add fav + opti

rklipd/src/database.rs

@@ -30,6 +30,14 @@ impl Database {
              PRAGMA foreign_keys=ON;",
         )?;
 
+        conn.execute_batch(
+            "CREATE TABLE IF NOT EXISTS schema_version (version INTEGER NOT NULL DEFAULT 1);",
+        )?;
+        conn.execute(
+            "INSERT INTO schema_version (version) SELECT 1 WHERE NOT EXISTS (SELECT 1 FROM schema_version)",
+            [],
+        )?;
+
         conn.execute(
             "CREATE TABLE IF NOT EXISTS history (
                 id        INTEGER PRIMARY KEY AUTOINCREMENT,
@@ -296,12 +304,14 @@ impl Database {
     }
 
     pub fn clear_history(&self) -> Result<(), Box<dyn Error>> {
+        self.conn.execute("DELETE FROM history", [])?;
+
         let images_dir = Path::new(&self.dir_path).join("images");
         if images_dir.exists() {
             fs::remove_dir_all(&images_dir)?;
         }
         fs::create_dir_all(&images_dir)?;
-        self.conn.execute("DELETE FROM history", [])?;
+
         Ok(())
     }
 }