rustorm-core 0.1.2

Core traits, types and utilities for RustORM
Documentation 
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use thiserror::Error;

#[derive(Debug, Error)]
pub enum OrmError {
    #[error("Record not found")]
    NotFound,

    #[error("Database error: {0}")]
    Database(#[from] sqlx::Error),

    #[error("Validation failed: {0}")]
    Validation(String),

    #[error("Forbidden: {0}")]
    Forbidden(String),

    #[error("Unique constraint violation on field `{field}`")]
    UniqueViolation { field: String },

    #[error("Foreign key violation: {0}")]
    ForeignKeyViolation(String),

    #[error("Encryption error: {0}")]
    Encryption(String),

    #[error("Decryption error: {0}")]
    Decryption(String),

    #[error("Hashing error: {0}")]
    Hashing(String),

    #[error("Type conversion error: {0}")]
    TypeConversion(String),

    #[error("Migration error: {0}")]
    Migration(String),

    #[error("Configuration error: {0}")]
    Config(String),

    #[error("Transaction error: {0}")]
    Transaction(String),

    #[error("Pool timeout")]
    PoolTimeout,

    #[error("Serialization error: {0}")]
    Serialization(#[from] serde_json::Error),

    #[error("{0}")]
    Custom(String),
}

impl OrmError {
    /// Пытается определить нарушение уникального ограничения из sqlx::Error
    pub fn from_sqlx(err: sqlx::Error) -> Self {
        if let sqlx::Error::Database(ref db_err) = err {
            let msg = db_err.message();
            // PostgreSQL unique violation code = 23505
            if db_err.code().as_deref() == Some("23505") {
                // Попытка извлечь имя поля из сообщения
                let field = db_err.constraint().unwrap_or("unknown").to_string();
                return OrmError::UniqueViolation { field };
            }
            // PostgreSQL foreign key violation code = 23503
            if db_err.code().as_deref() == Some("23503") {
                return OrmError::ForeignKeyViolation(msg.to_string());
            }
        }
        OrmError::Database(err)
    }
}

pub type OrmResult<T> = Result<T, OrmError>;