Puzzles

SVSim.Database/Repositories/Globals/PuzzleCatalogRepository.cs

@@ -0,0 +1,31 @@
+using Microsoft.EntityFrameworkCore;
+using SVSim.Database.Models;
+
+namespace SVSim.Database.Repositories.Globals;
+
+public class PuzzleCatalogRepository : IPuzzleCatalogRepository
+{
+    private readonly SVSimDbContext _db;
+    public PuzzleCatalogRepository(SVSimDbContext db) => _db = db;
+
+    public Task<List<PuzzleGroupEntry>> GetAllGroupsWithPuzzles() =>
+        _db.PuzzleGroups
+            .Include(g => g.Puzzles)
+            .AsNoTracking()
+            .AsSplitQuery()   // avoid the cartesian-explode pitfall (CLAUDE.md)
+            .OrderBy(g => g.Id)
+            .ToListAsync();
+
+    public Task<PuzzleGroupEntry?> GetGroupWithPuzzles(int puzzleMasterId) =>
+        _db.PuzzleGroups
+            .Include(g => g.Puzzles)
+            .AsNoTracking()
+            .FirstOrDefaultAsync(g => g.Id == puzzleMasterId);
+
+    public Task<List<PuzzleMissionEntry>> GetAllMissionsOrdered() =>
+        _db.PuzzleMissions
+            .AsNoTracking()
+            .OrderBy(m => m.OrderId)
+            .ThenByDescending(m => m.CampaignCommenceTime)
+            .ToListAsync();
+}