Added not filter.

Signed-off-by: Pavel Kirilin <win10@list.ru>

src/bot/filters/message_fitlers.rs

@@ -45,6 +45,13 @@ pub struct MessageDirectionFilter(pub MessageDirection);
 #[derive(Clone)]
 pub struct TextFilter<'a>(pub &'a [&'a str], pub TextMatchMethod);
 
+/// Filters text by predicate.
+#[derive(Clone)]
+pub struct ReverseTextFilter<'a>(pub &'a [&'a str], pub TextMatchMethod);
+
+#[derive(Clone)]
+pub struct NotFilter<T: Filter + Clone>(pub T);
+
 #[derive(Clone)]
 pub struct OnlyFromId(pub i64);
 
@@ -155,3 +162,9 @@ impl<'a> Filter for UpdateTypeFilter<'a> {
         Ok(false)
     }
 }
+
+impl<T: Filter + Clone> Filter for NotFilter<T> {
+    fn filter(&self, update: &Update) -> anyhow::Result<bool> {
+        Ok(!self.0.filter(update)?)
+    }
+}

src/bot/main.rs

@@ -11,8 +11,8 @@ use super::{
     filters::{
         filtered_handler::FilteredHandler,
         message_fitlers::{
-            ExcludedChatsFilter, MessageDirection, MessageDirectionFilter, OnlyFromId, RegexFilter,
-            SilentFilter, TextFilter, TextMatchMethod, UpdateType, UpdateTypeFilter,
+            ExcludedChatsFilter, MessageDirection, MessageDirectionFilter, NotFilter, OnlyFromId,
+            RegexFilter, SilentFilter, TextFilter, TextMatchMethod, UpdateType, UpdateTypeFilter,
         },
     },
     handlers::{
@@ -163,7 +163,12 @@ async fn run(args: BotConfig, client: Client) -> anyhow::Result<()> {
             .add_filter(ExcludedChatsFilter(args.excluded_chats.clone()))
             .add_filter(UpdateTypeFilter(&[UpdateType::New]))
             .add_filter(SilentFilter)
-            .add_filter(TextFilter(&[".c"], TextMatchMethod::StartsWith)),
+            .add_filter(TextFilter(&[".c"], TextMatchMethod::StartsWith))
+            .add_filter(NotFilter(TextFilter(
+                &[".cid"],
+                TextMatchMethod::StartsWith,
+            ))),
+        // .add_filter(TextFilter(&[".cid"], TextMatchMethod::)),
         // Notify all.
         FilteredHandler::new(NotifyAll)
             .add_filter(ExcludedChatsFilter(args.excluded_chats.clone()))