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/create-organisation-email.ts

@@ -0,0 +1,61 @@
+import { ORGANISATION_MEMBER_ROLE_PERMISSIONS_MAP } from '@documenso/lib/constants/organisations';
+import { AppError, AppErrorCode } from '@documenso/lib/errors/app-error';
+import { generateDatabaseId } from '@documenso/lib/universal/id';
+import { buildOrganisationWhereQuery } from '@documenso/lib/utils/organisations';
+import { prisma } from '@documenso/prisma';
+
+import { authenticatedProcedure } from '../trpc';
+import {
+  ZCreateOrganisationEmailRequestSchema,
+  ZCreateOrganisationEmailResponseSchema,
+} from './create-organisation-email.types';
+
+export const createOrganisationEmailRoute = authenticatedProcedure
+  .input(ZCreateOrganisationEmailRequestSchema)
+  .output(ZCreateOrganisationEmailResponseSchema)
+  .mutation(async ({ input, ctx }) => {
+    const { email, emailName, emailDomainId } = input;
+    const { user } = ctx;
+
+    ctx.logger.info({
+      input: {
+        emailDomainId,
+      },
+    });
+
+    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',
+      });
+    }
+
+    const allowedEmailSuffix = '@' + emailDomain.domain;
+
+    if (!email.endsWith(allowedEmailSuffix)) {
+      throw new AppError(AppErrorCode.INVALID_BODY, {
+        message: 'Cannot create an email with a different domain',
+      });
+    }
+
+    await prisma.organisationEmail.create({
+      data: {
+        id: generateDatabaseId('org_email'),
+        organisationId: emailDomain.organisationId,
+        emailName,
+        // replyTo,
+        email,
+        emailDomainId,
+      },
+    });
+  });