103 lines
2.7 KiB
Swift
103 lines
2.7 KiB
Swift
//
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// Persistence+MastodonPollOption.swift
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//
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//
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// Created by MainasuK on 2021-12-9.
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//
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import CoreData
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import CoreDataStack
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import Foundation
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import MastodonSDK
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extension Persistence.PollOption {
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public struct PersistContext {
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public let index: Int
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public let poll: Poll
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public let entity: Mastodon.Entity.Poll.Option
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public let me: MastodonUser?
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public let networkDate: Date
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public init(
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index: Int,
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poll: Poll,
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entity: Mastodon.Entity.Poll.Option,
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me: MastodonUser?,
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networkDate: Date
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) {
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self.index = index
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self.poll = poll
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self.entity = entity
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self.me = me
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self.networkDate = networkDate
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}
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}
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public struct PersistResult {
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public let option: PollOption
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public let isNewInsertion: Bool
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public init(
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option: PollOption,
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isNewInsertion: Bool
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) {
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self.option = option
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self.isNewInsertion = isNewInsertion
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}
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}
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// the bare Poll.Option entity not supports merge from entity.
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// use merge entry on MastodonPoll with exists option objects
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public static func persist(
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in managedObjectContext: NSManagedObjectContext,
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context: PersistContext
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) -> PersistResult {
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let option = create(in: managedObjectContext, context: context)
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return PersistResult(option: option, isNewInsertion: true)
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}
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}
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extension Persistence.PollOption {
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@discardableResult
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public static func create(
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in managedObjectContext: NSManagedObjectContext,
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context: PersistContext
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) -> PollOption {
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let property = PollOption.Property(
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poll: context.poll,
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index: context.index,
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entity: context.entity,
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networkDate: context.networkDate
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)
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let option = PollOption.insert(into: managedObjectContext, property: property)
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update(option: option, context: context)
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return option
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}
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public static func merge(
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option: PollOption,
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context: PersistContext
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) {
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guard context.networkDate > option.updatedAt else { return }
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let property = PollOption.Property(
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poll: context.poll,
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index: context.index,
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entity: context.entity,
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networkDate: context.networkDate
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)
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option.update(property: property)
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update(option: option, context: context)
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}
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private static func update(
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option: PollOption,
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context: PersistContext
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) {
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// Do nothing
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} // end func update
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}
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