Add user import and export scripts

.gitignore

@@ -7,6 +7,7 @@ node_modules
 
 # Database stuff
 db/**/*.db*
+users_export.json
 
 # Test stuff
 /coverage

scripts/export_users.js

@@ -0,0 +1,11 @@
+const fs = require("fs").promises
+const pj = require("path").join
+const db = require("../src/lib/db")
+
+;(async () => {
+	const users = db.prepare("SELECT * FROM Users").all()
+	const targetDir = process.argv.slice(2).includes("--publish") ? "../src/site/html" : ".."
+	const target = pj(__dirname, targetDir, "users_export.json")
+	fs.writeFile(target, JSON.stringify(users), {encoding: "utf8"})
+	console.log(`Users exported to ${target}`)
+})()

scripts/import_users.js

@@ -0,0 +1,33 @@
+const fs = require("fs").promises
+const pj = require("path").join
+const db = require("../src/lib/db")
+const {request} = require("../src/lib/utils/request")
+
+;(async () => {
+	const target = process.argv[2]
+	if (!target) {
+		console.log("Provide the file or URL to import from on the command line.")
+		process.exit(1)
+	}
+	if (target.match(/^https?:\/\//)) {
+		var usersString = await request(target).then(res => res.text())
+	} else {
+		var usersString = await fs.readFile(target, {encoding: "utf8"})
+	}
+	/** @type {{username: string, user_id: string, created: number, updated: number, updated_version: number, biography: string, post_count: number, following_count: number, followed_by_count: number, external_url: string, full_name: string, is_private: number, is_verified: number, profile_pic_url: string}[]} */
+	const users = JSON.parse(usersString)
+	let newCount = 0
+	let overwrittenCount = 0
+	db.transaction(() => {
+		for (const user of users) {
+			const existing = db.prepare("SELECT user_id FROM Users WHERE username = ?").get(user.username)
+			db.prepare(
+				"REPLACE INTO Users (username,  user_id,  created,  updated,  updated_version,  biography,  post_count,  following_count,  followed_by_count,  external_url,  full_name,  is_private,  is_verified,  profile_pic_url) VALUES "
+				+"(@username, @user_id, @created, @updated, @updated_version, @biography, @post_count, @following_count, @followed_by_count, @external_url, @full_name, @is_private, @is_verified, @profile_pic_url)"
+			).run(user)
+			if (existing) overwrittenCount++
+			else newCount++
+		}
+	})()
+	console.log(`Imported ${users.length} entries (${newCount} new, ${overwrittenCount} overwritten)`)
+})()