Add project files.

PluginManager/Online/Downloader.cs

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+using System;
+using System.IO;
+using System.Net;
+using System.Threading.Tasks;
+
+using PluginManager.Items;
+
+namespace PluginManager.Online
+{
+    public class Downloader
+    {
+        public bool isWorking { get; private set; }
+
+        public int percent { get; private set; }
+        private string fileName;
+        private string downloadLink;
+
+        public Downloader(string fileName, string fileLink)
+        {
+            this.downloadLink = fileLink;
+            this.fileName = fileName;
+        }
+
+
+        public async Task DownloadFileAsync(string location = @"./Downloads/", string? pluginType = null)
+        {
+            Directory.CreateDirectory(location);
+            if (isWorking) return;
+            isWorking = true;
+            percent = 0;
+
+            Spinner s = new Spinner();
+            Console.Write("Downloading:\t\t");
+            s.Start();
+
+#pragma warning disable SYSLIB0014
+            WebClient client = new WebClient();
+#pragma warning restore SYSLIB0014
+
+            client.DownloadFileCompleted += (sender, args) =>
+            {
+                isWorking = false;
+                s.Stop();
+                var c = Console.ForegroundColor;
+                Console.ForegroundColor = ConsoleColor.DarkGreen;
+                Console.Write("OK");
+                Console.ForegroundColor = c;
+                Console.Write(" !\n");
+                //Console.WriteLine("Your plugin has been successfully downloaded !");
+                if (pluginType == "Event/Command" || pluginType == "Command/Event")
+                {
+                    File.Copy(location + fileName, location + "Commands/" + fileName, true);
+                    File.Move(location + fileName, location + "Events/" + fileName, true);
+                }
+
+            };
+
+            string l = "";
+            if (pluginType == "Command")
+                l = location + "Commands/" + fileName;
+            else if (pluginType == "Event")
+                l = location + "Events/" + fileName;
+            else l = location + fileName;
+            try
+            {
+                await client.DownloadFileTaskAsync(new Uri(this.downloadLink), l);
+            }
+            catch
+            {
+                var c = Console.ForegroundColor;
+                Console.ForegroundColor = ConsoleColor.Red;
+                Console.Write("FAIL");
+                Console.ForegroundColor = c;
+                Console.Write(" !\n");
+            }
+
+
+
+        }
+
+    }
+}