added method setChatTitle

src/bot/api.rs

@@ -9,7 +9,7 @@ use crate::{
         SendLocation, SendMediaGroup, SendMessage, SendPhoto, SendPoll,
         SendVenue, SendVideo, SendVideoNote, SendVoice, SetChatDescription,
         SetChatStickerSet, StopMessageLiveLocation, UnbanChatMember,
-        UnpinChatMessage,
+        UnpinChatMessage, SetChatTitle
     },
     types::{ChatAction, ChatId, ChatPermissions, InputFile, InputMedia},
 };
@@ -356,4 +356,16 @@ impl Bot {
     {
         SendAnimation::new(self, chat_id, animation)
     }
+
+    pub fn set_chat_title<C, T>(
+        &self,
+        chat_id: C,
+        title: T,
+    ) -> SetChatTitle
+    where
+        C: Into<ChatId>,
+        T: Into<String>,
+    {
+        SetChatTitle::new(self, chat_id, title)
+    }
 }

src/requests/mod.rs

@@ -36,6 +36,7 @@ pub use send_video_note::*;
 pub use send_voice::*;
 pub use set_chat_description::*;
 pub use set_chat_sticker_set::*;
+pub use set_chat_title::*;
 pub use stop_message_live_location::*;
 pub use unban_chat_member::*;
 pub use unpin_chat_message::*;
@@ -76,6 +77,7 @@ mod send_video_note;
 mod send_voice;
 mod set_chat_description;
 mod set_chat_sticker_set;
+mod set_chat_title;
 mod stop_message_live_location;
 mod unban_chat_member;
 mod unpin_chat_message;

src/requests/set_chat_title.rs

@@ -0,0 +1,86 @@
+use async_trait::async_trait;
+
+use crate::bot::Bot;
+use crate::types::{ChatId, True};
+use crate::requests::{Request, ResponseResult};
+use crate::network;
+
+#[derive(Debug, Clone, Serialize)]
+pub struct SetChatTitle<'a> {
+    #[serde(skip_serializing)]
+    bot: &'a Bot,
+
+    chat_id: ChatId,
+    title: String,
+}
+
+#[async_trait]
+impl Request for SetChatTitle<'_> {
+    type Output = True;
+
+    async fn send_boxed(self) -> ResponseResult<Self::Output> {
+        self.send().await
+    }
+}
+
+impl SetChatTitle<'_> {
+    async fn send(self) -> ResponseResult<True> {
+        network::request_json(
+            &self.bot.client(),
+            &self.bot.token(),
+            "SetChatTitle",
+            &self
+        ).await
+    }
+}
+
+impl<'a> SetChatTitle<'a> {
+    pub(crate) fn new<C, T>(
+        bot: &'a Bot,
+        chat_id: C,
+        title: T
+    ) -> Self
+        where
+            C: Into<ChatId>,
+            T: Into<String>,
+    {
+        Self {
+            bot,
+            chat_id: chat_id.into(),
+            title: title.into(),
+        }
+    }
+
+    pub fn chat_id<C>(mut self, chat_id: C) -> Self
+        where
+            C: Into<ChatId>,
+    {
+        self.chat_id = chat_id.into();
+        self
+    }
+
+    pub fn title<C>(mut self, title: C) -> Self
+        where
+            C: Into<String>,
+    {
+        self.title = title.into();
+        self
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn serialize() {
+        let bot = Bot::new("token");
+        let chat_id = 123;
+        let title = "title";
+        let method = SetChatTitle::new(&bot, chat_id, title);
+
+        let expected = r#"{"chat_id":123,"title":"title"}"#;
+        let actual = serde_json::to_string::<SetChatTitle>(&method).unwrap();
+        assert_eq!(actual, expected);
+    }
+}