NetNewsWire/Frameworks/Account/FeedIdentifier.swift

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//
// ArticleFetcherType.swift
// Account
//
// Created by Maurice Parker on 11/13/19.
// Copyright © 2019 Ranchero Software, LLC. All rights reserved.
//
import Foundation
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public protocol FeedIdentifiable {
var feedID: FeedIdentifier? { get }
}
public enum FeedIdentifier: CustomStringConvertible, Hashable {
case smartFeed(String) // String is a unique identifier
case script(String) // String is a unique identifier
case webFeed(String, String) // accountID, webFeedID
case folder(String, String) // accountID, folderName
public var description: String {
switch self {
case .smartFeed(let id):
return "smartFeed: \(id)"
case .script(let id):
return "script: \(id)"
case .webFeed(let accountID, let webFeedID):
return "feed: \(accountID)_\(webFeedID)"
case .folder(let accountID, let folderName):
return "folder: \(accountID)_\(folderName)"
}
}
public var userInfo: [AnyHashable: AnyHashable] {
switch self {
case .smartFeed(let id):
return [
"type": "smartFeed",
"id": id
]
case .script(let id):
return [
"type": "script",
"id": id
]
case .webFeed(let accountID, let webFeedID):
return [
"type": "feed",
"accountID": accountID,
"webFeedID": webFeedID
]
case .folder(let accountID, let folderName):
return [
"type": "folder",
"accountID": accountID,
"folderName": folderName
]
}
}
public init?(userInfo: [AnyHashable: AnyHashable]) {
guard let type = userInfo["type"] as? String else { return nil }
switch type {
case "smartFeed":
guard let id = userInfo["id"] as? String else { return nil }
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self = FeedIdentifier.smartFeed(id)
case "script":
guard let id = userInfo["id"] as? String else { return nil }
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self = FeedIdentifier.script(id)
case "feed":
guard let accountID = userInfo["accountID"] as? String, let webFeedID = userInfo["webFeedID"] as? String else { return nil }
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self = FeedIdentifier.webFeed(accountID, webFeedID)
case "folder":
guard let accountID = userInfo["accountID"] as? String, let folderName = userInfo["folderName"] as? String else { return nil }
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self = FeedIdentifier.folder(accountID, folderName)
default:
return nil
}
}
// MARK: - Hashable
public func hash(into hasher: inout Hasher) {
switch self {
case .smartFeed(let id):
hasher.combine("smartFeed")
hasher.combine(id)
case .script(let id):
hasher.combine("smartFeed")
hasher.combine(id)
case .webFeed(_, let webFeedID):
hasher.combine("webFeed")
hasher.combine(webFeedID)
case .folder(_, let folderName):
hasher.combine("folder")
hasher.combine(folderName)
}
}
}