add in import person and logic

API/FamilyTreeAPI/Controllers/FileUploadController.cs

@@ -0,0 +1,65 @@
+using FamilyTreeAPI.Entities;
+using FamilyTreeAPI.Repository;
+
+namespace FamilyTreeAPI.Controllers;
+
+
+using Microsoft.AspNetCore.Mvc;
+using System.IO;
+using System.Threading.Tasks;
+
+[ApiController]
+[Route("api/[controller]")]
+public class FileUploadController : ControllerBase
+{
+    private readonly IWebHostEnvironment _hostingEnvironment;
+    private readonly ImportPersonRepository _importPersonRepository;
+    public FileUploadController(IWebHostEnvironment hostingEnvironment,  ImportPersonRepository importPersonRepository)
+    {
+        _hostingEnvironment = hostingEnvironment;
+        _importPersonRepository = importPersonRepository;
+    }
+
+    [HttpPost("UploadFile")]
+    public async Task<IActionResult> UploadFile(IFormFile file)
+    {
+        List<CodeDto<string>> output = new ();
+        if (file == null || file.Length == 0)
+        {
+            return BadRequest("No file uploaded.");
+        }
+
+        try
+        {
+            // Define the upload directory
+           // var uploadsFolder = Path.Combine(_hostingEnvironment.WebRootPath, "uploads");
+           var uploadsFolder = Path.Combine(_hostingEnvironment.ContentRootPath, "uploads");
+            if (!Directory.Exists(uploadsFolder))
+            {
+                Directory.CreateDirectory(uploadsFolder);
+            }
+
+            // Create a unique file name to avoid overwriting
+            var uniqueFileName = Path.GetFileNameWithoutExtension(file.FileName)
+                                 + "_" + System.Guid.NewGuid().ToString()
+                                 + Path.GetExtension(file.FileName);
+            var filePath = Path.Combine(uploadsFolder, uniqueFileName);
+
+            // Save the file to the server
+            using (var stream = new FileStream(filePath, FileMode.Create))
+            {
+             //     await file.CopyToAsync(stream);
+                await file.CopyToAsync(stream);
+               output = await _importPersonRepository.ImportPerson(stream, "Sheet1");
+               
+            }
+
+            //return Ok(new { FileName = uniqueFileName, FilePath = filePath });
+            return Ok(output);
+        }
+        catch (System.Exception ex)
+        {
+            return StatusCode(500, $"Internal server error: {ex.Message}");
+        }
+    }
+}