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mastodon-app-ufficiale-ipho.../CoreDataStack/Entity/Poll.swift

146 lines
4.0 KiB
Swift

//
// Poll.swift
// CoreDataStack
//
// Created by MainasuK Cirno on 2021-3-2.
//
import Foundation
import CoreData
public final class Poll: NSManagedObject {
public typealias ID = String
@NSManaged public private(set) var id: ID
@NSManaged public private(set) var expiresAt: Date?
@NSManaged public private(set) var expired: Bool
@NSManaged public private(set) var multiple: Bool
@NSManaged public private(set) var votesCount: NSNumber
@NSManaged public private(set) var votersCount: NSNumber?
@NSManaged public private(set) var createdAt: Date
@NSManaged public private(set) var updatedAt: Date
// one-to-one relationship
@NSManaged public private(set) var toot: Toot
// one-to-many relationship
@NSManaged public private(set) var options: Set<PollOption>
// many-to-many relationship
@NSManaged public private(set) var votedBy: Set<MastodonUser>?
}
extension Poll {
public override func awakeFromInsert() {
super.awakeFromInsert()
createdAt = Date()
}
@discardableResult
public static func insert(
into context: NSManagedObjectContext,
property: Property,
votedBy: MastodonUser?,
options: [PollOption]
) -> Poll {
let poll: Poll = context.insertObject()
poll.id = property.id
poll.expiresAt = property.expiresAt
poll.expired = property.expired
poll.multiple = property.multiple
poll.votesCount = property.votesCount
poll.votersCount = property.votersCount
poll.updatedAt = property.networkDate
if let votedBy = votedBy {
poll.mutableSetValue(forKey: #keyPath(Poll.votedBy)).add(votedBy)
}
poll.mutableSetValue(forKey: #keyPath(Poll.options)).addObjects(from: options)
return poll
}
public func update(expiresAt: Date?) {
if self.expiresAt != expiresAt {
self.expiresAt = expiresAt
}
}
public func update(expired: Bool) {
if self.expired != expired {
self.expired = expired
}
}
public func update(votesCount: Int) {
if self.votesCount.intValue != votesCount {
self.votesCount = NSNumber(value: votesCount)
}
}
public func update(votersCount: Int?) {
if self.votersCount?.intValue != votersCount {
self.votersCount = votersCount.flatMap { NSNumber(value: $0) }
}
}
public func update(voted: Bool, by: MastodonUser) {
if voted {
if !(votedBy ?? Set()).contains(by) {
mutableSetValue(forKey: #keyPath(Poll.votedBy)).add(by)
}
} else {
if (votedBy ?? Set()).contains(by) {
mutableSetValue(forKey: #keyPath(Poll.votedBy)).remove(by)
}
}
}
public func didUpdate(at networkDate: Date) {
self.updatedAt = networkDate
}
}
extension Poll {
public struct Property {
public let id: ID
public let expiresAt: Date?
public let expired: Bool
public let multiple: Bool
public let votesCount: NSNumber
public let votersCount: NSNumber?
public let networkDate: Date
public init(
id: Poll.ID,
expiresAt: Date?,
expired: Bool,
multiple: Bool,
votesCount: Int,
votersCount: Int?,
networkDate: Date
) {
self.id = id
self.expiresAt = expiresAt
self.expired = expired
self.multiple = multiple
self.votesCount = NSNumber(value: votesCount)
self.votersCount = votersCount.flatMap { NSNumber(value: $0) }
self.networkDate = networkDate
}
}
}
extension Poll: Managed {
public static var defaultSortDescriptors: [NSSortDescriptor] {
return [NSSortDescriptor(keyPath: \Poll.createdAt, ascending: false)]
}
}