forked from zelo72/mastodon-ios
103 lines
2.7 KiB
Swift
103 lines
2.7 KiB
Swift
//
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// HomeTimelineIndex.swift
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// CoreDataStack
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//
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// Created by MainasuK Cirno on 2021/1/27.
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//
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import Foundation
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import CoreData
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final public class HomeTimelineIndex: NSManagedObject {
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public typealias ID = String
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@NSManaged public private(set) var identifier: ID
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@NSManaged public private(set) var domain: String
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@NSManaged public private(set) var userID: String
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@NSManaged public private(set) var hasMore: Bool // default NO
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@NSManaged public private(set) var createdAt: Date
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@NSManaged public private(set) var deletedAt: Date?
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// many-to-one relationship
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@NSManaged public private(set) var status: Status
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}
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extension HomeTimelineIndex {
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@discardableResult
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public static func insert(
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into context: NSManagedObjectContext,
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property: Property,
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status: Status
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) -> HomeTimelineIndex {
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let index: HomeTimelineIndex = context.insertObject()
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index.identifier = property.identifier
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index.domain = property.domain
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index.userID = property.userID
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index.createdAt = status.createdAt
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index.status = status
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return index
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}
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public func update(hasMore: Bool) {
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if self.hasMore != hasMore {
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self.hasMore = hasMore
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}
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}
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// internal method for status call
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func softDelete() {
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deletedAt = Date()
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}
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}
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extension HomeTimelineIndex {
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public struct Property {
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public let identifier: String
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public let domain: String
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public let userID: String
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public init(domain: String, userID: String) {
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self.identifier = UUID().uuidString + "@" + domain
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self.domain = domain
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self.userID = userID
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}
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}
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}
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extension HomeTimelineIndex: Managed {
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public static var defaultSortDescriptors: [NSSortDescriptor] {
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return [NSSortDescriptor(keyPath: \HomeTimelineIndex.createdAt, ascending: false)]
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}
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}
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extension HomeTimelineIndex {
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static func predicate(domain: String) -> NSPredicate {
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return NSPredicate(format: "%K == %@", #keyPath(HomeTimelineIndex.domain), domain)
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}
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static func predicate(userID: MastodonUser.ID) -> NSPredicate {
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return NSPredicate(format: "%K == %@", #keyPath(HomeTimelineIndex.userID), userID)
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}
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public static func predicate(domain: String, userID: MastodonUser.ID) -> NSPredicate {
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return NSCompoundPredicate(andPredicateWithSubpredicates: [
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predicate(domain: domain),
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predicate(userID: userID)
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])
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}
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public static func notDeleted() -> NSPredicate {
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return NSPredicate(format: "%K == nil", #keyPath(HomeTimelineIndex.deletedAt))
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}
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}
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