feat: auto-send invitation letter

cdk/container/inkscape/Dockerfile

@@ -0,0 +1,12 @@
+FROM ubuntu:22.04 AS base   
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+RUN <<EOT
+    apt-get -y update
+    apt-get -y upgrade
+    apt-get -y install inkscape fonts-alegreya-sans 
+    apt-get -y clean
+    rm -rf /var/lib/apt/lists/*
+EOT
+

invitation-letter/send-letter.ts

@@ -0,0 +1,90 @@
+import { DynamoDBClient, GetItemCommand } from "@aws-sdk/client-dynamodb";
+import { SendRawEmailCommand, SESClient } from "@aws-sdk/client-ses";
+import { unmarshall } from "@aws-sdk/util-dynamodb";
+import run from "@bifravst/run";
+import { fromEnv } from "@nordicsemiconductor/from-env";
+import fs from "node:fs/promises";
+import os from "node:os";
+import path from "node:path";
+import { CC, From } from "../lambdas/emails.ts";
+
+const registrationId = process.argv[process.argv.length - 1] as string;
+
+const { RegistrationsTableName } = fromEnv({
+  RegistrationsTableName: "REGISTRATIONS_TABLE_NAME",
+})(process.env);
+
+const db = new DynamoDBClient({});
+const ses = new SESClient({});
+const { Item } = await db.send(
+  new GetItemCommand({
+    TableName: RegistrationsTableName,
+    Key: {
+      id: { S: registrationId },
+    },
+  })
+);
+if (!Item) {
+  throw new Error(`Registration ${registrationId} not found`);
+}
+
+const registration = unmarshall(Item);
+
+console.log(registration);
+
+const tempDir = await fs.mkdtemp(path.join(os.tmpdir(), "invitation-letters-"));
+const template = await fs.readFile(
+  path.join(process.cwd(), "invitation-letter", "template.svg"),
+  "utf-8"
+);
+
+const outFile = `invitation-letter-${registrationId}.pdf`;
+const out = path.join(tempDir, outFile);
+const infile = path.join(tempDir, "invitation-letter.svg");
+
+await fs.writeFile(
+  infile,
+  template
+    .replaceAll("{{ DATE }}", new Date().toISOString().slice(0, 10))
+    .replaceAll("{{ NAME }}", registration.name)
+    .replaceAll("{{ REGISTRATION_ID }}", registration.id)
+    .replaceAll("{{ CODEFREEZE_DATE }}", "Sat Jan 11th - Sat 18th 2025") // FIXME: make dynamic
+);
+
+console.log(
+  await run({
+    command: "inkscape",
+    args: [`--export-filename=${out}`, infile],
+  })
+);
+
+const boundary = "NextPart";
+let rawEmail = `From: ${From}\n`;
+rawEmail += `To: ${`"${registration.name}" <${registration.email}>`}\n`;
+rawEmail += `Cc: ${CC}\n`;
+rawEmail += `Reply-To: ${CC}\n`;
+rawEmail += `Subject: [codefreeze.fi] Your invitation letter for your registration ${registrationId}\n`;
+rawEmail += `MIME-Version: 1.0\n`;
+rawEmail += `Content-Type: multipart/mixed; boundary="${boundary}"\n\n`;
+rawEmail += `--${boundary}\n`;
+rawEmail += `Content-Type: text/plain; charset="UTF-8"\n\n`;
+rawEmail += `${[
+  `Hei ${registration.name},`,
+  `Please find attached your invitation letter.`,
+  `Please do no hesitate to reach out to us if you have any questions.`,
+  `❄`,
+].join("\n\n")}\n\n`;
+rawEmail += `--${boundary}\n`;
+rawEmail += `Content-Type: application/pdf ; name="${outFile}"\n`;
+rawEmail += `Content-Disposition: attachment; filename="${outFile}"\n`;
+rawEmail += `Content-Transfer-Encoding: base64\n\n`;
+rawEmail += `${Buffer.from(await fs.readFile(out)).toString("base64")}\n\n`;
+rawEmail += `--${boundary}--`;
+
+await ses.send(
+  new SendRawEmailCommand({
+    RawMessage: {
+      Data: Buffer.from(rawEmail),
+    },
+  })
+);