Repository start method

src/data/repositories.rs

@@ -24,6 +24,7 @@ where
     fn save(&mut self, entity: &mut EntityHandle<T>) -> MaybeError;
     fn delete(&mut self, handle: EntityHandle<T>) -> MaybeError;
     fn init(&mut self) -> MaybeError;
+    fn start(&mut self) -> MaybeError;
     fn reload(&mut self) -> MaybeError;
 }
 
@@ -375,6 +376,15 @@ impl<T: EntityData + Clone, D: DbLayer<T>> Repository<T, D> for DataRepositoryIn
         Ok(())
     }
 
+    fn start(&mut self) -> MaybeError {
+        if self.version != 0 {
+            return Ok(())
+        }
+
+        self.init()?;
+        Ok(())
+    }
+
     fn reload(&mut self) -> MaybeError {
         self.cache.clear();
         self.temporal.clear();