the files

2026-10-14 06:59:51 +02:00
parent f6175893fc
commit 2040419525
1855 changed files with 6735668 additions and 0 deletions
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+using LiteDB;
+
+namespace Campus_live_rewrite.api.dbs
+{
+    /// <summary>
+    /// A player's own curated lists (the Lists service's `list` table in the reference): the
+    /// Play menu's "Saved for Later" row is `__SavedForLater_Rooms` (type 1, room ids), created by
+    /// the client itself through PUT /lists/curatedlists/{name}/items/{itemId}/createlistifneeded.
+    /// One list per (owner, type, name).
+    /// </summary>
+    public static class CuratedListDB
+    {
+        private static readonly Lazy<LiteDatabase> _db = new(() => new LiteDatabase(Path.Combine("Data", "DBs", "CuratedLists.db")));
+
+        public class PlayerList
+        {
+            [BsonId] public long ListId { get; set; }
+            public ulong CreatorAccountId { get; set; }
+            public string Name { get; set; } = "";
+            public int Type { get; set; } = 1;
+            public int Accessibility { get; set; } = 0;
+            public List<string> ItemIds { get; set; } = new();
+            public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+        }
+
+        private static ILiteCollection<PlayerList> Col()
+        {
+            var c = _db.Value.GetCollection<PlayerList>("lists");
+            c.EnsureIndex(x => x.CreatorAccountId);
+            return c;
+        }
+
+        /// <summary>
+        /// A stable id for (owner, type, name) - the same list has the same id before and after it
+        /// is created, so a read that answers a not-yet-created reserved list (`__SavedForLater_Rooms`)
+        /// hands out the id the later write will use. Positive, 63-bit.
+        /// </summary>
+        public static long IdFor(ulong owner, int type, string name)
+        {
+            unchecked
+            {
+                ulong h = 1469598103934665603UL;
+                foreach (char ch in (name ?? "").ToLowerInvariant()) { h ^= ch; h *= 1099511628211UL; }
+                h ^= (ulong)type; h *= 1099511628211UL;
+                h ^= owner; h *= 1099511628211UL;
+                return (long)(h & 0x7FFF_FFFF_FFFF_FFFFUL) | 1L;
+            }
+        }
+
+        public static PlayerList? Get(ulong owner, int type, string name) =>
+            Col().FindById(IdFor(owner, type, name));
+
+        public static PlayerList? GetById(long listId) => Col().FindById(listId);
+
+        public static PlayerList AddItem(ulong owner, int type, string name, int accessibility, string itemId)
+        {
+            var col = Col();
+            long id = IdFor(owner, type, name);
+            var list = col.FindById(id) ?? new PlayerList
+            {
+                ListId = id, CreatorAccountId = owner, Name = name, Type = type, Accessibility = accessibility, CreatedAt = DateTime.UtcNow
+            };
+            if (!list.ItemIds.Contains(itemId)) list.ItemIds.Add(itemId);
+            col.Upsert(list);
+            return list;
+        }
+
+        public static PlayerList? RemoveItem(ulong owner, int type, string name, string itemId)
+        {
+            var col = Col();
+            var list = col.FindById(IdFor(owner, type, name));
+            if (list == null) return null;
+            list.ItemIds.RemoveAll(x => x == itemId);
+            col.Update(list);
+            return list;
+        }
+    }
+}