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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 29x 29x 24x 29x 29x 29x 24x | import { Inject, Injectable, Logger } from '@nestjs/common'
import { renderFile } from 'ejs'
import { Transporter, createTransport } from 'nodemailer'
import { join } from 'path'
import { MailData } from '../../db/entities/mail-event.entity'
import { MailModuleConfig } from '../interfaces/mail-module.interface'
import { MailTemplateContent } from '../interfaces/mail.interface'
import { MODULE_OPTIONS_TOKEN } from '../metadata/mail.module-definition'
/**
* @description Service reliable for actually talking to the http server
*/
@Injectable()
export class MailSendService {
private logger = new Logger(MailSendService.name)
private transport: Transporter
private readonly templateDir = join(__dirname, '..', 'templates')
private defaultFrom: string
constructor(@Inject(MODULE_OPTIONS_TOKEN) private options: MailModuleConfig) {
this.transport = createTransport(options.transport, options.defaults)
this.defaultFrom = options.defaultSender
}
async sendMail(mail: MailData): Promise<void> {
let mailContent = mail.content.contentRaw
if (mail.content.contentTemplate) {
mailContent = await this.renderTemplate(
mail.content.contentTemplate,
mail.content.templateContent,
)
}
const { recipient, cc, from } = mail.recipient
this.logger.debug(`Sending mail to ${recipient}`)
await this.transport.sendMail({
to: recipient,
cc: cc,
from: from || this.defaultFrom,
subject: mail.content.subject,
// Assume always HTML...our emails SHOULD be styled anyways
html: mailContent,
})
}
private renderTemplate(
templateName: string,
content: MailTemplateContent,
): string {
return renderFile(
join(this.templateDir, `${templateName}.template.ejs`),
content || {},
)
}
}
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