chore: manually committing auth module to remoter

packages/hoppscotch-backend/src/mailer/mailer.service.ts

@@ -0,0 +1,40 @@
+import { Injectable, OnModuleInit } from '@nestjs/common';
+import { Email } from 'src/types/Email';
+import {
+  MailDescription,
+  UserMagicLinkMailDescription,
+} from './MailDescriptions';
+import * as postmark from 'postmark';
+import { throwErr } from 'src/utils';
+import * as TE from 'fp-ts/TaskEither';
+import { EMAIL_FAILED } from 'src/errors';
+
+@Injectable()
+export class MailerService implements OnModuleInit {
+  client: postmark.ServerClient;
+
+  onModuleInit() {
+    this.client = new postmark.ServerClient(
+      process.env.POSTMARK_SERVER_TOKEN ||
+        throwErr('No Postmark Server Token defined'),
+    );
+  }
+
+  sendMail(
+    to: string,
+    mailDesc: MailDescription | UserMagicLinkMailDescription,
+  ) {
+    return TE.tryCatch(
+      () =>
+        this.client.sendEmailWithTemplate({
+          To: to,
+          From:
+            process.env.POSTMARK_SENDER_EMAIL ||
+            throwErr('No Postmark Sender Email defined'),
+          TemplateAlias: mailDesc.template,
+          TemplateModel: mailDesc.variables,
+        }),
+      () => EMAIL_FAILED,
+    );
+  }
+}