Add project files.

FaKrosnoApi/Controllers/ErrorLogController.cs

@@ -0,0 +1,25 @@
+using Microsoft.AspNetCore.Mvc;
+using SytelineSaAppEfDataModel.Dtos;
+using SytelineSaAppEfDataModel.Services;
+
+namespace FaKrosnoApi.Controllers
+{
+    [ApiController]
+    [Route("api/[controller]")]
+    public class ErrorLogController(IErrorLogService service) : Controller
+    {
+        [HttpGet]
+        public async Task<ActionResult<IEnumerable<ErrorLogDto>>> GetAll()
+        {
+            IEnumerable<ErrorLogDto?> errorLogs = await service.GetAll();
+            return Ok(errorLogs);
+        }
+
+        [HttpGet("by-order-number")]
+        public async Task<ActionResult<IEnumerable<ErrorLogDto>>> GetByCustomerOrderNumber([FromQuery] string customerOrderNumber)
+        {
+            var errorLogs = await service.GetByOrderNumber(customerOrderNumber);
+            return errorLogs.Any() ? Ok(errorLogs) : NotFound();
+        }
+    }
+}