Add genre methods

Signed-off-by: Serial <69764315+Serial-ATA@users.noreply.github.com>

src/components/tags/ape_tag.rs

@@ -130,6 +130,16 @@ impl AudioTagEdit for ApeTag {
 		self.remove_key("Copyright")
 	}
 
+	fn genre(&self) -> Option<&str> {
+		self.get_value("Genre")
+	}
+	fn set_genre(&mut self, genre: &str) {
+		self.set_value("Genre", genre)
+	}
+	fn remove_genre(&mut self) {
+		self.remove_key("Genre")
+	}
+
 	fn album_title(&self) -> Option<&str> {
 		self.get_value("Album")
 	}

src/components/tags/id3_tag.rs

@@ -156,6 +156,16 @@ impl AudioTagEdit for Id3v2Tag {
 		self.inner.remove("TCOP")
 	}
 
+	fn genre(&self) -> Option<&str> {
+		self.inner.genre()
+	}
+	fn set_genre(&mut self, genre: &str) {
+		self.inner.set_genre(genre)
+	}
+	fn remove_genre(&mut self) {
+		self.inner.remove_genre()
+	}
+
 	fn album_title(&self) -> Option<&str> {
 		self.inner.album()
 	}

src/components/tags/mp4_tag.rs

@@ -95,6 +95,16 @@ impl AudioTagEdit for Mp4Tag {
 		self.inner.remove_copyright()
 	}
 
+	fn genre(&self) -> Option<&str> {
+		self.inner.genre()
+	}
+	fn set_genre(&mut self, genre: &str) {
+		self.inner.set_genre(genre)
+	}
+	fn remove_genre(&mut self) {
+		self.inner.remove_genres()
+	}
+
 	fn album_title(&self) -> Option<&str> {
 		self.inner.album()
 	}

src/components/tags/ogg_tag.rs

@@ -246,6 +246,16 @@ impl AudioTagEdit for OggTag {
 		self.inner.remove_key("COPYRIGHT")
 	}
 
+	fn genre(&self) -> Option<&str> {
+		self.inner.get_value("GENRE")
+	}
+	fn set_genre(&mut self, genre: &str) {
+		self.inner.set_value("GENRE", genre)
+	}
+	fn remove_genre(&mut self) {
+		self.inner.remove_key("GENRE")
+	}
+
 	fn album_title(&self) -> Option<&str> {
 		self.inner.get_value("ALBUM")
 	}

src/components/tags/riff_tag.rs

@@ -97,6 +97,16 @@ impl AudioTagEdit for RiffTag {
 		self.remove_key("ICOP")
 	}
 
+	fn genre(&self) -> Option<&str> {
+		self.get_value("IGNR")
+	}
+	fn set_genre(&mut self, genre: &str) {
+		self.set_value("IGNR", genre)
+	}
+	fn remove_genre(&mut self) {
+		self.remove_key("IGNR")
+	}
+
 	fn album_title(&self) -> Option<&str> {
 		self.get_value("IPRD").or_else(|| self.get_value("ALBU"))
 	}

src/traits.rs

@@ -64,6 +64,15 @@ pub trait AudioTagEdit {
 	/// Removes the copyright
 	fn remove_copyright(&mut self) {}
 
+	/// Returns the genre
+	fn genre(&self) -> Option<&str> {
+		None
+	}
+	/// Sets the genre
+	fn set_genre(&mut self, _genre: &str) {}
+	/// Removes the genre
+	fn remove_genre(&mut self) {}
+
 	/// Returns the track's [`Album`]
 	fn album(&self) -> Album<'_> {
 		Album {

tests/io.rs

@@ -34,6 +34,9 @@ macro_rules! add_tags {
 		println!("Setting copyright");
 		tag.set_copyright("1988");
 
+		println!("Setting genre");
+		tag.set_genre("Country");
+
 		println!("Setting album title");
 		tag.set_album_title("foo album title");
 
@@ -109,6 +112,9 @@ macro_rules! verify_write {
 		println!("Verifying copyright");
 		assert_eq!(tag.copyright(), Some("1988"));
 
+		println!("Verifying genre");
+		assert_eq!(tag.genre(), Some("Country"));
+
 		println!("Verifying album title");
 		assert_eq!(tag.album_title(), Some("foo album title"));
 
@@ -185,6 +191,11 @@ macro_rules! remove_tags {
 		assert!(tag.copyright().is_none());
 		tag.remove_copyright();
 
+		println!("Removing genre");
+		tag.remove_copyright();
+		assert!(tag.copyright().is_none());
+		tag.remove_copyright();
+
 		println!("Removing album title");
 		tag.remove_album_title();
 		assert!(tag.album_title().is_none());