feat: admin billing API — DeepSeek + SiliconFlow balances

src/modules/admin-billing/admin-billing.controller.ts

@@ -0,0 +1,18 @@
+import { Controller, Get, UseGuards } from '@nestjs/common';
+import { ApiTags, ApiBearerAuth, ApiOperation } from '@nestjs/swagger';
+import { AdminBillingService } from './admin-billing.service';
+import { AdminAuthGuard } from '../../common/guards/admin-auth.guard';
+import { AdminRoles } from '../../common/decorators/admin-roles.decorator';
+import type { AdminRole } from '../../common/types/admin-role.enum';
+
+@ApiTags('admin-billing')
+@Controller('admin-api/billing')
+@UseGuards(AdminAuthGuard)
+@ApiBearerAuth()
+export class AdminBillingController {
+  constructor(private readonly svc: AdminBillingService) {}
+  @Get()
+  @AdminRoles('SUPER_ADMIN' as AdminRole)
+  @ApiOperation({ summary: 'API 用量与费用' })
+  async get() { return this.svc.getAllBilling(); }
+}

src/modules/admin-billing/admin-billing.module.ts

@@ -0,0 +1,6 @@
+import { Module } from '@nestjs/common';
+import { AdminBillingController } from './admin-billing.controller';
+import { AdminBillingService } from './admin-billing.service';
+import { AdminAuthGuard } from '../../common/guards/admin-auth.guard';
+@Module({ controllers: [AdminBillingController], providers: [AdminBillingService, AdminAuthGuard] })
+export class AdminBillingModule {}

src/modules/admin-billing/admin-billing.service.ts

@@ -0,0 +1,34 @@
+import { Injectable, Logger } from '@nestjs/common';
+
+export interface BillingInfo {
+  name: string; model: string; balance: string; currency: string; status: 'ok' | 'unknown'; consoleUrl: string; note: string;
+}
+
+@Injectable()
+export class AdminBillingService {
+  private readonly logger = new Logger(AdminBillingService.name);
+
+  async getAllBilling(): Promise<{ providers: BillingInfo[] }> {
+    const [deepseek, siliconflow] = await Promise.all([this.getDeepSeek(), this.getSiliconFlow()]);
+    return { providers: [deepseek, siliconflow, this.getMiniMax(), this.getBaiduOcr()] };
+  }
+
+  private async getDeepSeek(): Promise<BillingInfo> {
+    try {
+      const r = await fetch('https://api.deepseek.com/user/balance', { headers: { Authorization: 'Bearer sk-ddddea4986d843be978ced9e82988fa0' } });
+      const d = await r.json(); const b = d?.balance_infos?.[0]?.total_balance;
+      return { name: 'DeepSeek', model: 'v4-flash / deepseek-chat', balance: b ? `¥${b}` : '—', currency: 'CNY', status: 'ok', consoleUrl: 'https://platform.deepseek.com', note: '充值余额' };
+    } catch { return { name: 'DeepSeek', model: 'v4-flash', balance: '—', currency: 'CNY', status: 'unknown', consoleUrl: 'https://platform.deepseek.com', note: '查询失败' }; }
+  }
+
+  private async getSiliconFlow(): Promise<BillingInfo> {
+    try {
+      const r = await fetch('https://api.siliconflow.cn/v1/user/info', { headers: { Authorization: 'Bearer sk-jdtqzgrlneklatdmymscrnvljvzlkkxcrzylznufpgggswjz' } });
+      const d = await r.json(); const b = d?.data?.totalBalance;
+      return { name: '硅基流动', model: 'BGE-M3 / BGE-Reranker', balance: b ? `¥${b}` : '—', currency: 'CNY', status: 'ok', consoleUrl: 'https://cloud.siliconflow.cn', note: '充值 + 赠送' };
+    } catch { return { name: '硅基流动', model: 'Embedding/Rerank', balance: '—', currency: 'CNY', status: 'unknown', consoleUrl: 'https://cloud.siliconflow.cn', note: '查询失败' }; }
+  }
+
+  private getMiniMax(): BillingInfo { return { name: 'MiniMax', model: 'MiniMax 2.7', balance: '点数制', currency: 'points', status: 'unknown', consoleUrl: 'https://platform.minimaxi.com', note: '需登录控制台查看' }; }
+  private getBaiduOcr(): BillingInfo { return { name: '百度 OCR', model: '通用文字识别', balance: '次数制', currency: 'calls', status: 'unknown', consoleUrl: 'https://console.bce.baidu.com', note: '需登录控制台查看' }; }
+}