Comments improvements

* Show text when there is no comments or comments are disabled
* Show progress indicator for loading comments/replies
* Improve layout of icons and text spacing

Model/Applications/PipedAPI.swift

@@ -72,10 +72,12 @@ final class PipedAPI: Service, ObservableObject, VideosAPI {
         }
 
         configureTransformer(pathPattern("comments/*")) { (content: Entity<JSON>) -> CommentsPage in
-            let comments = content.json.dictionaryValue["comments"]?.arrayValue.map { PipedAPI.extractComment(from: $0)! } ?? []
+            let details = content.json.dictionaryValue
-            let nextPage = content.json.dictionaryValue["nextpage"]?.stringValue
+            let comments = details["comments"]?.arrayValue.map { PipedAPI.extractComment(from: $0)! } ?? []
+            let nextPage = details["nextpage"]?.stringValue
+            let disabled = details["disabled"]?.boolValue ?? false
 
-            return CommentsPage(comments: comments, nextPage: nextPage)
+            return CommentsPage(comments: comments, nextPage: nextPage, disabled: disabled)
         }
 
         if account.token.isNil {

Model/CommentsModel.swift

@@ -4,16 +4,27 @@ import SwiftyJSON
 
 final class CommentsModel: ObservableObject {
     @Published var all = [Comment]()
-    @Published var replies = [Comment]()
 
     @Published var nextPage: String?
     @Published var firstPage = true
 
-    @Published var loaded = false
+    @Published var loaded = true
+    @Published var disabled = false
+
+    @Published var replies = [Comment]()
+    @Published var repliesLoaded = false
 
     var accounts: AccountsModel!
     var player: PlayerModel!
 
+    var instance: Instance? {
+        InstancesModel.find(Defaults[.commentsInstanceID])
+    }
+
+    var api: VideosAPI? {
+        instance.isNil ? nil : PipedAPI(account: instance!.anonymousAccount)
+    }
+
     static var enabled: Bool {
         !Defaults[.commentsInstanceID].isNil && !Defaults[.commentsInstanceID]!.isEmpty
     }
@@ -27,23 +38,23 @@ final class CommentsModel: ObservableObject {
             return
         }
 
-        loaded = false
+        reset()
-        clear()
 
-        guard let instance = InstancesModel.find(Defaults[.commentsInstanceID]),
+        guard !instance.isNil,
-              !player.currentVideo.isNil
+              !(player?.currentVideo.isNil ?? true)
         else {
             return
         }
 
         firstPage = page.isNil || page!.isEmpty
 
-        PipedAPI(account: instance.anonymousAccount).comments(player.currentVideo!.videoID, page: page)?
+        api?.comments(player.currentVideo!.videoID, page: page)?
             .load()
             .onSuccess { [weak self] response in
                 if let page: CommentsPage = response.typedContent() {
                     self?.all = page.comments
                     self?.nextPage = page.nextPage
+                    self?.disabled = page.disabled
                 }
             }
             .onCompletion { [weak self] _ in
@@ -61,19 +72,27 @@ final class CommentsModel: ObservableObject {
         }
 
         replies = []
+        repliesLoaded = false
 
-        accounts.api.comments(player.currentVideo!.videoID, page: page)?.load().onSuccess { response in
+        api?.comments(player.currentVideo!.videoID, page: page)?
+            .load()
+            .onSuccess { [weak self] response in
                 if let page: CommentsPage = response.typedContent() {
-                self.replies = page.comments
+                    self?.replies = page.comments
                 }
             }
+            .onCompletion { [weak self] _ in
+                self?.repliesLoaded = true
+            }
     }
 
-    func clear() {
+    func reset() {
         all = []
-        replies = []
+        disabled = false
         firstPage = true
         nextPage = nil
         loaded = false
+        replies = []
+        repliesLoaded = false
     }
 }

Model/CommentsPage.swift

@@ -3,4 +3,5 @@ import Foundation
 struct CommentsPage {
     var comments = [Comment]()
     var nextPage: String?
+    var disabled = false
 }

Model/Player/PlayerQueue.swift

@@ -37,7 +37,7 @@ extension PlayerModel {
     }
 
     func playItem(_ item: PlayerQueueItem, video: Video? = nil, at time: TimeInterval? = nil) {
-        comments.clear()
+        comments.reset()
         currentItem = item
 
         if !time.isNil {

Shared/Player/CommentView.swift

@@ -40,7 +40,7 @@ struct CommentView: View {
 
                                 Spacer()
 
-                                VStack(spacing: 5) {
+                                VStack(alignment: .trailing, spacing: 8) {
                                     likes
                                     statusIcons
                                 }
@@ -65,8 +65,15 @@ struct CommentView: View {
                 commentText
 
                 if comment.hasReplies {
+                    HStack(spacing: repliesButtonStackSpacing) {
                         repliesButton
 
+                        ProgressView()
+                            .scaleEffect(progressViewScale, anchor: .center)
+                            .opacity(repliesID == comment.id && !comments.repliesLoaded ? 1 : 0)
+                            .frame(maxHeight: 0)
+                    }
+
                     if comment.id == repliesID {
                         repliesList
                     }
@@ -148,16 +155,15 @@ struct CommentView: View {
             comments.loadReplies(page: comment.repliesPage!)
         } label: {
             HStack(spacing: 5) {
-                Image(systemName: self.repliesID == comment.id ? "arrow.turn.left.up" : "arrow.turn.right.down")
+                Image(systemName: repliesID == comment.id ? "arrow.turn.left.up" : "arrow.turn.right.down")
                 Text("Replies")
             }
             #if os(tvOS)
             .padding(10)
             #endif
         }
-
         .buttonStyle(.plain)
-        .padding(.top, 2)
+        .padding(.vertical, 2)
         #if os(tvOS)
             .padding(.leading, 5)
         #else
@@ -165,6 +171,24 @@ struct CommentView: View {
         #endif
     }
 
+    private var repliesButtonStackSpacing: Double {
+        #if os(tvOS)
+            24
+        #elseif os(iOS)
+            4
+        #else
+            2
+        #endif
+    }
+
+    private var progressViewScale: Double {
+        #if os(macOS)
+            0.4
+        #else
+            0.8
+        #endif
+    }
+
     private var repliesList: some View {
         Group {
             let last = comments.replies.last
@@ -179,8 +203,8 @@ struct CommentView: View {
                         .padding(.vertical, 5)
                 }
             }
-            .padding(.leading, 22)
         }
+        .padding(.leading, 22)
     }
 
     private var commentText: some View {
@@ -219,3 +243,13 @@ struct CommentView: View {
         }
     }
 }
+
+struct CommentView_Previews: PreviewProvider {
+    static var fixture: Comment {
+        Comment.fixture
+    }
+
+    static var previews: some View {
+        CommentView(comment: fixture, repliesID: .constant(fixture.id))
+    }
+}

Shared/Player/CommentsView.swift

@@ -7,6 +7,16 @@ struct CommentsView: View {
     @EnvironmentObject<PlayerModel> private var player
 
     var body: some View {
+        Group {
+            if comments.disabled {
+                Text("Comments are disabled for this video")
+                    .foregroundColor(.secondary)
+            } else if comments.loaded && comments.all.isEmpty {
+                Text("No comments")
+                    .foregroundColor(.secondary)
+            } else if !comments.loaded {
+                progressView
+            } else {
                 ScrollView(.vertical, showsIndicators: false) {
                     VStack(alignment: .leading) {
                         let last = comments.all.last
@@ -22,6 +32,7 @@ struct CommentsView: View {
                         HStack {
                             if comments.nextPageAvailable {
                                 Button {
+                                    repliesID = nil
                                     comments.loadNextPage()
                                 } label: {
                                     Label("Show more", systemImage: "arrow.turn.down.right")
@@ -30,6 +41,7 @@ struct CommentsView: View {
 
                             if !comments.firstPage {
                                 Button {
+                                    repliesID = nil
                                     comments.load(page: nil)
                                 } label: {
                                     Label("Show first", systemImage: "arrow.turn.down.left")
@@ -37,11 +49,31 @@ struct CommentsView: View {
                             }
                         }
                         .buttonStyle(.plain)
-                .padding(.vertical, 5)
+                        .padding(.vertical, 8)
                         .foregroundColor(.secondary)
                     }
                 }
+            }
+        }
         .padding(.horizontal)
+        .onAppear {
+            if !comments.loaded {
+                comments.load()
+            }
+        }
+    }
+
+    private var progressView: some View {
+        VStack {
+            Spacer()
+
+            HStack {
+                Spacer()
+                ProgressView()
+                Spacer()
+            }
+            Spacer()
+        }
     }
 }
 

Shared/Player/VideoDetails.swift

@@ -141,6 +141,8 @@ struct VideoDetails: View {
                             player.closeCurrentItem()
                             if !sidebarQueue {
                                 currentPage = .queue
+                            } else {
+                                currentPage = .info
                             }
                         } label: {
                             Label("Close Video", systemImage: "xmark.circle")