62 lines
1.5 KiB
Swift
62 lines
1.5 KiB
Swift
//
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// History.swift
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// CoreDataStack
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//
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// Created by sxiaojian on 2021/2/1.
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//
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import CoreData
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import Foundation
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public final class History: NSManagedObject {
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public typealias ID = UUID
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@NSManaged public private(set) var identifier: ID
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@NSManaged public private(set) var createAt: Date
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@NSManaged public private(set) var day: Date
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@NSManaged public private(set) var uses: Int
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@NSManaged public private(set) var accounts: Int
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// many-to-one relationship
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@NSManaged public private(set) var tag: Tag
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}
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public extension History {
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override func awakeFromInsert() {
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super.awakeFromInsert()
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identifier = UUID()
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}
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@discardableResult
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static func insert(
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into context: NSManagedObjectContext,
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property: Property
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) -> History {
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let history: History = context.insertObject()
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history.day = property.day
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history.uses = property.uses
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history.accounts = property.accounts
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return history
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}
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}
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public extension History {
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struct Property {
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public let day: Date
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public let uses: Int
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public let accounts: Int
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public init(day: Date, uses: Int, accounts: Int) {
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self.day = day
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self.uses = uses
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self.accounts = accounts
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}
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}
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}
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extension History: Managed {
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public static var defaultSortDescriptors: [NSSortDescriptor] {
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return [NSSortDescriptor(keyPath: \History.createAt, ascending: false)]
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}
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}
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