created SurveyController for tests

SurveyBackend/SurveyBackend.API/Controllers/SurveyController.cs

@@ -0,0 +1,46 @@
+using Microsoft.AspNetCore.Mvc;
+using SurveyLib.Core.Models;
+using SurveyLib.Core.Services;
+using SurveyLib.Infrastructure.EFCore.Services;
+
+namespace SurveyBackend.Controllers;
+
+[ApiController]
+[Route("api/surveys")]
+public class SurveyController : ControllerBase
+{
+    private readonly ISurveyService _surveyService;
+
+    public SurveyController(ISurveyService surveyService)
+    {
+        _surveyService = surveyService;
+    }
+
+    [HttpGet]
+    public async Task<IActionResult> Get()
+    {
+        var result = await _surveyService.GetSurveysAsync();
+        return Ok(result);
+    }
+
+    [HttpGet("{id}")]
+    public async Task<IActionResult> Get(int id)
+    {
+        var result = await _surveyService.GetSurveyAsync(id);
+        return result is not null ? Ok(result) : NotFound();
+    }
+
+    [HttpPost]
+    public async Task<IActionResult> Post([FromBody] Survey survey)
+    {
+        await _surveyService.AddSurveyAsync(survey);
+        return Ok();
+    }
+
+    [HttpDelete("{id}")]
+    public async Task<IActionResult> Delete(int id)
+    {
+        await _surveyService.DeleteSurveyAsync(id);
+        return Ok();
+    }
+}