add html to signup endpoint

src/modules/auth/dto/registration.dto.ts

@@ -1,4 +1,5 @@
-import { IsEmail, IsOptional, Length } from 'class-validator'
+import { ApiProperty } from '@nestjs/swagger'
+import { IsBoolean, IsEmail, IsOptional, IsString, Length } from 'class-validator'
 
 export class RegistrationDto {
   @Length(3, 30)
@@ -10,4 +11,24 @@ export class RegistrationDto {
 
   @IsEmail()
   email: string
+
+  @ApiProperty({
+    description: `HTML template to be sent in the email;\n ##name## will be replaced with the user's name; \n ##token## will be replaced with the password recovery token`,
+    example: `<b>Hello, ##name##!</b><br/>Please confirm your email by clicking on the link below:<br/><a href="http://localhost:3000/confirm-email/##token##">Confirm email</a>. If it doesn't work, copy and paste the following link in your browser:<br/>http://localhost:3000/confirm-email/##token##`,
+  })
+  @IsOptional()
+  @IsString()
+  html?: string
+
+  /** Email subject */
+  @IsOptional()
+  @IsString()
+  subject?: string
+  /** Whether to send a confirmation email or not.
+   * Defaults to false
+   * @example false
+   */
+  @IsOptional()
+  @IsBoolean()
+  sendConfirmationEmail?: boolean
 }

src/modules/auth/use-cases/create-user-use-case.ts

@@ -35,10 +35,19 @@ export class CreateUserHandler implements ICommandHandler<CreateUserCommand> {
     if (!createdUser) {
       return null
     }
+    if (!command.user.sendConfirmationEmail) {
+      return {
+        id: createdUser.id,
+        name: createdUser.name,
+        email: createdUser.email,
+      }
+    }
     await this.usersService.sendConfirmationEmail({
       email: createdUser.email,
       name: createdUser.name,
       verificationToken: verificationToken,
+      html: command.user.html,
+      subject: command.user.subject,
     })
 
     return {

src/modules/users/dto/create-user.dto.ts

@@ -3,8 +3,11 @@ import { Length, Matches } from 'class-validator'
 export class CreateUserDto {
   @Length(3, 10)
   name: string
+
   @Length(6, 20)
   password: string
+
+  /** User's email address */
   @Matches(/^[\w-.]+@([\w-]+\.)+[\w-]{2,4}$/)
   email: string
 }

src/modules/users/services/users.service.ts

@@ -32,18 +32,23 @@ export class UsersService {
     email,
     name,
     verificationToken,
+    html = `<b>Hello, ##name##!</b><br/>Please confirm your email by clicking on the link below:<br/><a href="http://localhost:3000/confirm-email/##token##">Confirm email</a>. If it doesn't work, copy and paste the following link in your browser:<br/>http://localhost:3000/confirm-email/##token##`,
+    subject = 'E-mail confirmation',
   }: {
     email: string
     name: string
     verificationToken: string
+    html?: string
+    subject?: string
   }) {
+    const htmlFinal = html.replace('##token##', verificationToken)?.replace('##name##', name)
+
     try {
       await this.emailService.sendMail({
         from: 'andrii <andrii@andrii.es>',
         to: email,
-        text: 'hello and welcome, token is: ' + verificationToken,
-        html: `<b>Hello ${name}!</b><br/>Please confirm your email by clicking on the link below:<br/><a href="http://localhost:3000/confirm-email/${verificationToken}">Confirm email</a>`,
-        subject: 'E-mail confirmation',
+        html: htmlFinal,
+        subject,
       })
     } catch (e) {
       this.logger.error(e?.message || e)