Add soundcloud support

bot/filters/__init__.py

@@ -1,2 +1,2 @@
-from .search import ServiceSearchFilter
+from .search import ServiceSearchFilter, ServiceSearchMultiletterFilter
 from .url import MusicUrlFilter

bot/filters/search.py

@@ -11,3 +11,15 @@ class ServiceSearchFilter(BaseFilter):
                 inline_query.query.startswith(self.service_letter) and
                 inline_query.query != self.service_letter
         )
+
+
+class ServiceSearchMultiletterFilter(BaseFilter):
+    def __init__(self, service_lettes: list[str]):
+        self.service_letter = [f'{letter}:' for letter in service_lettes]
+
+    async def __call__(self, inline_query: InlineQuery):
+        return (
+                any(inline_query.query.startswith(letter) for letter in
+                    self.service_letter) and
+                inline_query.query not in self.service_letter
+        )

bot/filters/url.py

@@ -25,6 +25,7 @@ class MusicUrlFilter(BaseFilter):
                             'spotify.link',
                             'deezer.page.link',
                             'deezer.com',
+                            'soundcloud.com'
                         ]
                     )
                 )