fix: user deduct point

utils/adManager.js

@@ -0,0 +1,107 @@
+import { watchAdStart, watchAdReward } from "@/api/system.js";
+import { useUserStore } from "@/stores/user";
+
+class AdManager {
+  constructor() {
+    this.videoAd = null;
+    this.rewardToken = "";
+    this.isLoaded = false;
+    this.adUnitId = "adunit-d7a28e0357d98947"; // Default ID from RewardAd.vue
+    this._init();
+  }
+
+  _init() {
+    if (uni.createRewardedVideoAd) {
+      this.videoAd = uni.createRewardedVideoAd({
+        adUnitId: this.adUnitId,
+      });
+
+      this.videoAd.onLoad(() => {
+        console.log("Ad Manager: Ad Loaded");
+        this.isLoaded = true;
+      });
+
+      this.videoAd.onError((err) => {
+        console.error("Ad Manager: Ad Load Error", err);
+        this.isLoaded = false;
+      });
+    }
+  }
+
+  /**
+   * Show the rewarded video ad.
+   * Handles the full flow: start session -> show ad -> verify completion -> claim reward -> refresh assets.
+   * @returns {Promise<boolean>} Resolves with true if reward was claimed, false otherwise.
+   */
+  async showVideoAd() {
+    if (!this.videoAd) {
+      uni.showToast({ title: "当前环境不支持广告", icon: "none" });
+      return false;
+    }
+
+    try {
+      // Step 1: Start Ad Session
+      const startRes = await watchAdStart();
+      if (!startRes || !startRes.rewardToken) {
+        uni.showToast({ title: "广告启动失败，请稍后再试", icon: "none" });
+        return false;
+      }
+      this.rewardToken = startRes.rewardToken;
+
+      // Step 2: Show Ad
+      try {
+        await this.videoAd.show();
+      } catch (e) {
+        // Retry load and show
+        await this.videoAd.load();
+        await this.videoAd.show();
+      }
+
+      // Step 3: Wait for Close
+      return new Promise((resolve) => {
+        const onCloseHandler = async (res) => {
+          this.videoAd.offClose(onCloseHandler); // Clean up listener
+
+          if (res && res.isEnded) {
+            // Step 4: Claim Reward
+            await this._claimReward(this.rewardToken);
+            resolve(true);
+          } else {
+            uni.showToast({ title: "观看完整广告才能获取奖励哦", icon: "none" });
+            resolve(false);
+          }
+        };
+
+        this.videoAd.onClose(onCloseHandler);
+      });
+
+    } catch (e) {
+      console.error("Ad Manager: Show failed", e);
+      uni.showToast({ title: "广告加载失败，请稍后再试", icon: "none" });
+      return false;
+    }
+  }
+
+  async _claimReward(token) {
+    try {
+      uni.showLoading({ title: "发放奖励中..." });
+      const res = await watchAdReward(token);
+      if (res) {
+        uni.showToast({
+          title: "获得50积分",
+          icon: "success",
+        });
+        // Refresh user assets
+        const userStore = useUserStore();
+        await userStore.fetchUserAssets();
+      }
+    } catch (e) {
+      console.error("Ad Manager: Reward claim failed", e);
+      uni.showToast({ title: "奖励发放失败", icon: "none" });
+    } finally {
+      uni.hideLoading();
+    }
+  }
+}
+
+export default new AdManager();