/// Helper module for database persistence operations
use diesel::prelude::*;
use diesel::sqlite::SqliteConnection;

/// Establish a database connection
pub fn establish_connection(database_url: &str) -> Result<SqliteConnection, diesel::ConnectionError> {
    SqliteConnection::establish(database_url)
}

/// Generic record for simple id/name/data pattern
#[derive(Queryable)]
pub struct SimpleRecord {
    pub id: Option<i32>,
    pub name: String,
    pub data: String,
}

/// Generic record for text-based primary keys
#[derive(Queryable)]
pub struct TextKeyRecord {
    pub key: Option<String>,
    pub secondary: Option<String>,
    pub data: String,
}