added method deleteChatPhoto

src/bot/api.rs

@@ -9,7 +9,7 @@ use crate::{
         SendLocation, SendMediaGroup, SendMessage, SendPhoto, SendPoll,
         SendVenue, SendVideo, SendVideoNote, SendVoice, SetChatDescription,
         SetChatStickerSet, StopMessageLiveLocation, UnbanChatMember,
-        UnpinChatMessage, SetChatTitle
+        UnpinChatMessage, SetChatTitle, DeleteChatPhoto
     },
     types::{ChatAction, ChatId, ChatPermissions, InputFile, InputMedia},
 };
@@ -368,4 +368,14 @@ impl Bot {
     {
         SetChatTitle::new(self, chat_id, title)
     }
+
+    pub fn delete_chat_photo<C>(
+        &self,
+        chat_id: C,
+    ) -> DeleteChatPhoto
+    where
+        C: Into<ChatId>,
+    {
+        DeleteChatPhoto::new(self, chat_id)
+    }
 }

src/requests/delete_chat_photo.rs

@@ -0,0 +1,70 @@
+use async_trait::async_trait;
+
+use crate::bot::Bot;
+use crate::types::{ChatId, True};
+use crate::requests::{ResponseResult, Request};
+use crate::network;
+
+#[derive(Debug, Clone, Serialize)]
+pub struct DeleteChatPhoto<'a> {
+    #[serde(skip_serializing)]
+    bot: &'a Bot,
+
+    chat_id: ChatId
+}
+
+#[async_trait]
+impl Request for DeleteChatPhoto<'_> {
+    type Output = True;
+
+    async fn send_boxed(self) -> ResponseResult<Self::Output> {
+        self.send().await
+    }
+}
+
+impl DeleteChatPhoto<'_> {
+    async fn send(self) -> ResponseResult<True> {
+        network::request_json(
+            self.bot.client(),
+            self.bot.token(),
+            "deleteChatPhoto",
+            &self
+        ).await
+    }
+}
+
+impl<'a> DeleteChatPhoto<'a> {
+    pub(crate) fn new<C>(bot: &'a Bot, chat_id: C) -> Self
+    where
+        C: Into<ChatId>
+    {
+        Self {
+            bot,
+            chat_id: chat_id.into(),
+        }
+    }
+
+    pub fn chat_id<C>(mut self, chat_id: C) -> Self
+    where
+        C: Into<ChatId>,
+    {
+        self.chat_id = chat_id.into();
+        self
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn serialize() {
+        let bot = Bot::new("token");
+        let chat_id = 123;
+        let method = DeleteChatPhoto::new(&bot, chat_id);
+
+        let expected = r#"{"chat_id":123}"#;
+        let actual = serde_json::to_string::<DeleteChatPhoto>(&method).unwrap();
+        assert_eq!(actual, expected);
+    }
+}

src/requests/mod.rs

@@ -6,6 +6,7 @@ use serde::de::DeserializeOwned;
 pub use answer_callback_query::*;
 pub use answer_pre_checkout_query::*;
 pub use answer_shipping_query::*;
+pub use delete_chat_photo::*;
 pub use delete_chat_sticker_set::*;
 pub use edit_message_live_location::*;
 pub use forward_message::*;
@@ -47,6 +48,7 @@ mod utils;
 mod answer_callback_query;
 mod answer_pre_checkout_query;
 mod answer_shipping_query;
+mod delete_chat_photo;
 mod delete_chat_sticker_set;
 mod edit_message_live_location;
 mod forward_message;