add method

src/requests/mod.rs

@@ -22,6 +22,7 @@ pub use self::{
     send_video_note::SendVideoNote, send_voice::SendVoice,
     stop_message_live_location::StopMessageLiveLocation,
     unban_chat_member::UnbanChatMember,
+    unpin_chat_message::UnpinChatMessage,
 };
 
 mod form_builder;
@@ -111,3 +112,4 @@ mod send_video_note;
 mod send_voice;
 mod stop_message_live_location;
 mod unban_chat_member;
+mod unpin_chat_message;

src/requests/unpin_chat_message.rs

@@ -0,0 +1,55 @@
+use async_trait::async_trait;
+
+use crate::{
+    network,
+    requests::{Request, RequestContext, ResponseResult, ChatId},
+    types::True
+};
+
+#[derive(Debug, Clone, Serialize)]
+pub struct UnpinChatMessage<'a> {
+    #[serde(skip_serializing)]
+    pub ctx: RequestContext<'a>,
+
+    pub chat_id: ChatId
+}
+
+#[async_trait]
+impl Request for UnpinChatMessage<'_> {
+    type ReturnValue = True;
+
+    async fn send_boxed(self) -> ResponseResult<Self::ReturnValue> {
+        self.send().await
+    }
+}
+
+impl UnpinChatMessage<'_> {
+    pub async fn send(self) -> ResponseResult<True> {
+        network::request_json(
+            &self.ctx.client,
+            &self.ctx.token,
+            "unpinChatMessage",
+            &self
+        ).await
+    }
+}
+
+impl<'a> UnpinChatMessage<'a> {
+    pub(crate) fn new(
+        ctx: RequestContext<'a>,
+        chat_id: ChatId,
+    ) -> Self {
+        Self {
+            ctx,
+            chat_id
+        }
+    }
+
+    pub fn chat_id<T>(mut self, chat_id: T) -> Self
+    where
+        T: Into<ChatId>
+    {
+        self.chat_id = chat_id.into();
+        self
+    }
+}