refactor: authentication module to nestjs

packages/server-nest/src/modules/Auth/commands/AuthSignupConfirm.service.ts

@@ -0,0 +1,62 @@
+import { ServiceError } from '@/modules/Items/ServiceError';
+import { SystemUser } from '@/modules/System/models/SystemUser';
+import { Inject, Injectable } from '@nestjs/common';
+import { ERRORS } from '../Auth.constants';
+import { EventEmitter2 } from '@nestjs/event-emitter';
+import {
+  IAuthSignUpVerifiedEventPayload,
+  IAuthSignUpVerifingEventPayload,
+} from '../Auth.interfaces';
+import { events } from '@/common/events/events';
+
+@Injectable()
+export class AuthSignupConfirmService {
+  constructor(
+    private readonly eventPublisher: EventEmitter2,
+
+    @Inject(SystemUser.name)
+    private readonly systemUserModel: typeof SystemUser,
+  ) {}
+
+  /**
+   * Verifies the provided user's email after signing-up.
+   * @throws {ServiceErrors}
+   * @param {IRegisterDTO} signupDTO
+   * @returns {Promise<ISystemUser>}
+   */
+  public async signupConfirm(
+    email: string,
+    verifyToken: string,
+  ): Promise<SystemUser> {
+    const foundUser = await this.systemUserModel
+      .query()
+      .findOne({ email, verifyToken });
+
+    if (!foundUser) {
+      throw new ServiceError(ERRORS.SIGNUP_CONFIRM_TOKEN_INVALID);
+    }
+    const userId = foundUser.id;
+
+    // Triggers `signUpConfirming` event.
+    await this.eventPublisher.emitAsync(events.auth.signUpConfirming, {
+      email,
+      verifyToken,
+      userId,
+    } as IAuthSignUpVerifingEventPayload);
+
+    const updatedUser = await this.systemUserModel
+      .query()
+      .patchAndFetchById(foundUser.id, {
+        verified: true,
+        verifyToken: '',
+      });
+    // Triggers `signUpConfirmed` event.
+    await this.eventPublisher.emitAsync(events.auth.signUpConfirmed, {
+      email,
+      verifyToken,
+      userId,
+    } as IAuthSignUpVerifiedEventPayload);
+
+    return updatedUser as SystemUser;
+  }
+}