1 files changed, 47 insertions, 13 deletions

diff --git a/src/main/java/design/model/Golfer.java b/src/main/java/design/model/Golfer.java
index 960568f..0f4c914 100644
--- a/src/main/java/design/model/Golfer.java
+++ b/src/main/java/design/model/Golfer.java
@@ -6,8 +6,11 @@ import com.fasterxml.jackson.annotation.JsonPropertyOrder;
 import java.util.ArrayList;
 import java.util.List;
 
+import design.model.undo.Memento;
+import design.model.undo.Originator;
+
 @JsonPropertyOrder({ "clubs", "nextClubId" })
-public class Golfer {
+public class Golfer implements Originator {
     private String username;
     private int passwordHash;
     private String fullName;
@@ -15,18 +18,16 @@ public class Golfer {
     private final List<Round> rounds;
     private final List<Club> clubs; // Keep track of golfer's clubs
     private int nextClubId;
-    private final List<Invite> invites;
 
     @JsonCreator
     private Golfer(String username, int passwordHash, String fullName, List<Course> courses, List<Round> rounds,
-            List<Club> clubs, List<Invite> invites) {
+            List<Club> clubs) {
         this.username = username;
         this.passwordHash = passwordHash;
         this.fullName = fullName;
         this.courses = courses;
         this.rounds = rounds;
         this.clubs = clubs;
-        this.invites = invites != null ? invites : new ArrayList<>();
         this.nextClubId = this.clubs.stream().mapToInt(Club::getId).max().orElse(0) + 1;
     }
 
@@ -37,7 +38,6 @@ public class Golfer {
         this.courses = new ArrayList<>();
         this.rounds = new ArrayList<>();
         this.clubs = new ArrayList<>();
-        this.invites = new ArrayList<>();
         this.nextClubId = 1;
     }
 
@@ -89,8 +89,8 @@ public class Golfer {
         rounds.add(round);
     }
 
-    public Club addClub(Club c) {
-        c.setId(nextClubId++);
+    public Club addClub(String manufacture, String nickname, Club.ClubType type) {
+        Club c = new Club(nextClubId++, manufacture, nickname, type);
         clubs.add(c);
         return c;
     }
@@ -116,15 +116,49 @@ public class Golfer {
         clubs.remove(c);
     }
 
-    public boolean addInvite(Invite invite) {
-        return invites.add(invite);
+    // Takes a snapshot of the golfer
+    private static class GolferMemento implements Memento {
+        private final String username;
+        private final int passwordHash;
+        private final String fullName;
+        private final List<Course> courses;
+        private final List<Round> rounds;
+        private final List<Club> clubs;
+        private final int nextClubId;
+
+        GolferMemento(Golfer g) {
+            this.username = g.username;
+            this.passwordHash = g.passwordHash;
+            this.fullName = g.fullName;
+            this.courses = new ArrayList<>(g.courses);
+            this.rounds = new ArrayList<>(g.rounds);
+            this.clubs = new ArrayList<>(g.clubs);
+            this.nextClubId = g.nextClubId;
+        }
     }
 
-    public boolean removeInvite(Invite o) {
-        return invites.remove(o);
+    @Override
+    public Memento createMemento() {
+        return new GolferMemento(this);
     }
 
-    public Invite[] getInvites() {
-        return invites.toArray(Invite[]::new);
+    @Override
+    public void restore(Memento memento) {
+        GolferMemento gm = (GolferMemento) memento;
+
+        this.username = gm.username;
+        this.passwordHash = gm.passwordHash;
+        this.fullName = gm.fullName;
+
+        this.courses.clear();
+        this.courses.addAll(gm.courses);
+
+        this.rounds.clear();
+        this.rounds.addAll(gm.rounds);
+
+        this.clubs.clear();
+        this.clubs.addAll(gm.clubs);
+
+        this.nextClubId = gm.nextClubId;
     }
 }