From cbabc4886cc7b94abca634ca618525fb32eb5cad Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bart=C5=82omiej=20Dach?= <dach.bartlomiej@gmail.com>
Date: Sat, 23 Jul 2022 17:25:11 +0200
Subject: [PATCH] Convert `ModPreset` to realm object

---
 osu.Game/Rulesets/Mods/ModPreset.cs | 46 +++++++++++++++++++++++++++--
 1 file changed, 43 insertions(+), 3 deletions(-)

diff --git a/osu.Game/Rulesets/Mods/ModPreset.cs b/osu.Game/Rulesets/Mods/ModPreset.cs
index 367acc8a91..2c3f574d47 100644
--- a/osu.Game/Rulesets/Mods/ModPreset.cs
+++ b/osu.Game/Rulesets/Mods/ModPreset.cs
@@ -3,6 +3,12 @@
 
 using System;
 using System.Collections.Generic;
+using System.Linq;
+using Newtonsoft.Json;
+using osu.Framework.Extensions.ObjectExtensions;
+using osu.Game.Database;
+using osu.Game.Online.API;
+using Realms;
 
 namespace osu.Game.Rulesets.Mods
 {
@@ -10,12 +16,18 @@ namespace osu.Game.Rulesets.Mods
     /// A mod preset is a named collection of configured mods.
     /// Presets are presented to the user in the mod select overlay for convenience.
     /// </summary>
-    public class ModPreset
+    public class ModPreset : RealmObject, IHasGuidPrimaryKey, ISoftDelete
     {
+        /// <summary>
+        /// The internal database ID of the preset.
+        /// </summary>
+        [PrimaryKey]
+        public Guid ID { get; set; } = Guid.NewGuid();
+
         /// <summary>
         /// The ruleset that the preset is valid for.
         /// </summary>
-        public RulesetInfo RulesetInfo { get; set; } = null!;
+        public RulesetInfo Ruleset { get; set; } = null!;
 
         /// <summary>
         /// The name of the mod preset.
@@ -30,6 +42,34 @@ namespace osu.Game.Rulesets.Mods
         /// <summary>
         /// The set of configured mods that are part of the preset.
         /// </summary>
-        public ICollection<Mod> Mods { get; set; } = Array.Empty<Mod>();
+        [Ignored]
+        public ICollection<Mod> Mods
+        {
+            get
+            {
+                if (string.IsNullOrEmpty(ModsJson))
+                    return Array.Empty<Mod>();
+
+                var apiMods = JsonConvert.DeserializeObject<IEnumerable<APIMod>>(ModsJson);
+                var ruleset = Ruleset.CreateInstance();
+                return apiMods.AsNonNull().Select(mod => mod.ToMod(ruleset)).ToArray();
+            }
+            set
+            {
+                var apiMods = value.Select(mod => new APIMod(mod)).ToArray();
+                ModsJson = JsonConvert.SerializeObject(apiMods);
+            }
+        }
+
+        /// <summary>
+        /// The set of configured mods that are part of the preset, serialised as a JSON blob.
+        /// </summary>
+        [MapTo("Mods")]
+        public string ModsJson { get; set; } = string.Empty;
+
+        /// <summary>
+        /// Whether the preset has been soft-deleted by the user.
+        /// </summary>
+        public bool DeletePending { get; set; }
     }
 }