first commit

src/verification/verification.service.ts

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+import { Injectable, BadRequestException } from '@nestjs/common';
+import { randomInt } from 'node:crypto';
+import { PinoLogger } from 'nestjs-pino';
+import { PrismaService } from '../prisma/prisma.service';
+import { MailService } from '../mail/mail.service';
+
+@Injectable()
+export class VerificationService {
+  constructor(
+    private readonly prisma: PrismaService,
+    private readonly mailService: MailService,
+    private readonly logger: PinoLogger,
+  ) {
+    this.logger.setContext(VerificationService.name);
+  }
+
+  generateCode(): string {
+    return randomInt(100000, 999999).toString();
+  }
+
+  async sendEmailCode(email: string): Promise<void> {
+    const code = this.generateCode();
+    await this.prisma.verificationCode.create({
+      data: {
+        target: email,
+        channel: 'EMAIL',
+        code,
+        purpose: 'AUTH',
+        expiresAt: new Date(Date.now() + 5 * 60 * 1000),
+      },
+    });
+    await this.mailService.sendCode(email, code, 'AUTH');
+    this.logger.info({ email }, 'Email verification code sent');
+  }
+
+  async sendPhoneCode(phone: string): Promise<void> {
+    const code = this.generateCode();
+    await this.prisma.verificationCode.create({
+      data: {
+        target: phone,
+        channel: 'SMS',
+        code,
+        purpose: 'AUTH',
+        expiresAt: new Date(Date.now() + 5 * 60 * 1000),
+      },
+    });
+    this.logger.info({ phone }, 'SMS verification code would be sent (mock)');
+  }
+
+  async verifyCode(target: string, code: string): Promise<boolean> {
+    const record = await this.prisma.verificationCode.findFirst({
+      where: {
+        target,
+        code,
+        usedAt: null,
+        expiresAt: { gt: new Date() },
+      },
+      orderBy: { createdAt: 'desc' },
+    });
+
+    if (!record) {
+      throw new BadRequestException('Invalid or expired code');
+    }
+
+    await this.prisma.verificationCode.update({
+      where: { id: record.id },
+      data: { usedAt: new Date() },
+    });
+
+    return true;
+  }
+}