...

rhai_engine/examples/simple/producttemplates/product_catalog.tera

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+# Product Catalog
+
+{% let products = get_products() %}
+
+## All Products
+
+{% for product in products %}
+### {{ product.name }}
+
+**Price:** {{ format_price(product.price) }}
+
+#### Features:
+{% for feature in product.features %}
+- {{ feature }}
+{% endfor %}
+
+*Status: {% if product.available %}✅ In Stock{% else %}❌ Out of Stock{% endif %}*
+
+---
+{% endfor %}
+
+## Available Products
+
+{% let available_products = get_available_products() %}
+*Available Products: {{ available_products.len() }}*
+
+{% for product in available_products %}
+### {{ product.name }}
+
+**Price:** {{ format_price(product.price) }}
+
+---
+{% endfor %}
+
+## Total Catalog Value
+
+**Total Value:** {{ format_price(calculate_total_price()) }}
+
+## User Information
+
+{% let user = get_user() %}
+
+**Name:** {{ user.name }}  
+**Email:** {{ user.email }}  
+**Role:** {{ user.role }}  
+**Theme:** {{ user.settings.theme }}
+
+### Order History
+
+{% for order in user.orders %}
+- **{{ order.id }}** ({{ order.date }}) - {{ format_price(order.total) }}
+{% endfor %}
+
+## All Product Features
+
+{% let features = get_all_features() %}
+{% for feature in features %}
+- {{ feature }}
+{% endfor %}

rhai_engine/examples/simple/producttemplates/readme.md

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+the data objects which need to be filled into product_catalog.tera come from ../scripts/
+

rhai_engine/examples/simple/scriptloader/scripts/data_objects.rhai

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+// Data objects for Tera template integration
+// This script defines complex objects that can be accessed from Tera templates
+
+// Create a products catalog object
+fn create_products() {
+    let products = [
+        #{
+            id: 1,
+            name: "Laptop",
+            price: 1299.99,
+            features: [
+                "16GB RAM",
+                "512GB SSD",
+                "Intel i7 processor"
+            ],
+            available: true
+        },
+        #{
+            id: 2,
+            name: "Smartphone",
+            price: 899.99,
+            features: [
+                "6.7 inch display",
+                "128GB storage",
+                "12MP camera"
+            ],
+            available: true
+        },
+        #{
+            id: 3,
+            name: "Tablet",
+            price: 499.99,
+            features: [
+                "10.9 inch display",
+                "64GB storage",
+                "A14 chip"
+            ],
+            available: false
+        },
+        #{
+            id: 4,
+            name: "Headphones",
+            price: 249.99,
+            features: [
+                "Noise cancellation",
+                "Wireless",
+                "20h battery life"
+            ],
+            available: true
+        }
+    ];
+    
+    products
+}
+
+// Get all products
+fn get_products() {
+    create_products()
+}
+
+// Get available products only
+fn get_available_products() {
+    let all_products = create_products();
+    let available = [];
+    
+    for product in all_products {
+        if product.available {
+            available.push(product);
+        }
+    }
+    
+    available
+}
+
+// Get a specific product by ID
+fn get_product_by_id(id) {
+    let products = create_products();
+    
+    // Convert ID to integer to ensure type compatibility
+    let search_id = id.to_int();
+    
+    for product in products {
+        if product.id == search_id {
+            return product;
+        }
+    }
+    
+    #{}  // Return empty object if not found
+}
+
+// Calculate total price of all products
+fn calculate_total_price() {
+    let products = create_products();
+    let total = 0.0;
+    
+    for product in products {
+        total += product.price;
+    }
+    
+    total
+}
+
+// Format price with currency symbol
+fn format_price(price) {
+    "$" + price.to_string()
+}
+
+// Get all product features as a flattened array
+fn get_all_features() {
+    let products = create_products();
+    let all_features = [];
+    
+    for product in products {
+        for feature in product.features {
+            all_features.push(feature);
+        }
+    }
+    
+    all_features
+}
+
+// Get a user object
+fn get_user() {
+    #{
+        name: "John Doe",
+        email: "john@example.com",
+        role: "admin",
+        settings: #{
+            theme: "dark",
+            notifications: true,
+            language: "en"
+        },
+        orders: [
+            #{
+                id: "ORD-001",
+                date: "2025-03-25",
+                total: 1299.99
+            },
+            #{
+                id: "ORD-002",
+                date: "2025-04-01",
+                total: 249.99
+            }
+        ]
+    }
+}