[Bot] Add basic support for alias

Bot/Clash/Coc.cs

@@ -264,6 +264,12 @@ private static async Task CheckDonationsAsync(ClanUtil clan)
         return result?.Tag;
     }
 
+    internal static ClanMember? TryGetMember(string id)
+    {
+        Clan._members.TryGetValue(id, out ClanMember? result);
+        return result;
+    }
+
     internal static ClanMember GetMember(string id) => Clan._members[id];
 
     internal static HashSet<ClanCapitalRaidSeasonAttacker> GetRaidAttackers(ClanCapitalRaidSeason season)

Bot/Discord/Cmds.cs

@@ -91,22 +91,22 @@ public async Task LinkAsync(Member coc, IGuildUser discord)
         await RespondAsync("Linked");
     }
 
-    [SlashCommand("info", "Shows info of a Coc member")]
-    public async Task InfoAsync(Member member)
+    [SlashCommand("info", "Shows info of a clan member")]
+    public async Task InfoAsync(Member clanMember)
     {
-        ClanMember cocMem = Coc.GetMember(member.CocId);
+        ClanMember cocMem = Coc.GetMember(clanMember.CocId);
 
         EmbedBuilder embed = new()
         {
             Title = cocMem.Name,
             Author = new EmbedAuthorBuilder { Name = cocMem.Tag }
         };
 
-        Alt? alt = member.TryToAlt();
+        Alt? alt = clanMember.TryToAlt();
         if (alt == null)
         {
-            embed.Description = string.Join(", ", member.GetAltsByMain().Select(a => Coc.GetMember(a.AltId).Name));
-            Main main = member.ToMain();
+            embed.Description = string.Join(", ", clanMember.GetAltsByMain().Select(a => Coc.GetMember(a.AltId).Name));
+            Main main = clanMember.ToMain();
             if (main.Discord != null)
             {
                 embed.AddField("Discord", $"<@{main.Discord}>");
@@ -129,4 +129,32 @@ public async Task InfoAsync(Member member)
 
         await RespondAsync(embed: embed.Build());
     }
+
+    [RequireAdmin]
+    [SlashCommand("alias", "Sets an alias for a Coc member")]
+    public async Task AliasAsync(string alias, Member member)
+    {
+        bool success = Db.AddAlias(alias, member);
+        if (success)
+        {
+            await RespondAsync($"`{alias}` is now an alias of `{member.GetName()}`");
+        }
+        else
+        {
+            await RespondAsync("Failed to add alias.");
+        }
+    }
+
+    [SlashCommand("aliases", "Lists all aliases")]
+    public async Task AliasesAsync()
+    {
+        string msg = "";
+        foreach (CocMemberAlias alias in Db.GetAliases())
+        {
+            ClanMember? clanMember = Coc.TryGetMember(alias.CocId);
+            string name = clanMember == null ? "" : clanMember.Name;
+            msg += $"{alias.Alias} -> {name} {alias.CocId}\n";
+        }
+        await RespondAsync(msg);
+    }
 }

Bot/Discord/MemberConverter.cs

@@ -12,6 +12,7 @@ internal sealed class MemberConverter : TypeConverter
     public override Task<TypeConverterResult> ReadAsync(IInteractionContext context, IApplicationCommandInteractionDataOption option, IServiceProvider services)
     {
         string input = (string)option.Value;
+        // Console.WriteLine($"\"{input}\"");
         Member? member = Db.GetMember(input);
         if (member == null)
         {
@@ -22,8 +23,11 @@ public override Task<TypeConverterResult> ReadAsync(IInteractionContext context,
             }
         }
         return member == null
-            ? Task.FromResult(TypeConverterResult.FromError(InteractionCommandError.ConvertFailed,
-                                                                 $"Invalid `{option.Name}`: To specify a clan member, enter his name/ID with #"))
+            ? Task.FromResult(TypeConverterResult.FromError(
+                InteractionCommandError.ConvertFailed,
+                @$"Invalid `{option.Name}`. To specify a clan member:
+* Enter his name (非速本主義Arkyo), alias (Arkyo) or ID with # (#28QL0CJV2)
+* Mention his Discord (@Dim) __which will refer to his main__"))
             : Task.FromResult(TypeConverterResult.FromSuccess(member));
     }
 }

Bot/Sql/Alias.cs

@@ -0,0 +1,15 @@
+using SQLite;
+
+namespace Hyperstellar.Sql;
+
+[Table("Alias")]
+public sealed class CocMemberAlias(string alias, string cocId)
+{
+    [PrimaryKey, NotNull]
+    public string Alias { get; set; } = alias;
+
+    [NotNull]
+    public string CocId { get; set; } = cocId;
+
+    public CocMemberAlias() : this("", "") { }
+}

Bot/Sql/Db.cs

@@ -41,6 +41,15 @@ internal static bool AddAdmin(ulong id)
         return count == 1;
     }
 
+    internal static IEnumerable<CocMemberAlias> GetAliases() => s_db.Table<CocMemberAlias>();
+
+    internal static bool AddAlias(string alias, Member member)
+    {
+        CocMemberAlias cocMemberAlias = new(alias, member.CocId);
+        int count = s_db.Insert(cocMemberAlias);
+        return count == 1;
+    }
+
     internal static async Task InitAsync()
     {
         s_db.BeginTransaction();