Feature: front/back camera toggle

- Added to gifting and profile dialog camera for now. Toggle button is hidden in desktop.
- WIP: same feature for QR scanner camera.
- WIP: ability to specify default camera depending on where it's called.

src/services/platforms/CapacitorPlatformService.ts

@@ -4,7 +4,7 @@ import {
   PlatformCapabilities,
 } from "../PlatformService";
 import { Filesystem, Directory, Encoding } from "@capacitor/filesystem";
-import { Camera, CameraResultType, CameraSource } from "@capacitor/camera";
+import { Camera, CameraResultType, CameraSource, CameraDirection } from "@capacitor/camera";
 import { Share } from "@capacitor/share";
 import { logger } from "../../utils/logger";
 
@@ -16,6 +16,9 @@ import { logger } from "../../utils/logger";
  * - Platform-specific features
  */
 export class CapacitorPlatformService implements PlatformService {
+  /** Current camera direction */
+  private currentDirection: CameraDirection = 'BACK';
+
   /**
    * Gets the capabilities of the Capacitor platform
    * @returns Platform capabilities object
@@ -28,6 +31,7 @@ export class CapacitorPlatformService implements PlatformService {
       isIOS: /iPad|iPhone|iPod/.test(navigator.userAgent),
       hasFileDownload: false,
       needsFileHandlingInstructions: true,
+      isNativeApp: true,
     };
   }
 
@@ -401,6 +405,7 @@ export class CapacitorPlatformService implements PlatformService {
         allowEditing: true,
         resultType: CameraResultType.Base64,
         source: CameraSource.Camera,
+        direction: this.currentDirection,
       });
 
       const blob = await this.processImageData(image.base64String);
@@ -466,6 +471,15 @@ export class CapacitorPlatformService implements PlatformService {
     return new Blob(byteArrays, { type: "image/jpeg" });
   }
 
+  /**
+   * Rotates the camera between front and back cameras.
+   * @returns Promise that resolves when the camera is rotated
+   */
+  async rotateCamera(): Promise<void> {
+    this.currentDirection = this.currentDirection === 'BACK' ? 'FRONT' : 'BACK';
+    logger.debug(`Camera rotated to ${this.currentDirection} camera`);
+  }
+
   /**
    * Handles deep link URLs for the application.
    * Note: Capacitor handles deep links automatically.