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- //
- // CollectionModel.swift
- // VLC-iOS
- //
- // Created by Carola Nitz on 08.03.19.
- // Copyright © 2019 VideoLAN. All rights reserved.
- //
- import Foundation
- class CollectionModel: MLBaseModel {
- var sortModel: SortModel
- var mediaCollection: MediaCollectionModel
- typealias MLType = VLCMLMedia // could be anything
- required init(medialibrary: MediaLibraryService) {
- preconditionFailure("")
- }
- required init(mediaService: MediaLibraryService, mediaCollection: MediaCollectionModel) {
- self.medialibrary = mediaService
- self.mediaCollection = mediaCollection
- files = mediaCollection.files() ?? []
- sortModel = mediaCollection.sortModel() ?? SortModel([.default])
- medialibrary.addObserver(self)
- }
- func append(_ item: VLCMLMedia) {
- files.append(item)
- }
- var medialibrary: MediaLibraryService
- var updateView: (() -> Void)?
- var files = [VLCMLMedia]()
- var cellType: BaseCollectionViewCell.Type { return MediaCollectionViewCell.self }
- // No indicator for this model so no localization needed.
- var indicatorName: String = "Collections"
- func delete(_ items: [VLCMLObject]) {
- if let playlist = mediaCollection as? VLCMLPlaylist {
- for case let media as VLCMLMedia in items {
- if let index = files.firstIndex(of: media) {
- playlist.removeMedia(fromPosition: UInt32(index))
- }
- }
- } else {
- do {
- for case let media as VLCMLMedia in items {
- if let mainFile = media.mainFile() {
- try FileManager.default.removeItem(atPath: mainFile.mrl.path)
- }
- }
- medialibrary.reload()
- }
- catch let error as NSError {
- assertionFailure("CollectionModel: Delete failed: \(error.localizedDescription)")
- }
- }
- }
- }
- // MARK: - Edit
- extension CollectionModel: EditableMLModel {
- func editCellType() -> BaseCollectionViewCell.Type {
- return MediaEditCell.self
- }
- }
- // MARK: - MediaLibraryObserver
- extension CollectionModel: MediaLibraryObserver {
- func medialibrary(_ medialibrary: MediaLibraryService, didModifyPlaylists playlists: [VLCMLPlaylist]) {
- if mediaCollection is VLCMLPlaylist {
- files = mediaCollection.files() ?? []
- updateView?()
- }
- }
- func medialibrary(_ medialibrary: MediaLibraryService, didDeleteMediaWithIds ids: [NSNumber]) {
- files = mediaCollection.files() ?? []
- updateView?()
- }
- }
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