splinter 0.3.14

// Copyright 2018-2020 Cargill Incorporated
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

use std::error::Error;
use std::fmt;

#[derive(Debug)]
pub enum DatabaseError {
    ConnectionError(Box<dyn Error>),
    QueryError(Box<dyn Error>),
}

impl Error for DatabaseError {
    fn source(&self) -> Option<&(dyn Error + 'static)> {
        match self {
            DatabaseError::ConnectionError(e) => Some(&**e),
            DatabaseError::QueryError(e) => Some(&**e),
        }
    }
}

impl fmt::Display for DatabaseError {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        match self {
            DatabaseError::ConnectionError(e) => write!(f, "Unable to connect to database: {}", e),
            DatabaseError::QueryError(e) => write!(f, "Database query failed: {}", e),
        }
    }
}

impl From<diesel::result::Error> for DatabaseError {
    fn from(err: diesel::result::Error) -> Self {
        DatabaseError::QueryError(Box::new(err))
    }
}