Downloading files.

SecureSharing/Controllers/HomeController.cs

 using System.Text.Json;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.StaticFiles;
 using SecureSharing.Business.Dtos;
 using SecureSharing.Business.Interfaces;
 using SecureSharing.Data.Data;
     private readonly IMessageService _messageService;
     private readonly IModelFactory _modelFactory;
     private readonly IWebHostEnvironment _webHostEnvironment;
+    private const string DefaultPath = "files";
     
     public HomeController(ILogger<HomeController> logger, IMessageService messageService, IModelFactory modelFactory, IWebHostEnvironment webHostEnvironment)
     {
         
         var message = new MessageDto { Text = model.Text };
         
-        // var basePath = Path.Combine(_webHostEnvironment.WebRootPath.Split('/')[0], DefaultPath, message.Code.ToString());
-        var basePath = $"C:\\Users\\radivoje.milutinovic\\Downloads\\fajlovitmp\\{message.Code}";
-        
+        var basePath = Path.Combine(_webHostEnvironment.WebRootPath.Split('/')[0], DefaultPath, message.Code.ToString());
+        // var basePath = $"C:\\Users\\radivoje.milutinovic\\Downloads\\fajlovitmp\\{message.Code}";
         Directory.CreateDirectory(basePath);
-
+        
         foreach (var formFile in model.Files)
         {
             if (formFile.Length <= 0) continue;
         return RedirectToAction("Link", "Home", new { code = code, share = true });
     }
 
+    public async Task<FileStreamResult> Download(string filename, Guid code)
+    {
+        var path = Path.Combine(_webHostEnvironment.WebRootPath.Split('/')[0], DefaultPath, code.ToString(), filename);
+        var memory = new MemoryStream();
+        await using var stream = new FileStream(path, FileMode.Open);
+        await stream.CopyToAsync(memory);
+        memory.Position = 0;
+        string? contentType;
+        new FileExtensionContentTypeProvider().TryGetContentType(filename, out contentType);
+        return contentType is null ? null : File(memory, contentType,Path.GetFileName(path));
+        // Response.Redirect();
+    }
+
     [HttpGet]
     public async Task<IActionResult> Link(Guid code, bool? share)
     {

SecureSharing/Models/LinkModel.cs

     public MessageModel MessageModel { get; set; }
     public bool? Share { get; set; }
     public TimeSpan? TimeLeft { get; set; }
-
     public bool IsValid { get; set; }
 }

SecureSharing/Views/Home/Link.cshtml

             <div class="label-text link-show">
                 @foreach (var file in Model.MessageModel.FileNames)
                 {
-                    <p>@file</p>
+                    <a asp-action="Download" asp-route-filename="@file" asp-route-code="@Model.MessageModel.Code">@file</a>
                 }
             </div>
         }
             <div class="label-text link-show">
                 @foreach (var file in Model.MessageModel.FileNames)
                 {
-                    <p>@file</p>
+                    <a asp-action="Download" asp-route-filename="@file" asp-route-code="@Model.MessageModel.Code">@file</a>
                 }
             </div>
         }
 }
 
 <script>
-function copyToClipboard() {
+copyToClipboard = () => {
   // Get the text field
   const copyText = document.getElementById("a-link").innerText;
   
    // Copy the text inside the text field
   navigator.clipboard.writeText(copyText);
-
 }
 </script>