Implement deletion of asset-library files

facebook · Nov 29, 2017 · f8027bb · f8027bb
1 parent 37754c5
commit f8027bb
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Showing 2 changed files with 26 additions and 0 deletions.
diff --git a/Libraries/CameraRoll/CameraRoll.js b/Libraries/CameraRoll/CameraRoll.js
@@ -135,6 +135,10 @@ class CameraRoll {
     return this.saveToCameraRoll(tag, 'photo');
   }
 
+  static deletePhotos(photos: Array<string>) {
+    return RCTCameraRollManager.deletePhotos(photos);
+  }
+
   /**
    * Saves the photo or video to the camera roll / gallery.
    *

diff --git a/Libraries/CameraRoll/RCTCameraRollManager.m b/Libraries/CameraRoll/RCTCameraRollManager.m
@@ -12,6 +12,7 @@
 #import <CoreLocation/CoreLocation.h>
 #import <Foundation/Foundation.h>
 #import <UIKit/UIKit.h>
+#import <Photos/Photos.h>
 
 #import <React/RCTBridge.h>
 #import <React/RCTConvert.h>
@@ -234,6 +235,27 @@ static void RCTResolvePromise(RCTPromiseResolveBlock resolve,
   }];
 }
 
+RCT_EXPORT_METHOD(deletePhotos:(NSArray<NSString *>*)assets
+                  resolve:(RCTPromiseResolveBlock)resolve
+                  reject:(RCTPromiseRejectBlock)reject)
+{
+  NSArray<NSURL *> *assets_ = [RCTConvert NSURLArray:assets];
+  [[PHPhotoLibrary sharedPhotoLibrary] performChanges:^{
+      PHFetchResult<PHAsset *> *fetched =
+        [PHAsset fetchAssetsWithALAssetURLs:assets_ options:nil];
+      [PHAssetChangeRequest deleteAssets:fetched];
+    }
+  completionHandler:^(BOOL success, NSError *error) {
+      if (success == YES) {
+	resolve(@(success));
+      }
+      else {
+	reject(@"Couldn't delete", @"Couldn't delete assets", error);
+      }
+    }
+    ];
+}
+
 static void checkPhotoLibraryConfig()
 {
 #if RCT_DEV