feat(FileController): add control to get document

src/WorkFlow.API/Controllers/FileController.cs

@@ -0,0 +1,57 @@
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using System.Web;
+
+namespace WorkFlow.API.Controllers;
+
+[Route("api/[controller]")]
+[ApiController]
+[Authorize]
+public class FileController : ControllerBase
+{
+    [HttpGet("{path}")]
+    public IActionResult GetFile([FromRoute] string path, [FromQuery] bool icon = false)
+    {
+        string dPath = HttpUtility.UrlDecode(path);
+
+        byte[]? fileBytes = null;
+        string? contentType = null;      
+
+        if (dPath == "docs/doc1.pdf" && !icon)
+        {
+            fileBytes = Convert.FromBase64String(Base64File.Doc1Base64);
+            contentType = "application/pdf";
+        }
+        else if (dPath == "icons/icon1.png" && icon)
+        {
+            fileBytes = Convert.FromBase64String(Base64File.Icon1Base64);
+            contentType = "image/png";
+        }
+        else
+        {
+            string fullPath = Path.Combine(AppContext.BaseDirectory, "files", dPath);
+            if (!System.IO.File.Exists(fullPath))
+                return NotFound();
+
+            fileBytes = System.IO.File.ReadAllBytes(fullPath);
+            contentType = GetContentType(fullPath);
+        }
+
+        return File(fileBytes, contentType ?? "application/octet-stream");
+    }
+
+    private string GetContentType(string path)
+    {
+        var ext = Path.GetExtension(path).ToLowerInvariant();
+        return ext switch
+        {
+            ".pdf" => "application/pdf",
+            ".png" => "image/png",
+            ".jpg" => "image/jpeg",
+            ".jpeg" => "image/jpeg",
+            ".txt" => "text/plain",
+            ".docx" => "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
+            _ => "application/octet-stream",
+        };
+    }
+}

src/WorkFlow.API/appsettings.Mapping.json

@@ -8,7 +8,7 @@
     },
     "TfFileIconUri": {
       "Scheme": "https",
-      "Host": " dd-gan.digitaldata.works",
+      "Host": "dd-gan.digitaldata.works",
       "Port": 8443,
       "Path": "api/file",
       "Query": "icon=true"