[#341] 영어 로컬라이제이션을 구현한다

DevLog.xcodeproj/project.pbxproj

@@ -149,6 +149,7 @@
 			hasScannedForEncodings = 0;
 			knownRegions = (
 				ko,
+				en,
 			);
 			mainGroup = DFD48AF72DC4D6E2005905C5;
 			minimizedProjectReferenceProxies = 1;

DevLog/App/RootView.swift

@@ -33,7 +33,7 @@ struct RootView: View {
             get: { viewModel.state.showAlert },
             set: { viewModel.send(.setAlert($0)) }
         )) {
-            Button("확인", role: .cancel) { }
+            Button(String(localized: "common_close"), role: .cancel) { }
         } message: {
             Text(viewModel.state.alertMessage)
         }

DevLog/Presentation/Structure/Profile/ProfileActivityType.swift

@@ -13,8 +13,8 @@ enum ProfileActivityType: String, CaseIterable, Hashable {
 
     var title: String {
         switch self {
-        case .created: return "생성"
-        case .completed: return "완료"
+        case .created: return String(localized: "profile_activity_created")
+        case .completed: return String(localized: "profile_activity_completed")
         }
     }
 }

DevLog/Presentation/Structure/Profile/ProfileSelectedDayActivity.swift

@@ -16,8 +16,10 @@ struct ProfileSelectedDayActivity: Identifiable, Hashable {
 
     var activityLabel: String {
         if showsCreated && showsCompleted {
-            return "생성/완료"
+            return String(localized: "profile_activity_created_completed")
         }
-        return showsCreated ? "생성" : "완료"
+        return showsCreated
+            ? String(localized: "profile_activity_created")
+            : String(localized: "profile_activity_completed")
     }
 }

DevLog/Presentation/Structure/WebPageItem.swift

@@ -15,7 +15,7 @@ struct WebPageItem: Identifiable, Hashable {
     }
 
     var id: URL { metadata.url }
-    var title: String { metadata.title ?? "웹페이지를 찾을 수 없습니다" }
+    var title: String { metadata.title ?? String(localized: "web_page_missing_title") }
     var url: URL { metadata.url }
     var displayURL: String { metadata.displayURL.absoluteString }
     var imageURL: URL? { metadata.imageURL }

DevLog/Presentation/ViewModel/AccountViewModel.swift

@@ -160,17 +160,17 @@ private extension AccountViewModel {
     func setAlert(_ state: inout State, isPresented: Bool, type: AlertType?) {
         switch type {
         case .linkEmailNotFound:
-            state.alertTitle = "이메일 확인 불가"
-            state.alertMessage = "선택한 계정의 이메일 정보를 확인할 수 없어 연결할 수 없어요. 계정 설정을 확인한 뒤 다시 시도해주세요."
+            state.alertTitle = String(localized: "account_alert_email_unavailable_title")
+            state.alertMessage = String(localized: "account_alert_email_unavailable_message")
         case .linkEmailMismatch:
-            state.alertTitle = "연결할 수 없음"
-            state.alertMessage = "현재 로그인한 계정과 선택한 계정의 이메일이 달라 연결할 수 없어요. 같은 이메일의 계정으로 다시 시도해주세요."
+            state.alertTitle = String(localized: "account_alert_cannot_link_title")
+            state.alertMessage = String(localized: "account_alert_cannot_link_message")
         case .linkCredentialAlreadyInUse:
-            state.alertTitle = "이미 연결된 계정"
-            state.alertMessage = "선택한 계정은 이미 다른 계정에 연결되어 있어요. 해당 계정으로 로그인한 뒤 이용해주세요."
+            state.alertTitle = String(localized: "account_alert_already_linked_title")
+            state.alertMessage = String(localized: "account_alert_already_linked_message")
         case .error:
-            state.alertTitle = "오류"
-            state.alertMessage = "문제가 발생했습니다. 잠시 후 다시 시도해주세요."
+            state.alertTitle = String(localized: "common_error_title")
+            state.alertMessage = String(localized: "common_error_message")
         case .none:
             state.alertTitle = ""
             state.alertMessage = ""
@@ -182,9 +182,9 @@ private extension AccountViewModel {
     func setToast(_ state: inout State, isPresented: Bool, type: ToastType?) {
         switch type {
         case .linkSuccess:
-            state.toastMessage = "계정이 성공적으로 연결되었습니다."
+            state.toastMessage = String(localized: "account_toast_link_success")
         case .unlinkSuccess:
-            state.toastMessage = "계정 연결이 성공적으로 해제되었습니다."
+            state.toastMessage = String(localized: "account_toast_unlink_success")
         case .none:
             state.toastMessage = ""
         }

DevLog/Presentation/ViewModel/HomeViewModel.swift

@@ -390,15 +390,15 @@ private extension HomeViewModel {
     ) {
         switch type {
         case .webPageInput:
-            state.alertTitle = "URL 추가"
-            state.alertMessage = "웹페이지 URL을 입력해주세요."
+            state.alertTitle = String(localized: "home_webpage_input_title")
+            state.alertMessage = String(localized: "home_webpage_input_message")
             state.webPageURLInput = "https://"
         case .invalidURL:
-            state.alertTitle = "URL 확인"
-            state.alertMessage = "올바른 URL을 입력해주세요."
+            state.alertTitle = String(localized: "home_invalid_url_title")
+            state.alertMessage = String(localized: "home_invalid_url_message")
         case .error:
-            state.alertTitle = "오류"
-            state.alertMessage = "문제가 발생했습니다. 잠시 후 다시 시도해주세요."
+            state.alertTitle = String(localized: "common_error_title")
+            state.alertMessage = String(localized: "common_error_message")
         case .none:
             state.alertTitle = ""
             state.alertMessage = ""
@@ -414,7 +414,7 @@ private extension HomeViewModel {
     ) {
         switch type {
         case .deleteWebPage:
-            state.toastMessage = "실행 취소"
+            state.toastMessage = String(localized: "common_undo")
         case .none:
             state.toastMessage = ""
         }

DevLog/Presentation/ViewModel/LoginViewModel.swift

@@ -75,8 +75,8 @@ private extension LoginViewModel {
         _ state: inout State,
         isPresented: Bool,
     ) {
-        state.alertTitle = "오류"
-        state.alertMessage = "문제가 발생했습니다. 잠시 후 다시 시도해주세요."
+        state.alertTitle = String(localized: "common_error_title")
+        state.alertMessage = String(localized: "common_error_message")
         state.showAlert = isPresented
     }
 }

DevLog/Presentation/ViewModel/MainViewModel.swift

@@ -77,8 +77,8 @@ private extension MainViewModel {
         _ state: inout State,
         isPresented: Bool
     ) {
-        state.alertTitle = "오류"
-        state.alertMessage = "알림 배지를 불러오는 중 문제가 발생했습니다."
+        state.alertTitle = String(localized: "common_error_title")
+        state.alertMessage = String(localized: "main_alert_badge_error_message")
         state.showAlert = isPresented
     }
 

DevLog/Presentation/ViewModel/ProfileViewModel.swift

@@ -362,8 +362,8 @@ private extension ProfileViewModel {
         _ state: inout State,
         isPresented: Bool
     ) {
-        state.alertTitle = "오류"
-        state.alertMessage = "문제가 발생했습니다. 잠시 후 다시 시도해주세요."
+        state.alertTitle = String(localized: "common_error_title")
+        state.alertMessage = String(localized: "common_error_message")
         state.showAlert = isPresented
     }
 

DevLog/Presentation/ViewModel/PushNotificationListViewModel.swift

@@ -301,16 +301,16 @@ private extension PushNotificationListViewModel {
         _ state: inout State,
         isPresented: Bool
     ) {
-        state.alertTitle = "오류"
-        state.alertMessage = "문제가 발생했습니다. 잠시 후 다시 시도해주세요."
+        state.alertTitle = String(localized: "common_error_title")
+        state.alertMessage = String(localized: "common_error_message")
         state.showAlert = isPresented
     }
 
     func setToast(
         _ state: inout State,
         isPresented: Bool
     ) {
-        state.toastMessage = "실행 취소"
+        state.toastMessage = String(localized: "common_undo")
         state.showToast = isPresented
     }
 
@@ -357,8 +357,8 @@ private extension PushNotificationListViewModel {
 extension PushNotificationQuery.SortOrder {
     var title: String {
         switch self {
-        case .latest: return "최신순"
-        case .oldest: return "예전순"
+        case .latest: return String(localized: "push_sort_latest")
+        case .oldest: return String(localized: "push_sort_oldest")
         }
     }
 }
@@ -375,11 +375,17 @@ extension PushNotificationQuery.TimeFilter {
     var title: String {
         switch self {
         case .none:
-            return "전체"
+            return String(localized: "push_timefilter_all")
         case .hours(let value):
-            return "최근 \(value)시간"
+            return String.localizedStringWithFormat(
+                String(localized: "push_timefilter_hours_format"),
+                Int64(value)
+            )
         case .days(let value):
-            return "최근 \(value)일"
+            return String.localizedStringWithFormat(
+                String(localized: "push_timefilter_days_format"),
+                Int64(value)
+            )
         }
     }
 

DevLog/Presentation/ViewModel/PushNotificationSettingsViewModel.swift

@@ -150,8 +150,8 @@ extension PushNotificationSettingsViewModel {
         _ state: inout State,
         isPresented: Bool
     ) {
-        state.alertTitle = "오류"
-        state.alertMessage = "문제가 발생했습니다. 잠시 후 다시 시도해주세요."
+        state.alertTitle = String(localized: "common_error_title")
+        state.alertMessage = String(localized: "common_error_message")
         state.showAlert = isPresented
     }
 

DevLog/Presentation/ViewModel/RootViewModel.swift

@@ -92,8 +92,8 @@ private extension RootViewModel {
         _ state: inout State,
         isPresented: Bool
     ) {
-        state.alertTitle = "네트워크 연결 끊김"
-        state.alertMessage = "인터넷 연결을 확인해주세요."
+        state.alertTitle = String(localized: "root_network_disconnected_title")
+        state.alertMessage = String(localized: "root_network_disconnected_message")
         state.showAlert = isPresented
     }
 

DevLog/Presentation/ViewModel/SearchViewModel.swift

@@ -155,8 +155,8 @@ private extension SearchViewModel {
         _ state: inout State,
         isPresented: Bool
     ) {
-        state.alertTitle = "오류"
-        state.alertMessage = "문제가 발생했습니다. 잠시 후 다시 시도해주세요."
+        state.alertTitle = String(localized: "common_error_title")
+        state.alertMessage = String(localized: "common_error_message")
         state.showAlert = isPresented
     }
 

DevLog/Presentation/ViewModel/SettingViewModel.swift

@@ -143,17 +143,17 @@ private extension SettingViewModel {
     ) {
         switch type {
         case .signOut:
-            state.alertTitle = "로그아웃"
-            state.alertMessage = "로그아웃 하시겠습니까?"
+            state.alertTitle = String(localized: "settings_alert_sign_out_title")
+            state.alertMessage = String(localized: "settings_alert_sign_out_message")
         case .deleteAuth:
-            state.alertTitle = "정말 탈퇴하시겠습니까?"
-            state.alertMessage = "회원 탈퇴가 진행되면 모든 데이터가 지워지고 복구할 수 없습니다."
+            state.alertTitle = String(localized: "settings_alert_delete_account_title")
+            state.alertMessage = String(localized: "settings_alert_delete_account_message")
         case .error:
-            state.alertTitle = "오류"
-            state.alertMessage = "문제가 발생했습니다. 잠시 후 다시 시도해주세요."
+            state.alertTitle = String(localized: "common_error_title")
+            state.alertMessage = String(localized: "common_error_message")
         case .removeCache:
-            state.alertTitle = "임시 데이터 삭제"
-            state.alertMessage = "임시 데이터를 삭제하고 정리합니다.\n계속하시겠습니까?"
+            state.alertTitle = String(localized: "settings_alert_clear_temp_title")
+            state.alertMessage = String(localized: "settings_alert_clear_temp_message")
         case .none:
             state.alertTitle = ""
             state.alertMessage = ""

DevLog/Presentation/ViewModel/TodayViewModel.swift

@@ -89,22 +89,33 @@ final class TodayViewModel: Store {
     var sections: [SectionContent] {
         let groupedItems = groupedSectionItems(from: displayedTodos)
         let allSections: [SectionContent] = [
-            SectionContent(title: "집중할 일", items: groupedItems.focused),
-            SectionContent(title: "지난 마감", items: groupedItems.overdue),
-            SectionContent(title: "\(upcomingWindowDays)일 내 일정", items: groupedItems.dueSoon),
-            SectionContent(title: "나중 일정", items: groupedItems.later),
-            SectionContent(title: "일정 미정", items: groupedItems.unscheduled)
+            SectionContent(title: String(localized: "today_section_focused"), items: groupedItems.focused),
+            SectionContent(title: String(localized: "today_section_overdue"), items: groupedItems.overdue),
+            SectionContent(
+                title: String.localizedStringWithFormat(
+                    String(localized: "today_section_due_soon_format"),
+                    Int64(upcomingWindowDays)
+                ),
+                items: groupedItems.dueSoon
+            ),
+            SectionContent(title: String(localized: "today_section_later"), items: groupedItems.later),
+            SectionContent(title: String(localized: "today_section_unscheduled"), items: groupedItems.unscheduled)
         ]
 
         switch state.selectedSummaryScope {
         case .all:
             return allSections.filter { !$0.items.isEmpty }
         case .focused:
-            return allSections.filter { $0.title == "집중할 일" && !$0.items.isEmpty }
+            return allSections.filter { $0.title == String(localized: "today_section_focused") && !$0.items.isEmpty }
         case .overdue:
-            return allSections.filter { $0.title == "지난 마감" && !$0.items.isEmpty }
+            return allSections.filter { $0.title == String(localized: "today_section_overdue") && !$0.items.isEmpty }
         case .dueSoon:
-            return allSections.filter { $0.title == "\(upcomingWindowDays)일 내 일정" && !$0.items.isEmpty }
+            return allSections.filter {
+                $0.title == String.localizedStringWithFormat(
+                    String(localized: "today_section_due_soon_format"),
+                    Int64(upcomingWindowDays)
+                ) && !$0.items.isEmpty
+            }
         }
     }
 
@@ -275,8 +286,8 @@ private extension TodayViewModel {
         _ state: inout State,
         isPresented: Bool
     ) {
-        state.alertTitle = "오류"
-        state.alertMessage = "문제가 발생했습니다. 잠시 후 다시 시도해주세요."
+        state.alertTitle = String(localized: "common_error_title")
+        state.alertMessage = String(localized: "common_error_message")
         state.showAlert = isPresented
     }
 

DevLog/Presentation/ViewModel/TodoDetailViewModel.swift

@@ -141,8 +141,8 @@ private extension TodoDetailViewModel {
         _ state: inout State,
         isPresented: Bool
     ) {
-        state.alertTitle = "오류"
-        state.alertMessage = "문제가 발생했습니다. 잠시 후 다시 시도해주세요."
+        state.alertTitle = String(localized: "common_error_title")
+        state.alertMessage = String(localized: "common_error_message")
         state.showAlert = isPresented
     }
 

DevLog/Presentation/ViewModel/TodoEditorViewModel.swift

@@ -104,10 +104,13 @@ final class TodoEditorViewModel: Store {
 
     var navigationTitle: String {
         if originalDraft == nil {
-            return "새 \(state.category.localizedName) 추가"
+            return String.localizedStringWithFormat(
+                String(localized: "todo_editor_new_format"),
+                state.category.localizedName
+            )
         }
 
-        return "편집"
+        return String(localized: "todo_edit")
     }
 
     var hasChanges: Bool {