embystream 0.0.27

Another Emby streaming application (frontend/backend separation) written in Rust.
Documentation 
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use std::fmt::{Display, Formatter, Result as FmtResult};

use serde::Serialize;
use serde_json::{Map, Value};

use crate::network::NetworkTask;

/// Represents a text message to be sent via Telegram API.
///
/// Supports MarkdownV2 formatting and optional reply markup for interactive keyboards.
#[derive(Debug, Clone, Serialize)]
pub struct TextMessage {
    /// The message text content with MarkdownV2 formatting support
    pub text: String,

    /// Optional inline keyboard or reply markup in JSON string format
    #[serde(skip_serializing_if = "Option::is_none")]
    pub reply_markup: Option<String>,
}

impl TextMessage {
    /// Creates a new text message with the given content.
    pub fn new(text: impl Into<String>) -> Self {
        Self {
            text: text.into(),
            reply_markup: None,
        }
    }

    /// Sets the reply markup (inline keyboard) for the message.
    pub fn with_reply_markup(mut self, markup: impl Into<String>) -> Self {
        self.reply_markup = Some(markup.into());
        self
    }

    /// Converts the message to a JSON value with required Telegram API fields.
    ///
    /// Automatically adds:
    /// - `parse_mode: "MarkdownV2"`
    /// - `chat_id` from parameter
    pub fn to_json_value(&self, chat_id: String) -> Value {
        let mut object = Map::with_capacity(4);
        object.insert("text".to_string(), Value::String(self.text.clone()));
        object.insert(
            "parse_mode".to_string(),
            Value::String("MarkdownV2".to_string()),
        );
        object.insert("chat_id".to_string(), Value::String(chat_id));

        if let Some(reply_markup) = &self.reply_markup {
            object.insert(
                "reply_markup".to_string(),
                Value::String(reply_markup.clone()),
            );
        }

        Value::Object(object)
    }

    /// Converts the message into a network task ready for sending.
    ///
    /// Wraps the JSON payload in a `NetworkTask::RequestJson` variant.
    pub fn into_task(self, chat_id: String) -> NetworkTask {
        NetworkTask::RequestJson(self.to_json_value(chat_id))
    }
}

impl Display for TextMessage {
    /// Formats the message for display, showing only the text content.
    fn fmt(&self, f: &mut Formatter<'_>) -> FmtResult {
        write!(f, "text={}", self.text)
    }
}