feat: code scanner widget default camera (#26083)

## Description

- support for default mobile camera for code scanner widget

#### PR fixes following issue(s)
Fixes #25766 

#### Media

#### Type of change

- New feature (non-breaking change which adds functionality)

#### How Has This Been Tested?
> Please describe the tests that you ran to verify your changes. Also
list any relevant details for your test configuration.
> Delete anything that is not relevant
- [x] Manual
- [x] Jest
- [ ] Cypress
>
>
#### Test Plan
> Add Testsmith test cases links that relate to this PR
>
>
#### Issues raised during DP testing
> Link issues raised during DP testing for better visiblity and tracking
(copy link from comments dropped on this PR)
>
>
>
## Checklist:
#### Dev activity
- [x] My code follows the style guidelines of this project
- [x] I have performed a self-review of my own code
- [ ] I have commented my code, particularly in hard-to-understand areas
- [ ] I have made corresponding changes to the documentation
- [x] My changes generate no new warnings
- [x] I have added tests that prove my fix is effective or that my
feature works
- [x] New and existing unit tests pass locally with my changes
- [ ] PR is being merged under a feature flag


#### QA activity:
- [ ] [Speedbreak
features](https://github.com/appsmithorg/TestSmith/wiki/Guidelines-for-test-plans#speedbreakers-)
have been covered
- [ ] Test plan covers all impacted features and [areas of
interest](https://github.com/appsmithorg/TestSmith/wiki/Guidelines-for-test-plans#areas-of-interest-)
- [ ] Test plan has been peer reviewed by project stakeholders and other
QA members
- [ ] Manually tested functionality on DP
- [ ] We had an implementation alignment call with stakeholders post QA
Round 2
- [ ] Cypress test cases have been added and approved by SDET/manual QA
- [ ] Added `Test Plan Approved` label after Cypress tests were reviewed
- [ ] Added `Test Plan Approved` label after JUnit tests were reviewed

app/client/src/widgets/CameraWidget/component/index.tsx

@@ -46,7 +46,7 @@ import {
 import type { ThemeProp } from "widgets/constants";
 import { isAirgapped } from "@appsmith/utils/airgapHelpers";
 import { importSvg } from "design-system-old";
-import { getVideoConstraints } from "./utils";
+import { getVideoConstraints } from "../../utils";
 
 const CameraOfflineIcon = importSvg(
   () => import("assets/icons/widget/camera/camera-offline.svg"),

app/client/src/widgets/CameraWidget/constants.ts

@@ -45,8 +45,3 @@ export enum DeviceTypes {
   CAMERA = "CAMERA",
 }
 export type DeviceType = keyof typeof DeviceTypes;
-
-export enum DefaultMobileCameraTypes {
-  FRONT = "user",
-  BACK = "environment",
-}

app/client/src/widgets/CameraWidget/widget/index.tsx

@@ -7,16 +7,12 @@ import { base64ToBlob, createBlobUrl } from "utils/AppsmithUtils";
 import type { DerivedPropertiesMap } from "utils/WidgetFactory";
 import type { WidgetProps, WidgetState } from "widgets/BaseWidget";
 import BaseWidget from "widgets/BaseWidget";
-import { FileDataTypes } from "widgets/constants";
+import { DefaultMobileCameraTypes, FileDataTypes } from "widgets/constants";
 
 import type { SetterConfig, Stylesheet } from "entities/AppTheming";
 import CameraComponent from "../component";
 import type { CameraMode } from "../constants";
-import {
-  CameraModeTypes,
-  DefaultMobileCameraTypes,
-  MediaCaptureStatusTypes,
-} from "../constants";
+import { CameraModeTypes, MediaCaptureStatusTypes } from "../constants";
 import type { AutocompletionDefinitions } from "widgets/constants";
 import {
   BACK_CAMERA_LABEL,

app/client/src/widgets/CodeScannerWidget/component/index.tsx

@@ -28,6 +28,8 @@ import { ScannerLayout } from "../constants";
 import type { ThemeProp } from "widgets/constants";
 import { usePageVisibility } from "react-page-visibility";
 import { importSvg } from "design-system-old";
+import { getVideoConstraints } from "widgets/utils";
+import { isMobile } from "react-device-detect";
 
 const CameraOfflineIcon = importSvg(
   () => import("assets/icons/widget/camera/camera-offline.svg"),
@@ -415,9 +417,13 @@ function CodeScannerComponent(props: CodeScannerComponentProps) {
   const [error, setError] = useState<string>("");
   const [isImageMirrored, setIsImageMirrored] = useState(false);
   const [videoConstraints, setVideoConstraints] =
-    useState<MediaTrackConstraints>({
-      facingMode: "environment",
-    });
+    useState<MediaTrackConstraints>(
+      isMobile
+        ? {
+            facingMode: { ideal: props.defaultCamera },
+          }
+        : {},
+    );
 
   /**
    * Check if the tab is active.
@@ -458,10 +464,13 @@ function CodeScannerComponent(props: CodeScannerComponentProps) {
   const handleMediaDeviceChange = useCallback(
     (mediaDeviceInfo: MediaDeviceInfo) => {
       if (mediaDeviceInfo.kind === "videoinput") {
-        setVideoConstraints({
-          ...videoConstraints,
-          deviceId: mediaDeviceInfo.deviceId,
-        });
+        const constraints = getVideoConstraints(
+          videoConstraints,
+          isMobile,
+          "",
+          mediaDeviceInfo.deviceId,
+        );
+        setVideoConstraints(constraints);
       }
     },
     [],
@@ -629,6 +638,7 @@ export interface CodeScannerComponentProps extends ComponentProps {
   onCodeDetected: (value: string) => void;
   scannerLayout: ScannerLayout;
   shouldButtonFitContent: boolean;
+  defaultCamera: string;
 }
 
 export default CodeScannerComponent;

app/client/src/widgets/CodeScannerWidget/constants.ts

@@ -15,6 +15,7 @@ export interface CodeScannerWidgetProps extends WidgetProps {
   iconAlign?: Alignment;
   placement?: ButtonPlacement;
   scannerLayout: ScannerLayout;
+  defaultCamera: string;
 }
 
 export enum ScannerLayout {

app/client/src/widgets/CodeScannerWidget/widget/index.tsx

@@ -77,6 +77,7 @@ class CodeScannerWidget extends BaseWidget<
         borderRadius={this.props.borderRadius}
         boxShadow={this.props.boxShadow}
         buttonColor={this.props.buttonColor || this.props.accentColor}
+        defaultCamera={this.props.defaultCamera}
         iconAlign={this.props.iconAlign}
         iconName={this.props.iconName}
         isDisabled={this.props.isDisabled}

app/client/src/widgets/CodeScannerWidget/widget/propertyConfig/contentConfig.ts

@@ -1,8 +1,16 @@
 import type { PropertyPaneConfig } from "constants/PropertyControlConstants";
 import { ValidationTypes } from "constants/WidgetValidation";
 import { isAutoLayout } from "utils/autoLayout/flexWidgetUtils";
+import { DefaultMobileCameraTypes } from "widgets/constants";
 import type { CodeScannerWidgetProps } from "widgets/CodeScannerWidget/constants";
 import { ScannerLayout } from "widgets/CodeScannerWidget/constants";
+import {
+  BACK_CAMERA_LABEL,
+  DEFAULT_CAMERA_LABEL,
+  DEFAULT_CAMERA_LABEL_DESCRIPTION,
+  FRONT_CAMERA_LABEL,
+  createMessage,
+} from "@appsmith/constants/messages";
 export default [
   {
     sectionName: "Basic",
@@ -93,6 +101,35 @@ export default [
           props.scannerLayout === ScannerLayout.ALWAYS_ON,
         dependencies: ["scannerLayout"],
       },
+      {
+        propertyName: "defaultCamera",
+        label: createMessage(DEFAULT_CAMERA_LABEL),
+        helpText: createMessage(DEFAULT_CAMERA_LABEL_DESCRIPTION),
+        controlType: "DROP_DOWN",
+        defaultValue: DefaultMobileCameraTypes.BACK,
+        options: [
+          {
+            label: createMessage(FRONT_CAMERA_LABEL),
+            value: DefaultMobileCameraTypes.FRONT,
+          },
+          {
+            label: createMessage(BACK_CAMERA_LABEL),
+            value: DefaultMobileCameraTypes.BACK,
+          },
+        ],
+        isBindProperty: true,
+        isTriggerProperty: false,
+        validation: {
+          type: ValidationTypes.TEXT,
+          params: {
+            allowedValues: [
+              DefaultMobileCameraTypes.FRONT,
+              DefaultMobileCameraTypes.BACK,
+            ],
+            default: DefaultMobileCameraTypes.BACK,
+          },
+        },
+      },
     ],
   },
 

app/client/src/widgets/CodeScannerWidget/widget/propertyConfig/contetConfig.test.ts

@@ -0,0 +1,36 @@
+import type {
+  PropertyPaneConfig,
+  PropertyPaneControlConfig,
+} from "constants/PropertyControlConstants";
+import contentConfig from "./contentConfig";
+import { DefaultMobileCameraTypes } from "widgets/constants";
+
+describe("codescanner property control", () => {
+  const propertyConfigs = contentConfig
+    .map((sectionConfig) => sectionConfig.children)
+    .flat() as PropertyPaneControlConfig[];
+
+  const defaultCameraProperty = propertyConfigs.find(
+    (propertyConfig) => propertyConfig.propertyName === "defaultCamera",
+  ) as PropertyPaneConfig;
+
+  it("validates the codescanner widget has a default camera property", () => {
+    expect(defaultCameraProperty).not.toBeNull();
+  });
+
+  it("validates the options for default mobile camera property", () => {
+    expect((defaultCameraProperty as any).options).toHaveLength(2);
+    expect((defaultCameraProperty as any).options[0].value).toEqual(
+      DefaultMobileCameraTypes.FRONT,
+    );
+    expect((defaultCameraProperty as any).options[1].value).toEqual(
+      DefaultMobileCameraTypes.BACK,
+    );
+  });
+
+  it("validates the default mobile camera value to be back camera", () => {
+    expect((defaultCameraProperty as any).defaultValue).toEqual(
+      DefaultMobileCameraTypes.BACK,
+    );
+  });
+});

app/client/src/widgets/constants.ts

@@ -377,3 +377,8 @@ export type ThemeProp = {
 };
 
 export type SnipingModeProperty = Record<"data" | "run", string>;
+
+export enum DefaultMobileCameraTypes {
+  FRONT = "user",
+  BACK = "environment",
+}