From fa40db066287866fb83b97159f4969aaec0fefb0 Mon Sep 17 00:00:00 2001
From: Josh Moore <josh.moore+gpg@jmoore.dev>
Date: Sun, 16 Jul 2023 19:23:03 -0600
Subject: [PATCH] feat: added initial data file management (no put/get/etc yet)

---
 backend/app.ts  |  4 +++
 backend/data.ts | 65 +++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 69 insertions(+)
 create mode 100644 backend/data.ts

diff --git a/backend/app.ts b/backend/app.ts
index ea8817d..9f31a09 100644
--- a/backend/app.ts
+++ b/backend/app.ts
@@ -4,6 +4,7 @@ import { path, isProd } from '@tycrek/joint';
 import { epcss } from '@tycrek/express-postcss';
 import tailwindcss from 'tailwindcss';
 import { log } from './log';
+import { ensureFiles } from './data';
 import { UserConfig } from './UserConfig';
 import { ServerConfiguration } from 'ass';
 
@@ -27,6 +28,9 @@ async function main() {
 	const pkg = await fs.readJson(path.join('package.json')) as { name: string, version: string };
 	log.blank().info(pkg.name, pkg.version).blank();
 
+	// Ensure data files exist
+	await ensureFiles();
+
 	// Set default server configuration
 	const serverConfig: ServerConfiguration = {
 		host: '0.0.0.0',
diff --git a/backend/data.ts b/backend/data.ts
new file mode 100644
index 0000000..c549279
--- /dev/null
+++ b/backend/data.ts
@@ -0,0 +1,65 @@
+import fs from 'fs-extra';
+import { path } from '@tycrek/joint';
+import { nanoid } from 'nanoid';
+import { log } from './log';
+import { AssFile, AssUser, NID, FilesSchema, UsersSchema } from 'ass';
+
+/**
+ * Switcher type for exported functions
+ */
+type DataSector = 'files' | 'users';
+
+/**
+ * Absolute filepaths for JSON data files
+ */
+const PATHS = {
+	files: path.join('.ass-data/files.json'),
+	users: path.join('.ass-data/users.json')
+};
+
+/**
+ * Creates a JSON file with a given empty data template
+ */
+const createEmptyJson = (filepath: string, emptyData: any): Promise<void> => new Promise(async (resolve, reject) => {
+	try {
+		if (!(await fs.pathExists(filepath))) {
+			await fs.ensureFile(filepath);
+			await fs.writeJson(filepath, emptyData, { spaces: '\t' });
+		}
+		resolve(void 0);
+	} catch (err) {
+		reject(err);
+	}
+});
+
+/**
+ * Ensures the data files exist and creates them if required
+ */
+export const ensureFiles = (): Promise<void> => new Promise(async (resolve, reject) => {
+	log.debug('Checking data files');
+
+	try {
+		// Create data directory
+		await fs.ensureDir(path.join('.ass-data'));
+
+		// * Default files.json
+		await createEmptyJson(PATHS.files, {
+			files: [],
+			meta: {}
+		} as FilesSchema);
+
+		// * Default users.json
+		await createEmptyJson(PATHS.users, {
+			tokens: [],
+			users: [],
+			cliKey: nanoid(32),
+			meta: {}
+		} as UsersSchema);
+
+		log.debug('Data files exist');
+		resolve();
+	} catch (err) {
+		log.error('Failed to verify existence of data files');
+		reject(err);
+	}
+});