feat: trigger webhook functionality

packages/lib/universal/post-webhook-payload.ts

@@ -0,0 +1,39 @@
+import type { Document, Webhook } from '@documenso/prisma/client';
+
+export type PostWebhookPayloadOptions = {
+  webhookData: Pick<Webhook, 'webhookUrl' | 'secret' | 'eventTriggers'>;
+  documentData: Document;
+};
+
+export const postWebhookPayload = async ({
+  webhookData,
+  documentData,
+}: PostWebhookPayloadOptions) => {
+  const { webhookUrl, secret } = webhookData;
+
+  const payload = {
+    event: webhookData.eventTriggers.toString(),
+    createdAt: new Date().toISOString(),
+    webhookEndpoint: webhookUrl,
+    payload: documentData,
+  };
+
+  const response = await fetch(webhookUrl, {
+    method: 'POST',
+    body: JSON.stringify(payload),
+    headers: {
+      'Content-Type': 'application/json',
+      'X-Documenso-Secret': secret ?? '',
+    },
+  });
+
+  if (!response.ok) {
+    throw new Error(`Webhook failed with the status code ${response.status}`);
+  }
+
+  return {
+    status: response.status,
+    statusText: response.statusText,
+    message: 'Webhook sent successfully',
+  };
+};