tape: implement destroy_media

src/tape/inventory.rs

@@ -251,6 +251,16 @@ impl Inventory {
         Ok(())
     }
 
+    /// Remove a single media persistently
+    pub fn remove_media(&mut self, uuid: &Uuid)  -> Result<(), Error> {
+        let _lock = self.lock()?;
+        self.map = Self::load_media_db(&self.inventory_path)?;
+        self.map.remove(uuid);
+        self.update_helpers();
+        self.replace_file()?;
+        Ok(())
+    }
+
     /// Lookup media
     pub fn lookup_media(&self, uuid: &Uuid) -> Option<&MediaId> {
         self.map.get(uuid)

src/tape/media_state_database.rs

@@ -201,6 +201,14 @@ impl MediaStateDatabase {
         self.store()
     }
 
+    /// Lock database, reload database, remove media, store database
+    pub fn remove_media(&mut self, uuid: &Uuid) -> Result<(), Error> {
+        let _lock = self.lock()?;
+        self.map = Self::load_media_db(&self.database_path)?;
+        self.map.remove(uuid);
+        self.store()
+    }
+
     fn store(&self) -> Result<(), Error> {
 
         let mut list = Vec::new();