Update Playgrounds and move ParseObjectMutable into ParseObject

Author: cbaker6

ParseSwift.playground/Pages/1 - Your first Object.xcplaygroundpage/Contents.swift

@@ -30,13 +30,14 @@ do {
 }
 
 //: Create your own value typed `ParseObject`.
-struct GameScore: ParseObject, ParseObjectMutable {
+struct GameScore: ParseObject {
     //: These are required by ParseObject
     var objectId: String?
     var createdAt: Date?
     var updatedAt: Date?
     var ACL: ParseACL?
     var score: Double?
+    var originalData: Data?
 
     //: Your own properties.
     var points: Int?
@@ -72,6 +73,7 @@ struct GameData: ParseObject {
     var updatedAt: Date?
     var ACL: ParseACL?
     var score: Double?
+    var originalData: Data?
 
     //: Your own properties.
     var polygon: ParsePolygon?
@@ -86,7 +88,7 @@ struct GameData: ParseObject {
                              original: object) {
             updated.polygon = object.polygon
         }
-        if shouldRestoreKey(\.points,
+        if shouldRestoreKey(\.bytes,
                              original: object) {
             updated.bytes = object.bytes
         }
@@ -129,15 +131,10 @@ score.save { result in
         changedScore.points = 200
         changedScore.save { result in
             switch result {
-            case .success(var savedChangedScore):
+            case .success(let savedChangedScore):
                 assert(savedChangedScore.points == 200)
                 assert(savedScore.objectId == savedChangedScore.objectId)
 
-                /*: Note that savedChangedScore is mutable since it's
-                    a var after success.
-                */
-                savedChangedScore.points = 500
-
             case .failure(let error):
                 assertionFailure("Error saving: \(error)")
             }
@@ -158,7 +155,10 @@ var score2ForFetchedLater: GameScore?
         otherResults.forEach { otherResult in
             switch otherResult {
             case .success(let savedScore):
-                print("Saved \"\(savedScore.className)\" with points \(savedScore.points) successfully")
+                print("""
+                    Saved \"\(savedScore.className)\" with
+                    points \(String(describing: savedScore.points)) successfully
+                """)
                 if index == 1 {
                     score2ForFetchedLater = savedScore
                 }
@@ -218,7 +218,7 @@ assert(savedScore?.points == 10)
     parse server as opposed to the whole object.
 */
 guard var changedScore = savedScore?.mutable else {
-    fatalError()
+    fatalError("Should have produced mutable changedScore")
 }
 changedScore.points = 200
 
@@ -246,7 +246,7 @@ assert(otherResults != nil)
 otherResults!.forEach { result in
     switch result {
     case .success(let savedScore):
-        print("Saved \"\(savedScore.className)\" with points \(savedScore.points) successfully")
+        print("Saved \"\(savedScore.className)\" with points \(String(describing: savedScore.points)) successfully")
     case .failure(let error):
         assertionFailure("Error saving: \(error)")
     }

ParseSwift.playground/Pages/10 - Cloud Code.xcplaygroundpage/Contents.swift

@@ -107,6 +107,7 @@ struct GameScore: ParseObject {
     var updatedAt: Date?
     var ACL: ParseACL?
     var score: Double?
+    var originalData: Data?
 
     //: Your own properties.
     var points: Int?

ParseSwift.playground/Pages/11 - LiveQuery.xcplaygroundpage/Contents.swift

@@ -17,6 +17,7 @@ struct GameScore: ParseObject {
     var updatedAt: Date?
     var ACL: ParseACL?
     var score: Double?
+    var originalData: Data?
 
     //: Your own properties.
     var points: Int?

ParseSwift.playground/Pages/12 - Roles and Relations.xcplaygroundpage/Contents.swift

@@ -20,6 +20,7 @@ struct User: ParseUser {
     var updatedAt: Date?
     var ACL: ParseACL?
     var score: Double?
+    var originalData: Data?
 
     //: These are required by `ParseUser`.
     var username: String?
@@ -50,33 +51,31 @@ struct Role<RoleUser: ParseUser>: ParseRole {
     var updatedAt: Date?
     var ACL: ParseACL?
     var score: Double?
+    var originalData: Data?
 
     //: Provided by Role.
-    var name: String
+    var name: String?
 
     //: Implement your own version of merge
     func merge(_ object: Self) throws -> Self {
         var updated = try mergeParse(object)
-        if updated.shouldRestoreKey(\.points,
+        if updated.shouldRestoreKey(\.name,
                                      original: object) {
-            updated.points = object.points
+            updated.name = object.name
         }
         return updated
     }
-
-    init() {
-        self.name = ""
-    }
 }
 
 //: Create your own value typed `ParseObject`.
-struct GameScore: ParseObject, ParseObjectMutable {
+struct GameScore: ParseObject {
     //: These are required by ParseObject
     var objectId: String?
     var createdAt: Date?
     var updatedAt: Date?
     var ACL: ParseACL?
     var score: Double?
+    var originalData: Data?
 
     //: Your own properties.
     var points: Int?
@@ -253,7 +252,10 @@ do {
 savedRole!.queryRoles?.find { result in
     switch result {
     case .success(let relatedRoles):
-        print("The following roles are part of the \"\(savedRole!.name) role: \(relatedRoles)")
+        print("""
+            The following roles are part of the
+            \"\(String(describing: savedRole!.name)) role: \(relatedRoles)
+        """)
 
     case .failure(let error):
         print("Error saving role: \(error)")

ParseSwift.playground/Pages/13 - Operations.xcplaygroundpage/Contents.swift

@@ -20,6 +20,7 @@ struct GameScore: ParseObject {
     var updatedAt: Date?
     var ACL: ParseACL?
     var score: Double?
+    var originalData: Data?
 
     //: Your own properties.
     var points: Int?

ParseSwift.playground/Pages/15 - Custom ObjectId.xcplaygroundpage/Contents.swift

@@ -21,13 +21,14 @@ npm start -- --appId applicationId --clientKey clientKey --masterKey masterKey -
 initializeParseCustomObjectId()
 
 //: Create your own value typed `ParseObject`.
-struct GameScore: ParseObject, ParseObjectMutable {
+struct GameScore: ParseObject {
     //: These are required by ParseObject
     var objectId: String?
     var createdAt: Date?
     var updatedAt: Date?
     var ACL: ParseACL?
     var score: Double?
+    var originalData: Data?
 
     //: Your own properties.
     var points: Int?

ParseSwift.playground/Pages/17 - SwiftUI - Finding Objects.xcplaygroundpage/Contents.swift

@@ -26,6 +26,7 @@ struct GameScore: ParseObject {
     var updatedAt: Date?
     var ACL: ParseACL?
     var score: Double?
+    var originalData: Data?
 
     //: Your own properties.
     var points: Int?
@@ -118,7 +119,7 @@ struct ContentView: View {
                 //: Warning - List seems to only work in Playgrounds Xcode 13+.
                 List(viewModel.results, id: \.id) { result in
                     VStack(alignment: .leading) {
-                        Text("Points: \(result.points)")
+                        Text("Points: \(String(describing: result.points))")
                             .font(.headline)
                         if let createdAt = result.createdAt {
                             Text("\(createdAt.description)")

ParseSwift.playground/Pages/18 - SwiftUI - Finding Objects With Custom ViewModel.xcplaygroundpage/Contents.swift

@@ -27,6 +27,7 @@ struct GameScore: ParseObject {
     var updatedAt: Date?
     var ACL: ParseACL?
     var score: Double?
+    var originalData: Data?
 
     //: Your own properties.
     var points: Int?
@@ -112,7 +113,7 @@ struct ContentView: View {
                 //: Warning - List seems to only work in Playgrounds Xcode 13+.
                 List(viewModel.objects, id: \.id) { object in
                     VStack(alignment: .leading) {
-                        Text("Points: \(object.points)")
+                        Text("Points: \(String(describing: object.points))")
                             .font(.headline)
                         if let createdAt = object.createdAt {
                             Text("\(createdAt.description)")

ParseSwift.playground/Pages/19 - SwiftUI - LiveQuery.xcplaygroundpage/Contents.swift

@@ -25,9 +25,10 @@ struct GameScore: ParseObject {
     var updatedAt: Date?
     var ACL: ParseACL?
     var score: Double?
+    var originalData: Data?
 
     //: Your own properties.
-    var points: Int = 0
+    var points: Int? = 0
     var location: ParseGeoPoint?
     var name: String?
 
@@ -84,15 +85,15 @@ struct ContentView: View {
                 switch event.event {
 
                 case .entered(let object):
-                    Text("Entered with points: \(object.points)")
+                    Text("Entered with points: \(String(describing: object.points))")
                 case .left(let object):
-                    Text("Left with points: \(object.points)")
+                    Text("Left with points: \(String(describing: object.points))")
                 case .created(let object):
-                    Text("Created with points: \(object.points)")
+                    Text("Created with points: \(String(describing: object.points))")
                 case .updated(let object):
-                    Text("Updated with points: \(object.points)")
+                    Text("Updated with points: \(String(describing: object.points))")
                 case .deleted(let object):
-                    Text("Deleted with points: \(object.points)")
+                    Text("Deleted with points: \(String(describing: object.points))")
                 }
             } else {
                 Text("Not subscribed to a query")

ParseSwift.playground/Pages/2 - Finding Objects.xcplaygroundpage/Contents.swift

@@ -19,6 +19,7 @@ struct GameScore: ParseObject {
     var updatedAt: Date?
     var ACL: ParseACL?
     var score: Double?
+    var originalData: Data?
 
     //: Your own properties.
     var points: Int?