Added update types filtering.

src/bot/filters/message_fitlers.rs

@@ -18,6 +18,14 @@ pub enum TextMatchMethod {
     IMatches,
 }
 
+#[allow(dead_code)]
+#[derive(Clone, Copy, PartialEq, Eq, Debug)]
+pub enum UpdateType {
+    New,
+    Edited,
+    Deleted,
+}
+
 /// This filter is used to filter out
 /// that marked as silent.
 #[derive(Clone)]
@@ -40,6 +48,10 @@ pub struct TextFilter<'a>(pub &'a [&'a str], pub TextMatchMethod);
 #[derive(Clone)]
 pub struct RegexFilter(pub Regex);
 
+/// Filters using provided regex.
+#[derive(Clone)]
+pub struct UpdateTypeFilter<'a>(pub &'a [UpdateType]);
+
 impl Filter for ExcludedChatsFilter {
     fn filter(&self, update: &Update) -> anyhow::Result<bool> {
         let a = match update {
@@ -102,3 +114,19 @@ impl Filter for RegexFilter {
         Ok(self.0.is_match(message.text()))
     }
 }
+
+impl<'a> Filter for UpdateTypeFilter<'a> {
+    fn filter(&self, update: &Update) -> anyhow::Result<bool> {
+        for update_type in self.0 {
+            match (update_type, update) {
+                (UpdateType::New, Update::NewMessage(_))
+                | (UpdateType::Edited, Update::MessageEdited(_))
+                | (UpdateType::Deleted, Update::MessageDeleted(_)) => {
+                    return Ok(true);
+                }
+                _ => continue,
+            }
+        }
+        Ok(false)
+    }
+}

src/bot/main.rs

@@ -12,7 +12,7 @@ use super::{
         filtered_handler::FilteredHandler,
         message_fitlers::{
             ExcludedChatsFilter, MessageDirection, MessageDirectionFilter, RegexFilter,
-            SilentFilter, TextFilter, TextMatchMethod,
+            SilentFilter, TextFilter, TextMatchMethod, UpdateType, UpdateTypeFilter,
         },
     },
     handlers::{
@@ -98,9 +98,10 @@ async fn run(args: BotConfig, client: Client) -> anyhow::Result<()> {
         FilteredHandler::new(Help).add_filter(TextFilter(&[".h"], TextMatchMethod::IMatches)),
         // Greeting my fellow humans.
         FilteredHandler::new(Greeter)
-            .add_filter(ExcludedChatsFilter(vec![me.id()]))
-            .add_filter(SilentFilter)
+            .add_filter(UpdateTypeFilter(&[UpdateType::New]))
             .add_filter(MessageDirectionFilter(MessageDirection::Incoming))
+            .add_filter(SilentFilter)
+            .add_filter(ExcludedChatsFilter(vec![me.id()]))
             .add_filter(TextFilter(&["привет"], TextMatchMethod::IStartsWith))
             .add_filter(ExcludedChatsFilter(args.excluded_chats)),
         // Getting chat id.
@@ -108,26 +109,31 @@ async fn run(args: BotConfig, client: Client) -> anyhow::Result<()> {
             .add_filter(TextFilter(&[".cid"], TextMatchMethod::IMatches)),
         // Make бля fun again.
         FilteredHandler::new(Blyaficator)
+            .add_filter(UpdateTypeFilter(&[UpdateType::New]))
             .add_filter(SilentFilter)
             .add_filter(TextFilter(&[".bl"], TextMatchMethod::IStartsWith)),
         // Handler for converting currecies.
         FilteredHandler::new(CurrencyConverter::new()?)
+            .add_filter(UpdateTypeFilter(&[UpdateType::New]))
             .add_filter(SilentFilter)
             .add_filter(ExcludedChatsFilter(args.currency_excluded_chats))
             .add_filter(CurrencyTextFilter),
         // Simlpe rotator.
         FilteredHandler::new(Rotator)
+            .add_filter(UpdateTypeFilter(&[UpdateType::New]))
             .add_filter(SilentFilter)
             .add_filter(TextFilter(&[".rl"], TextMatchMethod::IStartsWith)),
         // Weather forecast.
         FilteredHandler::new(WeatherForecaster::new()?)
+            .add_filter(UpdateTypeFilter(&[UpdateType::New]))
             .add_filter(SilentFilter)
             .add_filter(TextFilter(&[".w"], TextMatchMethod::IStartsWith)),
         // Smiley repeator.
         FilteredHandler::new(Repeator)
-            .add_filter(ExcludedChatsFilter(vec![me.id()]))
+            .add_filter(UpdateTypeFilter(&[UpdateType::New]))
             .add_filter(MessageDirectionFilter(MessageDirection::Incoming))
             .add_filter(SilentFilter)
+            .add_filter(ExcludedChatsFilter(vec![me.id()]))
             .add_filter(RegexFilter(Regex::new("^[)0]+$")?)),
     ];