Move utils folder and fix published text

utils/upgradedb.js

@@ -0,0 +1,61 @@
+const pj = require("path").join
+const db = require("./db")
+
+const deltas = [
+	// 0: from empty file, +DatabaseVersion, +Subscriptions
+	function() {
+		db.prepare("CREATE TABLE DatabaseVersion (version INTEGER NOT NULL, PRIMARY KEY (version))")
+			.run()
+		db.prepare("CREATE TABLE Subscriptions (token TEXT NOT NULL, ucid TEXT NOT NULL, PRIMARY KEY (token, ucid))")
+			.run()
+		db.prepare("CREATE TABLE Channels (ucid TEXT NOT NULL, name TEXT NOT NULL, icon_url TEXT, PRIMARY KEY (ucid))")
+			.run()
+		db.prepare("CREATE TABLE Videos (videoId TEXT NOT NULL, title TEXT NOT NULL, author TEXT, authorId TEXT NOT NULL, published INTEGER, publishedText TEXT, lengthText TEXT, viewCountText TEXT, descriptionHtml TEXT, PRIMARY KEY (videoId))")
+			.run()
+		db.prepare("CREATE TABLE CSRFTokens (token TEXT NOT NULL, expires INTEGER NOT NULL, PRIMARY KEY (token))")
+			.run()
+		db.prepare("CREATE TABLE SeenTokens (token TEXT NOT NULL, seen INTEGER NOT NULL, PRIMARY KEY (token))")
+			.run()
+		db.prepare("CREATE TABLE Settings (token TEXT NOT NULL, instance TEXT, save_history INTEGER, PRIMARY KEY (token))")
+			.run()
+	}
+]
+
+async function createBackup(entry) {
+	const filename = `db/backups/cloudtube.db.bak-v${entry-1}`
+	process.stdout.write(`Backing up current to ${filename}... `)
+	await db.backup(pj(__dirname, "../../", filename))
+	process.stdout.write("done.\n")
+}
+
+/**
+ * @param {number} entry
+ * @param {boolean} log
+ */
+function runDelta(entry, log) {
+	process.stdout.write(`Upgrading database to version ${entry}... `)
+	deltas[entry]()
+	db.prepare("DELETE FROM DatabaseVersion").run()
+	db.prepare("INSERT INTO DatabaseVersion (version) VALUES (?)").run(entry)
+	process.stdout.write("done.\n")
+}
+
+module.exports = async function() {
+	let currentVersion = -1
+	const newVersion = deltas.length - 1
+
+	try {
+		currentVersion = db.prepare("SELECT version FROM DatabaseVersion").pluck().get()
+	} catch (e) {} // if the table doesn't exist yet then we don't care
+
+	if (currentVersion !== newVersion) {
+		// go through the entire upgrade sequence
+		for (let entry = currentVersion+1; entry <= newVersion; entry++) {
+			// Back up current version
+			if (entry > 0) await createBackup(entry)
+
+			// Run delta
+			runDelta(entry)
+		}
+	}
+}