Create `get_embedded_art` function, and add some dependencies for config system

.idea/dbnavigator.xml

@@ -5,6 +5,12 @@
     <value-preview-text-wrapping value="false" />
     <value-preview-pinned value="false" />
   </component>
+  <component name="DBNavigator.Project.DatabaseBrowserManager">
+    <autoscroll-to-editor value="false" />
+    <autoscroll-from-editor value="true" />
+    <show-object-properties value="true" />
+    <loaded-nodes />
+  </component>
   <component name="DBNavigator.Project.DatabaseEditorStateManager">
     <last-used-providers />
   </component>
@@ -14,6 +20,9 @@
   <component name="DBNavigator.Project.ExecutionManager">
     <retain-sticky-names value="false" />
   </component>
+  <component name="DBNavigator.Project.ParserDiagnosticsManager">
+    <diagnostics-history />
+  </component>
   <component name="DBNavigator.Project.Settings">
     <connections />
     <browser-settings>

Cargo.lock

@@ -206,9 +206,12 @@ name = "cmus-notify"
 version = "0.1.0"
 dependencies = [
  "clap",
+ "confy",
+ "id3",
  "lrc",
  "notify-rust",
  "regex",
+ "temp-file",
  "test-context",
  "typed-builder",
 ]
@@ -228,6 +231,18 @@ dependencies = [
  "crossbeam-utils",
 ]
 
+[[package]]
+name = "confy"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e37668cb35145dcfaa1931a5f37fde375eeae8068b4c0d2f289da28a270b2d2c"
+dependencies = [
+ "directories",
+ "serde",
+ "thiserror",
+ "toml",
+]
+
 [[package]]
 name = "cpufeatures"
 version = "0.2.5"
@@ -326,6 +341,15 @@ dependencies = [
  "crypto-common",
 ]
 
+[[package]]
+name = "directories"
+version = "4.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f51c5d4ddabd36886dd3e1438cb358cdcb0d7c499cb99cb4ac2e38e18b5cb210"
+dependencies = [
+ "dirs-sys",
+]
+
 [[package]]
 name = "dirs"
 version = "4.0.0"
@@ -676,6 +700,17 @@ version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
 
+[[package]]
+name = "id3"
+version = "1.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "19d7a833474b30425eb64132d1f9b727b4e39537418bcc3288497c8d2f5c8948"
+dependencies = [
+ "bitflags",
+ "byteorder",
+ "flate2",
+]
+
 [[package]]
 name = "image"
 version = "0.24.5"
@@ -1436,6 +1471,12 @@ dependencies = [
  "windows",
 ]
 
+[[package]]
+name = "temp-file"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f4479870ee948e4c5c3fc4774b46aa73eedf97d84503a9b90922c1bb19a73a8d"
+
 [[package]]
 name = "tempfile"
 version = "3.3.0"
@@ -1546,6 +1587,15 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2e153e1f1acaef8acc537e68b44906d2db6436e2b35ac2c6b42640fff91f00fd"
 
+[[package]]
+name = "toml"
+version = "0.5.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f4f7f0dd8d50a853a531c426359045b1998f04219d88799810762cd4ad314234"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "toml_datetime"
 version = "0.5.1"

Cargo.toml

@@ -6,9 +6,12 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+confy = "0.5.1"
+id3 = "1.6.0"
 lrc = { version = "0.1.7", optional = true }
 notify-rust = { version = "4.7.0", features = ["images"] }
 regex = "1.7.1"
+temp-file = "0.1.7"
 typed-builder = "0.12.0"
 
 [dependencies.clap]

src/cmus/mod.rs

@@ -1,6 +1,6 @@
-mod events;
-mod player_settings;
-mod query;
+pub mod events;
+pub mod player_settings;
+pub mod query;
 
 use crate::cmus::query::CmusQueryResponse;
 use std::collections::HashMap;

src/main.rs

@@ -4,8 +4,15 @@ mod arguments;
 mod cmus;
 mod utils;
 
+use crate::cmus::query::CmusQueryResponse;
 use clap::Parser;
 
+macro_rules! sleep {
+    ($time: expr) => {
+        std::thread::sleep(std::time::Duration::from_millis($time));
+    };
+}
+
 fn main() {
     let args = arguments::Arguments::parse();
 
@@ -19,12 +26,8 @@ fn main() {
         &args.cmus_socket_password,
     );
 
-    let sleep = || {
-        std::thread::sleep(std::time::Duration::from_millis(args.interval));
-    };
-
-    // Initialize the buffer to store the track info, to compare it with the next one.
-    let mut previous_track = cmus::Track::default();
+    // Initialize the buffer to store the response from cmus, to compare it with the next one.
+    let mut previous_response = CmusQueryResponse::default();
     // Initialize the buffer to store the cover path, to compare it with the next one.
     // This is used to speed up the main loop, because we don't need to process the template and search for the cover every time.
     // We only need to do it when the track directory changes.
@@ -32,12 +35,12 @@ fn main() {
 
     loop {
         // Get the track info, and compare it with the previous one.
-        let Ok(track) = cmus::ping_cmus(&mut query_command) else {
+        let Ok(response) = cmus::ping_cmus(&mut query_command) else {
             if args.link {
                 std::process::exit(0)
             } else {
                 // If the track info is the same as the previous one, just sleep for a while and try again.
-                sleep();
+                sleep!(args.interval);
                 continue;
             }
         };
@@ -52,6 +55,6 @@ fn main() {
                 let changes = track.get_changes(&previous_track);
         */
 
-        sleep();
+        sleep!(args.interval);
     }
 }

src/utils.rs

@@ -1,6 +1,42 @@
 use crate::cmus;
 use std::path::Path;
 
+
+/// Extracts the first embedded picture from an ID3 tag of an Audio file.
+///
+/// # Arguments
+///
+/// * `track_path` - The path to the Audio file.
+///
+/// # Returns
+///
+/// Returns a `Result` containing a `TempFile` object with the contents of the extracted picture, or `None` if the MP3 file doesn't have any embedded pictures.
+/// In case of error, the `Result` will contain an error value of type `std::io::Error`.
+///
+/// # Example
+///
+/// ```
+/// let result = get_embedded_art("/path/to/track.mp3");
+///
+/// match result {
+///     Ok(Some(temp_file)) => {
+///         // Use the temp file...
+///         temp_file.path();
+///     },
+///     Ok(None) => println!("Track does not have an embedded picture"),
+///     Err(error) => println!("Error: {}", error),
+/// }
+/// ```
+pub fn get_embedded_art(track_path: &str) -> std::io::Result<Option<temp_file::TempFile>> {
+    let tags = id3::Tag::read_from_path(track_path)
+        .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, e))?;
+    let Some(picture) = tags.pictures().next() else { return Ok(None); };
+    let temp_file = temp_file::TempFile::new()?;
+    Ok(Some(temp_file.with_contents(&*picture.data).map_err(
+        |e| std::io::Error::new(std::io::ErrorKind::Other, e),
+    )?))
+}
+
 /// Search in the track directory for the cover image or the lyrics(depending on the `regx`).
 /// If the cover image or the lyrics is not found, search in the parent directory, and so on, until the max depth is reached.
 /// If the cover image or the lyrics is not found, return `None`.