NetNewsWire/Shared/SmartFeeds/StarredFeedDelegate.swift

//
//  StarredFeedDelegate.swift
//  NetNewsWire
//
//  Created by Brent Simmons on 11/19/17.
//  Copyright © 2017 Ranchero Software. All rights reserved.
//

import Foundation
import Articles
import Account


struct StarredFeedDelegate: SmartFeedDelegate {

	let nameForDisplay = NSLocalizedString("Starred", comment: "Starred pseudo-feed title")

	func fetchUnreadCount(for account: Account, callback: @escaping (Int) -> Void) {

		account.fetchUnreadCountForStarredArticles(callback)
	}

	// MARK: ArticleFetcher

	func fetchArticles() -> Set<Article> {

		var articles = Set<Article>()
		for account in AccountManager.shared.activeAccounts {
			articles.formUnion(account.fetchStarredArticles())
		}
		return articles
	}

	func fetchUnreadArticles() -> Set<Article> {

		return fetchArticles().unreadArticles()
	}

}