");
data.Add("mode", registration.AppMode).Add("OS", registration.Platform).Add("handle", registration.Handle).Add("tags", string.Join(", ", registration.Tags).Trim());
await EventHubService.Instance.SendEvent(data);
return(req.CreateResponse(HttpStatusCode.OK, result));
}
catch (Exception e)
{
analytic.TrackException(e.GetBaseException());
return(req.CreateErrorResponse(HttpStatusCode.BadRequest, e.GetBaseException()));
}
}
}
public static HttpResponseMessage Run([HttpTrigger(AuthorizationLevel.Anonymous, "post",
Route = nameof(PostMessageToQueue))]
HttpRequestMessage req, TraceWriter log)
{
using (var analytic = new AnalyticService(new RequestTelemetry
{
Name = nameof(PostMessageToQueue)
}))
{
var image = req.GetObject <byte[]>();
try
{
using (var client = new QueueService("imageprocess"))
{
client.SendBrokeredMessageAsync(image).Wait();
return(req.CreateResponse(HttpStatusCode.OK));
}
}
catch (Exception e)
{
// track exceptions that occur
analytic.TrackException(e);
return(req.CreateErrorResponse(HttpStatusCode.BadRequest, e));
}
}
}
public static HttpResponseMessage Run([HttpTrigger(AuthorizationLevel.Anonymous, "get", Route = nameof(GetOngoingGame))]
HttpRequestMessage req, TraceWriter log)
{
using (var analytic = new AnalyticService(new RequestTelemetry
{
Name = nameof(GetOngoingGame)
}))
{
try
{
var email = req.GetQueryNameValuePairs().FirstOrDefault(kvp => kvp.Key == "email").Value;
if (string.IsNullOrWhiteSpace(email))
{
return(req.CreateErrorResponse(HttpStatusCode.BadRequest, "email address required"));
}
using (var client = new CosmosDataService())
{
var game = client.GetOngoingGame(email);
return(req.CreateResponse(HttpStatusCode.OK, game as Object));
}
}
catch (Exception e)
{
// track exceptions that occur
analytic.TrackException(e);
return(req.CreateErrorResponse(HttpStatusCode.BadRequest, e));
}
}
}
async public static Task <HttpResponseMessage> Run([HttpTrigger(AuthorizationLevel.Anonymous, "post", Route = nameof(AnalyseImage))]
HttpRequestMessage req, TraceWriter log)
{
using (var analytic = new AnalyticService(new RequestTelemetry
{
Name = nameof(AnalyseImage)
}))
{
try
{
var allTags = new List <string>();
var json = req.Content.ReadAsStringAsync().Result;
var photoUrls = JsonConvert.DeserializeObject <string[]>(json);
foreach (var url in photoUrls)
{
var result = VisionService.Instance.GetImageDescriptionAsync(url).Result;
allTags.AddRange(result.Tags.Select(t => t.Name).ToArray());
allTags.AddRange(result.Description.Tags);
}
var attributes = new Dictionary <string, int>();
foreach (var tag in allTags)
{
if (tag.Equals("indoor", StringComparison.InvariantCultureIgnoreCase) ||
tag.Equals("outdoor", StringComparison.InvariantCultureIgnoreCase))
{
continue;
}
if (attributes.ContainsKey(tag))
{
attributes[tag]++;
}
else
{
attributes.Add(tag, 1);
}
}
var topAttributes = attributes.OrderByDescending(k => k.Value);
var toReturn = topAttributes.Select(k => k.Key).Take(10).ToArray();
var data = new Event("Generic image analyzed for tags");
data.Add("image", photoUrls.First()).Add("tags", string.Join(", ", toReturn).Trim());
await EventHubService.Instance.SendEvent(data);
return(req.CreateResponse(HttpStatusCode.OK, toReturn));
}
catch (Exception e)
{
analytic.TrackException(e);
return(req.CreateErrorResponse(HttpStatusCode.BadRequest, e));
}
}
}
public static HttpResponseMessage Run([HttpTrigger(AuthorizationLevel.Anonymous, "get", Route = nameof(WakeUp))]
HttpRequestMessage req, TraceWriter log)
{
using (var analytic = new AnalyticService(new RequestTelemetry
{
Name = nameof(WakeUp)
}))
{
return(req.CreateResponse(HttpStatusCode.OK));
}
}
static void SetEndGameTimer(Game game, AnalyticService analytic)
{
try
{
var client = new QueueService(Keys.ServiceBus.EndGameBusName);
client.SendBrokeredMessageAsync(game.DurationInMinutes, game.Id, "endgametime", (int)game.DurationInMinutes).Wait();
}
catch (Exception e)
{
analytic.TrackException(e);
}
}
async public static Task <HttpResponseMessage> Run([HttpTrigger(AuthorizationLevel.Anonymous, "get", Route = nameof(WakeUp))]
HttpRequestMessage req, TraceWriter log)
{
using (var analytic = new AnalyticService(new RequestTelemetry
{
Name = nameof(WakeUp)
}))
{
await EventHubService.Instance.SendEvent(new Event("Wake request received"));
return(req.CreateResponse(HttpStatusCode.OK));
}
}
async public static Task <HttpResponseMessage> Run([HttpTrigger(AuthorizationLevel.Anonymous, "get", Route = nameof(AnalyseText))]
HttpRequestMessage req, TraceWriter log)
{
using (var analytic = new AnalyticService(new RequestTelemetry
{
Name = nameof(AnalyseText)
}))
{
try
{
var text = req.GetQueryNameValuePairs().FirstOrDefault(kvp => kvp.Key == "text").Value;
using (var client = new HttpClient())
{
var queryString = HttpUtility.ParseQueryString(string.Empty);
client.DefaultRequestHeaders.Add("Ocp-Apim-Subscription-Key", ConfigManager.Instance.ContentModeratorKey);
queryString["autocorrect"] = "{boolean}";
queryString["PII"] = "{boolean}";
queryString["listId"] = "{string}";
var uri = ConfigManager.Instance.ContentModeratorUrl + queryString;
HttpResponseMessage response;
byte[] byteData = Encoding.UTF8.GetBytes(text);
using (var content = new ByteArrayContent(byteData))
{
content.Headers.ContentType = new MediaTypeHeaderValue("text/plain");
response = client.PostAsync(uri, content).Result;
var json = response.Content.ReadAsStringAsync().Result;
var textModeration = JsonConvert.DeserializeObject <TextModeration>(json);
var terms = textModeration.Terms == null ? "NONE" : string.Join(", ", textModeration.Terms.Select(t => t.TermString).ToArray()).Trim();
var data = new Event("Analyzing text for appropriate content");
data.Add("text", text).Add("terms", terms);
await EventHubService.Instance.SendEvent(data);
return(req.CreateResponse(HttpStatusCode.OK, textModeration.Terms == null));
}
}
}
catch (Exception e)
{
analytic.TrackException(e);
return(req.CreateErrorResponse(HttpStatusCode.BadRequest, e));
}
}
}
public static async Task <HttpResponseMessage> Run([HttpTrigger(AuthorizationLevel.Anonymous, "get", Route = nameof(GetStorageToken))]
HttpRequestMessage req, TraceWriter log)
{
using (var analytic = new AnalyticService(new RequestTelemetry
{
Name = nameof(GetStorageToken)
}))
{
try
{
var kvps = req.GetQueryNameValuePairs();
var blobName = kvps.FirstOrDefault(kvp => kvp.Key == "blobName").Value;
if (string.IsNullOrWhiteSpace(blobName))
{
var e = new ArgumentNullException(nameof(blobName));
// track exceptions that occur
analytic.TrackException(e);
throw e;
}
if (_storageAccount == null)
{
_storageAccount = CloudStorageAccount.Parse(ConfigManager.Instance.BlobSharedStorageKey);
}
if (_blobClient == null)
{
_blobClient = _storageAccount.CreateCloudBlobClient();
}
_container = _blobClient.GetContainerReference(ConfigManager.BlobImageContainer);
await _container.CreateIfNotExistsAsync();
var sasUri = await GetSASToken(blobName);
var token = new StorageToken(blobName, sasUri);
return(req.CreateResponse(HttpStatusCode.OK, token));
}
catch (Exception e)
{
// track exceptions that occur
analytic.TrackException(e);
return(req.CreateErrorResponse(HttpStatusCode.BadRequest, e.Message, e));
}
}
}
async public static Task <HttpResponseMessage> Run([HttpTrigger(AuthorizationLevel.Anonymous, "get", Route = nameof(GetGameByEntryCode))]
HttpRequestMessage req, TraceWriter log)
{
using (var analytic = new AnalyticService(new RequestTelemetry
{
Name = nameof(GetGameByEntryCode)
}))
{
try
{
var kvps = req.GetQueryNameValuePairs();
var email = kvps.FirstOrDefault(kvp => kvp.Key == "email").Value;
var entryCode = kvps.FirstOrDefault(kvp => kvp.Key == "entryCode").Value;
var existingGame = CosmosDataService.Instance.GetOngoingGame(email);
if (existingGame != null)
{
var data = new Event("Attempt to lookup game by entry code failed due to ongoing game");
data.Add("code", entryCode).Add("email", email);
await EventHubService.Instance.SendEvent(data);
return(req.CreateErrorResponse(HttpStatusCode.Conflict, "User already has an ongoing game"));
}
var openGame = CosmosDataService.Instance.GetGameByEntryCode(entryCode);
var outcome = openGame == null ? "failed" : "succeeded";
{
var data = new Event($"Attempt to lookup game by entry code {outcome}");
data.Add("code", entryCode).Add("email", email);
await EventHubService.Instance.SendEvent(data, openGame);
}
return(req.CreateResponse(HttpStatusCode.OK, openGame));
}
catch (Exception e)
{
// track exceptions that occur
analytic.TrackException(e);
return(req.CreateErrorResponse(HttpStatusCode.BadRequest, e.Message, e));
}
}
}
async public static Task <HttpResponseMessage> Run([HttpTrigger(AuthorizationLevel.Anonymous, "get", Route = nameof(GetOngoingGame))]
HttpRequestMessage req, TraceWriter log)
{
using (var analytic = new AnalyticService(new RequestTelemetry
{
Name = nameof(GetOngoingGame)
}))
{
try
{
var email = req.GetQueryNameValuePairs().FirstOrDefault(kvp => kvp.Key == "email").Value;
if (string.IsNullOrWhiteSpace(email))
{
return(req.CreateErrorResponse(HttpStatusCode.BadRequest, "email address required"));
}
var json = CosmosDataService.Instance.GetOngoingGame(email);
var game = json == null ? null : JsonConvert.DeserializeObject <Game>(json.ToString()) as Game;
var outcome = json == null ? "no games found" : "a game found";
var data = new Event($"Looking for an ongoing game resulted in {outcome}");
data.Add("email", email);
await EventHubService.Instance.SendEvent(data, game);
return(req.CreateResponse(HttpStatusCode.OK, game));
}
catch (Exception e)
{
// track exceptions that occur
analytic.TrackException(e.GetBaseException());
var msg = e.GetBaseException().Message;
return(req.CreateErrorResponse(HttpStatusCode.BadRequest, e.GetBaseException().Message));
}
}
}
async public static Task <HttpResponseMessage> Run([HttpTrigger(AuthorizationLevel.Anonymous, "post", Route = nameof(TrainClassifier))]
HttpRequestMessage req, TraceWriter log)
{
using (var analytic = new AnalyticService(new RequestTelemetry
{
Name = nameof(TrainClassifier)
}))
{
try
{
var allTags = new List <string>();
var json = req.Content.ReadAsStringAsync().Result;
var j = JObject.Parse(json);
var gameId = (string)j["gameId"];
var imageUrls = j["imageUrls"].ToObject <List <string> >();
var tags = (JArray)j["tags"];
var game = CosmosDataService.Instance.GetItemAsync <Game>(gameId).Result;
TrainingApi api = new TrainingApi {
ApiKey = ConfigManager.Instance.CustomVisionTrainingKey
};
Project project = null;
//Get the existing project for this game if there is one
if (!string.IsNullOrEmpty(game.CustomVisionProjectId))
{
try { project = api.GetProject(Guid.Parse(game.CustomVisionProjectId)); }
catch (Exception) { }
}
//Otherwise create a new project and associate it with the game
if (project == null)
{
project = api.CreateProject($"{game.Name}_{DateTime.Now.ToString()}_{Guid.NewGuid().ToString()}", game.Id);
game.CustomVisionProjectId = project.Id.ToString();
CosmosDataService.Instance.UpdateItemAsync <Game>(game).Wait();
}
var tagItems = tags.Select(t => api.CreateTag(project.Id, t.ToString().Trim()));
var entries = imageUrls.Select(u => new ImageUrlCreateEntry(u)).ToList();
//Batch the image urls that were sent up from Azure Storage (blob)
var batch = new ImageUrlCreateBatch(entries, tagItems.Select(t => t.Id).ToList());
var summary = api.CreateImagesFromUrls(project.Id, batch);
//if(!summary.IsBatchSuccessful)
// return req.CreateErrorResponse(HttpStatusCode.BadRequest, "Image batch was unsuccessful");
//Traing the classifier and generate a new iteration, that we'll set as the default
var iteration = api.TrainProject(project.Id);
while (iteration.Status == "Training")
{
Thread.Sleep(1000);
iteration = api.GetIteration(project.Id, iteration.Id);
}
iteration.IsDefault = true;
api.UpdateIteration(project.Id, iteration.Id, iteration);
var data = new Event("Training classifier");
data.Add("project", project.Name);
data.Add("iteration", iteration.Id);
await EventHubService.Instance.SendEvent(data);
return(req.CreateResponse(HttpStatusCode.OK, true));
}
catch (Exception e)
{
analytic.TrackException(e);
var baseException = e.GetBaseException();
var operationException = baseException as HttpOperationException;
var reason = baseException.Message;
if (operationException != null)
{
var jobj = JObject.Parse(operationException.Response.Content);
var code = jobj.GetValue("Code");
if (code != null && !string.IsNullOrWhiteSpace(code.ToString()))
{
reason = code.ToString();
}
}
return(req.CreateErrorResponse(HttpStatusCode.BadRequest, reason));
}
}
}
public static HttpResponseMessage Run([HttpTrigger(AuthorizationLevel.Anonymous, "post", Route = nameof(SaveGame))]
HttpRequestMessage req, TraceWriter log)
{
using (var analytic = new AnalyticService(new RequestTelemetry
{
Name = nameof(SaveGame)
}))
{
var json = req.Content.ReadAsStringAsync().Result;
var jobject = JsonConvert.DeserializeObject <JObject>(json);
var action = jobject["action"].ToString();
var arguments = jobject["arguments"].ToObject <Dictionary <string, string> >();
var game = jobject["game"].ToObject <Game>();
arguments = arguments ?? new Dictionary <string, string>();
//Need to validate this player is not already part of another ongoing game or the coordinator of this game
if (game.EntryCode == null)
{
//Let's hope this is generally random. Best to confirm the code is not already in used but I'm lazy
game.EntryCode = Math.Abs(game.Id.GetHashCode()).ToString().Substring(0, 6);
}
Game savedGame = null;
bool isEndOfgame = false;
try
{
if (!game.IsPersisted)
{
CosmosDataService.Instance.InsertItemAsync(game).Wait();
}
else
{
var existingGame = CosmosDataService.Instance.GetItemAsync <Game>(game.Id).Result;
if (existingGame.TS != game.TS)
{
return(req.CreateErrorResponse(HttpStatusCode.Conflict, "Unable to save game - version conflict. Please pull the latest version and reapply your changes."));
}
if (action == GameUpdateAction.EndGame && existingGame.HasEnded)
{
return(req.CreateResponse(HttpStatusCode.OK));
}
if (action == GameUpdateAction.StartGame)
{
game.StartDate = DateTime.UtcNow;
}
if (action == GameUpdateAction.EndGame)
{
isEndOfgame = true;
}
bool isWinningAcquisition = false;
if (action == GameUpdateAction.AcquireTreasure)
{
//Need to evaluate the game first before we save as there might be a winner
var teamId = arguments["teamId"];
isWinningAcquisition = game.EvaluateGameForWinner(teamId);
if (isWinningAcquisition)
{
isEndOfgame = true;
}
}
if (isEndOfgame)
{
game.EndDate = DateTime.UtcNow;
var teams = game.Teams.OrderByDescending(t => t.TotalPoints).ToArray();
if (teams[0].TotalPoints == teams[1].TotalPoints)
{
game.WinnningTeamId = null; //Draw
}
else
{
game.WinnningTeamId = teams[0].Id;
}
}
CosmosDataService.Instance.UpdateItemAsync(game).Wait();
if (action == GameUpdateAction.StartGame)
{
SetEndGameTimer(game, analytic);
}
if (isEndOfgame)
{
SendTargetedNotifications(game, GameUpdateAction.EndGame, arguments);
}
else
{
SendTargetedNotifications(game, action, arguments);
}
}
savedGame = CosmosDataService.Instance.GetItemAsync <Game>(game.Id).Result; //Comment out at some point if not needed
return(req.CreateResponse(HttpStatusCode.OK, savedGame));
}
catch (Exception e)
{
// track exceptions that occur
analytic.TrackException(e);
return(req.CreateErrorResponse(HttpStatusCode.BadRequest, e.Message, e));
}
}
}
async public static Task <HttpResponseMessage> Run([HttpTrigger(AuthorizationLevel.Anonymous, "post", Route = nameof(AnalyseCustomImage))]
HttpRequestMessage req, TraceWriter log)
{
using (var analytic = new AnalyticService(new RequestTelemetry
{
Name = nameof(AnalyseCustomImage)
}))
{
try
{
var allTags = new List <string>();
var j = JObject.Parse(req.Content.ReadAsStringAsync().Result);
var imageUrl = (string)j["imageUrl"];
var treasureId = (string)j["treasureId"];
var gameId = (string)j["gameId"];
var game = CosmosDataService.Instance.GetItemAsync <Game>(gameId).Result;
if (game == null)
{
return(req.CreateErrorResponse(HttpStatusCode.NotFound, "Game not found"));
}
var treasure = game.Treasures.SingleOrDefault(t => t.Id == treasureId);
if (treasure == null)
{
var data = new Event("Custom image analyzed for treasure failed");
data.Add("hint", treasure.Hint).Add("source", treasure.ImageSource).Add("sent", imageUrl);
await EventHubService.Instance.SendEvent(data);
return(req.CreateErrorResponse(HttpStatusCode.NotFound, "Treasure not found"));
}
var endpoint = new PredictionEndpoint {
ApiKey = ConfigManager.Instance.CustomVisionPredictionKey
};
//This is where we run our prediction against the default iteration
var result = endpoint.PredictImageUrl(new Guid(game.CustomVisionProjectId), new ImageUrl(imageUrl));
ImageTagPredictionModel goodTag = null;
// Loop over each prediction and write out the results
foreach (var prediction in result.Predictions)
{
if (treasure.Attributes.Any(a => a.Name.Equals(prediction.Tag, StringComparison.InvariantCultureIgnoreCase)))
{
if (prediction.Probability >= ConfigManager.Instance.CustomVisionMinimumPredictionProbability)
{
goodTag = prediction;
break;
}
}
}
{
var outcome = goodTag == null ? "failed" : "succeeded";
var data = new Event($"Custom image analyzed for treasure {outcome}");
if (goodTag != null)
{
data.Add("tags", goodTag.Tag).Add("probability", goodTag.Probability.ToString("P"));
}
data.Add("hint", treasure.Hint).Add("source", treasure.ImageSource).Add("sent", imageUrl);
await EventHubService.Instance.SendEvent(data);
}
return(req.CreateResponse(HttpStatusCode.OK, goodTag != null));
}
catch (Exception e)
{
analytic.TrackException(e);
return(req.CreateErrorResponse(HttpStatusCode.BadRequest, e));
}
}
}
public static HttpResponseMessage Run([HttpTrigger(AuthorizationLevel.Anonymous, "post", Route = nameof(AnalyseCustomImage))]
HttpRequestMessage req, TraceWriter log)
{
using (var analytic = new AnalyticService(new RequestTelemetry
{
Name = nameof(AnalyseCustomImage)
}))
{
try
{
var allTags = new List <string>();
var j = JObject.Parse(req.Content.ReadAsStringAsync().Result);
var imageUrl = (string)j["imageUrl"];
var treasureId = (string)j["treasureId"];
var gameId = (string)j["gameId"];
var game = CosmosDataService.Instance.GetItemAsync <Game>(gameId).Result;
if (game == null)
{
return(req.CreateErrorResponse(HttpStatusCode.NotFound, "Game not found"));
}
var treasure = game.Treasures.SingleOrDefault(t => t.Id == treasureId);
if (treasure == null)
{
return(req.CreateErrorResponse(HttpStatusCode.NotFound, "Treasure not found"));
}
var api = new TrainingApi(new TrainingApiCredentials(ConfigManager.Instance.CustomVisionTrainingKey));
var account = api.GetAccountInfo();
var predictionKey = account.Keys.PredictionKeys.PrimaryKey;
var creds = new PredictionEndpointCredentials(predictionKey);
var endpoint = new PredictionEndpoint(creds);
//This is where we run our prediction against the default iteration
var result = endpoint.PredictImageUrl(new Guid(game.CustomVisionProjectId), new ImageUrl(imageUrl));
bool toReturn = false;
// Loop over each prediction and write out the results
foreach (var outcome in result.Predictions)
{
if (treasure.Attributes.Any(a => a.Name.Equals(outcome.Tag, StringComparison.InvariantCultureIgnoreCase)))
{
if (outcome.Probability >= ConfigManager.Instance.CustomVisionMinimumPredictionProbability)
{
toReturn = true;
break;
}
}
}
return(req.CreateResponse(HttpStatusCode.OK, toReturn));
}
catch (Exception e)
{
analytic.TrackException(e);
return(req.CreateErrorResponse(HttpStatusCode.BadRequest, e));
}
}
}
public static HttpResponseMessage Run([HttpTrigger(AuthorizationLevel.Anonymous, "post", Route = nameof(TrainClassifier))]
HttpRequestMessage req, TraceWriter log)
{
using (var analytic = new AnalyticService(new RequestTelemetry
{
Name = nameof(TrainClassifier)
}))
{
try
{
var allTags = new List <string>();
var json = req.Content.ReadAsStringAsync().Result;
var j = JObject.Parse(json);
var gameId = (string)j["gameId"];
var imageUrls = j["imageUrls"].ToObject <List <string> >();
var tags = (JArray)j["tags"];
var game = CosmosDataService.Instance.GetItemAsync <Game>(gameId).Result;
var api = new TrainingApi(new TrainingApiCredentials(ConfigManager.Instance.CustomVisionTrainingKey));
ProjectModel project = null;
//Get the existing project for this game if there is one
if (!string.IsNullOrEmpty(game.CustomVisionProjectId))
{
try
{
project = api.GetProject(Guid.Parse(game.CustomVisionProjectId));
}
catch (Exception) { }
}
//Otherwise create a new project and associate it with the game
if (project == null)
{
project = api.CreateProject(game.Name, game.Id);
game.CustomVisionProjectId = project.Id.ToString();
CosmosDataService.Instance.UpdateItemAsync <Game>(game).Wait();
}
//Generate tag models for training
var tagModels = new List <ImageTagModel>();
foreach (string tag in tags)
{
var model = api.CreateTag(project.Id, tag.Trim());
tagModels.Add(model);
}
//Batch the image urls that were sent up from Azure Storage (blob)
var batch = new ImageUrlCreateBatch(tagModels.Select(m => m.Id).ToList(), imageUrls);
var summary = api.CreateImagesFromUrls(project.Id, batch);
if (!summary.IsBatchSuccessful)
{
return(req.CreateErrorResponse(HttpStatusCode.BadRequest, "Image batch was unsuccessful"));
}
//Traing the classifier and generate a new iteration, that we'll set as the default
var iteration = api.TrainProject(project.Id);
while (iteration.Status == "Training")
{
Thread.Sleep(1000);
iteration = api.GetIteration(project.Id, iteration.Id);
}
iteration.IsDefault = true;
api.UpdateIteration(project.Id, iteration.Id, iteration);
return(req.CreateResponse(HttpStatusCode.OK, true));
}
catch (Exception e)
{
analytic.TrackException(e);
return(req.CreateErrorResponse(HttpStatusCode.BadRequest, e));
}
}
}
