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use openapi_to_rust::{CodeGenerator, GeneratorConfig, SchemaAnalyzer};
use serde_json::json;
fn main() -> Result<(), Box<dyn std::error::Error>> {
// Create an OpenAPI spec with allOf composition
let test_spec = json!({
"openapi": "3.1.0",
"info": {
"title": "Composition Test API",
"version": "1.0.0"
},
"components": {
"schemas": {
"BaseEntity": {
"type": "object",
"properties": {
"id": {
"type": "string",
"description": "Unique identifier"
},
"created_at": {
"type": "string",
"format": "date-time"
}
},
"required": ["id"]
},
"PersonalInfo": {
"type": "object",
"properties": {
"name": {
"type": "string"
},
"email": {
"type": "string",
"format": "email"
}
},
"required": ["name"]
},
"User": {
"allOf": [
{"$ref": "#/components/schemas/BaseEntity"},
{"$ref": "#/components/schemas/PersonalInfo"},
{
"type": "object",
"properties": {
"role": {
"type": "string",
"enum": ["user", "admin", "moderator"]
},
"is_active": {
"type": "boolean"
}
},
"required": ["role"]
}
],
"description": "A user combining base entity, personal info, and user-specific fields"
},
"Product": {
"allOf": [
{"$ref": "#/components/schemas/BaseEntity"},
{
"type": "object",
"properties": {
"name": {
"type": "string"
},
"price": {
"type": "number",
"minimum": 0
},
"category": {
"$ref": "#/components/schemas/Category"
}
},
"required": ["name", "price"]
}
]
},
"Category": {
"type": "object",
"properties": {
"name": {
"type": "string"
},
"description": {
"type": "string"
}
},
"required": ["name"]
}
}
}
});
println!("Creating schema analyzer for allOf composition test...");
let mut analyzer = SchemaAnalyzer::new(test_spec)?;
println!("Analyzing schemas...");
let mut analysis = analyzer.analyze()?;
println!("Found {} schemas:", analysis.schemas.len());
for (name, schema) in &analysis.schemas {
println!(" - {}: {:?}", name, schema.schema_type);
}
println!("\nDependency graph:");
for (schema, deps) in &analysis.dependencies.edges {
if !deps.is_empty() {
println!(" {schema} depends on: {deps:?}");
}
}
println!("\nGenerating code...");
let config = GeneratorConfig {
module_name: "composition_api".to_string(),
..Default::default()
};
let generator = CodeGenerator::new(config);
let generated_code = generator.generate(&mut analysis)?;
println!("\nGenerated code:");
println!("{generated_code}");
Ok(())
}