plexus-comms 0.1.1

Communication integrations for Plexus RPC - email, SMS, messaging platforms
Documentation 
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use super::types::*;
use crate::config::TelegramConfig;
use async_stream::stream;
use futures::Stream;

// Required for macro-generated code
use plexus_core::plexus;
use plexus_core::serde_helpers;

#[derive(Clone)]
pub struct Telegram {
    bot_token: String,
    client: reqwest::Client,
}

impl Telegram {
    pub async fn new(config: TelegramConfig) -> Result<Self, String> {
        Ok(Self {
            bot_token: config.bot_token,
            client: reqwest::Client::new(),
        })
    }
}

#[plexus_macros::hub_methods(
    namespace = "telegram",
    version = "1.0.0",
    description = "Send and receive messages via Telegram Bot API"
)]
impl Telegram {
    #[plexus_macros::hub_method(
        description = "Send a text message",
        params(
            chat_id = "Chat ID or username",
            text = "Message text",
            parse_mode = "Text formatting mode (optional)",
            reply_to_message_id = "Reply to specific message (optional)"
        )
    )]
    async fn send_message(
        &self,
        chat_id: String,
        text: String,
        parse_mode: Option<ParseMode>,
        reply_to_message_id: Option<i64>,
    ) -> impl Stream<Item = SendMessageEvent> + Send + 'static {
        let _params = SendMessageParams {
            chat_id: chat_id.clone(),
            text,
            parse_mode,
            reply_to_message_id,
        };

        stream! {
            // Telegram Bot API implementation would go here
            yield SendMessageEvent::Sent {
                message_id: 12345,
                chat_id,
            };
        }
    }

    #[plexus_macros::hub_method(
        description = "Send a photo",
        params(
            chat_id = "Chat ID or username",
            photo = "Photo file ID or URL",
            caption = "Photo caption (optional)"
        )
    )]
    async fn send_photo(
        &self,
        chat_id: String,
        photo: String,
        caption: Option<String>,
    ) -> impl Stream<Item = SendMessageEvent> + Send + 'static {
        let _params = SendPhotoParams {
            chat_id: chat_id.clone(),
            photo,
            caption,
        };

        stream! {
            yield SendMessageEvent::Sent {
                message_id: 12346,
                chat_id,
            };
        }
    }

    #[plexus_macros::hub_method(
        streaming,
        description = "Listen for incoming updates (messages, callbacks, etc.)"
    )]
    async fn listen_updates(&self) -> impl Stream<Item = UpdateEvent> + Send + 'static {
        stream! {
            // Telegram long polling implementation would go here
            // This is a placeholder that would normally poll for updates
            yield UpdateEvent::Error {
                message: "Not implemented yet".to_string(),
            };
        }
    }
}