RobotApp/RobotApp/Controllers/ImagesController.cs

using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;

namespace RobotApp.Controllers;

[Route("api/[controller]")]
[ApiController]
[AllowAnonymous]
public class ImagesController(Services.Logger<ImagesController> Logger) : ControllerBase
{
    [HttpGet]
    [Route("mapping")]
    public async Task<IActionResult> GetMapImage()
    {
        try
        {
            await Task.Delay(1);
            
            string fileName = "gara20250309.png";
            string filePath = Path.Combine("maps", fileName);
            
            if (System.IO.File.Exists(filePath))
            {
                byte[] imageBytes = await System.IO.File.ReadAllBytesAsync(filePath);
                return File(imageBytes, "image/png");
            }
            else
            {
                string mapsDir = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "maps");
                if (Directory.Exists(mapsDir))
                {
                    var pngFiles = Directory.GetFiles(mapsDir, "*.png");

                    return NotFound(new 
                    { 
                        error = "Map image not found",
                        searchPath = filePath,
                        mapsDirectory = mapsDir,
                        availableFiles = pngFiles.Select(Path.GetFileName).ToArray(),
                        baseDirectory = AppDomain.CurrentDomain.BaseDirectory
                    });
                }
                else
                {
                    Logger.Warning($"GetMapImage: Maps directory does not exist: {mapsDir}");
                    return NotFound(new 
                    { 
                        error = "Maps directory not found",
                        searchPath = mapsDir,
                        baseDirectory = AppDomain.CurrentDomain.BaseDirectory
                    });
                }
            }
        }
        catch (Exception ex)
        {
            Logger.Warning($"GetMapImage: Exception occurred - {ex.Message}");
            return StatusCode(500, new { error = "Internal server error", message = ex.Message, stackTrace = ex.StackTrace });
        }
    }
}