Update to dotnet 9.0, add user roles, MatchStats and OpenApi/Scalar in dev

LaDOSE.Src/LaDOSE.Api/Controllers/StatisticsController.cs

@@ -0,0 +1,38 @@
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using AutoMapper;
+using LaDOSE.Business.Interface;
+using LaDOSE.DTO;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+
+namespace LaDOSE.Api.Controllers
+{
+    [Authorize]
+    [Produces("application/json")]
+    [Route("api/[controller]")]
+    public class StatisticsController : Controller
+    {
+        private readonly IStatisticsService _service;
+        private readonly IMapper _mapper;
+
+        public StatisticsController(IMapper mapper, IStatisticsService service)
+        {
+            _mapper = mapper;
+            _service = service;
+        }
+
+        /// <summary>
+        /// Match statistics for the given Event ids. Body is a bare JSON array of ids,
+        /// like TournamentController.GetResults.
+        /// A null or empty array returns a zeroed, empty MatchStatsDTO rather than an error.
+        /// Read Coverage before trusting the numbers: many brackets have no set rows at all.
+        /// </summary>
+        [HttpPost("Matches")]
+        public async Task<MatchStatsDTO> GetMatchStats([FromBody] List<int> ids)
+        {
+            var stats = await _service.GetMatchStats(ids);
+            return _mapper.Map<MatchStatsDTO>(stats);
+        }
+    }
+}