chore: fix clippy warnings

Cargo.lock

@@ -123,6 +123,12 @@ version = "1.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d71b6127be86fdcfddb610f7182ac57211d4b18a3e9c82eb2d17662f2227ad6a"
 
+[[package]]
+name = "capitalize"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6b5271031022835ee8c7582fe67403bd6cb3d962095787af7921027234bab5bf"
+
 [[package]]
 name = "cc"
 version = "1.2.38"
@@ -1726,6 +1732,7 @@ name = "tg-relay-rs"
 version = "0.1.0"
 dependencies = [
  "async-trait",
+ "capitalize",
  "color-eyre",
  "dotenv",
  "futures",

Cargo.toml

@@ -7,6 +7,7 @@ edition = "2024"
 
 [dependencies]
 async-trait = "0.1"
+capitalize = "0.3.4"
 color-eyre = "0.6"
 dotenv = "0.15"
 futures = "0.3"

src/comments.rs

@@ -107,7 +107,7 @@ pub fn init_global_comments(comments: Comments) -> Result<()> {
         .map_err(|_| Error::other("comments already initialized"))
 }
 
-/// Get global comments (if initialized). Returns Option<&'static Comments>.
+/// Get global comments (if initialized).
 #[inline]
 #[must_use]
 pub fn global_comments() -> Option<&'static Comments> {

src/lib.rs

@@ -4,4 +4,3 @@ pub mod error;
 pub mod handlers;
 pub mod telemetry;
 pub mod utils;
-pub mod validate;

src/telemetry.rs

@@ -8,5 +8,5 @@ pub fn setup_logger() {
     tracing_subscriber::registry()
         .with(env_filter)
         .with(formatter)
-        .init()
+        .init();
 }

src/utils.rs

@@ -2,18 +2,15 @@ use crate::{
     comments::{Comments, global_comments},
     error::{Error, Result},
 };
+use capitalize::Capitalize;
 use std::{
     ffi::OsStr,
+    fmt::Display,
     path::{Path, PathBuf},
 };
-use teloxide::{
-    Bot,
-    payloads::{SendPhotoSetters, SendVideoSetters},
-    prelude::Requester,
-    types::{ChatId, InputFile},
-};
+use teloxide::{prelude::*, types::InputFile};
 use tokio::{fs::File, io::AsyncReadExt};
-use tracing::warn;
+use tracing::{error, info, warn};
 
 pub const VIDEO_EXTSTENSIONS: &[&str] = &["mp4", "webm", "mov", "mkv", "avi", "m4v", "3gp"];
 pub const IMAGE_EXTSTENSIONS: &[&str] = &["jpg", "jpeg", "png", "webp", "gif", "bmp"];
@@ -26,6 +23,18 @@ pub enum MediaKind {
     Unknown,
 }
 
+impl MediaKind {
+    #[must_use]
+    #[inline]
+    pub const fn to_str(&self) -> &str {
+        match self {
+            Self::Video => "video",
+            Self::Image => "image",
+            Self::Unknown => "unknown",
+        }
+    }
+}
+
 /// Detect media kind first by extension, then by content/magic (sync).
 pub fn detect_media_kind(path: &Path) -> MediaKind {
     if let Some(ext) = path.extension().and_then(OsStr::to_str) {
@@ -93,7 +102,7 @@ pub async fn detect_media_kind_async(path: &Path) -> MediaKind {
 ///
 /// # Errors
 ///
-/// Returns an error if sending fails or the media kind is unknown.
+/// Returns an `Error::UnknownMediaKind` if sending fails or the media kind is unknown.
 pub async fn send_media_from_path(
     bot: &Bot,
     chat_id: ChatId,
@@ -104,32 +113,46 @@ pub async fn send_media_from_path(
         .map(Comments::build_caption)
         .filter(|caption| !caption.is_empty());
 
+    let input = InputFile::file(path);
+
+    macro_rules! send_msg {
+        ($request_expr:expr) => {{
+            let mut request = $request_expr;
+            if let Some(cap) = caption_opt {
+                request = request.caption(cap);
+            }
+            if let Ok(message) = request.await {
+                info!(message_id = message.id.to_string(), "{} sent", kind);
+            }
+        }};
+    }
+
     match kind {
-        MediaKind::Video => {
-            let video = InputFile::file(path);
-            let mut req = bot.send_video(chat_id, video);
-            if let Some(c) = caption_opt {
-                req = req.caption(c);
-            }
-            req.await?;
-        }
-        MediaKind::Image => {
-            let photo = InputFile::file(path);
-            let mut req = bot.send_photo(chat_id, photo);
-            if let Some(c) = caption_opt {
-                req = req.caption(c);
-            }
-            req.await?;
-        }
+        MediaKind::Video => send_msg!(bot.send_video(chat_id, input)),
+        MediaKind::Image => send_msg!(bot.send_photo(chat_id, input)),
         MediaKind::Unknown => {
             bot.send_message(chat_id, "No supported media found")
                 .await?;
+            error!("No supported media found");
             return Err(Error::UnknownMediaKind);
         }
     }
+
     Ok(())
 }
 
+impl AsRef<str> for MediaKind {
+    fn as_ref(&self) -> &str {
+        self.to_str()
+    }
+}
+
+impl Display for MediaKind {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}", self.capitalize())
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;

src/validate.rs

@@ -1,25 +0,0 @@
-use crate::error::Result;
-use regex::Regex;
-use std::sync::OnceLock;
-
-/// Trait for validating platform-specific identifiers (e.g., shortcodes, URLs)
-/// extracted from user input.
-///
-/// Implementors should:
-/// - Check format (e.g., length, characters).
-/// - Canonicalize if needed (e.g., trim query params from a URL).
-/// - Return `Ok(canonical_id)` on success or `Err(Error::Other(...))` on failure.
-pub trait Validate {
-    /// Validate the input and return a canonicalized String (e.g., cleaned shortcode or URL).
-    fn validate(&self, input: &str) -> Result<String>;
-}
-
-/// Helper function to create a lazy static Regex (reused across impls).
-///
-/// # Panics
-///
-/// If no pattern found
-pub fn lazy_regex(pattern: &str) -> &'static Regex {
-    static RE: OnceLock<Regex> = OnceLock::new();
-    RE.get_or_init(|| Regex::new(pattern).expect("failed to compile validation regex"))
-}