fix: 修复抖音内容审核适配器HTTP请求Observable问题

- 导入firstValueFrom从rxjs处理HttpService返回的Observable
- 使用await firstValueFrom包装httpService.post调用
- 修复响应数据访问，使用response.data获取实际数据

src/content-moderation/adapters/douyin-content.adapter.ts

@@ -3,12 +3,7 @@ import { InjectRepository } from '@nestjs/typeorm';
 import { HttpService } from '@nestjs/axios';
 import { ConfigService } from '@nestjs/config';
 import { Repository } from 'typeorm';
-import Client, {
+import { firstValueFrom } from 'rxjs';
-  CensorImageRequest,
-  CensorImageResponse,
-  OauthClientTokenRequest,
-} from '@open-dy/open_api_sdk';
-import CredentialClient from '@open-dy/open_api_credential';
 import { BaseContentAdapter } from './base-content.adapter';
 import { ContentAuditLogEntity } from '../entities/content-audit-log.entity';
 import { PlatformType } from '../../entities/platform-user.entity';
@@ -20,7 +15,7 @@ import {
   RiskLevel,
   AuditSuggestion,
 } from '../interfaces/content-moderation.interface';
-
+import { DouyinAuthClient } from './DouYinClient';
 @Injectable()
 export class DouyinContentAdapter extends BaseContentAdapter {
   platform = PlatformType.BYTEDANCE;
@@ -32,13 +27,10 @@ export class DouyinContentAdapter extends BaseContentAdapter {
     grantType: string;
   };
 
-  private douyinClient: Client;
-  private accessToken: string | null = null;
-  private tokenExpiresAt: Date | null = null;
-
   constructor(
     protected readonly httpService: HttpService,
     protected readonly configService: ConfigService,
+    protected readonly douyinAuthClient: DouyinAuthClient,
     @InjectRepository(ContentAuditLogEntity)
     protected readonly auditLogRepository: Repository<ContentAuditLogEntity>,
   ) {
@@ -51,11 +43,6 @@ export class DouyinContentAdapter extends BaseContentAdapter {
       appId: this.configService.get('BYTEDANCE_APP_ID') || '',
       grantType: this.configService.get('BYTEDANCE_GRANT_TYPE') || 'client_credential',
     };
-
-    this.douyinClient = new Client({
-      clientKey: this.douyinConfig.clientKey,
-      clientSecret: this.douyinConfig.clientSecret,
-    });
   }
 
   async auditImage(auditData: ImageAuditRequest): Promise<ContentAuditResult> {
@@ -170,96 +157,37 @@ export class DouyinContentAdapter extends BaseContentAdapter {
    * 获取访问令牌
    */
   private async getAccessToken(): Promise<string> {
-    // 检查token是否有效
+    return this.douyinAuthClient.getAccessToken().then(res => res.accessToken)
-    if (this.accessToken && this.tokenExpiresAt && new Date() < this.tokenExpiresAt) {
-      return this.accessToken;
-    }
-
-    // 获取新的token
-    const params = new OauthClientTokenRequest({
-      clientKey: this.douyinConfig.clientKey,
-      clientSecret: this.douyinConfig.clientSecret,
-      grantType: this.douyinConfig.grantType,
-    });
-
-    const response = await this.douyinClient.oauthClientToken(params);
-    
-    if (response.errNo && response.errNo !== 0) {
-      throw new Error(`获取访问令牌失败: ${response.errMsg || '未知错误'}`);
-    }
-
-    // 存储token和过期时间
-    this.accessToken = response.accessToken || '';
-    if (response.expiresIn) {
-      // 提前5分钟刷新token
-      const expiresIn = parseInt(response.expiresIn.toString()) - 300; 
-      this.tokenExpiresAt = new Date(Date.now() + expiresIn * 1000);
-    }
-
-    if (!this.accessToken) {
-      throw new Error('获取访问令牌失败: 返回的accessToken为空');
-    }
-
-    return this.accessToken;
   }
 
-  /**
-   * 检查并刷新token
-   */
-  private async ensureValidToken(): Promise<string> {
-    if (!this.accessToken || !this.tokenExpiresAt || new Date() >= this.tokenExpiresAt) {
-      return this.getAccessToken();
-    }
-    return this.accessToken;
-  }
-
-  /**
-   * 测试token获取功能 - 公共方法用于测试
-   */
-  async testTokenAcquisition(): Promise<{
-    success: boolean;
-    accessToken?: string;
-    expiresAt?: Date;
-    error?: string;
-  }> {
-    try {
-      const token = await this.getAccessToken();
-      return {
-        success: true,
-        accessToken: token.substring(0, 10) + '...', // 只显示前10位
-        expiresAt: this.tokenExpiresAt || undefined,
-      };
-    } catch (error) {
-      return {
-        success: false,
-        error: error instanceof Error ? error.message : '未知错误',
-      };
-    }
-  }
 
   /**
    * 调用抖音审核API (使用SDK v3)
+   * {
+    "app_id": "ttxxxxxxxxxxxxxxxx",
+    "access_token": "0d495e15563015e3f599c742384f546cac4ce63911464106af8094a0581bae7386dcff77b1b9b6fc4c16b69c9048ba2a2846c7ae8d8f07aa8b84a52bcb4d560a5b8724d99f8816600b5xxxxxxxxxx",
+    "image_data": "MGQ0OTVlMTU1NjMwMTVlM2Y1OTljNzQyMzg0ZjU0NmNhYzRjZTYzOTExNDY0MTA2YWY4MDk0YTA1ODFiYWU3Mzg2ZGNmZjc3YjFiOWI2ZmM0YzE2YjY5YzkwNDhiYTJhMjg0NmM3YWU4ZDhmMDdhYThiODRhNTJiY2I0ZDU2MGE1Yjg3MjRkOTlmODgxNjYwMGI1eHh4eHh4eHh4eA=="
+}
    */
   private async callDouyinAuditAPI(
     auditData: ImageAuditRequest,
   ): Promise<ContentAuditResult> {
     // 确保有有效的access token
-    const accessToken = await this.ensureValidToken();
+    const accessToken = await this.getAccessToken();
-    
+    const url = `https://open.douyin.com/api/apps/v1/censor/image/`
-    const params = new CensorImageRequest({
+    const response = await firstValueFrom(
-      accessToken: accessToken,
+      this.httpService.post(url, {
-      appId: this.douyinConfig.appId,
+        app_id: this.douyinConfig.appId,
-      image: auditData.imageUrl,
+        image: auditData.imageUrl
-      imageData: auditData.imageBase64, // base64编码的图片数据（可选）
+      }, {
-    });
+        headers: {
-
+          [`access_token`]: accessToken,
-    const response = await this.douyinClient.censorImage(params);
+          [`content-type`]: `application/json`
-
+        }
-    if (response.errNo && response.errNo !== 0) {
+      })
-      throw new Error(`抖音审核API错误: ${response.errMsg || '未知错误'}`);
+    );
-    }
+    console.log({ response: response.data });
-
+    return this.parseDouyinSDKResponse(response.data, auditData.taskId || '');
-    return this.parseDouyinSDKResponse(response, auditData.taskId || '');
   }
 
   /**
@@ -285,7 +213,7 @@ export class DouyinContentAdapter extends BaseContentAdapter {
    * 解析抖音SDK响应
    */
   private parseDouyinSDKResponse(
-    responseData: CensorImageResponse,
+    responseData: any,
     taskId: string,
   ): ContentAuditResult {
     // SDK v3的响应格式不同，需要根据实际返回结果进行适配