ItemKey: Add ItemKey::MusicBrainzReleaseType

Co-authored-by: Alex <69764315+Serial-ATA@users.noreply.github.com>

Author: matteron

CHANGELOG.md

@@ -6,6 +6,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+
+- **ItemKey**: `ItemKey::MusicBrainzReleaseType` ([PR](https://github.com/Serial-ATA/lofty-rs/pull/626))
+  - See <https://picard-docs.musicbrainz.org/en/appendices/tag_mapping.html#id32>
+
 ### Fixed
 
 - **ID3v2**:

lofty/src/id3/v2/tag/conversion.rs

@@ -163,6 +163,7 @@ pub(crate) fn from_tag<'a>(
 			| ItemKey::MusicBrainzArtistId
 			| ItemKey::MusicBrainzReleaseArtistId
 			| ItemKey::MusicBrainzWorkId
+			| ItemKey::MusicBrainzReleaseType
 			| ItemKey::ReleaseCountry
 			| ItemKey::Barcode => {
 				let (value, _) = take_item_text_and_description(item)?;

lofty/src/tag/item.rs

@@ -156,7 +156,8 @@ gen_map!(
 	"MUSICBRAINZ_RELEASEGROUPID"     => MusicBrainzReleaseGroupId,
 	"MUSICBRAINZ_ARTISTID"           => MusicBrainzArtistId,
 	"MUSICBRAINZ_ALBUMARTISTID"      => MusicBrainzReleaseArtistId,
-	"MUSICBRAINZ_WORKID"             => MusicBrainzWorkId
+	"MUSICBRAINZ_WORKID"             => MusicBrainzWorkId,
+	"MUSICBRAINZ_ALBUMTYPE"			 => MusicBrainzReleaseType,
 );
 
 gen_map!(
@@ -256,7 +257,8 @@ gen_map!(
 	"MusicBrainz Artist Id"                 => MusicBrainzArtistId,
 	"MusicBrainz Album Artist Id"           => MusicBrainzReleaseArtistId,
 	"MusicBrainz Work Id"                   => MusicBrainzWorkId,
-	"MusicBrainz Album Release Country" 	=> ReleaseCountry
+	"MusicBrainz Album Type"				=> MusicBrainzReleaseType,
+	"MusicBrainz Album Release Country" 	=> ReleaseCountry,
 );
 
 gen_map!(
@@ -343,7 +345,8 @@ gen_map!(
 	"----:com.apple.iTunes:MusicBrainz Artist Id"             => MusicBrainzArtistId,
 	"----:com.apple.iTunes:MusicBrainz Album Artist Id"       => MusicBrainzReleaseArtistId,
 	"----:com.apple.iTunes:MusicBrainz Work Id"               => MusicBrainzWorkId,
-	"----:com.apple.iTunes:MusicBrainz Album Release Country" => ReleaseCountry
+	"----:com.apple.iTunes:MusicBrainz Album Type"		  	  => MusicBrainzReleaseType,
+	"----:com.apple.iTunes:MusicBrainz Album Release Country" => ReleaseCountry,
 );
 
 gen_map!(
@@ -456,7 +459,8 @@ gen_map!(
 	"MUSICBRAINZ_RELEASEGROUPID"              => MusicBrainzReleaseGroupId,
 	"MUSICBRAINZ_ARTISTID"                    => MusicBrainzArtistId,
 	"MUSICBRAINZ_ALBUMARTISTID"               => MusicBrainzReleaseArtistId,
-	"MUSICBRAINZ_WORKID"                      => MusicBrainzWorkId
+	"MUSICBRAINZ_WORKID"                      => MusicBrainzWorkId,
+	"RELEASETYPE"							  => MusicBrainzReleaseType,
 );
 
 macro_rules! gen_item_keys {
@@ -738,6 +742,15 @@ gen_item_keys!(
 		/// Reference: <https://picard-docs.musicbrainz.org/en/appendices/tag_mapping.html#musicbrainz-work-id>
 		MusicBrainzWorkId,
 
+		/// MusicBrainz Release Type
+		///
+		/// A description of the MusicBrainz release group type (e.g. `album`, `single`, `ep`, etc.).
+		///
+		/// <https://musicbrainz.org/doc/Release_Group/Type>
+		///
+		/// Reference: <https://picard-docs.musicbrainz.org/en/appendices/tag_mapping.html#id32>
+		MusicBrainzReleaseType,
+
 		///////////////////////////////////////////////////////////////
 
 		// Flags