Story

SVSim.Database/Repositories/Story/StoryMasterRepository.cs

@@ -0,0 +1,49 @@
+using Microsoft.EntityFrameworkCore;
+using SVSim.Database.Entities.Story;
+
+namespace SVSim.Database.Repositories.Story;
+
+public class StoryMasterRepository : IStoryMasterRepository
+{
+    private readonly SVSimDbContext _db;
+    public StoryMasterRepository(SVSimDbContext db) { _db = db; }
+
+    public Task<List<StorySection>> GetSectionsByFamilyAsync(StoryApiType apiType)
+    {
+        var families = apiType == StoryApiType.AllStory
+            ? new[] { StoryApiType.Main }   // AllStory effectively returns Main per spec
+            : new[] { apiType };
+        return _db.StorySections.Where(s => families.Contains(s.StoryApiType))
+                                .OrderBy(s => s.AllStoryOrderId)
+                                .ToListAsync();
+    }
+
+    public Task<List<StoryWorld>> GetWorldsForSectionsAsync(IEnumerable<int> worldIds)
+        => _db.StoryWorlds.Where(w => worldIds.Contains(w.Id)).ToListAsync();
+
+    public Task<List<StoryChapter>> GetChaptersBySectionCharaAsync(int sectionId, int charaId)
+        => _db.StoryChapters
+              .Include(c => c.BattleSettings).Include(c => c.Rewards).Include(c => c.SubChapters)
+              .Where(c => c.SectionId == sectionId && c.CharaId == charaId)
+              .ToListAsync();
+
+    // No Includes — the rollup only reads SectionId/CharaId/StoryId. Including the three owned
+    // collections here would cartesian-explode across ~677 chapters and turn a single query into
+    // a multi-MB result set.
+    public Task<List<StoryChapter>> GetChaptersBySectionsAsync(IEnumerable<int> sectionIds)
+    {
+        var ids = sectionIds.ToList();
+        return _db.StoryChapters
+                  .AsNoTracking()
+                  .Where(c => ids.Contains(c.SectionId))
+                  .ToListAsync();
+    }
+
+    public Task<StoryChapter?> GetChapterByIdAsync(int storyId)
+        => _db.StoryChapters
+              .Include(c => c.BattleSettings).Include(c => c.Rewards).Include(c => c.SubChapters)
+              .FirstOrDefaultAsync(c => c.StoryId == storyId);
+
+    public Task<SpecialBattleSetting?> GetSbsByIdAsync(int sbsId)
+        => _db.SpecialBattleSettings.FirstOrDefaultAsync(s => s.Id == sbsId);
+}