Added new database rustydb (#6632)

Co-authored-by: SamTv12345 <samtv12345@samtv12345.com>

bin/migrateDB.ts

@@ -0,0 +1,83 @@
+// DB migration
+import {readFileSync} from 'node:fs'
+import {Database, DatabaseType} from "ueberdb2";
+import path from "node:path";
+const settings = require('ep_etherpad-lite/node/utils/Settings');
+
+
+// file1 = source, file2 = target
+// pnpm run migrateDB --file1 <db1.json> --file2 <db2.json>
+const arg = process.argv.slice(2);
+
+if (arg.length != 4) {
+  console.error('Wrong number of arguments!. Call with pnpm run migrateDB --file1 source.json target.json')
+  process.exit(1)
+}
+
+type SettingsConfig = {
+  dbType: string,
+  dbSettings: any
+}
+
+/*
+  {
+    "dbType": "<your-db-type>",
+    "dbSettings": {
+      <your-db-settings>
+     }
+  }
+ */
+
+let firstDBSettingsFile: string
+let secondDBSettingsFile: string
+
+
+if (arg[0] == "--file1") {
+    firstDBSettingsFile = arg[1]
+} else if (arg[0] === "--file2") {
+  secondDBSettingsFile = arg[1]
+}
+
+if (arg[2] == "--file1") {
+  firstDBSettingsFile = arg[3]
+} else if (arg[2] === "--file2") {
+  secondDBSettingsFile = arg[3]
+}
+
+
+
+const settingsfile = JSON.parse(readFileSync(path.join(settings.root,firstDBSettingsFile!)).toString()) as SettingsConfig
+const settingsfile2 = JSON.parse(readFileSync(path.join(settings.root,secondDBSettingsFile!)).toString()) as SettingsConfig
+
+console.log(settingsfile2)
+if ("filename" in settingsfile.dbSettings) {
+  settingsfile.dbSettings.filename = path.join(settings.root, settingsfile.dbSettings.filename)
+  console.log(settingsfile.dbType + " location is "+ settingsfile.dbSettings.filename)
+}
+
+if ("filename" in settingsfile2.dbSettings) {
+  settingsfile2.dbSettings.filename = path.join(settings.root, settingsfile2.dbSettings.filename)
+  console.log(settingsfile2.dbType + " location is "+ settingsfile2.dbSettings.filename)
+}
+
+const ueberdb1 = new Database(settingsfile.dbType as DatabaseType, settingsfile.dbSettings)
+const ueberdb2 = new Database(settingsfile2.dbType as DatabaseType, settingsfile2.dbSettings)
+
+const handleSync = async ()=>{
+  await ueberdb1.init()
+  await ueberdb2.init()
+
+  const allKeys = await ueberdb1.findKeys('*','')
+  for (const key of allKeys) {
+    const foundVal = await ueberdb1.get(key)!
+    await ueberdb2.set(key, foundVal)
+  }
+}
+
+handleSync().then(()=>{
+  console.log("Done syncing dbs")
+}).catch(e=>{
+  console.log(`Error syncing db ${e}`)
+})
+
+