From 6a8e2e42efbb5a75b9a33200c34c71a5fb39bcaa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EB=8F=84=EB=AF=BC=EC=A4=80?=
 <132960058+aado97@users.noreply.github.com>
Date: Mon, 10 Feb 2025 17:46:39 +0900
Subject: [PATCH 1/4] =?UTF-8?q?[#13]=201=EC=B0=A8=20=EB=A6=AC=ED=8C=A9?=
 =?UTF-8?q?=ED=86=A0=EB=A7=81=20MVVM=EC=A0=81=EC=9A=A9?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../project.pbxproj"                          |  34 +++++-
 .../Model/Reflection.swift"                   |  13 +++
 .../View/main.swift"                          |  66 ++++++++++++
 .../ViewModel/ReflectionViewModel.swift"      |  53 ++++++++++
 .../main.swift"                               | 100 ------------------
 5 files changed, 165 insertions(+), 101 deletions(-)
 create mode 100644 "dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Model/Reflection.swift"
 create mode 100644 "dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/View/main.swift"
 create mode 100644 "dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/ViewModel/ReflectionViewModel.swift"
 delete mode 100644 "dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/main.swift"

diff --git "a/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234.xcodeproj/project.pbxproj" "b/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234.xcodeproj/project.pbxproj"
index 41d8759..d00500b 100644
--- "a/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234.xcodeproj/project.pbxproj"
+++ "b/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234.xcodeproj/project.pbxproj"
@@ -7,6 +7,8 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
+		5957EFEA2D59D0700019B873 /* Reflection.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5957EFE92D59D0700019B873 /* Reflection.swift */; };
+		5957EFEC2D59D1550019B873 /* ReflectionViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5957EFEB2D59D1550019B873 /* ReflectionViewModel.swift */; };
 		598907C92D461A930024CCEF /* main.swift in Sources */ = {isa = PBXBuildFile; fileRef = 598907C82D461A930024CCEF /* main.swift */; };
 /* End PBXBuildFile section */
 
@@ -23,6 +25,8 @@
 /* End PBXCopyFilesBuildPhase section */
 
 /* Begin PBXFileReference section */
+		5957EFE92D59D0700019B873 /* Reflection.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Reflection.swift; sourceTree = "<group>"; };
+		5957EFEB2D59D1550019B873 /* ReflectionViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ReflectionViewModel.swift; sourceTree = "<group>"; };
 		598907C52D461A930024CCEF /* Weekly01_회고시스템 */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; path = "Weekly01_회고시스템"; sourceTree = BUILT_PRODUCTS_DIR; };
 		598907C82D461A930024CCEF /* main.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = main.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
@@ -38,6 +42,30 @@
 /* End PBXFrameworksBuildPhase section */
 
 /* Begin PBXGroup section */
+		5957EFE62D59CAAD0019B873 /* ViewModel */ = {
+			isa = PBXGroup;
+			children = (
+				5957EFEB2D59D1550019B873 /* ReflectionViewModel.swift */,
+			);
+			path = ViewModel;
+			sourceTree = "<group>";
+		};
+		5957EFE72D59CAB90019B873 /* View */ = {
+			isa = PBXGroup;
+			children = (
+				598907C82D461A930024CCEF /* main.swift */,
+			);
+			path = View;
+			sourceTree = "<group>";
+		};
+		5957EFE82D59CABF0019B873 /* Model */ = {
+			isa = PBXGroup;
+			children = (
+				5957EFE92D59D0700019B873 /* Reflection.swift */,
+			);
+			path = Model;
+			sourceTree = "<group>";
+		};
 		598907BC2D461A930024CCEF = {
 			isa = PBXGroup;
 			children = (
@@ -57,7 +85,9 @@
 		598907C72D461A930024CCEF /* Weekly01_회고시스템 */ = {
 			isa = PBXGroup;
 			children = (
-				598907C82D461A930024CCEF /* main.swift */,
+				5957EFE82D59CABF0019B873 /* Model */,
+				5957EFE72D59CAB90019B873 /* View */,
+				5957EFE62D59CAAD0019B873 /* ViewModel */,
 			);
 			path = "Weekly01_회고시스템";
 			sourceTree = "<group>";
@@ -120,6 +150,8 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				5957EFEA2D59D0700019B873 /* Reflection.swift in Sources */,
+				5957EFEC2D59D1550019B873 /* ReflectionViewModel.swift in Sources */,
 				598907C92D461A930024CCEF /* main.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
diff --git "a/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Model/Reflection.swift" "b/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Model/Reflection.swift"
new file mode 100644
index 0000000..7fdf702
--- /dev/null
+++ "b/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Model/Reflection.swift"
@@ -0,0 +1,13 @@
+//
+//  Reflection.swift
+//  Weekly01_회고시스템
+//
+//  Created by 도민준 on 2/10/25.
+//
+
+import Foundation
+
+struct Reflection {
+    let date: String
+    var content: String
+}
diff --git "a/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/View/main.swift" "b/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/View/main.swift"
new file mode 100644
index 0000000..1ca0dde
--- /dev/null
+++ "b/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/View/main.swift"
@@ -0,0 +1,66 @@
+//
+//  main.swift
+//  Weekly01_회고시스템
+//
+//  Created by 도민준 on 1/26/25.
+//
+
+import Foundation
+
+var reflectionManager = ReflectionViewModel()
+var menuNum = 0
+var date = ""
+var content = ""
+
+print("""
+=== 회고 시스템 ===
+1. 회고 추가
+2. 회고 조회
+3. 회고 수정
+4. 회고 삭제
+5. 전체 회고 목록 출력
+6. 종료
+""")
+print()
+
+while true {
+    print("메뉴를 선택하세요:", terminator: " ")
+    
+    menuNum = Int(readLine() ?? "0") ?? 0
+    
+    if menuNum == 6 {
+        print("프로그램을 종료합니다.")
+        break
+    }
+    
+    switch menuNum {
+    case 1:
+        print("날짜를 입력하세요 (예: 2024-12-25):", terminator: " ")
+        date = readLine() ?? ""
+        print("회고 내용을 입력하세요:", terminator: " ")
+        content = readLine() ?? ""
+        reflectionManager.addReflection(date: date, content: content)
+        //replections[date] = content
+        //print(replections)
+        
+    case 2:
+        print("조회할 날짜를 입력하세요:", terminator: " ")
+        date = readLine() ?? ""
+        reflectionManager.retrieveReflection(date: date)
+    case 3:
+        print("수정할 날짜를 입력하세요:", terminator: " ")
+        date = readLine() ?? ""
+        reflectionManager.updateReflection(date: date)
+    case 4:
+        print("삭제할 날짜를 입력하세요:", terminator: " ")
+        date = readLine() ?? ""
+        reflectionManager.deleteReflection(date: date)
+        
+    case 5:
+        reflectionManager.printAllReflection()
+    default:
+        print("잘못된 입력입니다.")
+        print()
+    }
+}
+
diff --git "a/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/ViewModel/ReflectionViewModel.swift" "b/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/ViewModel/ReflectionViewModel.swift"
new file mode 100644
index 0000000..481b232
--- /dev/null
+++ "b/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/ViewModel/ReflectionViewModel.swift"
@@ -0,0 +1,53 @@
+//
+//  ReflectionViewModel.swift
+//  Weekly01_회고시스템
+//
+//  Created by 도민준 on 2/10/25.
+//
+
+import Foundation
+
+class ReflectionViewModel {
+    private var reflections: [String: Reflection] = [:]
+    
+    func addReflection(date: String, content: String) {
+        reflections[date] = Reflection(date: date, content: content)
+        print("회고가 추가 되었습니다.\n")
+    }
+    
+    func retrieveReflection(date: String) {
+        if let reflection = reflections[date] {
+            print("날짜: \(reflection.date)")
+            print("내용: \(reflection.content)\n")
+        } else {
+            print("해당 날짜의 회고가 없습니다.\n")
+        }
+    }
+    
+    func updateReflection(date: String) {
+        if reflections[date] != nil {
+            print("새로운 회고 내용을 입력하세요: ", terminator: " ")
+            var newContent = readLine() ?? ""
+            reflections[date]?.content = newContent
+            print("회고가 수정되었습니다.\n")
+        } else {
+            print("해당 날짜의 회고가 없습니다.\n")
+        }
+    }
+    
+    func deleteReflection(date: String) {
+        if reflections.removeValue(forKey: date) != nil {
+            print("회고가 삭제되었습니다.\n")
+        } else {
+            print("해당 날짜의 회고가 없습니다.\n")
+        }
+    }
+    
+    func printAllReflection() {
+        print("=== 저장된 회고 목록 ===")
+        for reflection in reflections.values {
+            print("날짜: \(reflection.date)")
+            print("내용: \(reflection.content)")
+        }
+    }
+}
diff --git "a/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/main.swift" "b/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/main.swift"
deleted file mode 100644
index 8b16201..0000000
--- "a/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/main.swift"
+++ /dev/null
@@ -1,100 +0,0 @@
-//
-//  main.swift
-//  Weekly01_회고시스템
-//
-//  Created by 도민준 on 1/26/25.
-//
-
-import Foundation
-
-var menuNum = 0
-var replections: [String: String] = [:]
-var date = ""
-var content = ""
-var dateArray: [String] = []
-var contentArray: [String] = []
-
-print("""
-=== 회고 시스템 ===
-1. 회고 추가
-2. 회고 조회
-3. 회고 수정
-4. 회고 삭제
-5. 전체 회고 목록 출력
-6. 종료
-""")
-print()
-
-while true {
-    print("메뉴를 선택하세요:", terminator: " ")
-    
-    menuNum = Int(readLine() ?? "0") ?? 0
-    
-    if menuNum == 6 {
-        print("프로그램을 종료합니다.")
-        break
-    }
-    
-    switch menuNum {
-    case 1:
-        print("날짜를 입력하세요 (예: 2024-12-25):", terminator: " ")
-        date = readLine() ?? ""
-        print("회고 내용을 입력하세요:", terminator: " ")
-        content = readLine() ?? ""
-        replections[date] = content
-        //print(replections)
-        print("회고가 추가 되었습니다.")
-        print()
-    case 2:
-        print("조회할 날짜를 입력하세요:", terminator: " ")
-        date = readLine() ?? ""
-        if let contentOfDate = replections[date] {
-            print("날짜: \(date)")
-            print("내용: \(contentOfDate)")
-            print()
-        } else {
-            print("해당 날짜의 회고가 없습니다.")
-            print()
-        }
-    case 3:
-        print("수정할 날짜를 입력하세요:", terminator: " ")
-        date = readLine() ?? ""
-        if let contentOfDate = replections[date] {
-            print("새로운 회고 내용을 입력하세요: ", terminator: " ")
-            content = readLine() ?? ""
-            replections[date] = content
-            //print(replections)
-            print("회고가 수정되었습니다.")
-            print()
-        } else {
-            print("해당 날짜의 회고가 없습니다.")
-            print()
-        }
-    case 4:
-        print("삭제할 날짜를 입력하세요:", terminator: " ")
-        date = readLine() ?? ""
-        if let contentOfDate = replections[date] {
-            //print(replections)
-            replections.removeValue(forKey: date)
-            //print(replections)
-            print("회고가 삭제되었습니다.")
-            print()
-        } else {
-            print("해당 날짜의 회고가 없습니다.")
-            print()
-        }
-    case 5:
-        print("=== 저장된 회고 목록 ===")
-        dateArray = Array(replections.keys)
-        contentArray = Array(replections.values)
-        for i in 0 ..< replections.count {
-            print("날짜: \(dateArray[i])")
-            print("내용: \(contentArray[i])")
-            print()
-        }
-    default:
-        print("잘못된 입력입니다.")
-        print()
-    }
-}
-

From adfb0d27e29b8c8c91dd2b3e9626ab2a11f32f03 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EB=8F=84=EB=AF=BC=EC=A4=80?=
 <132960058+aado97@users.noreply.github.com>
Date: Tue, 11 Feb 2025 20:54:05 +0900
Subject: [PATCH 2/4] =?UTF-8?q?[#13]=20=20=EC=A3=BC=EC=84=9D=20=EC=B6=94?=
 =?UTF-8?q?=EA=B0=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../View/main.swift"                          | 16 ++-------------
 .../ViewModel/ReflectionViewModel.swift"      | 20 +++++++++++++++++++
 2 files changed, 22 insertions(+), 14 deletions(-)

diff --git "a/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/View/main.swift" "b/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/View/main.swift"
index 1ca0dde..b9b4bb7 100644
--- "a/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/View/main.swift"
+++ "b/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/View/main.swift"
@@ -12,16 +12,7 @@ var menuNum = 0
 var date = ""
 var content = ""
 
-print("""
-=== 회고 시스템 ===
-1. 회고 추가
-2. 회고 조회
-3. 회고 수정
-4. 회고 삭제
-5. 전체 회고 목록 출력
-6. 종료
-""")
-print()
+reflectionManager.printMenu()
 
 while true {
     print("메뉴를 선택하세요:", terminator: " ")
@@ -40,8 +31,6 @@ while true {
         print("회고 내용을 입력하세요:", terminator: " ")
         content = readLine() ?? ""
         reflectionManager.addReflection(date: date, content: content)
-        //replections[date] = content
-        //print(replections)
         
     case 2:
         print("조회할 날짜를 입력하세요:", terminator: " ")
@@ -59,8 +48,7 @@ while true {
     case 5:
         reflectionManager.printAllReflection()
     default:
-        print("잘못된 입력입니다.")
-        print()
+        print("잘못된 입력입니다.\n")
     }
 }
 
diff --git "a/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/ViewModel/ReflectionViewModel.swift" "b/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/ViewModel/ReflectionViewModel.swift"
index 481b232..fb9164a 100644
--- "a/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/ViewModel/ReflectionViewModel.swift"
+++ "b/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/ViewModel/ReflectionViewModel.swift"
@@ -8,13 +8,30 @@
 import Foundation
 
 class ReflectionViewModel {
+    //날짜를 키 값으로 정하기 위해
+    //private 메서드를 통해서만 접근 가능하게 하여 데이터 무결성 유지
     private var reflections: [String: Reflection] = [:]
     
+    // 메뉴 출력
+    func printMenu() {
+        print("""
+        === 회고 시스템 ===
+        1. 회고 추가
+        2. 회고 조회
+        3. 회고 수정
+        4. 회고 삭제
+        5. 전체 회고 목록 출력
+        6. 종료\n
+        """)
+    }
+    
+    // 회고 추가
     func addReflection(date: String, content: String) {
         reflections[date] = Reflection(date: date, content: content)
         print("회고가 추가 되었습니다.\n")
     }
     
+    // 회고 조회
     func retrieveReflection(date: String) {
         if let reflection = reflections[date] {
             print("날짜: \(reflection.date)")
@@ -24,6 +41,7 @@ class ReflectionViewModel {
         }
     }
     
+    // 회고 수정
     func updateReflection(date: String) {
         if reflections[date] != nil {
             print("새로운 회고 내용을 입력하세요: ", terminator: " ")
@@ -35,6 +53,7 @@ class ReflectionViewModel {
         }
     }
     
+    // 회고 삭제
     func deleteReflection(date: String) {
         if reflections.removeValue(forKey: date) != nil {
             print("회고가 삭제되었습니다.\n")
@@ -43,6 +62,7 @@ class ReflectionViewModel {
         }
     }
     
+    // 전체 회고 목록 출력
     func printAllReflection() {
         print("=== 저장된 회고 목록 ===")
         for reflection in reflections.values {

From 27da5e0296bc9262e2cf9816516ee40b13b9f01e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EB=8F=84=EB=AF=BC=EC=A4=80?=
 <132960058+aado97@users.noreply.github.com>
Date: Tue, 11 Feb 2025 22:51:30 +0900
Subject: [PATCH 3/4] =?UTF-8?q?[#13]=20Date=EB=A1=9C=20=ED=83=80=EC=9E=85?=
 =?UTF-8?q?=20=EB=B3=80=EA=B2=BD=ED=96=88=EB=8A=94=EB=8D=B0=20=EC=A1=B0?=
 =?UTF-8?q?=ED=9A=8C=EC=8B=9C=20=EB=82=A0=EC=A7=9C=EA=B0=80=20=EC=B6=9C?=
 =?UTF-8?q?=EB=A0=A5=20=EC=95=88=EB=90=98=EB=8A=94=20=EC=9D=B4=EC=8A=88=20?=
 =?UTF-8?q?=EB=B0=9C=EC=83=9D?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../project.pbxproj"                          | 12 ++++++
 .../Helper/DateHelper.swift"                  | 40 +++++++++++++++++++
 .../Model/Reflection.swift"                   | 11 ++++-
 .../View/main.swift"                          | 10 ++---
 .../ViewModel/ReflectionViewModel.swift"      | 38 ++++++++++++++----
 5 files changed, 96 insertions(+), 15 deletions(-)
 create mode 100644 "dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Helper/DateHelper.swift"

diff --git "a/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234.xcodeproj/project.pbxproj" "b/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234.xcodeproj/project.pbxproj"
index d00500b..1a1ae21 100644
--- "a/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234.xcodeproj/project.pbxproj"
+++ "b/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234.xcodeproj/project.pbxproj"
@@ -7,6 +7,7 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
+		5907993B2D5B755A00D1D062 /* DateHelper.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5907993A2D5B755A00D1D062 /* DateHelper.swift */; };
 		5957EFEA2D59D0700019B873 /* Reflection.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5957EFE92D59D0700019B873 /* Reflection.swift */; };
 		5957EFEC2D59D1550019B873 /* ReflectionViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5957EFEB2D59D1550019B873 /* ReflectionViewModel.swift */; };
 		598907C92D461A930024CCEF /* main.swift in Sources */ = {isa = PBXBuildFile; fileRef = 598907C82D461A930024CCEF /* main.swift */; };
@@ -25,6 +26,7 @@
 /* End PBXCopyFilesBuildPhase section */
 
 /* Begin PBXFileReference section */
+		5907993A2D5B755A00D1D062 /* DateHelper.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DateHelper.swift; sourceTree = "<group>"; };
 		5957EFE92D59D0700019B873 /* Reflection.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Reflection.swift; sourceTree = "<group>"; };
 		5957EFEB2D59D1550019B873 /* ReflectionViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ReflectionViewModel.swift; sourceTree = "<group>"; };
 		598907C52D461A930024CCEF /* Weekly01_회고시스템 */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; path = "Weekly01_회고시스템"; sourceTree = BUILT_PRODUCTS_DIR; };
@@ -42,6 +44,14 @@
 /* End PBXFrameworksBuildPhase section */
 
 /* Begin PBXGroup section */
+		590799372D5B751000D1D062 /* Helper */ = {
+			isa = PBXGroup;
+			children = (
+				5907993A2D5B755A00D1D062 /* DateHelper.swift */,
+			);
+			path = Helper;
+			sourceTree = "<group>";
+		};
 		5957EFE62D59CAAD0019B873 /* ViewModel */ = {
 			isa = PBXGroup;
 			children = (
@@ -85,6 +95,7 @@
 		598907C72D461A930024CCEF /* Weekly01_회고시스템 */ = {
 			isa = PBXGroup;
 			children = (
+				590799372D5B751000D1D062 /* Helper */,
 				5957EFE82D59CABF0019B873 /* Model */,
 				5957EFE72D59CAB90019B873 /* View */,
 				5957EFE62D59CAAD0019B873 /* ViewModel */,
@@ -151,6 +162,7 @@
 			buildActionMask = 2147483647;
 			files = (
 				5957EFEA2D59D0700019B873 /* Reflection.swift in Sources */,
+				5907993B2D5B755A00D1D062 /* DateHelper.swift in Sources */,
 				5957EFEC2D59D1550019B873 /* ReflectionViewModel.swift in Sources */,
 				598907C92D461A930024CCEF /* main.swift in Sources */,
 			);
diff --git "a/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Helper/DateHelper.swift" "b/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Helper/DateHelper.swift"
new file mode 100644
index 0000000..a78647c
--- /dev/null
+++ "b/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Helper/DateHelper.swift"
@@ -0,0 +1,40 @@
+//
+//  DateHelper.swift
+//  Weekly01_회고시스템
+//
+//  Created by 도민준 on 2/11/25.
+//
+
+import Foundation
+
+class DateHelper {
+    // 싱글톤
+    static let shared = DateHelper()
+    
+    private let dateFormats = [
+        "yyyy-MM-dd",      // 2025-04-12
+        "yyMMdd",          // 250412
+        "yyyy년 M월 d일"   // 2025년 4월 12일
+    ]
+    
+    private var formatters: [DateFormatter] = []
+    
+    private init() {
+        formatters = dateFormats.map { format in
+            let formatter = DateFormatter()
+            formatter.dateFormat = format
+            formatter.locale = Locale(identifier: "ko_KR")
+            formatter.timeZone = TimeZone(identifier: "Asia/Seoul")
+            return formatter
+        }
+    }
+    
+    func stringToDate(from input: String) -> Date? {
+        for formatter in formatters {
+            if let date = formatter.date(from: input) {
+                return date
+            }
+        }
+        return nil
+    }
+}
diff --git "a/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Model/Reflection.swift" "b/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Model/Reflection.swift"
index 7fdf702..f1ab250 100644
--- "a/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Model/Reflection.swift"
+++ "b/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Model/Reflection.swift"
@@ -8,6 +8,15 @@
 import Foundation
 
 struct Reflection {
-    let date: String
+    let date: Date
     var content: String
+    
+    // 날짜를 문자열 형태로 변환 (시간 정보 제거)
+    var dateString: String {
+        let formatter = DateFormatter()
+        formatter.locale = Locale(identifier: "ko_KR")
+        formatter.dateFormat = "yyyy-MM-dd"
+        formatter.timeStyle = .none
+        return formatter.string(from: date)
+    }
 }
diff --git "a/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/View/main.swift" "b/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/View/main.swift"
index b9b4bb7..c0571c8 100644
--- "a/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/View/main.swift"
+++ "b/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/View/main.swift"
@@ -28,22 +28,20 @@ while true {
     case 1:
         print("날짜를 입력하세요 (예: 2024-12-25):", terminator: " ")
         date = readLine() ?? ""
-        print("회고 내용을 입력하세요:", terminator: " ")
-        content = readLine() ?? ""
-        reflectionManager.addReflection(date: date, content: content)
+        reflectionManager.addReflection(dateString: date)
         
     case 2:
         print("조회할 날짜를 입력하세요:", terminator: " ")
         date = readLine() ?? ""
-        reflectionManager.retrieveReflection(date: date)
+        reflectionManager.retrieveReflection(dateString: date)
     case 3:
         print("수정할 날짜를 입력하세요:", terminator: " ")
         date = readLine() ?? ""
-        reflectionManager.updateReflection(date: date)
+        reflectionManager.updateReflection(dateString: date)
     case 4:
         print("삭제할 날짜를 입력하세요:", terminator: " ")
         date = readLine() ?? ""
-        reflectionManager.deleteReflection(date: date)
+        reflectionManager.deleteReflection(dateString: date)
         
     case 5:
         reflectionManager.printAllReflection()
diff --git "a/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/ViewModel/ReflectionViewModel.swift" "b/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/ViewModel/ReflectionViewModel.swift"
index fb9164a..307ddba 100644
--- "a/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/ViewModel/ReflectionViewModel.swift"
+++ "b/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/ViewModel/ReflectionViewModel.swift"
@@ -10,7 +10,7 @@ import Foundation
 class ReflectionViewModel {
     //날짜를 키 값으로 정하기 위해
     //private 메서드를 통해서만 접근 가능하게 하여 데이터 무결성 유지
-    private var reflections: [String: Reflection] = [:]
+    private var reflections: [Date: Reflection] = [:]
     
     // 메뉴 출력
     func printMenu() {
@@ -26,15 +26,27 @@ class ReflectionViewModel {
     }
     
     // 회고 추가
-    func addReflection(date: String, content: String) {
+    func addReflection(dateString: String) {
+        guard let date = DateHelper.shared.stringToDate(from: dateString) else {
+            print("잘못된 날짜 형식입니다.\n")
+            return
+        }
+        print("회고 내용을 입력하세요:", terminator: " ")
+        let content = readLine() ?? ""
+        
         reflections[date] = Reflection(date: date, content: content)
         print("회고가 추가 되었습니다.\n")
     }
     
     // 회고 조회
-    func retrieveReflection(date: String) {
+    func retrieveReflection(dateString: String) {
+        guard let date = DateHelper.shared.stringToDate(from: dateString) else {
+            print("잘못된 날짜 형식입니다.\n")
+            return
+        }
+        
         if let reflection = reflections[date] {
-            print("날짜: \(reflection.date)")
+            print("날짜: \(reflection.dateString)")
             print("내용: \(reflection.content)\n")
         } else {
             print("해당 날짜의 회고가 없습니다.\n")
@@ -42,10 +54,15 @@ class ReflectionViewModel {
     }
     
     // 회고 수정
-    func updateReflection(date: String) {
+    func updateReflection(dateString: String) {
+        guard let date = DateHelper.shared.stringToDate(from: dateString) else {
+            print("잘못된 날짜 형식입니다.\n")
+            return
+        }
+        
         if reflections[date] != nil {
             print("새로운 회고 내용을 입력하세요: ", terminator: " ")
-            var newContent = readLine() ?? ""
+            let newContent = readLine() ?? ""
             reflections[date]?.content = newContent
             print("회고가 수정되었습니다.\n")
         } else {
@@ -54,7 +71,12 @@ class ReflectionViewModel {
     }
     
     // 회고 삭제
-    func deleteReflection(date: String) {
+    func deleteReflection(dateString: String) {
+        guard let date = DateHelper.shared.stringToDate(from: dateString) else {
+            print("잘못된 날짜 형식입니다.\n")
+            return
+        }
+        
         if reflections.removeValue(forKey: date) != nil {
             print("회고가 삭제되었습니다.\n")
         } else {
@@ -66,7 +88,7 @@ class ReflectionViewModel {
     func printAllReflection() {
         print("=== 저장된 회고 목록 ===")
         for reflection in reflections.values {
-            print("날짜: \(reflection.date)")
+            print("날짜: \(reflection.dateString)")
             print("내용: \(reflection.content)")
         }
     }

From 06f7acd9a9dcc95095fc7cb875d6446ade38d2c4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EB=8F=84=EB=AF=BC=EC=A4=80?=
 <132960058+aado97@users.noreply.github.com>
Date: Tue, 11 Feb 2025 23:08:50 +0900
Subject: [PATCH 4/4] =?UTF-8?q?[#13]=20Date=20=EC=9D=B4=EC=8A=88=EB=8A=94?=
 =?UTF-8?q?=20=EB=82=B4=EC=9D=BC=20=EC=8A=A4=ED=84=B0=EB=94=94=EC=97=90?=
 =?UTF-8?q?=EC=84=9C=20=EC=9E=A1=EA=B2=A0=EC=8A=B5=EB=8B=88=EB=8B=A4,,?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../Helper/DateHelper.swift"                                | 6 +++++-
 .../Model/Reflection.swift"                                 | 1 +
 .../ViewModel/ReflectionViewModel.swift"                    | 4 ++++
 3 files changed, 10 insertions(+), 1 deletion(-)

diff --git "a/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Helper/DateHelper.swift" "b/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Helper/DateHelper.swift"
index a78647c..ef9cecd 100644
--- "a/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Helper/DateHelper.swift"
+++ "b/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Helper/DateHelper.swift"
@@ -32,7 +32,11 @@ class DateHelper {
     func stringToDate(from input: String) -> Date? {
         for formatter in formatters {
             if let date = formatter.date(from: input) {
-                return date
+                // 자정으로 설정하여 시간 정보 제거
+                let calendar = Calendar.current
+                let normalizedDate = calendar.startOfDay(for: date) // 시간 제거
+                print("변환된 날짜: \(normalizedDate)")  // 디버깅용 출력
+                return calendar.startOfDay(for: date)
             }
         }
         return nil
diff --git "a/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Model/Reflection.swift" "b/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Model/Reflection.swift"
index f1ab250..a617b22 100644
--- "a/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Model/Reflection.swift"
+++ "b/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Model/Reflection.swift"
@@ -16,6 +16,7 @@ struct Reflection {
         let formatter = DateFormatter()
         formatter.locale = Locale(identifier: "ko_KR")
         formatter.dateFormat = "yyyy-MM-dd"
+        formatter.timeZone = TimeZone(identifier: "Asia/Seoul") // 한국 시간으로 변환
         formatter.timeStyle = .none
         return formatter.string(from: date)
     }
diff --git "a/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/ViewModel/ReflectionViewModel.swift" "b/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/ViewModel/ReflectionViewModel.swift"
index 307ddba..ba32f1f 100644
--- "a/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/ViewModel/ReflectionViewModel.swift"
+++ "b/dominjun/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/Weekly01_\355\232\214\352\263\240\354\213\234\354\212\244\355\205\234/ViewModel/ReflectionViewModel.swift"
@@ -31,6 +31,10 @@ class ReflectionViewModel {
             print("잘못된 날짜 형식입니다.\n")
             return
         }
+        
+        let normalizedDate = Calendar.current.startOfDay(for: date) // 시간 제거
+        print("조회 변환된 날짜: \(normalizedDate)")  // 디버깅용 출력
+        
         print("회고 내용을 입력하세요:", terminator: " ")
         let content = readLine() ?? ""