Renamed PluginManager to DiscordBotCore.

Revamped the Logger

DiscordBotCore/Updater/Plugins/PluginUpdater.cs

@@ -0,0 +1,57 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Threading.Tasks;
+using DiscordBotCore.Online;
+using DiscordBotCore.Others;
+using DiscordBotCore.Plugin;
+
+namespace DiscordBotCore.Updater.Plugins;
+
+public class PluginUpdater
+{
+    private readonly PluginManager _PluginsManager;
+    
+    public PluginUpdater(PluginManager pluginManager)
+    {
+        _PluginsManager = pluginManager;
+    }
+    
+    public async Task<PluginOnlineInfo> GetPluginInfo(string pluginName)
+    {
+        var result = await _PluginsManager.GetPluginDataByName(pluginName);
+        return result;
+    }
+    
+    public async Task<PluginInfo> GetLocalPluginInfo(string pluginName)
+    {
+        string           pluginsDatabase  = File.ReadAllText(DiscordBotCore.Application.CurrentApplication.PluginDatabase);
+        List<PluginInfo> installedPlugins = await JsonManager.ConvertFromJson<List<PluginInfo>>(pluginsDatabase);
+        
+        var result = installedPlugins.Find(p => p.PluginName == pluginName);
+        
+        return result;
+    }
+
+    public async Task UpdatePlugin(string pluginName, IProgress<float>? progressMeter = null)
+    {
+        PluginOnlineInfo pluginInfo = await GetPluginInfo(pluginName);
+        await ServerCom.DownloadFileAsync(pluginInfo.DownLoadLink, $"{DiscordBotCore.Application.CurrentApplication.ApplicationEnvironmentVariables["PluginFolder"]}/{pluginName}.dll", progressMeter);
+        
+        foreach(OnlineDependencyInfo dependency in pluginInfo.Dependencies)
+            await ServerCom.DownloadFileAsync(dependency.DownloadLocation, dependency.DownloadLocation, progressMeter);
+
+        await _PluginsManager.RemovePluginFromDatabase(pluginName);
+        await _PluginsManager.AppendPluginToDatabase(PluginInfo.FromOnlineInfo(pluginInfo));
+    }
+
+    public async Task<bool> HasUpdate(string pluginName)
+    {
+        var localPluginInfo = await GetLocalPluginInfo(pluginName);
+        var pluginInfo = await GetPluginInfo(pluginName);
+
+        return pluginInfo.Version.IsNewerThan(localPluginInfo.PluginVersion);
+
+    }
+    
+}