From c2380609b2d0143bc7d535887b57c8039c69a532 Mon Sep 17 00:00:00 2001
From: Dennis Heinrich <der@dennis-heinri.ch>
Date: Sun, 1 Dec 2024 12:34:50 +0100
Subject: [PATCH] Implemented version checking for the discord bot and
 increased version to 0.1.6

---
 package.json                      |  2 +-
 source/Main.ts                    | 19 ++++++++++++++
 source/Services/VersionChecker.ts | 41 +++++++++++++++++++++++++++++++
 3 files changed, 61 insertions(+), 1 deletion(-)
 create mode 100644 source/Services/VersionChecker.ts

diff --git a/package.json b/package.json
index 42155cf..5ed0409 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ls25-discord-bot",
-  "version": "0.1.5",
+  "version": "0.1.6",
   "description": "A simple discord bot for farming simulator 25",
   "main": "source/Main.ts",
   "scripts": {
diff --git a/source/Main.ts b/source/Main.ts
index dbae6bb..5e8fb01 100644
--- a/source/Main.ts
+++ b/source/Main.ts
@@ -2,6 +2,7 @@ import {Client, IntentsBitField} from 'discord.js';
 import Configuration from "./Services/Configuration";
 import Logging from "./Services/Logging";
 import DiscordService from "./Services/DiscordEmbed";
+import VersionChecker from './Services/VersionChecker';
 
 // Create a new logger instance and configuration instance
 const appLogger = Logging.getLogger();
@@ -20,6 +21,24 @@ if(!appConfig.isConfigurationValid()) {
     process.exit(1);
 }
 
+/**
+ * Check the version of the bot and log if it is up to date
+ */
+const versionChecker = new VersionChecker();
+versionChecker.checkVersionIsUpdated().then((isUpToDate: boolean): void => {
+    if (!isUpToDate) {
+        appLogger.warn(`====================================================`);
+        appLogger.warn(`====================================================`);
+        appLogger.warn(`The bot is not up to date. Please update it soon.`);
+        appLogger.warn(`Use the command 'git pull && docker compose up -d --build' to update the bot.`);
+        appLogger.warn(`====================================================`);
+        appLogger.warn(`====================================================`);
+
+    } else {
+        appLogger.info(`The bot is up to date. No update needed.`);
+    }
+});
+
 /**
  * Create a new discord client instance
  */
diff --git a/source/Services/VersionChecker.ts b/source/Services/VersionChecker.ts
new file mode 100644
index 0000000..2b0be39
--- /dev/null
+++ b/source/Services/VersionChecker.ts
@@ -0,0 +1,41 @@
+export default class VersionChecker {
+    private readonly localPackageVersion: string;
+    private readonly versionUrl: string = "https://raw.githubusercontent.com/cloudmaker97/FS25-Discord-Bot/refs/heads/main/package.json";
+
+    constructor() {
+        this.localPackageVersion = require('../../package.json').version;
+    }
+
+    /**
+     * Check if the version of the bot is up to date
+     */
+    public async checkVersionIsUpdated(): Promise<boolean> {
+        const latestVersion = await this.getLatestReleasedVersion();
+        return this.isNewerVersion(latestVersion, this.localPackageVersion);
+    }
+
+    /**
+     * Get the latest released version of the bot from the github repository
+     */
+    public async getLatestReleasedVersion(): Promise<string> {
+        const response = await fetch(this.versionUrl);
+        const latestPackage = await response.text();
+        const latestVersion = JSON.parse(latestPackage)?.version;
+        return latestVersion;
+    }
+
+    /**
+     * Check if the latest version is newer than the current version
+     */
+    public isNewerVersion(latestVersion: string, currentVersion: string) {
+        const v1Parts: number[] = latestVersion.split('.').map(Number);
+        const v2Parts: number[] = currentVersion.split('.').map(Number);
+        for (let i = 0; i < Math.max(v1Parts.length, v2Parts.length); i++) {
+            const part1 = v1Parts[i] || 0;
+            const part2 = v2Parts[i] || 0;
+            if (part1 > part2) return false;
+            if (part1 < part2) return true;
+        }
+        return true;
+    }
+}
\ No newline at end of file