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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 anyOf patterns
let test_spec = json!({
"openapi": "3.1.0",
"info": {
"title": "AnyOf Union Test API",
"version": "1.0.0"
},
"components": {
"schemas": {
"User": {
"type": "object",
"properties": {
"id": {
"type": "string"
},
"name": {
"type": "string"
}
},
"required": ["id", "name"]
},
"Organization": {
"type": "object",
"properties": {
"id": {
"type": "string"
},
"company_name": {
"type": "string"
}
},
"required": ["id", "company_name"]
},
"NullableUser": {
"anyOf": [
{"$ref": "#/components/schemas/User"},
{"type": "null"}
],
"description": "A user that can be null"
},
"UserOrOrganization": {
"anyOf": [
{"$ref": "#/components/schemas/User"},
{"$ref": "#/components/schemas/Organization"}
],
"description": "Either a user or an organization"
},
"FlexibleId": {
"anyOf": [
{"type": "string"},
{"type": "integer"}
],
"description": "ID that can be string or number"
},
"ComplexAnyOf": {
"anyOf": [
{"$ref": "#/components/schemas/User"},
{"$ref": "#/components/schemas/Organization"},
{
"type": "object",
"properties": {
"type": {
"type": "string",
"enum": ["guest"]
},
"session_id": {
"type": "string"
}
},
"required": ["type", "session_id"]
}
],
"description": "User, organization, or guest session"
},
"ApiResponse": {
"type": "object",
"properties": {
"success": {
"type": "boolean"
},
"data": {
"$ref": "#/components/schemas/UserOrOrganization"
},
"error": {
"$ref": "#/components/schemas/NullableUser"
}
},
"required": ["success"]
}
}
}
});
println!("Creating schema analyzer for anyOf union 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,
match &schema.schema_type {
openapi_to_rust::analysis::SchemaType::Union { variants } => {
format!("Union(variants: {})", variants.len())
}
openapi_to_rust::analysis::SchemaType::DiscriminatedUnion {
discriminator_field,
variants,
} => {
format!(
"DiscriminatedUnion(discriminator: {}, variants: {})",
discriminator_field,
variants.len()
)
}
other => format!("{other:?}"),
}
);
}
println!("\nDetected patterns:");
println!(
" Tagged enums: {:?}",
analysis.patterns.tagged_enum_schemas
);
println!(
" Untagged enums: {:?}",
analysis.patterns.untagged_enum_schemas
);
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: "anyof_api".to_string(),
..Default::default()
};
let generator = CodeGenerator::new(config);
let generated_code = generator.generate(&mut analysis)?;
println!("\nGenerated code:");
println!("{generated_code}");
Ok(())
}