Fix everyone role mention (#31)

* Fix everyone role mention

* Add tests

Author: gehongyan

src/Kook.Net.Core/Utils/MentionUtils.cs

@@ -61,6 +61,18 @@ public static class MentionUtils
     /// <returns> 格式化为 KMarkdown 的角色提及字符串。 </returns>
     public static string KMarkdownMentionRole(uint id) => KMarkdownMentionRole(id.ToString());
 
+    /// <summary>
+    ///     返回 KMarkdown 格式化全体成员提及字符串。
+    /// </summary>
+    /// <returns> 格式化为 KMarkdown 的全体成员提及字符串。 </returns>
+    public static string KMarkdownMentionEveryone() => "(met)all(met)";
+
+    /// <summary>
+    ///     返回 KMarkdown 格式化在线成员提及字符串。
+    /// </summary>
+    /// <returns> 格式化为 KMarkdown 的在线成员提及字符串。 </returns>
+    public static string KMarkdownMentionHere() => "(met)here(met)";
+
     internal static string PlainTextMentionUser(string username, string id) => $"@{username}#{id}";
 
     /// <summary>
@@ -86,6 +98,18 @@ public static string PlainTextMentionUser(string username, ulong id) =>
     /// <returns> 格式化为纯文本的角色提及字符串。 </returns>
     public static string PlainTextMentionRole(uint id) => PlainTextMentionRole(id.ToString());
 
+    /// <summary>
+    ///     返回纯文本格式化全体成员提及字符串。
+    /// </summary>
+    /// <returns> 格式化为纯文本的全体成员提及字符串。 </returns>
+    public static string PlainTextMentionEveryone() => "@全体成员";
+
+    /// <summary>
+    ///     返回纯文本格式化在线成员提及字符串。
+    /// </summary>
+    /// <returns> 格式化为纯文本的在线成员提及字符串。 </returns>
+    public static string PlainTextMentionHere() => "@在线成员";
+
     /// <summary>
     ///     将指定的用户提及字符串解析为用户 ID。
     /// </summary>

src/Kook.Net.Rest/Entities/Roles/RestRole.cs

@@ -47,10 +47,10 @@ public class RestRole : RestEntity<uint>, IRole
     public bool IsEveryone => Id == 0;
 
     /// <inheritdoc />
-    public string KMarkdownMention => IsEveryone ? "(met)all(met)" : MentionUtils.KMarkdownMentionRole(Id);
+    public string KMarkdownMention => IsEveryone ? MentionUtils.KMarkdownMentionEveryone() : MentionUtils.KMarkdownMentionRole(Id);
 
     /// <inheritdoc />
-    public string PlainTextMention => IsEveryone ? "@全体成员" : MentionUtils.PlainTextMentionRole(Id);
+    public string PlainTextMention => IsEveryone ? MentionUtils.PlainTextMentionEveryone() : MentionUtils.PlainTextMentionRole(Id);
 
     internal RestRole(BaseKookClient kook, IGuild guild, uint id)
         : base(kook, id)

src/Kook.Net.WebSocket/Entities/Roles/SocketRole.cs

@@ -50,10 +50,10 @@ public class SocketRole : SocketEntity<uint>, IRole
     public bool IsEveryone => Id == 0;
 
     /// <inheritdoc />
-    public string KMarkdownMention => IsEveryone ? MentionUtils.KMarkdownMentionRole("all") : MentionUtils.KMarkdownMentionRole(Id);
+    public string KMarkdownMention => IsEveryone ? MentionUtils.KMarkdownMentionEveryone() : MentionUtils.KMarkdownMentionRole(Id);
 
     /// <inheritdoc />
-    public string PlainTextMention => IsEveryone ? "@全体成员" : MentionUtils.PlainTextMentionRole(Id);
+    public string PlainTextMention => IsEveryone ? MentionUtils.PlainTextMentionEveryone() : MentionUtils.PlainTextMentionRole(Id);
 
     /// <summary>
     ///     获取拥有此角色的所有用户。

test/Kook.Net.Tests.Unit/MentionUtilsTests.cs

@@ -48,6 +48,28 @@ public void MentionRole()
         Assert.Equal("(rol)123(rol)", MentionUtils.KMarkdownMentionRole("123"));
     }
 
+    /// <summary>
+    ///     Tests <see cref="MentionUtils.PlainTextMentionEveryone"/>
+    ///     and <see cref="MentionUtils.KMarkdownMentionEveryone"/>
+    /// </summary>
+    [Fact]
+    public void MentionEveryone()
+    {
+        Assert.Equal("@全体成员", MentionUtils.PlainTextMentionEveryone());
+        Assert.Equal("(met)all(met)", MentionUtils.KMarkdownMentionEveryone());
+    }
+
+    /// <summary>
+    ///     Tests <see cref="MentionUtils.PlainTextMentionHere"/>
+    ///     and <see cref="MentionUtils.KMarkdownMentionHere"/>
+    /// </summary>
+    [Fact]
+    public void MentionHere()
+    {
+        Assert.Equal("@在线成员", MentionUtils.PlainTextMentionHere());
+        Assert.Equal("(met)here(met)", MentionUtils.KMarkdownMentionHere());
+    }
+
     [Theory]
     [InlineData("@test_username#123", TagMode.PlainText, 123)]
     [InlineData("(met)123(met)", TagMode.KMarkdown, 123)]