This commit is contained in:
kristof 2025-04-04 11:37:42 +02:00
parent 186e339740
commit 39dc7c2004
5 changed files with 194 additions and 14 deletions

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//! Simple binary to test if binaries are working
fn main() {
println!("Hello from dummy binary!");
}

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//! Simple binary to demonstrate Rhai wrapper functionality
use herodb::zaz::cmd::examples::run_rhai_demo;
fn main() -> Result<(), String> {
println!("Running Rhai wrapper examples for zaz models...");
run_rhai_demo()
}

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use chrono::{DateTime, Utc, Duration};
use herodb::db::{DB, DBBuilder};
use herodb::models::biz::{
Currency, CurrencyBuilder,
Product, ProductBuilder, ProductComponent, ProductComponentBuilder,
ProductType, ProductStatus,
Sale, SaleBuilder, SaleItem, SaleItemBuilder, SaleStatus
};
use std::path::PathBuf;
use std::fs;
fn main() -> Result<(), Box<dyn std::error::Error>> {
println!("DB Example 2: Using Builder Pattern and Model-Specific Methods");
println!("============================================================");
// Create a temporary directory for the database
let db_path = PathBuf::from("./tmp/dbexample2");
if db_path.exists() {
fs::remove_dir_all(&db_path)?;
}
fs::create_dir_all(&db_path)?;
println!("Database path: {:?}", db_path);
// Create a database instance with our models registered
let db = DBBuilder::new(&db_path)
.register_model::<Product>()
.register_model::<Currency>()
.register_model::<Sale>()
.build()?;
println!("\n1. Creating Products with Builder Pattern");
println!("----------------------------------------");
// Create a currency using the builder
let usd = CurrencyBuilder::new()
.amount(0.0) // Initial amount
.currency_code("USD")
.build()?;
// Insert the currency
db.insert_currency(&usd)?;
println!("Currency created: ${:.2} {}", usd.amount, usd.currency_code);
// Create product components using the builder
let component1 = ProductComponentBuilder::new()
.id(101)
.name("Basic Support")
.description("24/7 email support")
.quantity(1)
.build()?;
let component2 = ProductComponentBuilder::new()
.id(102)
.name("Premium Support")
.description("24/7 phone and email support")
.quantity(1)
.build()?;
// Create products using the builder
let product1 = ProductBuilder::new()
.id(1)
.name("Standard Plan")
.description("Our standard service offering")
.price(CurrencyBuilder::new()
.amount(29.99)
.currency_code("USD")
.build()?)
.type_(ProductType::Service)
.category("Subscription")
.status(ProductStatus::Available)
.max_amount(1000)
.validity_days(30)
.add_component(component1)
.build()?;
let product2 = ProductBuilder::new()
.id(2)
.name("Premium Plan")
.description("Our premium service offering with priority support")
.price(CurrencyBuilder::new()
.amount(99.99)
.currency_code("USD")
.build()?)
.type_(ProductType::Service)
.category("Subscription")
.status(ProductStatus::Available)
.max_amount(500)
.validity_days(30)
.add_component(component2)
.build()?;
// Insert products using model-specific methods
db.insert_product(&product1)?;
db.insert_product(&product2)?;
println!("Product created: {} (${:.2})", product1.name, product1.price.amount);
println!("Product created: {} (${:.2})", product2.name, product2.price.amount);
println!("\n2. Retrieving Products");
println!("--------------------");
// Retrieve products using model-specific methods
let retrieved_product1 = db.get_product(1)?;
println!("Retrieved: {} (${:.2})", retrieved_product1.name, retrieved_product1.price.amount);
println!("Components:");
for component in &retrieved_product1.components {
println!(" - {} ({})", component.name, component.description);
}
println!("\n3. Listing All Products");
println!("----------------------");
// List all products using model-specific methods
let all_products = db.list_products()?;
println!("Found {} products:", all_products.len());
for product in all_products {
println!(" - {} (${:.2}, {})",
product.name,
product.price.amount,
if product.is_purchasable() { "Available" } else { "Unavailable" }
);
}
println!("\n4. Creating a Sale");
println!("-----------------");
// Create a sale using the builder
let now = Utc::now();
let item1 = SaleItemBuilder::new()
.id(201)
.sale_id(1)
.product_id(1)
.name("Standard Plan")
.quantity(1)
.unit_price(CurrencyBuilder::new()
.amount(29.99)
.currency_code("USD")
.build()?)
.active_till(now + Duration::days(30))
.build()?;
let sale = SaleBuilder::new()
.id(1)
.company_id(101)
.buyer_name("John Doe")
.buyer_email("john.doe@example.com")
.currency_code("USD")
.status(SaleStatus::Pending)
.add_item(item1)
.build()?;
// Insert the sale using model-specific methods
db.insert_sale(&sale)?;
println!("Sale created: #{} for {} (${:.2})",
sale.id,
sale.buyer_name,
sale.total_amount.amount
);
println!("\n5. Updating a Sale");
println!("-----------------");
// Retrieve the sale, update it, and save it back
let mut retrieved_sale = db.get_sale(1)?;
println!("Retrieved sale: #{} with status {:?}", retrieved_sale.id, retrieved_sale.status);
// Update the status
retrieved_sale.update_status(SaleStatus::Completed);
db.insert_sale(&retrieved_sale)?;
println!("Updated sale status to {:?}", retrieved_sale.status);
println!("\n6. Deleting Objects");
println!("------------------");
// Delete a product
db.delete_product(2)?;
println!("Deleted product #2");
// List remaining products
let remaining_products = db.list_products()?;
println!("Remaining products: {}", remaining_products.len());
for product in remaining_products {
println!(" - {}", product.name);
}
println!("\nExample completed successfully!");
Ok(())
}

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//! and includes support for defining and working with data models.
// Core modules
mod db;
mod error;
pub mod db;
pub mod error;
pub mod models;
// Re-exports
pub use error::Error;

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herodb/src/models/mod.rs Normal file
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pub mod biz;