feat: add field and recipient endpoints

packages/lib/server-only/recipient/delete-recipient.ts

@@ -0,0 +1,32 @@
+import { prisma } from '@documenso/prisma';
+import { SendStatus } from '@documenso/prisma/client';
+
+export type DeleteRecipientOptions = {
+  documentId: number;
+  recipientId: number;
+};
+
+export const deleteRecipient = async ({ documentId, recipientId }: DeleteRecipientOptions) => {
+  const recipient = await prisma.recipient.findFirst({
+    where: {
+      id: recipientId,
+      documentId,
+    },
+  });
+
+  if (!recipient) {
+    throw new Error('Recipient not found');
+  }
+
+  if (recipient.sendStatus !== SendStatus.NOT_SENT) {
+    throw new Error('Can not delete a recipient that has already been sent a document');
+  }
+
+  const deletedRecipient = await prisma.recipient.delete({
+    where: {
+      id: recipient.id,
+    },
+  });
+
+  return deletedRecipient;
+};