initial commit

CityInfo.API/Controllers/CitiesController.cs

@@ -0,0 +1,63 @@
+using AutoMapper;
+using CityInfo.API.Models;
+using CityInfo.API.Services;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Http.HttpResults;
+using Microsoft.AspNetCore.Mvc;
+using System.Text.Json;
+
+namespace CityInfo.API.Controllers
+{
+    [ApiController]
+    [Authorize]
+    [Route("api/cities")]
+    public class CitiesController: ControllerBase
+    {
+        private readonly ICityInfoRepository _cityInfoRepository;
+        private readonly IMapper _mapper;
+        const int maximumPageSize = 20;
+
+        public CitiesController(
+            ICityInfoRepository cityInfoRepository,
+            IMapper mapper)
+        {
+            _cityInfoRepository = cityInfoRepository ?? throw new ArgumentNullException(nameof(cityInfoRepository));
+            _mapper = mapper ?? throw new ArgumentNullException(nameof(mapper));
+        }
+        [HttpGet()]
+        public async Task<ActionResult<IEnumerable<CityWithoutPointsOfInterestDto>>> GetCities(
+            string? name, string? searchQuery, int pageNumber = 1, int pageSize = 10)
+        {
+            if(pageSize > maximumPageSize)
+            {
+                pageSize = maximumPageSize;
+            }
+
+            var (cityEntities, paginationMetaData) = await _cityInfoRepository
+                .GetCitiesAsync(name, searchQuery,pageNumber, pageSize);
+
+            Response.Headers.Append("X-Pagination", JsonSerializer.Serialize(paginationMetaData));
+
+            return Ok(_mapper.Map<IEnumerable<CityWithoutPointsOfInterestDto>>(cityEntities));
+        }
+
+        [HttpGet("{id}")]
+        public async Task<IActionResult> GetCity(int id, bool includePointsOfInterest = false)
+        {
+            var city = await _cityInfoRepository.GetCityAsync(id, includePointsOfInterest);
+
+            if (city == null)
+            {
+                return NotFound();
+            }
+
+            if (includePointsOfInterest)
+            {
+                return Ok(_mapper.Map<CityDto>(city));
+            }
+
+            return Ok(_mapper.Map<CityWithoutPointsOfInterestDto>(city));
+        }
+
+    }
+}