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Change ToMod to return an UnknownMod rather than throw if a mod isn't available

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As seen by this kind of crash, having the `.ToMod` method throw can be
very problematic and also hidden (as it is used inside of models in
places where exceptions are not expected to occur).

Given there are tens of usages of this method, returning a placeholder
mod seems like a better idea than outright throwing.

```
 An unhandled has occurred.
 System.InvalidOperationException:
There is no mod in the ruleset (osu) matching the acronym AS.
 at osu.Game.Online.API.APIMod.ToMod(Ruleset ruleset) in /Users/dean/Projects/osu/osu.Game/Online/API/APIMod.cs:line 54
 at osu.Game.Scoring.ScoreInfo.<get_Mods>b__117_0(APIMod m) in /Users/dean/Projects/osu/osu.Game/Scoring/ScoreInfo.cs:line 193
 at System.Linq.Enumerable.SelectArrayIterator`2.ToArray()
 at osu.Game.Scoring.ScoreInfo.get_Mods() in /Users/dean/Projects/osu/osu.Game/Scoring/ScoreInfo.cs:line 193
 at osu.Game.Screens.Select.Leaderboards.BeatmapLeaderboard.<>c.<subscribeToLocalScores>b__40_2(ScoreInfo s) in /Users/dean/Projects/osu/osu.Game/Screens/Select/Leaderboards/BeatmapLeaderboard.cs:line 199
 at System.Linq.Enumerable.WhereEnumerableIterator`1.MoveNext()
 at osu.Game.Database.RealmObjectExtensions.Detach[T](IEnumerable`1 items) in /Users/dean/Projects/osu/osu.Game/Database/RealmObjectExtensions.cs:line 180
 at osu.Game.Screens.Select.Leaderboards.BeatmapLeaderboard.<>c__DisplayClass40_0.<subscribeToLocalScores>g__localScoresChanged|1(IRealmCollection`1 sender, ChangeSet changes, Exception exception) in /Users/dean/Projects/osu/osu.Game/Screens/Select/Leaderboards/BeatmapLeaderboard.cs:line
209
 at Realms.RealmCollectionBase`1.Realms.INotifiable<Realms.NotifiableObjectHandleBase.CollectionChangeSet>.NotifyCallbacks(Nullable`1 changes, Nullable`1 exception)
 at Realms.NotifiableObjectHandleBase.NotifyObjectChanged(IntPtr managedHandle, IntPtr changes, IntPtr exception)
```
This commit is contained in:
Dean Herbert
2022-03-09 17:13:51 +09:00
parent aad9e856b1
commit 0267aed846
3 changed files with 47 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
osu.Game/Online/API/APIMod.cs
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@ -8,6 +8,7 @@ using Humanizer;
using MessagePack;
using Newtonsoft.Json;
using osu.Framework.Bindables;
using osu.Framework.Logging;
using osu.Game.Configuration;
using osu.Game.Rulesets;
using osu.Game.Rulesets.Mods;
@ -51,7 +52,10 @@ namespace osu.Game.Online.API
Mod resultMod = ruleset.CreateModFromAcronym(Acronym);
if (resultMod == null)
throw new InvalidOperationException($"There is no mod in the ruleset ({ruleset.ShortName}) matching the acronym {Acronym}.");
{
Logger.Log($"There is no mod in the ruleset ({ruleset.ShortName}) matching the acronym {Acronym}.");
return new UnknownMod(Acronym);
}
if (Settings.Count > 0)
{
@ -98,4 +102,5 @@ namespace osu.Game.Online.API
public int GetHashCode(KeyValuePair<string, object> obj) => HashCode.Combine(obj.Key, ModUtils.GetSettingUnderlyingValue(obj.Value));
}
}
}