rustyroad 1.8.4

Rusty Road is a framework written in Rust that is based on Ruby on Rails. It is designed to provide the familiar conventions and ease of use of Ruby on Rails, while also taking advantage of the performance and efficiency of Rust.
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//! Backend dispatch for enum inspection.

use super::model::EnumOutput;
use super::{mysql, postgres};
use crate::database::migrations::CustomMigrationError;
use crate::database::{get_config_file_name, Database, DatabaseConnection};

/// Reads the user-defined enum types of the database configured in
/// `rustyroad.toml`. SQLite has no enum type and yields an empty list.
pub async fn read_enums() -> Result<EnumOutput, CustomMigrationError> {
    let database = Database::get_database_from_rustyroad_toml()
        .expect("Couldn't parse the rustyroad.toml file");

    let config_file = get_config_file_name();

    let connection = Database::create_database_connection(&database)
        .await
        .map_err(CustomMigrationError::SendError)?;

    let database_type = database.database_type.to_string().to_ascii_lowercase();

    let enums = match connection {
        DatabaseConnection::Pg(conn) => postgres::postgres_enums(&conn).await?,
        DatabaseConnection::MySql(conn) => mysql::mysql_enums(&conn).await?,
        DatabaseConnection::Sqlite(_) => Vec::new(),
    };

    Ok(EnumOutput {
        database_type,
        config_file,
        enums,
    })
}