Add GetChatMember

src/bot/api.rs

@@ -1,6 +1,6 @@
 use crate::bot::Bot;
 use crate::requests::{
-    AnswerCallbackQuery, DeleteChatStickerSet, SetChatStickerSet,
+    AnswerCallbackQuery, DeleteChatStickerSet, GetChatMember, SetChatStickerSet,
 };
 use crate::{
     requests::{
@@ -306,4 +306,12 @@ impl Bot {
     {
         SetChatStickerSet::new(self, chat_id, sticker_set_name)
     }
+
+    pub fn get_chat_member<C, I>(&self, chat_id: C, user_id: I) -> GetChatMember
+    where
+        C: Into<ChatId>,
+        I: Into<i32>,
+    {
+        GetChatMember::new(self, chat_id, user_id)
+    }
 }

src/requests/get_chat_member.rs

@@ -0,0 +1,71 @@
+use crate::bot::Bot;
+use crate::network;
+use crate::requests::{Request, ResponseResult};
+use crate::types::{ChatId, ChatMember};
+use async_trait::async_trait;
+
+/// Use this method to get information about a member of a chat. Returns a
+/// ChatMember object on success.
+#[derive(Debug, Clone, Serialize)]
+pub struct GetChatMember<'a> {
+    #[serde(skip_serializing)]
+    bot: &'a Bot,
+
+    /// Unique identifier for the target chat or username of the target
+    /// supergroup or channel (in the format @channelusername)
+    chat_id: ChatId,
+
+    /// Unique identifier of the target user
+    user_id: i32,
+}
+
+#[async_trait]
+impl Request for GetChatMember<'_> {
+    type Output = ChatMember;
+
+    async fn send_boxed(self) -> ResponseResult<Self::Output> {
+        self.send().await
+    }
+}
+
+impl GetChatMember<'_> {
+    async fn send(&self) -> ResponseResult<ChatMember> {
+        network::request_json(
+            self.bot.client(),
+            self.bot.token(),
+            "getChatMember",
+            &self,
+        )
+        .await
+    }
+}
+
+impl<'a> GetChatMember<'a> {
+    pub(crate) fn new<C, I>(bot: &'a Bot, chat_id: C, user_id: I) -> Self
+    where
+        C: Into<ChatId>,
+        I: Into<i32>,
+    {
+        Self {
+            bot,
+            chat_id: chat_id.into(),
+            user_id: user_id.into(),
+        }
+    }
+
+    pub fn chat_id<C>(mut self, value: C) -> Self
+    where
+        C: Into<ChatId>,
+    {
+        self.chat_id = value.into();
+        self
+    }
+
+    pub fn user_id<I>(mut self, value: I) -> Self
+    where
+        I: Into<i32>,
+    {
+        self.user_id = value.into();
+        self
+    }
+}

src/requests/mod.rs

@@ -10,6 +10,7 @@ pub use delete_chat_sticker_set::*;
 pub use edit_message_live_location::*;
 pub use forward_message::*;
 pub use get_chat::*;
+pub use get_chat_member::*;
 pub use get_file::*;
 pub use get_me::*;
 pub use get_updates::*;
@@ -47,6 +48,7 @@ mod delete_chat_sticker_set;
 mod edit_message_live_location;
 mod forward_message;
 mod get_chat;
+mod get_chat_member;
 mod get_file;
 mod get_me;
 mod get_updates;