use thiserror::Error;
#[derive(Error, Debug)]
pub enum ResearchError {
#[error("database error: {0}")]
Database(#[from] rusqlite::Error),
#[error("io error: {0}")]
Io(#[from] std::io::Error),
#[error("serialization error: {0}")]
Serialization(#[from] serde_json::Error),
#[error("config error: {0}")]
Config(String),
#[error("not found: {0}")]
NotFound(String),
#[error("duplicate: {0}")]
Duplicate(String),
#[error("validation error: {0}")]
Validation(String),
#[error("source error: {0}")]
Source(String),
}
pub type Result<T> = std::result::Result<T, ResearchError>;