issue # 이메일 인증 코드 발송 로직 구현

src/modules/account/account.service.ts

@@ -2,14 +2,33 @@ import { Injectable } from "@nestjs/common";
 import { AccountRepo } from "./account.repo";
 import { CheckDuplicationRequestDto } from "./dto/checkDuplication/check-duplication-request.dto";
 import { CheckDuplicationResponseDto } from "./dto/checkDuplication/check-duplication-response.dto";
+import { SendVerificationCodeRequestDto } from "./dto/checkDuplication/send-verification-code-request.dto";
+import { MailerService } from "src/util/mailer/mailer.service";
+import { Generator } from "src/util/generator";
+import { SendVerificationCodeResponseDto } from "./dto/checkDuplication/send-verification-code-response.dto";
 
 @Injectable()
 export class AccountService {
-  constructor(private readonly accountRepo: AccountRepo) {}
+  constructor(
+    private readonly accountRepo: AccountRepo
+    , private readonly mailerService: MailerService
+  ) {}
 
   async checkDuplication(data: CheckDuplicationRequestDto): Promise<CheckDuplicationResponseDto> {
     const count = await this.accountRepo.checkDuplication(data.type, data.value);
 
     return { isDuplicated: count > 0 };
   }
+
+  async sendVerificationCode(data: SendVerificationCodeRequestDto): Promise<SendVerificationCodeResponseDto> {
+    const code = Generator.getVerificationCode();
+    const html = `<p>Your verification code is: <strong style="font-size:16px;">${code}</strong></p>`;
+    const result = await this.mailerService.sendMail(data.email, "<Scheduler> 이메일 인증 코드", html);
+
+    if (result.rejected.length > 0) {
+      return { success: false, error: result.response }
+    } else {
+      return { success: true, message: "이메일 발송 완료" };
+    }
+  }
 }