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Merged
2dust merged 2 commits into from
Mar 1, 2026
Merged

Optimize #8862

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ec2367d
Relax group type restrictions
DHR60 Feb 28, 2026
fd57793
Optimize db read
DHR60 Feb 28, 2026
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Optimize db read
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@DHR60
DHR60 committed Mar 1, 2026
commit fd577933f2612d117b5adc3dc78dd6b8116b06f3
18 changes: 18 additions & 0 deletions v2rayN/ServiceLib/Manager/AppManager.cs
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Expand Up @@ -248,6 +248,24 @@ public async Task<Dictionary<string, ProfileItem>> GetProfileItemsByIndexIdsAsMa
return items.ToDictionary(it => it.IndexId);
}

public async Task<List<ProfileItem>> GetProfileItemsOrderedByIndexIds(IEnumerable<string> indexIds)
{
var idList = indexIds.Where(id => !id.IsNullOrEmpty()).Distinct().ToList();
if (idList.Count == 0)
{
Comment on lines +251 to +255
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Copilot AI Mar 1, 2026

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The method signature takes IEnumerable<string> indexIds, but several new call sites pass Select(sp => sp?.IndexId) which is naturally an IEnumerable<string?> and can contain nulls. Since the implementation already filters out null/empty ids, consider changing the parameter type to IEnumerable<string?> (or accepting nullable and guarding) to better reflect actual usage and avoid nullability mismatches.

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return [];
}

var items = await SQLiteHelper.Instance.TableAsync<ProfileItem>()
.Where(it => idList.Contains(it.IndexId))
.ToListAsync();
var itemMap = items.ToDictionary(it => it.IndexId);

return idList.Select(id => itemMap.GetValueOrDefault(id))
.Where(item => item != null)
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idList.Select(id => itemMap.GetValueOrDefault(id)).Where(item => item != null).ToList() relies on a null-filter to satisfy the List<ProfileItem> return type. To keep the non-null contract explicit (and resilient if nullable analysis is enabled later), consider using OfType<ProfileItem>() or null-forgiving after the filter so the resulting list is statically non-nullable.

Suggested change
.Where(item => item != null)
.OfType<ProfileItem>()

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@DHR60 DHR60 Mar 1, 2026

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这个刚开始的写法就是 .OfType<ProfileItem>() 来着，ReSharper 直接冒绿光让我改成 .Where(item => item != null)

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@2dust 2dust Mar 1, 2026

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按编辑器的提示吧。 ai 有时候会弄过时的方案

.ToList();
Comment on lines +253 to +266
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GetProfileItemsOrderedByIndexIds calls Distinct() on the incoming indexIds, which removes duplicate ids. Previously, call sites that built ordered lists (e.g., group ChildItems ordering) would preserve duplicates by iterating the original id list. If duplicates are meaningful (e.g., weighting / repeated nodes), this changes behavior; consider keeping the original idList for ordering and using a separate distinct set only for the DB query.

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@DHR60 DHR60 Mar 1, 2026

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这边就不去重了？

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@2dust 2dust Mar 1, 2026

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去重应该更合理些

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@2dust 2dust Mar 1, 2026

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但是是否存在一个可能，用户是故意添加的重复的呢？

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@DHR60 DHR60 Mar 1, 2026

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那就不改了

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@DHR60 DHR60 Mar 1, 2026

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并且这玩意也不是严格对应的，会跳过某些无效项，也不应该直接下标访问，注释没写

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@DHR60 DHR60 Mar 1, 2026

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但是是否存在一个可能，用户是故意添加的重复的呢？

先不管了吧，重复的没什么意义，有人说了再改吧

}

public async Task<ProfileItem?> GetProfileItemViaRemarks(string? remarks)
{
if (remarks.IsNullOrEmpty())
Expand Down
18 changes: 4 additions & 14 deletions v2rayN/ServiceLib/Manager/GroupProfileManager.cs
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Expand Up @@ -52,10 +52,10 @@ private static async Task<bool> HasCycle(string? indexId, ProtocolExtraItem? ext
return false;
}

foreach (var child in childIds)
var childItems = await AppManager.Instance.GetProfileItemsByIndexIds(childIds);
foreach (var childItem in childItems)
{
var childItem = await AppManager.Instance.GetProfileItem(child);
if (await HasCycle(child, childItem?.GetProtocolExtra(), visited, stack))
if (await HasCycle(childItem.IndexId, childItem?.GetProtocolExtra(), visited, stack))
{
return true;
}
Expand Down Expand Up @@ -103,17 +103,7 @@ private static async Task<List<ProfileItem>> GetSelectedChildProfileItems(Protoc
return [];
}

var profileMap = await AppManager.Instance.GetProfileItemsByIndexIdsAsMap(childProfileIds);

var ordered = new List<ProfileItem>(childProfileIds.Count);
foreach (var id in childProfileIds)
{
if (id != null && profileMap.TryGetValue(id, out var item) && item != null)
{
ordered.Add(item);
}
}

var ordered = await AppManager.Instance.GetProfileItemsOrderedByIndexIds(childProfileIds);
return ordered;
}

Expand Down
11 changes: 2 additions & 9 deletions v2rayN/ServiceLib/ViewModels/AddGroupServerViewModel.cs
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Expand Up @@ -99,15 +99,8 @@ public async Task Init()
Filter = protocolExtra?.Filter;

var childIndexIds = Utils.String2List(protocolExtra?.ChildItems) ?? [];
foreach (var item in childIndexIds)
{
var child = await AppManager.Instance.GetProfileItem(item);
if (child == null)
{
continue;
}
ChildItemsObs.Add(child);
}
var childItemList = await AppManager.Instance.GetProfileItemsOrderedByIndexIds(childIndexIds);
ChildItemsObs.AddRange(childItemList);
}

public async Task ChildRemoveAsync()
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14 changes: 1 addition & 13 deletions v2rayN/ServiceLib/ViewModels/ProfilesSelectViewModel.cs
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Expand Up @@ -255,19 +255,7 @@ public async Task RefreshSubscriptions()
{
return null;
}
var lst = new List<ProfileItem>();
foreach (var sp in SelectedProfiles)
{
if (string.IsNullOrEmpty(sp?.IndexId))
{
continue;
}
var item = await AppManager.Instance.GetProfileItem(sp.IndexId);
if (item != null)
{
lst.Add(item);
}
}
var lst = await AppManager.Instance.GetProfileItemsOrderedByIndexIds(SelectedProfiles.Select(sp => sp?.IndexId));
if (lst.Count == 0)
{
NoticeManager.Instance.Enqueue(ResUI.PleaseSelectServer);
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9 changes: 1 addition & 8 deletions v2rayN/ServiceLib/ViewModels/ProfilesViewModel.cs
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Expand Up @@ -456,14 +456,7 @@ from t33 in t3b.DefaultIfEmpty()
var orderProfiles = SelectedProfiles?.OrderBy(t => t.Sort);
if (latest)
{
foreach (var profile in orderProfiles)
{
var item = await AppManager.Instance.GetProfileItem(profile.IndexId);
if (item is not null)
{
lstSelected.Add(item);
}
}
lstSelected.AddRange(await AppManager.Instance.GetProfileItemsOrderedByIndexIds(orderProfiles.Select(sp => sp?.IndexId)));
}
else
{
Expand Down