Merge pull request 'merge-always-use-environment-camera' (#11) from always-use-environment-camera into main

Reviewed-on: #11

frontend/src/shared/utils/useScanner.ts

@@ -103,15 +103,25 @@ export const useScanner = ({
   };
 
   const getCameraId = useCallback(async () => {
-    await navigator.mediaDevices.getUserMedia({
-      video: true,
+    const stream = await navigator.mediaDevices.getUserMedia({
+      video: { facingMode: "environment" },
     });
 
+    if (
+      stream &&
+      stream.getVideoTracks().length &&
+      stream.getVideoTracks()[0].getSettings().deviceId
+    ) {
+      return stream.getVideoTracks()[0].getSettings().deviceId;
+    }
+
     const devices = await navigator.mediaDevices
       .enumerateDevices()
       .then((ds) => ds.filter((d) => d.kind === "videoinput"));
 
-    const back = devices.filter((d) => d.label === "Back Camera")[0];
+    const back = devices.filter((d) =>
+      d.label.toLowerCase().includes("back")
+    )[0];
 
     return !back ? devices[0].deviceId : back.deviceId;
   }, []);