Implement legacy-compatible survey and unique rewards

packages/logic/src/rewards/uniqueLottery.ts

@@ -144,6 +144,24 @@ export const countOccupiedUniqueItems = (
     return counts;
 };
 
+export const addOccupiedUniqueItemKeys = (
+    counts: Map<string, number>,
+    itemKeys: Iterable<string | null | undefined>,
+    itemRegistry: Map<string, ItemModule>
+): Map<string, number> => {
+    for (const itemKey of itemKeys) {
+        if (!itemKey) {
+            continue;
+        }
+        const module = itemRegistry.get(itemKey);
+        if (!module || module.buyable) {
+            continue;
+        }
+        counts.set(itemKey, (counts.get(itemKey) ?? 0) + 1);
+    }
+    return counts;
+};
+
 const joinYearMonth = (year: number, month: number): number => year * 12 + month - 1;
 
 const serializeSeed = (...values: Array<string | number>): string =>

packages/logic/test/uniqueLottery.test.ts

@@ -5,6 +5,7 @@ import type { GeneralItemSlots } from '../src/domain/entities.js';
 import type { ItemModule } from '../src/items/types.js';
 import {
     type UniqueAcquireType,
+    addOccupiedUniqueItemKeys,
     buildVoteUniqueSeed,
     countOccupiedUniqueItems,
     resolveUniqueConfig,
@@ -131,4 +132,20 @@ describe('unique lottery', () => {
         expect(counts.get('uniqueItem')).toBe(1);
         expect(counts.get('buyableItem')).toBeUndefined();
     });
+
+    it('adds active auction and storage reservations without counting buyable items', () => {
+        const itemRegistry = new Map<string, ItemModule>([
+            ['uniqueItem', buildItem('uniqueItem', 'weapon', false)],
+            ['buyableItem', buildItem('buyableItem', 'book', true)],
+        ]);
+
+        const counts = addOccupiedUniqueItemKeys(
+            new Map([['uniqueItem', 1]]),
+            ['uniqueItem', 'uniqueItem', 'buyableItem', null],
+            itemRegistry
+        );
+
+        expect(counts.get('uniqueItem')).toBe(3);
+        expect(counts.get('buyableItem')).toBeUndefined();
+    });
 });