refactor/logs handler to support migrated player stats

admin/migrate_playerstats.js

@@ -0,0 +1,60 @@
+require('dotenv').config({ path: '../.env' });
+
+const fs = require('fs');
+const MongoClient = require('mongodb').MongoClient;
+const guildId = process.env.GuildID;
+const URI = process.env.mongoURI;
+const dbo = process.env.dbo;
+const NitradoServerID = process.env.SERVER_ID;
+const client = new MongoClient(URI);
+
+/*
+  !WARNING!
+
+  THIS SCRIPT IS MEANT ONLY FOR BOT ADMINISTRATORS WHO ARE RUNNING THE BOT + DATABASE
+  
+  This script will migrate all playerstats from the guildSettings document in the "guilds" collection,
+  to their own collection as their own documents in the new "players" collection.
+
+  Only run this once you have bot version ^12.0.0 or higher.
+*/
+
+async function migrate() {
+  const package = await JSON.parse(fs.readFileSync('../package.json'));
+  const version = package.version.split('.').map(v => parseInt(v));
+
+  if (version[0] < 12) throw new Error('Bot version does not meet requirements: v^12.0.0');
+
+  try {
+    // Get the database and collection on which to run the operation
+    const database = client.db(dbo);
+    const players = database.collection("players");
+    const guilds = database.collection("guilds");
+
+    let guild = await guilds.findOne({"server.serverID": guildId});
+
+    const dir = __dirname + '/backup';
+    if (!fs.existsSync(dir)){
+      fs.mkdirSync(dir);
+    }
+
+    guild.server.playerstats.map(stat => stat.nitradoServerID = NitradoServerID);
+
+    // write JSON to file
+    fs.writeFileSync(`${dir}/player_stats_backup.json`, JSON.stringify(guild.server.playerstats, null, 2));
+    console.log(`A backup of playerstats was successfully created in ./backup/player_stats_backup.json in case of a fatal error.`);
+
+    const result = await players.insertMany(guild.server.playerstats, { ordered: true });
+    console.log(`${result.insertedCount} documents were inserted`);
+
+    delete guild.server.playerstats;
+
+  } catch (err) {
+    throw new Error(`An error occured while attempting to migrate player stats: ${err}`)
+  } finally {
+    await client.close();
+    console.log(`Successfully migrated player stats into the 'players' collection.`);
+  }
+}
+
+migrate()