feat: universal upload

Implementation of a universal upload allowing for multiple storage backends
starting with `database` and `s3`.

Allows clients to put and retrieve files from either client or server using
a blend of client and server actions.

packages/lib/universal/upload/update-file.ts

@@ -0,0 +1,54 @@
+import { base64 } from '@scure/base';
+import { match } from 'ts-pattern';
+
+import { DocumentDataType } from '@documenso/prisma/client';
+
+import { getAbsolutePresignPostUrl } from './server-actions';
+
+export type UpdateFileOptions = {
+  type: DocumentDataType;
+  oldData: string;
+  newData: string;
+};
+
+export const updateFile = async ({ type, oldData, newData }: UpdateFileOptions) => {
+  return await match(type)
+    .with(DocumentDataType.BYTES, () => updateFileWithBytes(newData))
+    .with(DocumentDataType.BYTES_64, () => updateFileWithBytes64(newData))
+    .with(DocumentDataType.S3_PATH, async () => updateFileWithS3(oldData, newData))
+    .exhaustive();
+};
+
+const updateFileWithBytes = (data: string) => {
+  return {
+    type: DocumentDataType.BYTES,
+    data,
+  };
+};
+
+const updateFileWithBytes64 = (data: string) => {
+  const encoder = new TextEncoder();
+
+  const binaryData = encoder.encode(data);
+
+  const asciiData = base64.encode(binaryData);
+
+  return {
+    type: DocumentDataType.BYTES_64,
+    data: asciiData,
+  };
+};
+
+const updateFileWithS3 = async (key: string, data: string) => {
+  const { url } = await getAbsolutePresignPostUrl(key);
+
+  await fetch(url, {
+    method: 'PUT',
+    body: data,
+  });
+
+  return {
+    type: DocumentDataType.S3_PATH,
+    data: key,
+  };
+};