fix(aurora): add a softban type

aurora/models/moderation_types.py

@@ -245,6 +245,63 @@ class Tempban(Ban):
         await send_evidenceformat(ctx, moderation.id)
         return cls
 
+@type_registry.register(key="softban")
+class Softban(Type):
+    key="softban"
+    string="softban"
+    verb="softbanned"
+
+    @classmethod
+    async def handler(cls, ctx: commands.Context, target: Member | User, silent: bool, reason: str = None, delete_messages: app_commands.Choice | None = None) -> 'Softban':
+        """Softban a user."""
+        bot = ctx.bot
+        try:
+            await ctx.guild.fetch_ban(target)
+            await ctx.send(content=error(f"{target.mention} is already {Ban.verb}!"), ephemeral=True)
+        except NotFound:
+            pass
+
+        if delete_messages is None:
+            delete_messages_seconds = 0
+        else:
+            delete_messages_seconds = delete_messages.value
+
+        response_message = await ctx.send(f"{target.mention} has been {cls.verb}!\n{bold('Reason:')} {inline(reason)}")
+
+        if silent is False:
+            try:
+                embed = await message_factory(
+                    bot,
+                    await bot.get_embed_color(ctx.channel),
+                    ctx.guild,
+                    reason,
+                    cls(),
+                    ctx.author,
+                    None,
+                    response_message
+                )
+                await target.send(embed=embed, file=get_icon(bot))
+            except HTTPException:
+                pass
+
+        await ctx.guild.ban(target, reason=f"{str.title(cls.verb)} by {ctx.author.id} for: {reason}", delete_message_seconds=delete_messages_seconds)
+        await ctx.guild.unban(target, reason=f"Softban by {ctx.author.id} for: {reason}")
+        moderation = await Moderation.log(
+            bot,
+            ctx.guild.id,
+            ctx.author.id,
+            cls(),
+            'user',
+            target.id,
+            None,
+            None,
+            reason
+        )
+        await response_message.edit(content=f"{target.mention} has been {cls.verb}! (Case {inline(f'#{moderation.id}')})\n{bold('Reason:')} {inline(reason)}")
+        await log(ctx, moderation.id)
+        await send_evidenceformat(ctx, moderation.id)
+        return cls
+
 @type_registry.register(key="unban")
 class Unban(Type):
     key="unban"