Added migration to remove album from the db

src/migrations/migration3_remove_img.rs

@@ -0,0 +1,20 @@
+use j_db::database::Database;
+use j_db::migration::Migration;
+
+pub struct Migration3RemoveImage {}
+
+impl Migration for Migration3RemoveImage {
+    fn up(&self, db: &Database) -> j_db::error::Result<()> {
+        db.db.drop_tree("Album")?;
+        Ok(())
+    }
+
+    fn down(&self, _db: &Database) -> j_db::error::Result<()> {
+        // Nothing to do
+        Ok(())
+    }
+
+    fn version(&self) -> u64 {
+        3
+    }
+}

src/migrations/mod.rs

@@ -2,10 +2,12 @@ use crate::migrations::migration2_remove_imgur::Migration2RemoveImgur;
 use j_db::database::Database;
 use j_db::migration;
 use j_db::migration::Direction;
+use crate::migrations::migration3_remove_img::Migration3RemoveImage;
 
 mod migration2_remove_imgur;
+mod migration3_remove_img;
 
-const CURRENT_DB_VERSION: u64 = 2;
+const CURRENT_DB_VERSION: u64 = 3;
 
 #[allow(clippy::single_match)]
 pub fn do_migration(db: &Database) {
@@ -20,6 +22,14 @@ pub fn do_migration(db: &Database) {
                 )
                 .unwrap();
             }
+            3 => {
+                migration::do_migration::<Migration3RemoveImage>(
+                    db,
+                    Migration3RemoveImage {},
+                    Direction::Up,
+                )
+                    .unwrap();
+            }
             _ => {}
         }
     }