cs: create uapi project

extra/admin-api/Spacebar.UApi/Controllers/GuildMembersController.cs

@@ -0,0 +1,36 @@
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+using Spacebar.Interop.Authentication.AspNetCore;
+using Spacebar.Models.Db.Contexts;
+using Spacebar.DataMappings.Generic;
+using Spacebar.Models.Generic;
+
+namespace Spacebar.UApi.Controllers;
+
+[Route("/api/v{_}/guilds/{guildId}/members/")]
+public class GuildMembersController(ILogger<GuildMembersController> logger, SpacebarDbContext db, SpacebarAspNetAuthenticationService authService) : ControllerBase {
+    /// <summary>
+    ///     Get a guild member by ID
+    /// </summary>
+    /// <param name="guildId">Guild ID</param>
+    /// <param name="memberId">Member ID</param>
+    /// <returns>The public member projection</returns>
+    /// <exception cref="InvalidOperationException">An error has occured</exception>
+    [HttpGet("{memberId}")]
+    public async Task<Member> GetMemberAsync(string guildId, string memberId) {
+        var user = await authService.GetCurrentUserAsync(Request);
+        var cmember = db.Members.SingleOrDefault(x => x.Id == user.Id && x.GuildId == guildId);
+        if (cmember is null)
+            throw new InvalidOperationException("You are not a member of this guild.");
+
+        var member = db.Members
+            .Include(x => x.IdNavigation) // User object
+            .Include(x => x.Roles)
+            .SingleOrDefault(x => x.Id == user.Id && x.GuildId == guildId);
+
+        if (member is null)
+            throw new InvalidOperationException("Member not found");
+
+        return member.ToPublicMember();
+    }
+}