feat: OnScanCompleted event & output dir & send photos

src/CasaBot/AutoScan/AutoScanApp.cs

@@ -15,6 +15,8 @@ public class AutoScanApp
     private readonly IScheduler _scheduler;
     private readonly IChainerListenerFactory _chainerListenerFactory;
     
+    public Func<AutoScanOptions, Task>? OnScanCompleted { get; set; }
+
     public AutoScanApp(IOptions<AutoScanOptions> options, ILogger<AutoScanApp> logger, IScheduler scheduler, IChainerListenerFactory chainerListenerFactory)
     {
         _options = options.Value;
@@ -60,6 +62,7 @@ public class AutoScanApp
 
         var chainer = _chainerListenerFactory.CreateChainerListener("Scan Chainer");
         chainer.AddJobChainLink(downloaderJob.Key, scannerJob.Key);
+        chainer.OnJobChainFinished = async () => await OnScanCompleted?.Invoke(_options);
         
         _scheduler.ListenerManager.AddJobListener(chainer, GroupMatcher<JobKey>.GroupEquals(groupName));
 

src/CasaBot/AutoScan/Implementations/DVRScanner.cs

@@ -28,7 +28,7 @@ public class DVRScanner : IDVRScanner
         {
             _logger.LogDebug("Scanning videos...");
             var folderParam = Path.Combine(_options.MediaFolder!, "*.mp4");
-            var arguments = $"-i {folderParam} -c {_options.Scanner.ConfigFile} --thumbnails highscore";
+            var arguments = $"-i {folderParam} -c {_options.Scanner.ConfigFile} --output-dir {_options.Scanner.DetectionFolder} --thumbnails highscore";
             _logger.LogDebug("Executing command: {_dvrScannerFile} {arguments}", _options.Scanner.Exe, arguments);
             var process = new Process
             {
@@ -36,7 +36,7 @@ public class DVRScanner : IDVRScanner
                 {
                     FileName = _options.Scanner.Exe,
                     Arguments = arguments,
-                    RedirectStandardOutput = true,
+                    RedirectStandardOutput = false,
                     RedirectStandardError = false,
                     UseShellExecute = false,
                     CreateNoWindow = true,

src/CasaBot/AutoScan/Implementations/ShinobiConnector.cs

@@ -48,7 +48,7 @@ public class ShinobiConnector : IDVRConnector
         }).OrderBy(x => x.time).ToList();
     }
 
-    public async Task DownloadMonitorVideo(VideoDetail video, string downloadFolder, CancellationToken cancellationToken = default)
+    public async Task DownloadMonitorVideo(VideoDetail video, string downloadFolder, bool runDry, CancellationToken cancellationToken = default)
     {
         var endpoint = $"{_options.URL}{video.href}";
         _logger.LogDebug("Fetching video from endpoint: {Endpoint}", endpoint);
@@ -62,7 +62,7 @@ public class ShinobiConnector : IDVRConnector
             _logger.LogDebug("Downloading video...");
             var videoData = await _httpClient.GetByteArrayAsync(endpoint, cancellationToken);
             
-            if(_options.RunDry)
+            if(runDry)
             {
                 _logger.LogInformation("RunDry is enabled, skipping video download");
                 return;

src/CasaBot/AutoScan/Interfaces/IDVRConnector.cs

@@ -5,5 +5,5 @@ namespace AutoScan.Interfaces;
 public interface IDVRConnector
 {
     Task<List<VideoDetail>> FetchMonitorVideosBetween(DateTime from, DateTime to, CancellationToken cancellationToken = default);
-    Task DownloadMonitorVideo(VideoDetail video, string downloadFolder, CancellationToken cancellationToken = default);
+    Task DownloadMonitorVideo(VideoDetail video, string downloadFolder, bool runDry = false, CancellationToken cancellationToken = default);
 }

src/CasaBot/AutoScan/Jobs/DownloaderJob.cs

@@ -65,7 +65,7 @@ public class DownloaderJob : IJob
         foreach (var video in videos)
         {
             _logger.LogDebug("Downloading video {Filename}", video.filename);
-            await _dvrConnector.DownloadMonitorVideo(video, _options.MediaFolder, context.CancellationToken);
+            await _dvrConnector.DownloadMonitorVideo(video, _options.MediaFolder, _options.RunDry, context.CancellationToken);
         }
         
         context.Result = new JobResult()
@@ -78,8 +78,9 @@ public class DownloaderJob : IJob
     
     private void CleanMediaFolder()
     {
-        if (_options.MediaFolder is not null)
+        if (_options.MediaFolder is not null && !_options.RunDry)
         {
+            _logger.LogDebug("Cleaning media folder {MediaFolder}", _options.MediaFolder);
             Directory.CreateDirectory(Path.GetDirectoryName(_options.MediaFolder)!);
             foreach (var file in Directory.GetFiles(_options.MediaFolder))
             {
@@ -87,8 +88,9 @@ public class DownloaderJob : IJob
             }    
         }
         
-        if(_options.Scanner?.DetectionFolder is not null)
+        if(_options.Scanner?.DetectionFolder is not null && !_options.Scanner.RunDry)
         {
+            _logger.LogDebug("Cleaning detection folder {DetectionFolder}", _options.Scanner.DetectionFolder);
             Directory.CreateDirectory(Path.GetDirectoryName(_options.Scanner.DetectionFolder)!);
             foreach (var file in Directory.GetFiles(_options.Scanner.DetectionFolder))
             {
@@ -96,15 +98,5 @@ public class DownloaderJob : IJob
             }
         }
         
-        if(_options.Screenshot?.Folder is not null)
-        {
-            Directory.CreateDirectory(Path.GetDirectoryName(_options.Screenshot.Folder)!);
-            foreach (var file in Directory.GetFiles(_options.Screenshot.Folder))
-            {
-                File.Delete(file);
-            }
-        }
-        
-        
     }
 }

src/CasaBot/AutoScan/Jobs/ScannerJob.cs

@@ -14,12 +14,10 @@ public class ScannerJob : IJob
         _logger = logger;
         _scanner = scanner;
     }
-    public Task Execute(IJobExecutionContext context)
+    public async Task Execute(IJobExecutionContext context)
     {
         _logger.LogInformation("Scanner {scannerName} is ready to scan!", _scanner.GetType().Name);
 
-        _scanner.ScanVideos();
-        return Task.CompletedTask;
-        
+        await _scanner.ScanVideos();
     }
 }

src/CasaBot/AutoScan/Listener/ChainerListener.cs

@@ -9,6 +9,7 @@ public class ChainerListener : JobListenerSupport
 {
     private readonly ILogger<ChainerListener> _logger;
     private readonly Dictionary<JobKey, JobKey> _chainLinks;
+    public Func<Task> OnJobChainFinished { get; set; }
     
     public ChainerListener(string name, ILogger<ChainerListener> logger)
     {
@@ -51,8 +52,14 @@ public class ChainerListener : JobListenerSupport
 
         if (sj == null)
         {
+            //check if it's the last one in the chain
+            if (_chainLinks.ContainsValue(context.JobDetail.Key))
+            {
+                _logger.LogInformation("Job '{JobKey}' is the last in the chain", context.JobDetail.Key);
+                await OnJobChainFinished?.Invoke();
                 return;
             }
+        }
 
         _logger.LogInformation("Job '{JobKey}' will now chain to Job '{sj}'", context.JobDetail.Key, sj);
 

src/CasaBot/AutoScan/Options/AutoScanOptions.cs

@@ -2,6 +2,7 @@ namespace AutoScan.Options;
 
 public record AutoScanOptions
 {
+    public bool RunDry { get; set; } = false;
     public bool Enabled { get; set; }
     public string At { get; set; } = "06:00";
     public bool FromDayBefore { get; set; }
@@ -10,5 +11,4 @@ public record AutoScanOptions
     public int MaxAmount { get; set; }
     public string? MediaFolder { get; set; }
     public ScannerOptions? Scanner { get; set; }
-    public ScreenshotOptions? Screenshot { get; set; }
 }

src/CasaBot/AutoScan/Options/ScreenshotOptions.cs

@@ -1,7 +0,0 @@
-namespace AutoScan.Options;
-
-public class ScreenshotOptions
-{
-    public string? Folder { get; set; }
-    public int OffsetSeconds { get; set; }
-}

src/CasaBot/AutoScan/Options/ShinobiOptions.cs

@@ -6,5 +6,4 @@ public class ShinobiOptions
     public string? APIKey { get; set; }
     public string? GroupId { get; set; }
     public string? MonitorId { get; set; }
-    public bool RunDry { get; set; } = false;
 }

src/CasaBot/CasaBotApp/BotHandler.cs

@@ -89,6 +89,32 @@ public class BotHandler : IUpdateHandler
             await SndPhoto(subscriber, stream);
         }
     }
+    
+    public async Task UpdatePhotos(string[] paths)
+    {
+        
+        if (_subscribers.Count == 0)
+        {
+            _logger.LogWarning("No subscribers to send message to");
+            return;
+        }
+
+        var streams = paths.Select(File.OpenRead).ToList();
+        var photos = streams.Select(stream => new PhotoFile(stream)).Cast<IGroupableMedia>().ToList();
+        
+        foreach (var subscriber in _subscribers)
+        {
+            var request = new SendMediaGroup(subscriber.Id.ToString(), photos);
+            await _bot.HandleAsync(request);
+        }
+        
+        foreach (var stream in streams)
+        {
+            stream.Close();
+            await stream.DisposeAsync();
+        }
+    }
+    
     private async Task SendImageTest(long id)
     {
         await using var stream = File.OpenRead(@"C:\Users\GuillermoMarcel\Pictures\prueba.jpeg");

src/CasaBot/CasaBotApp/Dockerfile

@@ -18,6 +18,11 @@ RUN dotnet publish "CasaBotApp/CasaBotApp.csproj" -a $TARGETARCH --no-restore -o
 # Runtime stage
 FROM mcr.microsoft.com/dotnet/runtime:9.0
 WORKDIR /app
+
+# I need to run this "python3 -m pip install dvr-scan[opencv]" install everything needed
+RUN apt-get update && apt-get install -y python3 python3-pip
+RUN python3 -m pip install dvr-scan[opencv-headless] --break-system-packages
+
 COPY --link --from=build /app .
 USER $APP_UID
 ENTRYPOINT ["dotnet", "CasaBotApp.dll"]

src/CasaBot/CasaBotApp/Program.cs

@@ -5,6 +5,7 @@ using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
 using Telegram.Bots;
 using Telegram.Bots.Extensions.Polling;
 
@@ -60,7 +61,17 @@ using var cts = new CancellationTokenSource();
 _ = autoScanApp.Run(cts.Token);
 botHandler.Start(cts.Token);
 
-_ = SendMessageToSubscribers(cts.Token);
+autoScanApp.OnScanCompleted = async options =>
+{
+    logger.LogInformation("Scan completed at {At}", DateTime.Now);
+    
+    //list all the images in the detection folder
+    if (options.Scanner?.DetectionFolder is null)
+        return;
+    var images = Directory.GetFiles(options.Scanner.DetectionFolder , "*.jpg");
+    botHandler.UpdatePhotos(images);
+};
+
 
 _ = host.RunAsync(cts.Token);
 
@@ -72,15 +83,5 @@ await cts.CancelAsync(); // stop the bot
 return;
 
 
-async Task SendMessageToSubscribers(CancellationToken cancellationToken)
-{
-    while (!cancellationToken.IsCancellationRequested)
-    {
-        await Task.Delay(TimeSpan.FromSeconds(30), cancellationToken);
-        logger.LogInformation("Sending message to subscribers");
-        await botHandler.Update($"Hello from CasaBot! at {DateTime.Now}");
-    }
-}
-
 
 

src/CasaBot/CasaBotApp/appsettings.json

@@ -18,10 +18,10 @@
         "APIKey": "APIKEY",
         "GroupId": "Group",
         "MonitorId": "Monitor",
-        "RunDry": false
     },
     "AutoScan": {
-        "Enabled": false,
+        "Enabled": true,
+        "RunDry": true,
         "At": "07:00",
         "FromDayBefore": true,
         "From": "23:00",
@@ -32,11 +32,7 @@
             "Exe": "./dvr-scanner/dvr-scan.exe",
             "ConfigFile": "./dvr-scanner/dvr-scan.cfg",
             "DetectionFolder": "./media/detections/",
-            "RunDry": false
-        },
-        "Screenshot": {
-            "Folder": "./media/screenshots/",
-            "OffsetSeconds": 0
+            "RunDry": true
         }
     }
 }