added run playlist and update playlist functions

Music Tools/Network/PlaylistApi.swift

@@ -12,6 +12,8 @@ import SwiftyJSON
 
 public enum PlaylistApi {
     case getPlaylists
+    case runPlaylist(name: String)
+    case updatePlaylist(name: String, updates: JSON)
 }
 
 extension PlaylistApi: ApiRequest {
@@ -23,6 +25,10 @@ extension PlaylistApi: ApiRequest {
         switch self {
         case .getPlaylists:
             return "api/playlists"
+        case .runPlaylist:
+            return "api/playlist/run"
+        case .updatePlaylist:
+            return "api/playlist"
         }
     }
     
@@ -30,15 +36,36 @@ extension PlaylistApi: ApiRequest {
         switch self {
         case .getPlaylists:
             return .get
+        case .runPlaylist:
+            return .get
+        case .updatePlaylist:
+            return .post
         }
     }
     
     var parameters: JSON? {
+        switch self {
+        case .getPlaylists:
             return nil
+        case .runPlaylist(let name):
+            return JSON(["name": name])
+        case .updatePlaylist(let name, let updates):
+            var txUpdates = updates
+            txUpdates["name"].string = name
+            debugPrint(txUpdates)
+            return txUpdates
+        }
     }
     
     var parameterType: ParameterEncoder? {
+        switch self {
+        case .getPlaylists:
             return nil
+        case .runPlaylist:
+            return URLEncodedFormParameterEncoder()
+        case .updatePlaylist:
+            return JSONParameterEncoder.default
+        }
     }
     
     var headers: HTTPHeaders? {

Music Tools/Views/PlaylistView.swift

@@ -7,53 +7,114 @@
 //
 
 import SwiftUI
+import SwiftyJSON
 
 struct PlaylistView: View {
     var playlist: Playlist
     @State private var recommendations: Bool = false
     @State private var library_Tracks: Bool = false
+    @State private var shuffle: Bool = false
+    
+    @State private var rec_num: Int = 0
     
     var body: some View {
-        
+        ScrollView {
             VStack(alignment: .leading) {
                 Text(playlist.name)
                     .font(.largeTitle)
                     .multilineTextAlignment(.leading)
+                    .padding(.leading)
                 Text(playlist.username)
                     .foregroundColor(Color.gray)
+                    .padding(.leading)
                 Image("PlaylistCoverImage")
                         .resizable()
                         .frame(width: 200.0, height: 200.0, alignment: .trailing)
                         .cornerRadius(18)
-                    .padding(.bottom, 20)
+                        .padding(.all, 20)
                 
                 Toggle(isOn: $recommendations) {
                     Text("Spotify Recommendations")
                 }
+                .padding()
                 
-            if $recommendations.wrappedValue {
+                if recommendations {
-                Stepper(value: /*@START_MENU_TOKEN@*//*@PLACEHOLDER=Value@*/.constant(4)/*@END_MENU_TOKEN@*/, in: /*@START_MENU_TOKEN@*//*@PLACEHOLDER=Range@*/1...10/*@END_MENU_TOKEN@*/){
+                    Stepper(onIncrement: {
+                        self.$rec_num.wrappedValue += 1
+                        self.updatePlaylist(updates: JSON(["recommendation_sample": self.$rec_num.wrappedValue]))
+                    },
+                            onDecrement: {
+                        self.$rec_num.wrappedValue -= 1
+                                self.updatePlaylist(updates: JSON(["recommendation_sample": self.$rec_num.wrappedValue]))
+                    }){
                         Text("#:")
                             .foregroundColor(Color.gray)
                             .multilineTextAlignment(.trailing)
                             .padding(.leading, 20)
-                    Text("100")
+                        Text("\(rec_num)")
                             .multilineTextAlignment(.trailing)
                         
-                }
+                    }.padding()
                 }
                 
                 Toggle(isOn: $library_Tracks) {
                     Text("Library Tracks")
+                }.padding()
+                
+                Toggle(isOn: $shuffle) {
+                    Text("Shuffle")
+                }.padding()
+                
+                HStack {
+                    Button(action: { self.runPlaylist() }) {
+                        Text("Update")
+                    }.padding().multilineTextAlignment(.center)
                 }
+                
+                Spacer()
+                
             }
-        .padding()
+            .padding(.vertical)
             .frame(minWidth: 0, maxWidth: .infinity, minHeight: 0, maxHeight: .infinity, alignment: .topLeading)
             .onAppear {
                 self.$recommendations.wrappedValue = self.playlist.include_recommendations
                 self.$library_Tracks.wrappedValue = self.playlist.include_library_tracks
+                self.$shuffle.wrappedValue = self.playlist.shuffle
+                
+                self.$rec_num.wrappedValue = self.playlist.recommendation_sample
             }
         }
+    }
+    
+    func runPlaylist() {
+        let api = PlaylistApi.runPlaylist(name: playlist.name)
+        RequestBuilder.buildRequest(apiRequest: api).responseJSON{ response in
+            
+            guard let data = response.data else {
+                fatalError("error getting playlists")
+            }
+            
+            guard let json = try? JSON(data: data) else {
+                fatalError("error parsing reponse")
+            }
+        }
+        //TODO: do better error checking
+    }
+    
+    func updatePlaylist(updates: JSON) {
+        let api = PlaylistApi.updatePlaylist(name: playlist.name, updates: updates)
+        RequestBuilder.buildRequest(apiRequest: api).responseJSON{ response in
+            
+            guard let data = response.data else {
+                fatalError("error getting playlists")
+            }
+            
+            guard let json = try? JSON(data: data) else {
+                fatalError("error parsing reponse")
+            }
+        }
+        //TODO: do better error checking
+    }
 }
 
 struct PlaylistView_Previews: PreviewProvider {

Music Tools/Views/RootView.swift

@@ -78,6 +78,7 @@ struct RootView: View {
                 Playlist.fromDict(dictionary: dict)
             }).sorted(by: { $0.name.lowercased() < $1.name.lowercased() })
         }
+        //TODO: do better error checking
     }
 }