mastodon-ios/CoreDataStack/Entity/HomeTimelineIndex.swift

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//
// HomeTimelineIndex.swift
// CoreDataStack
//
// Created by MainasuK Cirno on 2021/1/27.
//
import Foundation
import CoreData
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final public class HomeTimelineIndex: NSManagedObject {
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public typealias ID = String
@NSManaged public private(set) var identifier: ID
@NSManaged public private(set) var domain: String
@NSManaged public private(set) var userID: String
@NSManaged public private(set) var hasMore: Bool // default NO
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@NSManaged public private(set) var createdAt: Date
@NSManaged public private(set) var deletedAt: Date?
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// many-to-one relationship
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@NSManaged public private(set) var toot: Toot
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}
extension HomeTimelineIndex {
@discardableResult
public static func insert(
into context: NSManagedObjectContext,
property: Property,
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toot: Toot
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) -> HomeTimelineIndex {
let index: HomeTimelineIndex = context.insertObject()
index.identifier = property.identifier
index.domain = property.domain
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index.userID = property.userID
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index.createdAt = toot.createdAt
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index.toot = toot
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return index
}
public func update(hasMore: Bool) {
if self.hasMore != hasMore {
self.hasMore = hasMore
}
}
// internal method for Toot call
func softDelete() {
deletedAt = Date()
}
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}
extension HomeTimelineIndex {
public struct Property {
public let identifier: String
public let domain: String
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public let userID: String
public init(domain: String,userID: String) {
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self.identifier = UUID().uuidString + "@" + domain
self.domain = domain
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self.userID = userID
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}
}
}
extension HomeTimelineIndex: Managed {
public static var defaultSortDescriptors: [NSSortDescriptor] {
return [NSSortDescriptor(keyPath: \HomeTimelineIndex.createdAt, ascending: false)]
}
}
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extension HomeTimelineIndex {
public static func predicate(userID: String) -> NSPredicate {
return NSPredicate(format: "%K == %@", #keyPath(HomeTimelineIndex.userID), userID)
}
public static func notDeleted() -> NSPredicate {
return NSPredicate(format: "%K == nil", #keyPath(HomeTimelineIndex.deletedAt))
}
}