move "most recent card used" tracking to separate table

amnet-native/models/AMCardRecentUse.ts

@@ -0,0 +1,37 @@
+import {Realm} from "realm";
+import {AMCard} from "./AMCard";
+
+/**
+ * Represents a usage of a card for determining which card was last used on a specific game.
+ */
+export class AMCardRecentUse extends Realm.Object<AMCardRecentUse> {
+
+    /**
+     * The game id that is being tracked
+     */
+    gameId: string;
+
+    /**
+     * The card that was last used on the game.
+     * If the card is removed, this record will also be removed.
+     */
+    card: AMCard;
+
+    static generate(gameId: string, card: AMCard) {
+        return {
+            gameId: gameId,
+            card: card
+        };
+    }
+
+    static schema: Realm.ObjectSchema = {
+        name: "cardUsageHistory",
+        primaryKey: "gameId",
+
+        properties: {
+            gameId: "string",
+            card: {type: "object", objectType: "card", optional: false}
+        }
+    }
+
+}