feat(): 商户增加 api secret

src/modules/payment/entity/merchant.ts

@@ -21,6 +21,9 @@ export class MerchantEntity extends BaseEntity {
   @Column({ comment: '邮箱' })
   email: string;
 
+  @Column({ comment: 'API Secret', default: '' })
+  apiSecret: string;
+
   @Column({ comment: '状态 0-禁用 1-启用', default: 1 })
   status: number;
 

src/modules/payment/service/merchant.ts

@@ -7,6 +7,7 @@ import { BaseSysUserEntity } from '../../base/entity/sys/user';
 import * as _ from 'lodash';
 import { BaseSysUserService } from '../../base/service/sys/user';
 import * as md5 from 'md5';
+import * as crypto from 'crypto';
 
 @Provide()
 export class MerchantService extends BaseService {
@@ -27,7 +28,7 @@ export class MerchantService extends BaseService {
       throw new CoolCommException('该商户号不能使用~');
     }
 
-    const userId = await this.baseSysUserService.add({
+    const params = {
       name: param.name,
       nickName: param.name,
       username: param.mchId,
@@ -35,11 +36,19 @@ export class MerchantService extends BaseService {
       roleIdList: [2],
       status: param.status,
       departmentId: 2,
+    }
+    const apiSecretParams  = this.generateSignature(
+      JSON.stringify(params)
+    )
+
+    const userId = await this.baseSysUserService.add({
+      ...params,
     });
 
     await this.merchantEntity.save({
       ...param,
       userId,
+      apiSecret: apiSecretParams,
     });
 
     return param.id;
@@ -82,4 +91,25 @@ export class MerchantService extends BaseService {
       select: ['mchId', 'name'],
     });
   }
+  generateRandomString(length: number): string {
+    const characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
+    let result = '';
+    const charactersLength = characters.length;
+    for (let i = 0; i < length; i++) {
+      result += characters.charAt(Math.floor(Math.random() * charactersLength));
+    }
+    return result;
+  }
+  /**
+   * 生成签名
+   * @see https://docs-merchant.sunpay.pro/guide
+   */
+  generateSignature(body = '', secret= '49bb3a138404f56ccf6a04554288ddbac0fc5267e5775c5340a83eb4391b67cc') {
+    const payload = `${new Date().getTime()}${this.generateRandomString(32)}${body}`;
+    return crypto
+      .createHmac('sha256', secret)
+      .update(payload)
+      .digest('hex')
+      .toUpperCase();
+  }
 }