Merge pull request #482 from IvanIFChen/tma953-camera-screen-merged-with-master

[TMA-953] Camera Screen from Master to PoC Video Branch

1 files changed, 98 insertions, 0 deletions

diff --git a/src/utils/camera.ts b/src/utils/camera.ts
new file mode 100644
index 00000000..3937129a
--- /dev/null
+++ b/src/utils/camera.ts
@@ -0,0 +1,98 @@
+import CameraRoll from '@react-native-community/cameraroll';
+import {RefObject} from 'react';
+import {Alert} from 'react-native';
+import {
+  RNCamera,
+  TakePictureOptions,
+  TakePictureResponse,
+} from 'react-native-camera';
+import ImagePicker, {Image, Video} from 'react-native-image-crop-picker';
+import {ERROR_UPLOAD} from '../constants/strings';
+
+/*
+ * Captures a photo and pauses to show the preview of the picture taken
+ */
+export const takePicture = (
+  cameraRef: RefObject<RNCamera>,
+  callback: (pic: TakePictureResponse) => void,
+) => {
+  if (cameraRef !== null) {
+    cameraRef.current?.pausePreview();
+    const options: TakePictureOptions = {
+      forceUpOrientation: true,
+      orientation: 'portrait',
+      writeExif: false,
+    };
+    cameraRef.current?.takePictureAsync(options).then((pic) => {
+      callback(pic);
+    });
+  }
+};
+
+export const saveImageToGallery = (capturedImageURI: string) => {
+  CameraRoll.save(capturedImageURI, {album: 'Recents', type: 'photo'})
+    .then((_res) => Alert.alert('Saved to device!'))
+    .catch((_err) => Alert.alert('Failed to save to device!'));
+};
+
+export const navigateToImagePicker = (callback: (pic: Image) => void) => {
+  ImagePicker.openPicker({
+    smartAlbums: [
+      'Favorites',
+      'RecentlyAdded',
+      'SelfPortraits',
+      'Screenshots',
+      'UserLibrary',
+    ],
+    mediaType: 'photo',
+  })
+    .then((pic) => {
+      callback(pic);
+    })
+    .catch((err) => {
+      if (err.code && err.code !== 'E_PICKER_CANCELLED') {
+        Alert.alert(ERROR_UPLOAD);
+      }
+    });
+};
+
+export const navigateToVideoPicker = (callback: (vid: Video) => void) => {
+  ImagePicker.openPicker({
+    mediaType: 'video',
+  })
+    .then(async (vid) => {
+      if (vid.path) {
+        callback(vid);
+      }
+    })
+    .catch((err) => {
+      if (err.code && err.code !== 'E_PICKER_CANCELLED') {
+        Alert.alert(ERROR_UPLOAD);
+      }
+    });
+};
+
+export const showGIFFailureAlert = (onSuccess: () => void) =>
+  Alert.alert(
+    'Warning',
+    'The app currently cannot handle GIFs, and will only save a static image.',
+    [
+      {
+        text: 'Cancel',
+        onPress: () => {},
+        style: 'cancel',
+      },
+      {
+        text: 'Post',
+        onPress: onSuccess,
+        style: 'default',
+      },
+    ],
+    {
+      cancelable: true,
+      onDismiss: () =>
+        Alert.alert(
+          'This alert was dismissed by tapping outside of the alert dialog.',
+        ),
+    },
+  );