[d.o] 학생 성적관리 프로그램

Model/CoreDataManager.swift

@@ -0,0 +1,74 @@
+//
+//  CoreDataManager.swift
+//  MyCreditManager_dosh.kor
+//
+//  Created by 신동오 on 2022/12/06.
+//
+
+import Foundation
+import CoreData 
+
+final class CoreDataManager {
+
+    // singleton
+    static let shared: CoreDataManager = CoreDataManager()
+
+    let modelName: String = "GradeCard"
+
+    // Persistent Container load
+    lazy var persistentContainer: NSPersistentContainer = {
+        let container = NSPersistentContainer(name: "Model")
+        container.loadPersistentStores(completionHandler: { (storeDescription, error) in
+            if let error = error as NSError? {
+                fatalError("Unresolved error \(error), \(error.userInfo)")
+            }
+        })
+        return container
+    }()
+
+    // Managed Object Context
+    var context: NSManagedObjectContext {
+        return persistentContainer.viewContext
+    }
+
+    func saveToContext() {
+        if context.hasChanges {
+            do {
+                try context.save()
+            } catch {
+                print(error.localizedDescription)
+            }
+        }
+    }
+
+    func readGradeCards() -> [GradeCard] {
+        var gradeCardArray:[GradeCard] = []
+        let request = NSFetchRequest<NSManagedObject>(entityName: modelName)
+
+        do {
+            if let fetchedGradeCard = try context.fetch(request) as? [GradeCard] {
+                gradeCardArray = fetchedGradeCard
+            }
+        } catch {
+            print("read() 실패", error.localizedDescription)
+        }
+
+        return gradeCardArray
+    }
+
+    func createGradeCard(name: String, subject: String?, grade: String?) {
+        if let entity = NSEntityDescription.entity(forEntityName: modelName, in: context){
+            if let gradeCard = NSManagedObject(entity: entity, insertInto: context) as? GradeCard {
+                gradeCard.name = name
+                gradeCard.subject = subject ?? "empty"
+                gradeCard.grade = grade ?? "empty"
+                self.saveToContext()
+            }
+        }
+    }
+
+    func deleteGradeCard(data: GradeCard) {
+                    context.delete(data)
+                    self.saveToContext()
+    }
+}

Model/GradeCard+CoreDataClass.swift

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+//
+//  GradeCard+CoreDataClass.swift
+//  MyCreditManager_dosh.kor
+//
+//  Created by 신동오 on 2022/12/06.
+//
+//
+
+import Foundation
+import CoreData
+
+@objc(GradeCard)
+public class GradeCard: NSManagedObject {
+
+}

Model/GradeCard+CoreDataProperties.swift

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+//
+//  GradeCard+CoreDataProperties.swift
+//  MyCreditManager_dosh.kor
+//
+//  Created by 신동오 on 2022/12/06.
+//
+//
+
+import Foundation
+import CoreData
+
+
+extension GradeCard {
+
+    @nonobjc public class func fetchRequest() -> NSFetchRequest<GradeCard> {
+        return NSFetchRequest<GradeCard>(entityName: "GradeCard")
+    }
+
+    @NSManaged public var grade: String?
+    @NSManaged public var name: String?
+    @NSManaged public var subject: String?
+
+}
+
+extension GradeCard : Identifiable {
+
+}

Model/LocalItem.swift

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+//
+//  LocalItem.swift
+//  MyCreditManager_dosh.kor
+//
+//  Created by 신동오 on 2022/12/08.
+//
+
+import Foundation
+
+let permittedString: [String] = ["a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "+", " "]