Add an error when the connection for the end calibration request fails (#1840)

Author: Gold856

photon-client/src/components/cameras/CameraCalibrationCard.vue

@@ -182,8 +182,10 @@ const startCalibration = () => {
 const showCalibEndDialog = ref(false);
 const calibCanceled = ref(false);
 const calibSuccess = ref<boolean | undefined>(undefined);
+const calibEndpointFail = ref(false);
 const endCalibration = () => {
   calibSuccess.value = undefined;
+  calibEndpointFail.value = false;
 
   if (!useStateStore().calibrationData.hasEnoughImages) {
     calibCanceled.value = true;
@@ -196,7 +198,13 @@ const endCalibration = () => {
     .then(() => {
       calibSuccess.value = true;
     })
-    .catch(() => {
+    .catch((e) => {
+      if (e.response) {
+        // Server returned a status code
+      } else if (e.request) {
+        // Something went wrong. Unsure if calibration actually worked
+        calibEndpointFail.value = true;
+      }
       calibSuccess.value = false;
     })
     .finally(() => {
@@ -525,6 +533,13 @@ const setSelectedVideoFormat = (format: VideoFormat) => {
               }}!
             </v-card-text>
           </template>
+          <template v-else-if="calibEndpointFail">
+            <v-icon color="gray" size="70"> mdi-help-circle-outline </v-icon>
+            <v-card-text
+              >Unable to determine if calibration was successful. Refresh this page and manually check if calibration
+              was successful.</v-card-text
+            >
+          </template>
           <template v-else>
             <v-icon color="red" size="70"> mdi-close </v-icon>
             <v-card-text>

photon-core/src/main/java/org/photonvision/vision/pipeline/Calibrate3dPipeline.java

@@ -210,7 +210,7 @@ public void finishCalibration() {
         broadcastState();
     }
 
-    private void broadcastState() {
+    public void broadcastState() {
         var state =
                 SerializationUtils.objectToHashMap(
                         new UICalibrationData(

photon-core/src/main/java/org/photonvision/vision/processes/VisionModule.java

@@ -395,6 +395,7 @@ public void startCalibration(UICalibrationData data) {
         settings.cameraAutoExposure = true;
 
         setPipeline(PipelineManager.CAL_3D_INDEX);
+        pipelineManager.calibration3dPipeline.broadcastState();
     }
 
     public void saveInputSnapshot() {