feat: add email domains (#1895)

Implemented Email Domains which allows Platform/Enterprise customers to
send emails to recipients using their custom emails.

packages/trpc/server/enterprise-router/delete-organisation-email-domain.ts

@@ -0,0 +1,53 @@
+import { deleteEmailDomain } from '@documenso/ee/server-only/lib/delete-email-domain';
+import { IS_BILLING_ENABLED } from '@documenso/lib/constants/app';
+import { ORGANISATION_MEMBER_ROLE_PERMISSIONS_MAP } from '@documenso/lib/constants/organisations';
+import { AppError, AppErrorCode } from '@documenso/lib/errors/app-error';
+import { buildOrganisationWhereQuery } from '@documenso/lib/utils/organisations';
+import { prisma } from '@documenso/prisma';
+
+import { authenticatedProcedure } from '../trpc';
+import {
+  ZDeleteOrganisationEmailDomainRequestSchema,
+  ZDeleteOrganisationEmailDomainResponseSchema,
+} from './delete-organisation-email-domain.types';
+
+export const deleteOrganisationEmailDomainRoute = authenticatedProcedure
+  .input(ZDeleteOrganisationEmailDomainRequestSchema)
+  .output(ZDeleteOrganisationEmailDomainResponseSchema)
+  .mutation(async ({ input, ctx }) => {
+    const { emailDomainId } = input;
+    const { user } = ctx;
+
+    ctx.logger.info({
+      input: {
+        emailDomainId,
+      },
+    });
+
+    if (!IS_BILLING_ENABLED()) {
+      throw new AppError(AppErrorCode.INVALID_REQUEST, {
+        message: 'Billing is not enabled',
+      });
+    }
+
+    const emailDomain = await prisma.emailDomain.findFirst({
+      where: {
+        id: emailDomainId,
+        organisation: buildOrganisationWhereQuery({
+          organisationId: undefined,
+          userId: user.id,
+          roles: ORGANISATION_MEMBER_ROLE_PERMISSIONS_MAP['MANAGE_ORGANISATION'],
+        }),
+      },
+    });
+
+    if (!emailDomain) {
+      throw new AppError(AppErrorCode.NOT_FOUND, {
+        message: 'Email domain not found',
+      });
+    }
+
+    await deleteEmailDomain({
+      emailDomainId: emailDomain.id,
+    });
+  });