cargo: gate telegram behind a default feature

Cargo.toml

@@ -6,10 +6,14 @@ description = "A configurable, self-hosted guestbook for the web, allowing visit
 license = "MIT"
 repository = "https://git.ily.rs/lew/guestbook"
 
+[features]
+default = ["telegram"]
+telegram = ["dep:teloxide"]
+
 [dependencies]
 axum = "0.8"
 tokio = { version = "1", features = ["macros", "rt-multi-thread", "sync", "net"] }
-teloxide = { version = "0.13", features = ["macros"] }
+teloxide = { version = "0.13", features = ["macros"], optional = true }
 serde = { version = "1", features = ["derive"] }
 toml = "0.8"
 dotenvy = "0.15"
@@ -19,6 +23,9 @@ base64 = "0.22"
 tracing = "0.1"
 tracing-subscriber = "0.3"
 
+[profile.dev.package."*"]
+opt-level = 1
+
 [dev-dependencies]
 tower = { version = "0.5", features = ["util"] }
 http-body-util = "0.1"

src/config.rs

@@ -7,7 +7,9 @@ pub struct Config {
     pub data_dir: PathBuf,
     pub site_title: String,
 
+    #[cfg(feature = "telegram")]
     pub telegram_bot_token: Option<String>,
+    #[cfg(feature = "telegram")]
     pub telegram_chat_id: Option<i64>,
     pub enable_honeypot: bool,
     pub max_name_length: usize,
@@ -67,7 +69,9 @@ impl Config {
                 .unwrap_or_else(|_| PathBuf::from("./data")),
             site_title: env::var("BOOK_SITE_TITLE").unwrap_or_else(|_| "guestbook".into()),
 
+            #[cfg(feature = "telegram")]
             telegram_bot_token: env::var("BOOK_TELEGRAM_BOT_TOKEN").ok(),
+            #[cfg(feature = "telegram")]
             telegram_chat_id: env::var("BOOK_TELEGRAM_CHAT_ID")
                 .ok()
                 .map(|v| v.parse().map_err(|_| "BOOK_TELEGRAM_CHAT_ID must be an integer"))
@@ -188,7 +192,9 @@ mod tests {
         assert_eq!(config.listen_addr(), "127.0.0.1:9999");
         assert_eq!(config.data_dir, PathBuf::from("/tmp/gb"));
         assert_eq!(config.site_title, "test.rs");
+        #[cfg(feature = "telegram")]
         assert_eq!(config.telegram_bot_token.as_deref(), Some("123:ABC"));
+        #[cfg(feature = "telegram")]
         assert_eq!(config.telegram_chat_id, Some(12345));
 
         // Clean up
@@ -221,7 +227,9 @@ mod tests {
         env::remove_var("BOOK_TELEGRAM_CHAT_ID");
 
         let config = Config::from_env().unwrap();
+        #[cfg(feature = "telegram")]
         assert!(config.telegram_bot_token.is_none());
+        #[cfg(feature = "telegram")]
         assert!(config.telegram_chat_id.is_none());
     }
 

src/entries.rs

@@ -24,6 +24,7 @@ pub struct EntryMeta {
 
 #[derive(Debug, Clone)]
 pub struct Entry {
+    #[cfg_attr(not(feature = "telegram"), allow(dead_code))]
     pub id: String,
     pub meta: EntryMeta,
     pub body: String,
@@ -49,6 +50,7 @@ impl Entry {
         })
     }
 
+    #[cfg(any(feature = "telegram", test))]
     /// Return the short ID (UUID portion after the underscore).
     pub fn short_id(&self) -> &str {
         self.id.split('_').last().unwrap_or(&self.id)
@@ -103,6 +105,7 @@ pub fn read_approved(dir: &Path) -> Vec<Entry> {
     read_by_status(dir, Status::Approved)
 }
 
+#[cfg(any(feature = "telegram", test))]
 /// Find a single entry by short ID (the UUID portion after the underscore).
 pub fn find_entry(dir: &Path, short_id: &str) -> Result<Entry, String> {
     let read_dir = std::fs::read_dir(dir).map_err(|e| e.to_string())?;
@@ -119,6 +122,7 @@ pub fn find_entry(dir: &Path, short_id: &str) -> Result<Entry, String> {
     Err("Not found.".into())
 }
 
+#[cfg(any(feature = "telegram", test))]
 /// Delete an entry and its associated media files.
 /// `data_dir` is the parent directory containing entries/, drawings/, and voice_notes/.
 pub fn delete_entry(data_dir: &Path, short_id: &str) -> Result<String, String> {
@@ -148,6 +152,7 @@ pub fn delete_entry(data_dir: &Path, short_id: &str) -> Result<String, String> {
     Ok(entry.meta.name.clone())
 }
 
+#[cfg(any(feature = "telegram", test))]
 /// Find an entry file by short ID prefix and update its status.
 pub fn set_status(dir: &Path, short_id: &str, status: Status) -> Result<String, String> {
     let mut entry = find_entry(dir, short_id)?;

src/main.rs

@@ -1,11 +1,11 @@
 mod config;
 mod entries;
 mod render;
+#[cfg(feature = "telegram")]
 mod telegram;
 mod web;
 
 use std::sync::Arc;
-use teloxide::prelude::*;
 
 #[tokio::main]
 async fn main() {
@@ -18,16 +18,18 @@ async fn main() {
 
     std::fs::create_dir_all(&entries_dir).expect("failed to create entries directory");
 
-    let (tx, rx) = tokio::sync::mpsc::channel::<(entries::Entry, Option<Vec<u8>>, Option<Vec<u8>>)>(32);
+    let (tx, _rx) = tokio::sync::mpsc::channel::<(entries::Entry, Option<Vec<u8>>, Option<Vec<u8>>)>(32);
 
-    // Spawn telegram tasks if configured
+    #[cfg(feature = "telegram")]
+    {
+        use teloxide::prelude::*;
         match (&config.telegram_bot_token, config.telegram_chat_id) {
             (Some(token), Some(chat_id)) => {
                 let chat_id = ChatId(chat_id);
                 let bot = Bot::new(token);
 
                 let notify_bot = bot.clone();
-            tokio::spawn(telegram::notification_task(notify_bot, chat_id, rx));
+                tokio::spawn(telegram::notification_task(notify_bot, chat_id, _rx));
 
                 let cmd_data_dir = config.data_dir.clone();
                 tokio::spawn(telegram::bot_task(bot, chat_id, cmd_data_dir));
@@ -36,6 +38,10 @@ async fn main() {
                 tracing::info!("telegram not configured, moderation notifications disabled");
             }
         }
+    }
+
+    #[cfg(not(feature = "telegram"))]
+    tracing::info!("compiled without telegram support");
 
     let state = Arc::new(web::AppState { config, tx });
     let app = web::router(state);

src/render.rs

@@ -322,7 +322,9 @@ mod tests {
             data_dir: PathBuf::from("./data"),
             site_title: "test".into(),
 
+            #[cfg(feature = "telegram")]
             telegram_bot_token: None,
+            #[cfg(feature = "telegram")]
             telegram_chat_id: None,
             enable_honeypot: true,
             max_name_length: 0,

src/web.rs

@@ -345,7 +345,9 @@ mod tests {
             data_dir: dir.to_path_buf(),
             site_title: "test".into(),
 
+            #[cfg(feature = "telegram")]
             telegram_bot_token: None,
+            #[cfg(feature = "telegram")]
             telegram_chat_id: None,
             enable_honeypot: true,
             max_name_length: 0,