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BookmarkObjects.swift
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BookmarkObjects.swift
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//
// BookmarkObjects.swift
// DuckDuckGo
//
// Copyright © 2021 DuckDuckGo. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
import Foundation
import CoreData
public protocol BookmarkItem {
var objectID: NSManagedObjectID { get }
var title: String? { get set }
var isFavorite: Bool { get set }
var parentFolder: BookmarkFolder? { get set }
}
private struct Constants {
static let ddgSuffix = " at DuckDuckGo"
}
public protocol Bookmark: BookmarkItem {
var url: URL? { get set }
var displayTitle: String? { get }
}
public extension Bookmark {
var displayTitle: String? {
let host = url?.host?.droppingWwwPrefix() ?? url?.absoluteString
var displayTitle = (title?.isEmpty ?? true) ? host : title
if let url = url, url.isDuckDuckGo,
let title = displayTitle, title.hasSuffix(Constants.ddgSuffix) {
displayTitle = String(title.dropLast(Constants.ddgSuffix.count))
}
return displayTitle
}
}
public protocol BookmarkFolder: BookmarkItem {
var children: NSOrderedSet? { get set }
}
public extension BookmarkFolder {
var numberOfChildrenDeep: Int {
guard let children = children else { return 0 }
return children.reduce(children.count) { $0 + (($1 as? BookmarkFolder)?.numberOfChildrenDeep ?? 0) }
}
}
extension BookmarkItemManagedObject: BookmarkItem {
public var parentFolder: BookmarkFolder? {
get {
parent
}
set {
parent = newValue as? BookmarkFolderManagedObject
}
}
}
extension BookmarkManagedObject: Bookmark { }
extension BookmarkFolderManagedObject: BookmarkFolder { }