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rhai_engine/src/terra_integration/scripts/data_objects.rhai
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rhai_engine/src/terra_integration/scripts/data_objects.rhai
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// Data objects for Terra template integration
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// This script defines complex objects that can be accessed from Terra templates
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// Create a products catalog object
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fn create_products() {
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let products = [
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#{
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id: 1,
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name: "Laptop",
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price: 1299.99,
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features: [
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"16GB RAM",
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"512GB SSD",
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"Intel i7 processor"
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],
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available: true
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},
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#{
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id: 2,
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name: "Smartphone",
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price: 899.99,
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features: [
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"6.7 inch display",
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"128GB storage",
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"12MP camera"
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],
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available: true
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},
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#{
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id: 3,
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name: "Tablet",
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price: 499.99,
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features: [
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"10.9 inch display",
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"64GB storage",
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"A14 chip"
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],
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available: false
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},
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#{
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id: 4,
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name: "Headphones",
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price: 249.99,
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features: [
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"Noise cancellation",
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"Wireless",
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"20h battery life"
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],
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available: true
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}
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];
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products
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}
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// Get all products
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fn get_products() {
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create_products()
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}
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// Get available products only
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fn get_available_products() {
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let all_products = create_products();
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let available = [];
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for product in all_products {
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if product.available {
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available.push(product);
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}
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}
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available
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}
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// Get a specific product by ID
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fn get_product_by_id(id) {
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let products = create_products();
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// Convert ID to integer to ensure type compatibility
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let search_id = id.to_int();
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for product in products {
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if product.id == search_id {
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return product;
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}
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}
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#{} // Return empty object if not found
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}
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// Calculate total price of all products
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fn calculate_total_price() {
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let products = create_products();
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let total = 0.0;
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for product in products {
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total += product.price;
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}
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total
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}
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// Format price with currency symbol
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fn format_price(price) {
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"$" + price.to_string()
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}
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// Get all product features as a flattened array
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fn get_all_features() {
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let products = create_products();
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let all_features = [];
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for product in products {
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for feature in product.features {
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all_features.push(feature);
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}
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}
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all_features
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}
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// Get a user object
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fn get_user() {
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#{
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name: "John Doe",
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email: "john@example.com",
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role: "admin",
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settings: #{
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theme: "dark",
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notifications: true,
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language: "en"
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},
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orders: [
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#{
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id: "ORD-001",
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date: "2025-03-25",
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total: 1299.99
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},
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#{
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id: "ORD-002",
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date: "2025-04-01",
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total: 249.99
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}
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]
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}
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}
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<html>
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<head>
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<title>Product Catalog</title>
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<style>
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body {
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font-family: Arial, sans-serif;
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margin: 0;
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padding: 20px;
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}
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.product {
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border: 1px solid #ddd;
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padding: 10px;
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margin-bottom: 10px;
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border-radius: 5px;
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}
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.product-available {
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background-color: #f0fff0;
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}
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.product-unavailable {
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background-color: #fff0f0;
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}
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.features {
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margin-top: 5px;
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}
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.price {
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font-weight: bold;
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color: #2a5885;
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}
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.total {
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margin-top: 20px;
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text-align: right;
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font-size: 1.2em;
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}
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.user-info {
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background-color: #f5f5f5;
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padding: 10px;
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margin-top: 20px;
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border-radius: 5px;
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}
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</style>
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</head>
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<body>
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<h1>Product Catalog</h1>
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<!-- Call Rhai function to get products and iterate over them -->
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{% let products = data_objects:get_products() %}
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<h2>All Products</h2>
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{% for product in products %}
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<div class="product {% if product.available %}product-available{% else %}product-unavailable{% endif %}">
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<h3>{{ product.name }}</h3>
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<div class="price">{{ data_objects:format_price(product.price) }}</div>
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<div class="features">
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<strong>Features:</strong>
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<ul>
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{% for feature in product.features %}
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<li>{{ feature }}</li>
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{% endfor %}
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</ul>
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</div>
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<div>
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{% if product.available %}
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<span class="available">In Stock</span>
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{% else %}
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<span class="unavailable">Out of Stock</span>
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{% endif %}
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</div>
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</div>
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{% endfor %}
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<!-- Call Rhai function to get only available products -->
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{% let available_products = data_objects:get_available_products() %}
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<h2>Available Products ({{ available_products.len() }})</h2>
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{% for product in available_products %}
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<div class="product product-available">
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<h3>{{ product.name }}</h3>
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<div class="price">{{ data_objects:format_price(product.price) }}</div>
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</div>
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{% endfor %}
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<!-- Display total price using Rhai function -->
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<div class="total">
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Total Catalog Value: {{ data_objects:format_price(data_objects:calculate_total_price()) }}
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</div>
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<!-- Display user information from Rhai function -->
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{% let user = data_objects:get_user() %}
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<div class="user-info">
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<h2>User Information</h2>
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<p><strong>Name:</strong> {{ user.name }}</p>
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<p><strong>Email:</strong> {{ user.email }}</p>
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<p><strong>Role:</strong> {{ user.role }}</p>
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<p><strong>Theme:</strong> {{ user.settings.theme }}</p>
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<h3>Order History</h3>
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<ul>
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{% for order in user.orders %}
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<li>
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<strong>{{ order.id }}</strong> ({{ order.date }}) -
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{{ data_objects:format_price(order.total) }}
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</li>
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{% endfor %}
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</ul>
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</div>
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<!-- List all unique features -->
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<h2>All Features</h2>
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<ul>
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{% let features = data_objects:get_all_features() %}
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{% for feature in features %}
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<li>{{ feature }}</li>
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{% endfor %}
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</ul>
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</body>
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</html>
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