From f837bbd22f13db7cc1099e7341b5d425ba77ea68 Mon Sep 17 00:00:00 2001
From: unknown <mlapaglia@gmail.com>
Date: Fri, 10 Nov 2023 10:53:06 -0500
Subject: [PATCH] some fixes

---
 .../Cameras/GetMask/GetCameraMaskHandler.cs   |  5 +++
 .../UpsertMask/UpsertCameraMaskHandler.cs     | 14 +++++--
 OpenAlprWebhookProcessor/Startup.cs           |  2 +
 .../camera-mask/camera-mask.component.ts      | 42 +++++++++++--------
 4 files changed, 42 insertions(+), 21 deletions(-)

diff --git a/OpenAlprWebhookProcessor/Cameras/GetMask/GetCameraMaskHandler.cs b/OpenAlprWebhookProcessor/Cameras/GetMask/GetCameraMaskHandler.cs
index 29ed091e..d6af07cb 100644
--- a/OpenAlprWebhookProcessor/Cameras/GetMask/GetCameraMaskHandler.cs
+++ b/OpenAlprWebhookProcessor/Cameras/GetMask/GetCameraMaskHandler.cs
@@ -29,6 +29,11 @@ public async Task<List<MaskCoordinate>> GetCameraMaskAsync(
                 .Select(x => x.Coordinates)
                 .FirstOrDefaultAsync(cancellationToken);
 
+            if (maskCoordinates == null)
+            {
+                maskCoordinates = string.Empty; 
+            }
+
             return JsonSerializer.Deserialize<List<MaskCoordinate>>(maskCoordinates);
         }
     }
diff --git a/OpenAlprWebhookProcessor/Cameras/UpsertMask/UpsertCameraMaskHandler.cs b/OpenAlprWebhookProcessor/Cameras/UpsertMask/UpsertCameraMaskHandler.cs
index 1dde01ef..5a1b02e2 100644
--- a/OpenAlprWebhookProcessor/Cameras/UpsertMask/UpsertCameraMaskHandler.cs
+++ b/OpenAlprWebhookProcessor/Cameras/UpsertMask/UpsertCameraMaskHandler.cs
@@ -36,10 +36,18 @@ public async Task<bool> UpsertCameraMaskAsync(
                 .Include(x => x.Mask)
                 .FirstOrDefaultAsync(x => x.Id == cameraMask.CameraId, cancellationToken);
 
-            camera.Mask = new Data.CameraMask()
+            if (cameraMask.Coordinates.Any())
             {
-                Coordinates = JsonSerializer.Serialize(cameraMask.Coordinates),
-            };
+                camera.Mask = new CameraMask()
+                {
+                    Coordinates = JsonSerializer.Serialize(cameraMask.Coordinates),
+                };
+            }
+            else
+            {
+                camera.Mask = null;
+            }
+
 
             var result = await _websocketClientOrganizer.UpsertCameraMaskAsync(
                 agentUid,
diff --git a/OpenAlprWebhookProcessor/Startup.cs b/OpenAlprWebhookProcessor/Startup.cs
index 89a03a9a..01b4825b 100644
--- a/OpenAlprWebhookProcessor/Startup.cs
+++ b/OpenAlprWebhookProcessor/Startup.cs
@@ -181,6 +181,8 @@ public void ConfigureServices(IServiceCollection services)
             services.AddScoped<TriggerAutofocusHandler>();
             services.AddScoped<UpsertCameraMaskHandler>();
             services.AddScoped<GetCameraMaskHandler>();
+            services.AddScoped<DisableAgentRequestHandler>();
+            services.AddScoped<EnableAgentRequestHandler>();
 
             services.AddScoped<UpsertWebPushClientRequestHandler>();
             services.AddScoped<GetWebPushClientRequestHandler>();
diff --git a/OpenAlprWebhookProcessor/angularapp/src/app/settings/cameras/edit-camera/camera-mask/camera-mask.component.ts b/OpenAlprWebhookProcessor/angularapp/src/app/settings/cameras/edit-camera/camera-mask/camera-mask.component.ts
index db9b4fd9..47ea8a14 100644
--- a/OpenAlprWebhookProcessor/angularapp/src/app/settings/cameras/edit-camera/camera-mask/camera-mask.component.ts
+++ b/OpenAlprWebhookProcessor/angularapp/src/app/settings/cameras/edit-camera/camera-mask/camera-mask.component.ts
@@ -196,31 +196,37 @@ export class CameraMaskComponent implements OnInit {
   }
   
   public saveMask() {
-    this.savingCtx.drawImage(this.image, 0, 0, this.image.width, this.image.height);
-    this.savingCtx.fillStyle = 'white';
-    this.savingCtx.fillRect(0, 0, this.image.width, this.image.height);
+    let cameraMask = new CameraMask();
+    cameraMask.coordinates = [];
+    cameraMask.cameraId = this.camera.id;
 
-    this.savingCtx.beginPath();
-    this.savingCtx.moveTo(this.coordinates[0].x * this.scaleFactor, this.coordinates[0].y * this.scaleFactor);
+    if (this.coordinates.length > 0) {
+      this.savingCtx.drawImage(this.image, 0, 0, this.image.width, this.image.height);
+      this.savingCtx.fillStyle = 'white';
+      this.savingCtx.fillRect(0, 0, this.image.width, this.image.height);
 
-    for (let i = 1; i < this.coordinates.length; i++) {
-      this.savingCtx.lineTo(this.coordinates[i].x * this.scaleFactor, this.coordinates[i].y * this.scaleFactor);
-    }
+      this.savingCtx.beginPath();
+      this.savingCtx.moveTo(this.coordinates[0].x * this.scaleFactor, this.coordinates[0].y * this.scaleFactor);
 
-    this.savingCtx.closePath();
-    this.savingCtx.globalCompositeOperation = 'destination-out';
-    this.savingCtx.fill();
-    this.savingCtx.globalCompositeOperation = 'source-over';
+      for (let i = 1; i < this.coordinates.length; i++) {
+        this.savingCtx.lineTo(this.coordinates[i].x * this.scaleFactor, this.coordinates[i].y * this.scaleFactor);
+      }
 
-    let cameraMask = new CameraMask();
-    cameraMask.imageMask = this.savingCanvas.nativeElement.toDataURL('image/jpeg', 1.0);
-    cameraMask.cameraId = this.camera.id;
-    cameraMask.coordinates = [];
+      this.savingCtx.closePath();
+      this.savingCtx.globalCompositeOperation = 'destination-out';
+      this.savingCtx.fill();
+      this.savingCtx.globalCompositeOperation = 'source-over';
+
+      for (let i = 0; i < this.coordinates.length; i++) {
+        cameraMask.coordinates.push({ x: this.coordinates[i].x * this.scaleFactor, y: this.coordinates[i].y * this.scaleFactor });
+      }
 
-    for (let i = 0; i < this.coordinates.length; i++) {
-      cameraMask.coordinates.push({ x: this.coordinates[i].x * this.scaleFactor, y: this.coordinates[i].y * this.scaleFactor });
+      cameraMask.imageMask = this.savingCanvas.nativeElement.toDataURL('image/jpeg', 1.0);
     }
 
+    cameraMask.imageMask = this.savingCanvas.nativeElement.toDataURL('image/jpeg', 1.0);
+    
+
     this.cameraMaskService.upsertImageMask(cameraMask).subscribe(() => {
       this.snackbarService.create("Camera mask saved.", SnackBarType.Saved);
     },