feat: implement media metadata management with EXIF and TrackInfo support

libertas_infra/src/db_models.rs

@@ -10,6 +10,14 @@ pub enum PostgresRole {
     Admin,
 }
 
+#[derive(Debug, Clone, PartialEq, Eq, sqlx::Type)]
+#[sqlx(rename_all = "lowercase")]
+#[sqlx(type_name = "TEXT")]
+pub enum PostgresMediaMetadataSource {
+    Exif,
+    TrackInfo,
+}
+
 
 #[derive(sqlx::FromRow)]
 pub struct PostgresUser {
@@ -51,6 +59,15 @@ pub struct PostgresMedia {
     pub thumbnail_path: Option<String>,
 }
 
+#[derive(sqlx::FromRow)]
+pub struct PostgresMediaMetadata {
+    pub id: uuid::Uuid,
+    pub media_id: uuid::Uuid,
+    pub source: String,
+    pub tag_name: String,
+    pub tag_value: String,
+}
+
 #[derive(Debug, Clone, Copy, sqlx::Type, PartialEq, Eq, Deserialize)]
 #[sqlx(rename_all = "lowercase")]
 #[sqlx(type_name = "album_permission")]