feat(server): role changed email (#9227)

packages/backend/server/src/base/mailer/mail.service.ts

@@ -6,7 +6,12 @@ import { URLHelper } from '../helpers';
 import { metrics } from '../metrics';
 import type { MailerService, Options } from './mailer';
 import { MAILER_SERVICE } from './mailer';
-import { emailTemplate } from './template';
+import {
+  emailTemplate,
+  getRoleChangedTemplate,
+  type RoleChangedMailParams,
+} from './template';
+
 @Injectable()
 export class MailService {
   constructor(
@@ -311,4 +316,22 @@ export class MailService {
     });
     return this.sendMail({ to, subject: title, html });
   }
+
+  async sendRoleChangedEmail(to: string, ws: RoleChangedMailParams) {
+    const { subject, title, content } = getRoleChangedTemplate(ws);
+    const html = emailTemplate({ title, content });
+    console.log({ subject, title, content, to });
+    return this.sendMail({ to, subject, html });
+  }
+
+  async sendOwnerTransferred(to: string, ws: { name: string }) {
+    const { name: workspaceName } = ws;
+    const title = `Your ownership of ${workspaceName} has been transferred`;
+
+    const html = emailTemplate({
+      title: 'Ownership transferred',
+      content: `You have transferred ownership of ${workspaceName}. You are now a admin in this workspace.`,
+    });
+    return this.sendMail({ to, subject: title, html });
+  }
 }

packages/backend/server/src/base/mailer/template.ts

@@ -219,3 +219,38 @@ export const emailTemplate = ({
       </table>
     </body>`;
 };
+
+type RoleChangedMail = {
+  subject: string;
+  title: string;
+  content: string;
+};
+
+export type RoleChangedMailParams = {
+  name: string;
+  role: 'owner' | 'admin' | 'member' | 'readonly';
+};
+
+export const getRoleChangedTemplate = (
+  ws: RoleChangedMailParams
+): RoleChangedMail => {
+  const { name, role } = ws;
+  let subject = `You are now an ${role} of ${name}`;
+  let title = 'Role update in workspace';
+  let content = `Your role in ${name} has been changed to ${role}. You can continue to collaborate in this workspace.`;
+
+  switch (role) {
+    case 'owner':
+      title = 'Welcome, new workspace owner!';
+      content = `You have been assigned as the owner of ${name}. As a workspace owner, you have full control over this team workspace.`;
+      break;
+    case 'admin':
+      title = `You've been promoted to admin.`;
+      content = `You have been promoted to admin of ${name}. As an admin, you can help the workspace owner manage members in this workspace.`;
+      break;
+    default:
+      subject = `Your role has been changed in ${name}`;
+      break;
+  }
+  return { subject, title, content };
+};