chore: manually committing auth module to remoter

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

@@ -0,0 +1,16 @@
+export type MailDescription = {
+  template: 'team-invitation';
+  variables: {
+    invitee: string;
+    invite_team_name: string;
+    action_url: string;
+  };
+};
+
+export type UserMagicLinkMailDescription = {
+  template: 'code-your-own'; //Alias of template in Postmark, change this to env variable
+  variables: {
+    inviteeEmail: string;
+    magicLink: string;
+  };
+};

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

@@ -0,0 +1,8 @@
+import { Module } from '@nestjs/common';
+import { MailerService } from './mailer.service';
+
+@Module({
+  providers: [MailerService],
+  exports: [MailerService],
+})
+export class MailerModule {}

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,
+    );
+  }
+}