Add home screen refresh

JellyfinPlayer.xcodeproj/project.pbxproj

@@ -328,6 +328,9 @@
 		E1D4BF8C2719F39F00A11E64 /* AppAppearance.swift in Sources */ = {isa = PBXBuildFile; fileRef = E1D4BF802719D22800A11E64 /* AppAppearance.swift */; };
 		E1D4BF8D2719F3A300A11E64 /* VideoPlayerJumpLength.swift in Sources */ = {isa = PBXBuildFile; fileRef = E1F0204D26CCCA74001C1C3B /* VideoPlayerJumpLength.swift */; };
 		E1D4BF8F271A079A00A11E64 /* BasicAppSettingsView.swift in Sources */ = {isa = PBXBuildFile; fileRef = E1D4BF8E271A079A00A11E64 /* BasicAppSettingsView.swift */; };
+		E1E48CC9271E6D410021A2F9 /* RefreshHelper.swift in Sources */ = {isa = PBXBuildFile; fileRef = E1E48CC8271E6D410021A2F9 /* RefreshHelper.swift */; };
+		E1E48CCA271E6D410021A2F9 /* RefreshHelper.swift in Sources */ = {isa = PBXBuildFile; fileRef = E1E48CC8271E6D410021A2F9 /* RefreshHelper.swift */; };
+		E1E48CCB271E6D410021A2F9 /* RefreshHelper.swift in Sources */ = {isa = PBXBuildFile; fileRef = E1E48CC8271E6D410021A2F9 /* RefreshHelper.swift */; };
 		E1F0204E26CCCA74001C1C3B /* VideoPlayerJumpLength.swift in Sources */ = {isa = PBXBuildFile; fileRef = E1F0204D26CCCA74001C1C3B /* VideoPlayerJumpLength.swift */; };
 		E1F0204F26CCCA74001C1C3B /* VideoPlayerJumpLength.swift in Sources */ = {isa = PBXBuildFile; fileRef = E1F0204D26CCCA74001C1C3B /* VideoPlayerJumpLength.swift */; };
 		E1FCD08826C35A0D007C8DCF /* NetworkError.swift in Sources */ = {isa = PBXBuildFile; fileRef = E1FCD08726C35A0D007C8DCF /* NetworkError.swift */; };
@@ -576,6 +579,7 @@
 		E1D4BF862719D27100A11E64 /* Bitrates.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Bitrates.swift; sourceTree = "<group>"; };
 		E1D4BF892719D3D000A11E64 /* BasicAppSettingsCoordinator.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BasicAppSettingsCoordinator.swift; sourceTree = "<group>"; };
 		E1D4BF8E271A079A00A11E64 /* BasicAppSettingsView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BasicAppSettingsView.swift; sourceTree = "<group>"; };
+		E1E48CC8271E6D410021A2F9 /* RefreshHelper.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RefreshHelper.swift; sourceTree = "<group>"; };
 		E1F0204D26CCCA74001C1C3B /* VideoPlayerJumpLength.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = VideoPlayerJumpLength.swift; sourceTree = "<group>"; };
 		E1FCD08726C35A0D007C8DCF /* NetworkError.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NetworkError.swift; sourceTree = "<group>"; };
 		E1FCD09526C47118007C8DCF /* ErrorMessage.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ErrorMessage.swift; sourceTree = "<group>"; };
@@ -786,6 +790,7 @@
 				62EC353326766B03000E9F2D /* DeviceRotationViewModifier.swift */,
 				E193D4DA27193CCA00900D82 /* PillStackable.swift */,
 				E193D4D727193CAC00900D82 /* PortraitImageStackable.swift */,
+				E1E48CC8271E6D410021A2F9 /* RefreshHelper.swift */,
 				E1D4BF832719D25A00A11E64 /* TrackLanguage.swift */,
 				535870AC2669D8DD00D05A09 /* Typings.swift */,
 				E1F0204D26CCCA74001C1C3B /* VideoPlayerJumpLength.swift */,
@@ -1705,6 +1710,7 @@
 				53ABFDE5267974EF00886593 /* ViewModel.swift in Sources */,
 				C45B29BB26FAC5B600CEF5E0 /* ColorExtension.swift in Sources */,
 				531069582684E7EE00CFFDBA /* MediaInfoView.swift in Sources */,
+				E1E48CCA271E6D410021A2F9 /* RefreshHelper.swift in Sources */,
 				E1D4BF822719D22800A11E64 /* AppAppearance.swift in Sources */,
 				53272537268C1DBB0035FBF1 /* SeasonItemView.swift in Sources */,
 				09389CC526814E4500AE350E /* DeviceProfileBuilder.swift in Sources */,
@@ -1803,6 +1809,7 @@
 				6220D0CC26D640C400B8E046 /* AppURLHandler.swift in Sources */,
 				62E632F3267D54030063E547 /* ItemViewModel.swift in Sources */,
 				53DE4BD2267098F300739748 /* SearchBarView.swift in Sources */,
+				E1E48CC9271E6D410021A2F9 /* RefreshHelper.swift in Sources */,
 				E1D4BF842719D25A00A11E64 /* TrackLanguage.swift in Sources */,
 				E14F7D0726DB36EF007C3AE6 /* ItemPortraitMainView.swift in Sources */,
 				E1AD106226D9B7CD003E4A08 /* ItemPortraitHeaderOverlayView.swift in Sources */,
@@ -1873,6 +1880,7 @@
 				628B95272670CABD0091AF3B /* NextUpWidget.swift in Sources */,
 				E13DD3F72717E87D009D4DAF /* SwiftfinNotificationCenter.swift in Sources */,
 				E1D4BF8D2719F3A300A11E64 /* VideoPlayerJumpLength.swift in Sources */,
+				E1E48CCB271E6D410021A2F9 /* RefreshHelper.swift in Sources */,
 				6220D0AF26D5EABE00B8E046 /* ViewExtensions.swift in Sources */,
 				E13DD3D7271693CD009D4DAF /* SwiftfinStoreDefaults.swift in Sources */,
 				E1FCD09926C4F358007C8DCF /* NetworkError.swift in Sources */,

JellyfinPlayer/Views/HomeView.swift

@@ -8,6 +8,7 @@
  */
 
 import Foundation
+import Introspect
 import SwiftUI
 
 struct HomeView: View {
@@ -15,6 +16,8 @@ struct HomeView: View {
     @EnvironmentObject var homeRouter: HomeCoordinator.Router
     @StateObject var viewModel = HomeViewModel()
     
+    private let refreshHelper = RefreshHelper()
+
     @ViewBuilder
     var innerBody: some View {
         if viewModel.isLoading {
@@ -28,19 +31,18 @@ struct HomeView: View {
                     if !viewModel.nextUpItems.isEmpty {
                         NextUpView(items: viewModel.nextUpItems)
                     }
-                    if !viewModel.librariesShowRecentlyAddedIDs.isEmpty {
+                    
-                        ForEach(viewModel.librariesShowRecentlyAddedIDs, id: \.self) { libraryID in
+                    ForEach(viewModel.libraries, id: \.self) { library in
-                            let library = viewModel.libraries.first(where: { $0.id == libraryID })
                         HStack {
-                                Text("Latest \(library?.name ?? "")")
+                            Text("Latest \(library.name ?? "")")
                                 .font(.title2)
                                 .fontWeight(.bold)
                             Spacer()
                             Button {
                                 homeRouter
-                                        .route(to: \.library, (viewModel: .init(parentID: libraryID,
+                                    .route(to: \.library, (viewModel: .init(parentID: library.id!,
                                                                             filters: viewModel.recentFilterSet),
-                                                               title: library?.name ?? ""))
+                                                           title: library.name ?? ""))
                             } label: {
                                 HStack {
                                     Text("See All").font(.subheadline).fontWeight(.bold)
@@ -49,12 +51,20 @@ struct HomeView: View {
                             }
                         }.padding(.leading, 16)
                             .padding(.trailing, 16)
-                            LatestMediaView(viewModel: .init(libraryID: libraryID))
+                        LatestMediaView(viewModel: .init(libraryID: library.id!))
-                        }
                     }
                 }
                 .padding(.bottom, UIDevice.current.userInterfaceIdiom == .phone ? 20 : 30)
             }
+            .introspectScrollView { scrollView in
+                let control = UIRefreshControl()
+                
+                refreshHelper.refreshControl = control
+                refreshHelper.refreshAction = viewModel.refresh
+                
+                control.addTarget(refreshHelper, action: #selector(RefreshHelper.didRefresh), for: .valueChanged)
+                scrollView.refreshControl = control
+            }
         }
     }
 

Shared/Objects/RefreshHelper.swift

@@ -0,0 +1,23 @@
+//
+ /* 
+  * SwiftFin is subject to the terms of the Mozilla Public
+  * License, v2.0. If a copy of the MPL was not distributed with this
+  * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+  *
+  * Copyright 2021 Aiden Vigue & Jellyfin Contributors
+  */
+
+import UIKit
+
+// A more general derivative of
+// https://stackoverflow.com/questions/65812080/introspect-library-uirefreshcontrol-with-swiftui-not-working
+class RefreshHelper {
+    var refreshControl: UIRefreshControl?
+    var refreshAction: (() -> Void)?
+    
+    @objc func didRefresh() {
+        guard let refreshControl = refreshControl else { return }
+        refreshAction?()
+        refreshControl.endRefreshing()
+    }
+}

Shared/ViewModels/HomeViewModel.swift

@@ -14,10 +14,10 @@ import JellyfinAPI
 
 final class HomeViewModel: ViewModel {
 
-    @Published var librariesShowRecentlyAddedIDs = [String]()
+    @Published var librariesShowRecentlyAddedIDs: [String] = []
-    @Published var libraries = [BaseItemDto]()
+    @Published var libraries: [BaseItemDto] = []
-    @Published var resumeItems = [BaseItemDto]()
+    @Published var resumeItems: [BaseItemDto] = []
-    @Published var nextUpItems = [BaseItemDto]()
+    @Published var nextUpItems: [BaseItemDto] = []
 
     // temp
     var recentFilterSet: LibraryFilters = LibraryFilters(filters: [], sortOrder: [.descending], sortBy: [.dateAdded])
@@ -32,26 +32,42 @@ final class HomeViewModel: ViewModel {
         UserViewsAPI.getUserViews(userId: SessionManager.main.currentLogin.user.id)
             .trackActivity(loading)
             .sink(receiveCompletion: { completion in
+                switch completion {
+                case .finished: ()
+                case .failure(_):
+                    self.libraries = []
                     self.handleAPIRequestError(completion: completion)
+                }
             }, receiveValue: { response in
+                
+                var newLibraries: [BaseItemDto] = []
+                
                 response.items!.forEach { item in
                     LogManager.shared.log.debug("Retrieved user view: \(item.id!) (\(item.name ?? "nil")) with type \(item.collectionType ?? "nil")")
                     if item.collectionType == "movies" || item.collectionType == "tvshows" {
-                        self.libraries.append(item)
+                        newLibraries.append(item)
                     }
                 }
 
                 UserAPI.getCurrentUser()
                     .trackActivity(self.loading)
                     .sink(receiveCompletion: { completion in
+                        switch completion {
+                        case .finished: ()
+                        case .failure(_):
+                            self.libraries = []
                             self.handleAPIRequestError(completion: completion)
+                        }
                     }, receiveValue: { response in
-                        self.libraries.forEach { library in
+                        let excludeIDs = response.configuration?.latestItemsExcludes != nil ? response.configuration!.latestItemsExcludes! : []
-                            if !(response.configuration?.latestItemsExcludes?.contains(library.id!))! {
+                        
-                                LogManager.shared.log.debug("Adding library \(library.id!) (\(library.name ?? "nil")) to recently added list")
+                        for excludeID in excludeIDs {
-                                self.librariesShowRecentlyAddedIDs.append(library.id!)
+                            newLibraries.removeAll { library in
+                                return library.id == excludeID
                             }
                         }
+                        
+                        self.libraries = newLibraries
                     })
                     .store(in: &self.cancellables)
             })
@@ -59,12 +75,20 @@ final class HomeViewModel: ViewModel {
 
         ItemsAPI.getResumeItems(userId: SessionManager.main.currentLogin.user.id, limit: 12,
                                 fields: [.primaryImageAspectRatio, .seriesPrimaryImage, .seasonUserData, .overview, .genres, .people],
-                                mediaTypes: ["Video"], imageTypeLimit: 1, enableImageTypes: [.primary, .backdrop, .thumb])
+                                mediaTypes: ["Video"],
+                                imageTypeLimit: 1,
+                                enableImageTypes: [.primary, .backdrop, .thumb])
             .trackActivity(loading)
             .sink(receiveCompletion: { completion in
+                switch completion {
+                case .finished: ()
+                case .failure(_):
+                    self.resumeItems = []
                     self.handleAPIRequestError(completion: completion)
+                }
             }, receiveValue: { response in
                 LogManager.shared.log.debug("Retrieved \(String(response.items!.count)) resume items")
+                
                 self.resumeItems = response.items ?? []
             })
             .store(in: &cancellables)
@@ -73,9 +97,15 @@ final class HomeViewModel: ViewModel {
                              fields: [.primaryImageAspectRatio, .seriesPrimaryImage, .seasonUserData, .overview, .genres, .people])
             .trackActivity(loading)
             .sink(receiveCompletion: { completion in
+                switch completion {
+                case .finished: ()
+                case .failure(_):
+                    self.nextUpItems = []
                     self.handleAPIRequestError(completion: completion)
+                }
             }, receiveValue: { response in
                 LogManager.shared.log.debug("Retrieved \(String(response.items!.count)) nextup items")
+                
                 self.nextUpItems = response.items ?? []
             })
             .store(in: &cancellables)