feat: 每次进入 write level 页面都拉取最新的数据

assets/prefabs/PageWriteLevels.ts

@@ -80,6 +80,7 @@ export class PageWriteLevels extends BaseView {
     private _levelCount: number = 0;
     private _itemNodes: Node[] = [];
     private _scrollViewComp: ScrollView | null = null;
+    private _levelListLoadToken: number = 0;
 
     /** 缓存 view 节点的 UITransform，避免每次 _updateContentSize 重复查找 */
     private _viewTransform: UITransform | null = null;
@@ -140,11 +141,7 @@ export class PageWriteLevels extends BaseView {
         console.log('[PageWriteLevels] onViewShow');
         this._resizeScrollViewport();
         this._updateContentSize();
-
-        // 仅首次初始化列表，从预览页返回时保留选中状态
-        if (this._itemNodes.length === 0) {
-            void this._initLevelList();
-        }
+        void this._initLevelList();
     }
 
     private _resizeScrollViewport(): void {
@@ -170,23 +167,32 @@ export class PageWriteLevels extends BaseView {
     }
 
     private async _initLevelList(): Promise<void> {
-        this._clearList();
+        const loadToken = ++this._levelListLoadToken;
+        const selectedLevelIds = this._getSelectedLevelIdSet();
 
         // 拉取当前用户所有已通关关卡
-        const levels = await CompletedLevelsManager.instance.fetch();
+        const levels = await CompletedLevelsManager.instance.fetch(true);
+        if (loadToken !== this._levelListLoadToken) {
+            return;
+        }
+
         if (levels === null) {
             console.warn('[PageWriteLevels] 获取已通关关卡失败');
             ToastManager.instance.show('获取关卡列表失败，请稍后重试');
             return;
         }
 
+        this._clearList();
         this._levels = levels;
         this._levelCount = this._levels.length;
+        this._restoreSelectedIndices(selectedLevelIds);
         console.log('[PageWriteLevels] 已通关关卡总数:', this._levelCount);
 
         if (this._levelCount === 0) {
             console.warn('[PageWriteLevels] 用户尚未通关任何关卡');
             ToastManager.instance.show('还没有已通关的关卡，快去玩几关吧');
+            this._updateContentSize();
+            this._updateSelectionUI();
             return;
         }
 
@@ -198,6 +204,29 @@ export class PageWriteLevels extends BaseView {
         }
     }
 
+    private _getSelectedLevelIdSet(): Set<string> {
+        const selectedLevelIds = new Set<string>();
+        for (const index of this._selectedIndices) {
+            const level = this._levels[index] ?? null;
+            if (level) {
+                selectedLevelIds.add(level.id);
+            }
+        }
+        return selectedLevelIds;
+    }
+
+    private _restoreSelectedIndices(selectedLevelIds: Set<string>): void {
+        if (selectedLevelIds.size === 0) {
+            return;
+        }
+
+        for (let index = 0; index < this._levels.length; index++) {
+            if (selectedLevelIds.has(this._levels[index].id)) {
+                this._selectedIndices.add(index);
+            }
+        }
+    }
+
     private _clearList(): void {
         for (const node of this._itemNodes) {
             if (node && node.isValid) {