feat(iOS): Include subtype in get albums. (#526)

README.md

@@ -206,6 +206,7 @@ Returns a Promise with a list of albums
 Array of `Album` object
   * title: {string}
   * count: {number}
+  * subtype: {string | undefined} : See AlbumSubType type for possible values. iOS only.
 
 ---
 

ios/RNCCameraRoll.mm

@@ -262,9 +262,11 @@ RCT_EXPORT_METHOD(getAlbums:(NSDictionary *)params
     // Enumerate assets within the collection
     PHFetchResult<PHAsset *> *const assetsFetchResult = [PHAsset fetchAssetsInAssetCollection:obj options:assetFetchOptions];
     if (assetsFetchResult.count > 0) {
+      NSString *subtypeString = subTypeLabelForCollection(obj);
       [result addObject:@{
         @"title": [obj localizedTitle],
-        @"count": @(assetsFetchResult.count)
+        @"count": @(assetsFetchResult.count),
+        @"subtype": subtypeString
       }];
     }
   }];
@@ -685,6 +687,29 @@ RCT_EXPORT_METHOD(getPhotoByInternalID:(NSString *)internalId
   }, false);
 }
 
+NSString *subTypeLabelForCollection(PHAssetCollection *assetCollection) {
+    PHAssetCollectionSubtype subtype = assetCollection.assetCollectionSubtype;
+  
+    switch (subtype) {
+        case PHAssetCollectionSubtypeAlbumRegular:
+            return @"AlbumRegular";
+        case PHAssetCollectionSubtypeAlbumSyncedEvent:
+            return @"AlbumSyncedEvent";
+        case PHAssetCollectionSubtypeAlbumSyncedFaces:
+          return @"AlbumSyncedFaces";
+      case PHAssetCollectionSubtypeAlbumSyncedAlbum:
+          return @"AlbumSyncedAlbum";
+      case PHAssetCollectionSubtypeAlbumImported:
+          return @"AlbumImported";
+      case PHAssetCollectionSubtypeAlbumMyPhotoStream:
+          return @"AlbumMyPhotoStream";
+      case PHAssetCollectionSubtypeAlbumCloudShared:
+          return @"AlbumCloudShared";      
+      default:
+          return @"Unknown";
+  }
+}
+
 - (NSArray<NSString *> *) mediaSubTypeLabelsForAsset:(PHAsset *)asset {
     PHAssetMediaSubtype subtype = asset.mediaSubtypes;
     NSMutableArray<NSString*> *mediaSubTypeLabels = [NSMutableArray array];

src/CameraRoll.ts

@@ -158,9 +158,20 @@ export type GetAlbumsParams = {
   assetType?: AssetType;
 };
 
+export type AlbumSubType =
+  | 'AlbumRegular'
+  | 'AlbumSyncedEvent'
+  | 'AlbumSyncedFaces'
+  | 'AlbumSyncedAlbum'
+  | 'AlbumImported'
+  | 'AlbumMyPhotoStream'
+  | 'AlbumCloudShared'
+  | 'Unknown';
+
 export type Album = {
   title: string;
   count: number;
+  subtype?: AlbumSubType;
 };
 
 /**

src/NativeCameraRollModule.ts

@@ -3,9 +3,20 @@
 // and we want to stay compatible with those
 import {TurboModuleRegistry, TurboModule} from 'react-native';
 
+export type AlbumSubType =
+  | 'AlbumRegular'
+  | 'AlbumSyncedEvent'
+  | 'AlbumSyncedFaces'
+  | 'AlbumSyncedAlbum'
+  | 'AlbumImported'
+  | 'AlbumMyPhotoStream'
+  | 'AlbumCloudShared'
+  | 'Unknown';
+
 type Album = {
   title: string;
   count: number;
+  subtype?: AlbumSubType;
 };
 
 type SubTypes =