feat(gift): 보낸 선물 상세를 추가한다

2026-10-08 12:32:58 +09:00
parent d73a69297b
commit cc0edc3770
3 changed files with 486 additions and 0 deletions
@@ -0,0 +1,156 @@
+import Foundation
+import Combine
+
+enum GiftDetailRenderState {
+    case sent(SentGiftDetailDisplayModel)
+    case received(ReceivedGiftDetailDisplayModel)
+    case canceled(SentGiftDetailDisplayModel)
+
+    init?(detail: GiftDetailResponse) {
+        switch GiftDirection(rawValue: detail.direction) {
+        case .sent:
+            guard let model = GiftDisplayPolicy.sentDetail(from: detail) else { return nil }
+            self = model.status == .canceled ? .canceled(model) : .sent(model)
+        case .received:
+            guard let model = GiftDisplayPolicy.receivedDetail(from: detail) else { return nil }
+            self = .received(model)
+        case nil:
+            return nil
+        }
+    }
+}
+
+final class GiftDetailViewModel: ObservableObject {
+    private let applicationNo: String
+    private let onCanceled: (String, @escaping (Bool) -> Void) -> Void
+    private let repository = GiftRepository()
+    private var subscription: AnyCancellable?
+    private var cancelSubscription: AnyCancellable?
+    private var hasCompletedCancellation = false
+
+    @Published private(set) var renderState: GiftDetailRenderState?
+    @Published private(set) var isLoading = false
+    @Published private(set) var hasLoaded = false
+    @Published private(set) var isShowingCancelDialog = false
+    @Published private(set) var isCancelSubmitting = false
+    @Published private(set) var errorMessage = ""
+    @Published var isShowPopup = false
+
+    init(
+        applicationNo: String,
+        onCanceled: @escaping (String, @escaping (Bool) -> Void) -> Void = { _, completion in
+            completion(true)
+        }
+    ) {
+        self.applicationNo = applicationNo
+        self.onCanceled = onCanceled
+    }
+
+    func presentCancelDialog() {
+        guard !isLoading, !isCancelSubmitting, !hasCompletedCancellation, canCancel else { return }
+
+        errorMessage = ""
+        isShowPopup = false
+        isShowingCancelDialog = true
+    }
+
+    func dismissCancelDialog() {
+        guard !isCancelSubmitting else { return }
+
+        isShowingCancelDialog = false
+        errorMessage = ""
+        isShowPopup = false
+    }
+
+    func confirmCancel() {
+        guard isShowingCancelDialog, !isLoading, !isCancelSubmitting, !hasCompletedCancellation, canCancel else { return }
+
+        isCancelSubmitting = true
+        errorMessage = ""
+        isShowPopup = false
+
+        cancelSubscription = repository.cancelGift(applicationNo: applicationNo)
+            .receive(on: DispatchQueue.main)
+            .sink { [weak self] result in
+                guard let self, !self.hasCompletedCancellation else { return }
+                if case .failure(let error) = result {
+                    self.showCancelError(data: error.response?.data)
+                }
+            } receiveValue: { [weak self] response in
+                guard let self, !self.hasCompletedCancellation else { return }
+
+                do {
+                    let decoded = try JSONDecoder().decode(ApiResponseWithoutData.self, from: response.data)
+                    guard decoded.success else {
+                        self.showCancelError(data: response.data)
+                        return
+                    }
+
+                    self.hasCompletedCancellation = true
+                    self.isShowingCancelDialog = false
+                    self.onCanceled(self.applicationNo) { [weak self] didReplace in
+                        guard let self, !didReplace else { return }
+                        self.isCancelSubmitting = false
+                        self.fetch()
+                    }
+                } catch {
+                    self.showCancelError(data: response.data)
+                }
+            }
+    }
+
+    func fetch() {
+        guard !isLoading, !isShowingCancelDialog, !isCancelSubmitting else { return }
+        isLoading = true
+        errorMessage = ""
+        isShowPopup = false
+
+        subscription = repository.getGift(applicationNo: applicationNo)
+            .receive(on: DispatchQueue.main)
+            .sink { [weak self] result in
+                guard let self else { return }
+                if case .failure(let error) = result {
+                    self.showError(data: error.response?.data)
+                }
+                self.isLoading = false
+            } receiveValue: { [weak self] response in
+                guard let self else { return }
+                do {
+                    let decoded = try JSONDecoder().decode(ApiResponse<GiftDetailResponse>.self, from: response.data)
+                    guard decoded.success, let detail = decoded.data else {
+                        self.showError(data: response.data)
+                        return
+                    }
+                    guard let state = GiftDetailRenderState(detail: detail) else {
+                        self.showError(data: response.data)
+                        return
+                    }
+                    self.renderState = state
+                    self.hasLoaded = true
+                } catch {
+                    self.showError(data: response.data)
+                }
+        }
+    }
+
+    private var canCancel: Bool {
+        guard case .sent(let detail) = renderState else { return false }
+        return detail.status == .received
+    }
+
+    private func showCancelError(data: Data?) {
+        isCancelSubmitting = false
+        showError(data: data)
+    }
+
+    private func showError(data: Data?) {
+        struct ErrorResponse: Decodable {
+            let message: String?
+        }
+
+        let decoded = data.flatMap { try? JSONDecoder().decode(ErrorResponse.self, from: $0) }
+        let message = decoded?.message?.trimmingCharacters(in: .whitespacesAndNewlines) ?? ""
+        errorMessage = message.isEmpty ? I18n.Common.commonError : message
+        isShowPopup = true
+    }
+}