98 lines
3.0 KiB
Swift
98 lines
3.0 KiB
Swift
//
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// Item.swift
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// Mastodon
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//
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// Created by sxiaojian on 2021/1/27.
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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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/// Note: update Equatable when change case
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enum Item {
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// timeline
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case homeTimelineIndex(objectID: NSManagedObjectID, attribute: StatusAttribute)
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// normal list
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case status(objectID: NSManagedObjectID, attribute: StatusAttribute)
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// loader
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case homeMiddleLoader(upperTimelineIndexAnchorObjectID: NSManagedObjectID)
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case publicMiddleLoader(statusID: String)
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case bottomLoader
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}
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protocol StatusContentWarningAttribute {
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var isStatusTextSensitive: Bool? { get set }
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var isStatusSensitive: Bool? { get set }
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}
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extension Item {
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class StatusAttribute: StatusContentWarningAttribute {
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var isStatusTextSensitive: Bool?
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var isStatusSensitive: Bool?
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init(
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isStatusTextSensitive: Bool? = nil,
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isStatusSensitive: Bool? = nil
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) {
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self.isStatusTextSensitive = isStatusTextSensitive
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self.isStatusSensitive = isStatusSensitive
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}
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// delay attribute init
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func setupForStatus(status: Status) {
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if isStatusTextSensitive == nil {
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isStatusTextSensitive = {
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guard let spoilerText = status.spoilerText, !spoilerText.isEmpty else { return false }
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return true
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}()
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}
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if isStatusSensitive == nil {
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isStatusSensitive = status.sensitive
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}
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}
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}
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}
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extension Item: Equatable {
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static func == (lhs: Item, rhs: Item) -> Bool {
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switch (lhs, rhs) {
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case (.homeTimelineIndex(let objectIDLeft, _), .homeTimelineIndex(let objectIDRight, _)):
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return objectIDLeft == objectIDRight
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case (.status(let objectIDLeft, _), .status(let objectIDRight, _)):
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return objectIDLeft == objectIDRight
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case (.bottomLoader, .bottomLoader):
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return true
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case (.publicMiddleLoader(let upperLeft), .publicMiddleLoader(let upperRight)):
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return upperLeft == upperRight
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case (.homeMiddleLoader(let upperLeft), .homeMiddleLoader(let upperRight)):
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return upperLeft == upperRight
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default:
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return false
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}
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}
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}
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extension Item: Hashable {
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func hash(into hasher: inout Hasher) {
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switch self {
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case .homeTimelineIndex(let objectID, _):
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hasher.combine(objectID)
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case .status(let objectID, _):
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hasher.combine(objectID)
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case .publicMiddleLoader(let upper):
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hasher.combine(String(describing: Item.publicMiddleLoader.self))
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hasher.combine(upper)
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case .homeMiddleLoader(upperTimelineIndexAnchorObjectID: let upper):
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hasher.combine(String(describing: Item.homeMiddleLoader.self))
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hasher.combine(upper)
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case .bottomLoader:
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hasher.combine(String(describing: Item.bottomLoader.self))
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}
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}
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}
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