Merge pull request #18 from Noostak/feat/NST-48/contentShareUtil

[Feat/NST-40] #17 SharePresenter 작성

Noostak_iOS/Noostak_iOS/Global/Utility/SharePresenter.swift

@@ -0,0 +1,68 @@
+//
+//  SharePresenter.swift
+//  Noostak_iOS
+//
+//  Created by 박민서 on 1/8/25.
+//
+
+import UIKit
+import RxSwift
+
+final class SharePresenter {
+
+    /// 공유 화면을 표시하는 함수
+    /// - Parameters:
+    ///   - items: 공유할 항목 (텍스트, 이미지, URL 등)
+    ///   - excludedActivityTypes: 제외할 Activity 타입
+    ///   - sourceViewController: 공유 화면을 띄울 뷰 컨트롤러
+    ///   - completion: 공유 완료/취소 콜백
+    static func share(
+        items: [Any],
+        excludedActivityTypes: [UIActivity.ActivityType]? = nil,
+        from sourceViewController: UIViewController,
+        completion: @escaping (Result<Bool, Error>) -> Void
+    ) {
+        let activityViewController = UIActivityViewController(activityItems: items, applicationActivities: nil)
+        activityViewController.excludedActivityTypes = excludedActivityTypes
+
+        activityViewController.completionWithItemsHandler = { _, success, _, error in
+            if let error = error {
+                completion(.failure(error))
+            } else {
+                completion(.success(success))
+            }
+        }
+
+        sourceViewController.present(activityViewController, animated: true, completion: nil)
+    }
+}
+
+// MARK: Reactive Wrapping
+extension SharePresenter {
+    /// Reactive 확장 - 공유 화면 표시를 Observable로 반환
+    /// - Parameters:
+    ///   - items: 공유할 항목 (텍스트, 이미지, URL 등)
+    ///   - excludedActivityTypes: 제외할 Activity 타입
+    ///   - sourceViewController: 공유 화면을 띄울 뷰 컨트롤러
+    /// - Returns: 공유 성공 여부를 방출하는 Observable
+    static func share(
+        items: [Any],
+        excludedActivityTypes: [UIActivity.ActivityType]? = nil,
+        from sourceViewController: UIViewController
+    ) -> Observable<Bool> {
+        return Observable.create { observer in
+            share(items: items, excludedActivityTypes: excludedActivityTypes, from: sourceViewController) { result in
+                switch result {
+
+                case .success(let success):
+                    observer.onNext(success)
+                    observer.onCompleted()
+
+                case .failure(let error):
+                    observer.onError(error)
+                }
+            }
+            return Disposables.create()
+        }
+    }
+}