✨ [feat] #36 사진 추가 버튼 클릭시 갤러리에서 사진 1개 선택해오도록 구현

Author: pearhyunjin

FunForYou/FunForYou/Sources/Common/UIKitWrapper/PhotoPicker.swift

@@ -0,0 +1,49 @@
+//
+//  Untitled.swift
+//  FunForYou
+//
+//  Created by 배현진 on 6/4/25.
+//
+import PhotosUI
+import SwiftUI
+
+struct PhotoPicker: UIViewControllerRepresentable {
+    @Binding var selectedImage: UIImage?
+
+    func makeUIViewController(context: Context) -> PHPickerViewController {
+        var config = PHPickerConfiguration()
+        config.selectionLimit = 1
+        config.filter = .images
+
+        let picker = PHPickerViewController(configuration: config)
+        picker.delegate = context.coordinator
+        return picker
+    }
+
+    func updateUIViewController(_ uiViewController: PHPickerViewController, context: Context) {}
+
+    func makeCoordinator() -> Coordinator {
+        Coordinator(self)
+    }
+
+    class Coordinator: NSObject, PHPickerViewControllerDelegate {
+        let parent: PhotoPicker
+
+        init(_ parent: PhotoPicker) {
+            self.parent = parent
+        }
+
+        func picker(_ picker: PHPickerViewController, didFinishPicking results: [PHPickerResult]) {
+            picker.dismiss(animated: true)
+
+            guard let itemProvider = results.first?.itemProvider,
+                  itemProvider.canLoadObject(ofClass: UIImage.self) else { return }
+
+            itemProvider.loadObject(ofClass: UIImage.self) { image, _ in
+                DispatchQueue.main.async {
+                    self.parent.selectedImage = image as? UIImage
+                }
+            }
+        }
+    }
+}

FunForYou/FunForYou/Sources/Presentation/Daily/DailyWriting/DailyWritingView.swift

@@ -29,7 +29,7 @@ struct DailyWritingView: View {
             )
         }
         .sheet(isPresented: $viewModel.state.isShowImagePicker) {
-            // TODO: - 이미지 picker 구현해서 띄우기
+            PhotoPicker(selectedImage: $viewModel.state.selectedImage)
         }
         .hideKeyboardOnTap()
     }