Added Album collection

src/album.rs

@@ -0,0 +1,31 @@
+pub mod collection {
+    use serde::{Deserialize, Serialize};
+
+    fn is_set(num: &i32) -> bool {
+        *num >= 0
+    }
+
+    #[derive(Clone, Debug, Deserialize, Serialize)]
+    pub struct Album {
+        #[serde(skip_serializing_if = "String::is_empty")]
+        #[serde(alias = "album")]
+        pub title: String,
+        pub genre: String,
+        pub year: i32,
+        pub track_count: i32,
+        #[serde(skip_serializing_if = "is_set")]
+        pub disc_count: i32,
+        #[serde(skip_serializing_if = "Vec::is_empty")]
+        pub tracks: Vec<Track>,
+    }
+
+    #[derive(Clone, Debug, Deserialize, Serialize)]
+    pub struct Track {
+        pub title: String,
+        pub artist: String,
+        pub disc: i32,
+        pub track: i32,
+        // In seconds
+        pub duration: f64,
+    }
+}

src/lib.rs

@@ -1,4 +1,5 @@
 pub mod access_level;
+pub mod album;
 pub mod constants;
 pub mod login_result;
 pub mod song;