implement more models and rhai examples

heromodels/examples/flow_rhai/example.rs

@@ -0,0 +1,36 @@
+use heromodels::db::hero::OurDB;
+use heromodels::models::flow::register_flow_rhai_module;
+use rhai::Engine;
+use std::sync::Arc;
+use std::{fs, path::Path};
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    // Initialize Rhai engine
+    let mut engine = Engine::new();
+
+    // Initialize database with OurDB
+    // Using a temporary/in-memory database for the example
+    let db = Arc::new(OurDB::new("temp_flow_rhai_db", true).expect("Failed to create database"));
+
+    // Register flow Rhai module functions
+    register_flow_rhai_module(&mut engine, db.clone());
+
+    // Load and evaluate the Rhai script
+    let script_path_str = "examples/flow_rhai/flow.rhai";
+    let script_path = Path::new(script_path_str);
+    if !script_path.exists() {
+        eprintln!("Error: Rhai script not found at {}", script_path_str);
+        eprintln!("Please ensure the script 'flow.rhai' exists in the 'examples/flow_rhai/' directory.");
+        return Err(Box::new(std::io::Error::new(std::io::ErrorKind::NotFound, format!("Rhai script not found: {}", script_path_str))));
+    }
+
+    println!("Executing Rhai script: {}", script_path_str);
+    let script = fs::read_to_string(script_path)?;
+    
+    match engine.eval::<()>(&script) {
+        Ok(_) => println!("\nRhai script executed successfully!"),
+        Err(e) => eprintln!("\nRhai script execution failed: {}\nDetails: {:#?}", e, e),
+    }
+
+    Ok(())
+}