feat: background 시 create 로직 추가 및 예외처리

Diary/Controller/DiaryDetailViewController.swift

@@ -8,7 +8,7 @@
 import UIKit
 
 protocol DiaryDetailViewControllerDelegate: AnyObject {
- func createDiaryData(text: String)
+ func createDiaryData(text: String) -> DiaryEntity?
  func updateDiaryData(diaryEntity: DiaryEntity, text: String)
  func deleteDiaryData(diaryEntity: DiaryEntity)
  func popDiaryDetailViewController()
@@ -24,7 +24,10 @@ final class DiaryDetailViewController: UIViewController, AlertControllerShowable
  return textView
  }()
 
- private lazy var isUpdate = diaryEntity != nil
+ private var isUpdate: Bool {
+ diaryEntity != nil
+ }
+
  private var diaryEntity: DiaryEntity?
  weak var delegate: DiaryDetailViewControllerDelegate?
 
@@ -103,7 +106,7 @@ final class DiaryDetailViewController: UIViewController, AlertControllerShowable
 
  delegate?.updateDiaryData(diaryEntity: diaryEntity, text: text)
  } else {
- delegate?.createDiaryData(text: text)
+ diaryEntity = delegate?.createDiaryData(text: text)
  }
  }
 }

Diary/Manager/AppManager.swift

@@ -66,12 +66,13 @@ extension AppManager: MainViewControllerDelegate {
 
 // MARK: - DiaryDetailViewControllerDelegate
 extension AppManager: DiaryDetailViewControllerDelegate {
- func createDiaryData(text: String) {
- guard let (title, body) = convertDiaryData(text: text) else { return }
+ func createDiaryData(text: String) -> DiaryEntity? {
+ guard let (title, body) = convertDiaryData(text: text) else { return nil }
  let date = Date().timeIntervalSince1970
+ let diaryEntity = diaryDataManager.createDiaryData(title: title, body: body, date: date)
 
- diaryDataManager.createDiaryData(title: title, body: body, date: date)
  diaryDataManager.saveContext()
+ return diaryEntity
  }
 
  func updateDiaryData(diaryEntity: DiaryEntity, text: String) {

Diary/Manager/DiaryCoreDataManager.swift

@@ -6,11 +6,12 @@
 //
 
 final class DiaryCoreDataManager: CoreDataManager {
- func createDiaryData(title: String, body: String, date: Double) {
+ func createDiaryData(title: String, body: String, date: Double) -> DiaryEntity {
  let entity = DiaryEntity(context: context)
 
  entity.title = title
  entity.body = body
  entity.date = date
+ return entity
  }
 }