added last.fm stats, fixed loading wheel states, added placeholder messages

Music Tools.xcodeproj/project.pbxproj

@@ -7,6 +7,7 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
+		E906F7F42414019C004E1E31 /* NetworkPersister.swift in Sources */ = {isa = PBXBuildFile; fileRef = E906F7F32414019C004E1E31 /* NetworkPersister.swift */; };
 		E92F94822401412100B6B721 /* SwiftUIRefresh in Frameworks */ = {isa = PBXBuildFile; productRef = E92F94812401412100B6B721 /* SwiftUIRefresh */; };
 		E934AC99240DD0E4009869F4 /* AddTagSheet.swift in Sources */ = {isa = PBXBuildFile; fileRef = E934AC98240DD0E4009869F4 /* AddTagSheet.swift */; };
 		E97AF45623FC4E7800635494 /* User.swift in Sources */ = {isa = PBXBuildFile; fileRef = E97AF45523FC4E7800635494 /* User.swift */; };
@@ -59,6 +60,7 @@
 /* End PBXContainerItemProxy section */
 
 /* Begin PBXFileReference section */
+		E906F7F32414019C004E1E31 /* NetworkPersister.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NetworkPersister.swift; sourceTree = "<group>"; };
 		E934AC98240DD0E4009869F4 /* AddTagSheet.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AddTagSheet.swift; sourceTree = "<group>"; };
 		E97AF45523FC4E7800635494 /* User.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = User.swift; sourceTree = "<group>"; };
 		E97AF45A23FC748D00635494 /* UserApi.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UserApi.swift; sourceTree = "<group>"; };
@@ -150,6 +152,7 @@
 				E97AF45F23FC85D600635494 /* PlaylistApi.swift */,
 				E97AF45A23FC748D00635494 /* UserApi.swift */,
 				E9E30C2523FEA4EF00574EEF /* TagApi.swift */,
+				E906F7F32414019C004E1E31 /* NetworkPersister.swift */,
 			);
 			path = Network;
 			sourceTree = "<group>";
@@ -418,6 +421,7 @@
 				E9E30C3123FEAF2B00574EEF /* TagObjList.swift in Sources */,
 				E98254CA23FA26600056D9D3 /* PlaylistRow.swift in Sources */,
 				E9EA690B23F9A5430012C3E8 /* AppDelegate.swift in Sources */,
+				E906F7F42414019C004E1E31 /* NetworkPersister.swift in Sources */,
 				E9E30C3323FF255C00574EEF /* SettingsList.swift in Sources */,
 				E9EA690D23F9A5430012C3E8 /* SceneDelegate.swift in Sources */,
 				E98254DB23FB64740056D9D3 /* Network.swift in Sources */,

Music Tools/Model/LiveUser.swift

@@ -16,6 +16,9 @@ class LiveUser: ObservableObject {
     @Published var tags: [Tag]
     @Published var username: String
     
+    @Published var isRefreshingPlaylists = false
+    @Published var isRefreshingTags = false
+    
     init(playlists: [Playlist], tags: [Tag], username: String) {
         self.playlists = playlists
         self.tags = tags
@@ -30,6 +33,8 @@ class LiveUser: ObservableObject {
     }
     
     func refreshPlaylists() {
+        self.isRefreshingPlaylists = true
+        
         let api = PlaylistApi.getPlaylists
         RequestBuilder.buildRequest(apiRequest: api).responseJSON{ response in
         
@@ -46,6 +51,8 @@ class LiveUser: ObservableObject {
             // update state
             self.playlists = PlaylistApi.fromJSON(playlist: playlists).sorted(by: { $0.name.lowercased() < $1.name.lowercased() })
             
+            self.isRefreshingPlaylists = false
+            
             let encoder = JSONEncoder()
             let defaults = UserDefaults.standard
             do {
@@ -57,6 +64,8 @@ class LiveUser: ObservableObject {
     }
     
     func refreshTags() {
+        self.isRefreshingTags = true
+        
         let api = TagApi.getTags
         RequestBuilder.buildRequest(apiRequest: api).responseJSON{ response in
         
@@ -73,6 +82,8 @@ class LiveUser: ObservableObject {
             // update state
             self.tags = TagApi.fromJSON(tag: tags).sorted(by: { $0.name.lowercased() < $1.name.lowercased() })
             
+            self.isRefreshingTags = false
+            
             let encoder = JSONEncoder()
             let defaults = UserDefaults.standard
             do {

Music Tools/Model/Playlist.swift

@@ -37,8 +37,23 @@ class Playlist: Identifiable, Equatable, Codable {
     var lastfm_stat_artist_count: Int
     
     var lastfm_stat_percent: Float
+    var lastfm_stat_percent_str: String {
+        get {
+            return String(format: "%.2f%%", lastfm_stat_percent)
+        }
+    }
     var lastfm_stat_album_percent: Float
+    var lastfm_stat_album_percent_str: String {
+        get {
+            return String(format: "%.2f%%", lastfm_stat_album_percent)
+        }
+    }
     var lastfm_stat_artist_percent: Float
+    var lastfm_stat_artist_percent_str: String {
+        get {
+            return String(format: "%.2f%%", lastfm_stat_artist_percent)
+        }
+    }
     
     var lastfm_stat_last_refresh: String
     

Music Tools/Network/NetworkPersister.swift

@@ -0,0 +1,34 @@
+//
+//  NetWorkPersister.swift
+//  Music Tools
+//
+//  Created by Andy Pack on 07/03/2020.
+//  Copyright © 2020 Sarsoo. All rights reserved.
+//
+
+import Foundation
+
+@propertyWrapper
+struct NetworkPersister<Value: Codable>: Codable {
+    
+    enum ObjectType: String, Codable {
+        case playlist
+        case tag
+        case user
+    }
+    
+    var objType: ObjectType
+    var key: String
+//
+//    init(_ objType: ObjectType, key: String) {
+//        self.objType = objType
+//        self.key = key
+//    }
+    
+    var wrappedValue: Value {
+        didSet {
+            print("set")
+        }
+    }
+    
+}

Music Tools/Views/Playlist/PlaylistInputList.swift

@@ -8,29 +8,39 @@
 
 import SwiftUI
 
-struct Name: Identifiable {
+struct Name: Identifiable, Hashable {
     var id = UUID()
     var name: String
 }
 
 struct PlaylistInputList: View {
     
-    var names: Array<Name> = []
+    var names: Array<String> = []
     var nameType: String
     
     init(names: Array<String>, nameType: String){
         self.nameType = nameType
-        self.names = names.map { (name) -> Name in
+        self.names = names.sorted(by: { $0.lowercased() < $1.lowercased() })
-            return Name(name: name)
-        }.sorted(by: { $0.name.lowercased() < $1.name.lowercased() })
-        
     }
     
     var body: some View {
-        return List(names) { name in
+        List{
-            Text(name.name)
+            Section(header: Image(systemName: "music.note")){ // Weird? added empty header as list renders with space for header then jumps up, not nice
+                if self.names.count > 0 {
+                    ForEach(self.names, id: \.self){ name in
+                        Text(name)
                     }
-        .navigationBarTitle(Text(nameType))
+                }else {
+                    HStack {
+                        Text("No Playlists")
+                            .multilineTextAlignment(.center)
+                        Spacer()
+                    }
+                }
+            }
+        }
+//        .id(UUID())
+        .navigationBarTitle(nameType)
         .navigationBarItems(trailing:
             Button(
                 action: {  },

Music Tools/Views/Playlist/PlaylistView.swift

@@ -27,6 +27,38 @@ struct PlaylistView: View {
     
     var body: some View {
         List {
+            Section(header: Text("Stats")){
+                HStack {
+                    Text("Track Count")
+                    Spacer()
+                    Text("\(self.playlist.lastfm_stat_count)")
+                        .font(.title)
+                        .foregroundColor(Color.gray)
+                    Text("\(self.playlist.lastfm_stat_percent_str)")
+                        .font(.body)
+                        .foregroundColor(Color.gray)
+                }
+                HStack {
+                    Text("Album Count")
+                    Spacer()
+                    Text("\(self.playlist.lastfm_stat_album_count)")
+                        .font(.title)
+                        .foregroundColor(Color.gray)
+                    Text("\(self.playlist.lastfm_stat_album_percent_str)")
+                        .font(.body)
+                        .foregroundColor(Color.gray)
+                }
+                HStack {
+                    Text("Artist Count")
+                    Spacer()
+                    Text("\(self.playlist.lastfm_stat_artist_count)")
+                        .font(.title)
+                        .foregroundColor(Color.gray)
+                    Text("\(self.playlist.lastfm_stat_artist_percent_str)")
+                        .font(.body)
+                        .foregroundColor(Color.gray)
+                }
+            }
             Section(header: Text("Options")){
                 Toggle(isOn: self.$playlist.include_recommendations) {
                     Text("Spotify Recommendations")
@@ -110,7 +142,11 @@ struct PlaylistView: View {
                     }
                 }
             }
-            Section(header: Text("Actions")){
+            Section(header: Text("Actions"),
+                    footer: VStack(alignment: .leading) {
+                        Text("Last Updated \(self.playlist.last_updated)")
+                        Text("Stats Updated \(self.playlist.lastfm_stat_last_refresh)")
+            }){
                 Button(action: { self.runPlaylist() }) {
                     Text("Update")
                 }
@@ -119,11 +155,11 @@ struct PlaylistView: View {
                     Text("Open")
                 }
             }
-        }
+            }.listStyle(GroupedListStyle())
         .pullToRefresh(isShowing: $isRefreshing) {
             self.refreshPlaylist()
         }
-        .navigationBarTitle(Text(playlist.name))
+        .navigationBarTitle(playlist.name)
         .onAppear {
             
             // TODO are these binding properly?

Music Tools/Views/RootView.swift

@@ -19,15 +19,13 @@ struct RootView: View {
     
     @State private var showAdd = false // State for showing add modal view
     
-    @State private var isRefreshingPlaylists = false
-    @State private var isRefreshingTags = false
- 
     var body: some View {
         TabView   {
             
             // PLAYLISTS
             NavigationView {
                 List{
+                    if(liveUser.playlists.count > 0){
                         ForEach(liveUser.playlists.indices, id:\.self) { idx in
                             PlaylistRow(playlist: self.$liveUser.playlists[idx])
                         }
@@ -42,10 +40,16 @@ struct RootView: View {
                             
                             self.liveUser.playlists.remove(atOffsets: indexSet)
                         }
+                    }else {
+                        HStack {
+                            Text("No Playlists")
+                                .multilineTextAlignment(.center)
+                            Spacer()
                         }
-                .pullToRefresh(isShowing: $isRefreshingPlaylists) {
+                    }
+                }
+                .pullToRefresh(isShowing: self.$liveUser.isRefreshingPlaylists) {
                     self.liveUser.refreshPlaylists()
-                    self.isRefreshingPlaylists = false
                 }
                 .navigationBarTitle(Text("Playlists").font(.title))
                     
@@ -70,6 +74,7 @@ struct RootView: View {
             // TAGS
             NavigationView {
                 List{
+                    if(liveUser.tags.count > 0) {
                         ForEach(liveUser.tags.indices, id:\.self) { idx in
                             TagRow(tag: self.$liveUser.tags[idx])
                         }
@@ -84,10 +89,16 @@ struct RootView: View {
                             
                             self.liveUser.tags.remove(atOffsets: indexSet)
                         }
+                    } else {
+                        HStack {
+                            Text("No Tags")
+                                .multilineTextAlignment(.center)
+                            Spacer()
                         }
-                .pullToRefresh(isShowing: $isRefreshingTags) {
+                    }
+                }
+                .pullToRefresh(isShowing: self.$liveUser.isRefreshingTags) {
                     self.liveUser.refreshTags()
-                    self.isRefreshingTags = false
                 }
                 .navigationBarTitle(Text("Tags").font(.title))
                     

Music Tools/Views/Tag/TagObjList.swift

@@ -37,14 +37,15 @@ struct TagObjList: View {
     }
     
     var body: some View {
-        return List(objs) { obj in
+        List {
+            Section(header: Image(systemName: "music.note")) {
+                if self.objs.count > 0 {
+                    ForEach(objs) { obj in
                         HStack {
                             VStack(alignment: .leading){
                                 Text(obj.name)
-//                        .multilineTextAlignment(.leading)
                                 if obj.artist.count > 0 {
                                     Text(obj.artist)
-//                            .multilineTextAlignment(.leading)
                                         .foregroundColor(Color.gray)
                                 }
                             }
@@ -53,6 +54,15 @@ struct TagObjList: View {
                                 .foregroundColor(Color.gray)
                         }
                     }
+                }else {
+                    HStack {
+                        Text("No Entries")
+                            .multilineTextAlignment(.center)
+                        Spacer()
+                    }
+                }
+            }
+        }
         .navigationBarTitle(Text(objType))
         .navigationBarItems(trailing:
             Button(

Music Tools/Views/Tag/TagView.swift

@@ -77,7 +77,7 @@ struct TagView: View {
                     Text("Update")
                 }
             }
-        }
+        }.listStyle(GroupedListStyle())
         .pullToRefresh(isShowing: $isRefreshing) {
             self.refreshTag()
         }