db/heromodels/examples/custom_model_example.rs
2025-06-19 13:18:10 +03:00

66 lines
2.0 KiB
Rust

use heromodels::db::{Collection, Db};
use heromodels_core::{BaseModelData, Model};
use heromodels_derive::model;
use serde::{Deserialize, Serialize};
// Define a custom attribute for indexing
#[derive(Debug, Clone, Serialize, Deserialize)]
#[model]
pub struct CustomUser {
pub base_data: BaseModelData,
// Mark fields for indexing with attributes
#[index]
pub login: String,
#[index]
pub is_active: bool,
pub full_name: String,
}
fn main() {
println!("Hero Models - Custom Model Example");
println!("==================================");
// Create a new DB instance, reset before every run
let db_path = "/tmp/ourdb_custom_model_example";
let db = heromodels::db::hero::OurDB::new(db_path, true).expect("Can create DB");
// Example usage of the generated implementation
println!("CustomUser DB Prefix: {}", CustomUser::db_prefix());
let user = CustomUser {
base_data: BaseModelData::new(), // ID will be auto-generated by OurDB
login: "johndoe".to_string(),
is_active: true,
full_name: "John Doe".to_string(),
};
println!("\nBefore saving - CustomUser ID: {}", user.get_id());
println!("Before saving - CustomUser DB Keys: {:?}", user.db_keys());
// Save the model to the database
let collection = db
.collection::<CustomUser>()
.expect("can open user collection");
let (user_id, saved_user) = collection.set(&user).expect("can save user");
println!("\nAfter saving - CustomUser ID: {}", saved_user.get_id());
println!(
"After saving - CustomUser DB Keys: {:?}",
saved_user.db_keys()
);
println!("Returned ID: {}", user_id);
// Verify that the ID was auto-generated
assert_eq!(saved_user.get_id(), user_id);
assert_ne!(saved_user.get_id(), 0);
println!("\nExample finished. DB stored at {}", db_path);
println!(
"To clean up, you can manually delete the directory: {}",
db_path
);
}