Parse config and extrac fromEmailAddress from there

apps/cognito-functions/src/main.ts

@@ -16,4 +16,20 @@ export const customMessageHandler = pipe(
   }, customMessage.makeHandler)
 );
 
-export const sensEmailHandler = pipe(new SES(), sendEmail.makeHandler);
+export const sensEmailHandler = pipe(
+  { fromEmailAddress: process.env.FROM_EMAIL_ADDRESS },
+  sendEmail.SendEmailConfig.decode,
+  E.fold(
+    (errors) => {
+      // eslint-disable-next-line functional/no-expression-statements
+      console.log(PR.failure(errors).join('\n'));
+      // eslint-disable-next-line functional/no-throw-statements
+      throw new Error();
+    },
+    (config) =>
+      sendEmail.makeHandler({
+        ses: new SES(),
+        config,
+      })
+  )
+);

apps/cognito-functions/src/send-email-handler.ts

@@ -4,6 +4,7 @@ import {
   SendEmailCommand,
   SendEmailCommandInput,
 } from '@aws-sdk/client-ses';
+import * as t from 'io-ts';
 
 const emailBody = (firstName: string) => `
 <h4>Finalmente sei dei nostri</h4>
@@ -42,11 +43,22 @@ const makeSesEmailParameters = (
   Source: from,
 });
 
+export const SendEmailConfig = t.type({
+  fromEmailAddress: t.string,
+});
+type SendEmailConfig = t.TypeOf<typeof SendEmailConfig>;
+
+export type SendEmailEnv = {
+  readonly config: SendEmailConfig;
+  readonly ses: SES;
+};
+
 export const makeHandler =
-  (ses: SES) => async (event: PostConfirmationConfirmSignUpTriggerEvent) => {
+  ({ ses, config }: SendEmailEnv) =>
+  async (event: PostConfirmationConfirmSignUpTriggerEvent) => {
     const { email, given_name } = event.request.userAttributes;
     if (email) {
-      const fromEmail = 'Developer Portal <[email protected]>'; // FIXME
+      const fromEmail = config.fromEmailAddress;
       const subject = 'Il tuo account è attivo';
       const params = makeSesEmailParameters(
         email,