From 604fc6f818f4e3ffe18ce4c0548bf65131cb384e Mon Sep 17 00:00:00 2001
From: YangJH <jhaugusty@gmail.com>
Date: Tue, 12 Mar 2024 01:11:11 +0900
Subject: [PATCH] refactor: add permission checker

---
 ios/Video/Features/RCTVideoCapture.swift | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/ios/Video/Features/RCTVideoCapture.swift b/ios/Video/Features/RCTVideoCapture.swift
index c70bd13bba..8005c081a8 100644
--- a/ios/Video/Features/RCTVideoCapture.swift
+++ b/ios/Video/Features/RCTVideoCapture.swift
@@ -1,8 +1,10 @@
 import AVFoundation
+import Photos
 
 // MARK: - CaptureError
 
 enum CaptureError: Error {
+    case permissionDenied
     case emptyPlayerItem
     case emptyPlayerItemOutput
     case emptyBuffer
@@ -22,12 +24,11 @@ enum RCTVideoCapture {
     ) {
         DispatchQueue.global(qos: .userInitiated).async {
             do {
+                try RCTVideoCapture.checkPhotoAddPermission()
                 let playerItem = try playerItem ?? { throw CaptureError.emptyPlayerItem }()
                 let playerOutput = try playerOutput ?? { throw CaptureError.emptyPlayerItemOutput }()
 
                 let currentTime = playerItem.currentTime()
-                let settings = [kCVPixelBufferPixelFormatTypeKey as String: kCVPixelFormatType_32BGRA]
-                let output = AVPlayerItemVideoOutput(pixelBufferAttributes: settings)
                 let buffer = try playerOutput.copyPixelBuffer(forItemTime: currentTime, itemTimeForDisplay: nil) ?? { throw CaptureError.emptyBuffer }()
 
                 let ciImage = CIImage(cvPixelBuffer: buffer)
@@ -50,4 +51,19 @@ enum RCTVideoCapture {
             }
         }
     }
+
+    static private func checkPhotoAddPermission() throws {
+        var status: PHAuthorizationStatus?
+        if #available(iOS 14, *) {
+            status = PHPhotoLibrary.authorizationStatus(for: .addOnly)
+        } else {
+            status = PHPhotoLibrary.authorizationStatus()
+        }
+        switch status {
+            case .restricted, .denied:
+                throw CaptureError.permissionDenied
+            default:
+                return;
+        }
+    }
 }