feat: User email verification after signing-up.

packages/server/src/services/Authentication/AuthSignupConfirm.ts

@@ -0,0 +1,57 @@
+import { Inject, Service } from 'typedi';
+import { ServiceError } from '@/exceptions';
+import { SystemUser } from '@/system/models';
+import { ERRORS } from './_constants';
+import { EventPublisher } from '@/lib/EventPublisher/EventPublisher';
+import events from '@/subscribers/events';
+import {
+  IAuthSignUpVerifiedEventPayload,
+  IAuthSignUpVerifingEventPayload,
+} from '@/interfaces';
+
+@Service()
+export class AuthSignupConfirmService {
+  @Inject()
+  private eventPublisher: EventPublisher;
+
+  /**
+   * 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 SystemUser.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 SystemUser.query().patchAndFetchById(
+      foundUser.id,
+      {
+        verified: true,
+        verifyToken: '',
+      }
+    );
+    // Triggers `signUpConfirmed` event.
+    await this.eventPublisher.emitAsync(events.auth.signUpConfirmed, {
+      email,
+      verifyToken,
+      userId,
+    } as IAuthSignUpVerifiedEventPayload);
+
+    return updatedUser;
+  }
+}