From 2f8ed139803f6f251b5de42564ad60e4ccbcb30c Mon Sep 17 00:00:00 2001
From: Shubham Patel <shubhamprecious1@gmail.com>
Date: Thu, 12 Oct 2023 21:40:55 +0530
Subject: [PATCH] update fix #206

---
 aiogram/filters/command.py         | 19 +++++--------------
 tests/test_filters/test_command.py |  2 +-
 2 files changed, 6 insertions(+), 15 deletions(-)

diff --git a/aiogram/filters/command.py b/aiogram/filters/command.py
index d5fcef27..acaf2a04 100644
--- a/aiogram/filters/command.py
+++ b/aiogram/filters/command.py
@@ -78,17 +78,6 @@ class Command(Filter):
                 " or their Iterable"
             )
 
-        prefixes = []
-        for char in prefix:
-            if char not in prefixes:
-                prefixes.append(char)
-
-        operations = {
-            BotCommand: lambda cmd, prefix: cmd.command.lstrip(prefix),
-            re.Pattern: lambda cmd, prefix: re.compile(cmd.pattern.lstrip(prefix)),
-            str: lambda cmd, prefix: cmd.lstrip(prefix),
-        }
-
         items = []
         for command in (*values, *commands):
             if isinstance(command, BotCommand):
@@ -100,9 +89,8 @@ class Command(Filter):
                 )
             if ignore_case and isinstance(command, str):
                 command = command.casefold()
-            for individual_prefix in prefixes:
-                if isinstance(command, (str, BotCommand, re.Pattern)):
-                    command = operations[type(command)](command, individual_prefix)
+                for individual_prefix in prefix:
+                    command = command.lstrip(individual_prefix)
             items.append(command)
 
         if not items:
@@ -182,6 +170,9 @@ class Command(Filter):
                     return replace(command, regexp_match=result)
 
             command_name = command.command
+            for individual_prefix in self.prefix:
+                command_name = command.command.replace(individual_prefix, '', 1)
+
             if self.ignore_case:
                 command_name = command_name.casefold()
 
diff --git a/tests/test_filters/test_command.py b/tests/test_filters/test_command.py
index 85acf8f4..54e75e36 100644
--- a/tests/test_filters/test_command.py
+++ b/tests/test_filters/test_command.py
@@ -42,7 +42,7 @@ class TestCommandFilter:
             [("12TeSt", "3t4Est", "5TE6sT"), ("12test", "3t4est", "5te6st")],
             [[BotCommand(command="/Test", description="Test1")], ("test",)],
             [[BotCommand(command="tEsT", description="Test2")], ("test",)],
-            [(re.compile(r"/test(\d+)"), "TeSt"), (re.compile(r"test(\d+)"), "test")],
+            [(re.compile(r"test(\d+)"), "TeSt"), (re.compile(r"test(\d+)"), "test")],
         ],
     )
     def test_init_casefold(self, commands, checklist):