Split API into phase-specific endpoint files

Endpoints/VoteEndpoints.cs

@@ -0,0 +1,66 @@
+using GameList.Contracts;
+using GameList.Data;
+using GameList.Domain;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+
+namespace GameList.Endpoints;
+
+public static class VoteEndpoints
+{
+    public static void MapVoteEndpoints(this IEndpointRouteBuilder app)
+    {
+        app.MapGet("/api/votes/mine", async (HttpContext ctx, AppDbContext db) =>
+        {
+            var phase = await EndpointHelpers.GetPhase(db);
+            if (phase != Phase.Vote)
+                return EndpointHelpers.PhaseMismatch(Phase.Vote, phase);
+
+            var player = await EndpointHelpers.GetOrCreatePlayer(ctx, db);
+            var votes = await db.Votes.AsNoTracking()
+                .Where(v => v.PlayerId == player.Id)
+                .Select(v => new { v.SuggestionId, v.Score })
+                .ToListAsync();
+
+            return Results.Ok(votes);
+        });
+
+        app.MapPost("/api/votes", async ([FromBody] VoteRequest request, HttpContext ctx, AppDbContext db) =>
+        {
+            var phase = await EndpointHelpers.GetPhase(db);
+            if (phase != Phase.Vote)
+                return EndpointHelpers.PhaseMismatch(Phase.Vote, phase);
+
+            if (request.Score is < 0 or > 10)
+                return Results.BadRequest(new { error = "Score must be between 0 and 10." });
+
+            var player = await EndpointHelpers.GetOrCreatePlayer(ctx, db);
+
+            if (string.IsNullOrWhiteSpace(player.DisplayName))
+                return Results.BadRequest(new { error = "Set a display name before voting." });
+
+            var suggestionExists = await db.Suggestions.AnyAsync(s => s.Id == request.SuggestionId);
+            if (!suggestionExists)
+                return Results.BadRequest(new { error = "Suggestion not found." });
+
+            var vote = await db.Votes.FirstOrDefaultAsync(v => v.PlayerId == player.Id && v.SuggestionId == request.SuggestionId);
+            if (vote == null)
+            {
+                vote = new Vote
+                {
+                    PlayerId = player.Id,
+                    SuggestionId = request.SuggestionId,
+                    Score = request.Score
+                };
+                db.Votes.Add(vote);
+            }
+            else
+            {
+                vote.Score = request.Score;
+            }
+
+            await db.SaveChangesAsync();
+            return Results.Ok(new { vote.Id, vote.Score });
+        });
+    }
+}