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/*
* Copyright 2024 CloudWeGo Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package main
import (
"fmt"
"log"
"github.com/davecgh/go-spew/spew"
"github.com/getkin/kin-openapi/openapi3"
"github.com/cloudwego/eino/schema"
)
func main() {
OpenapiDocToToolInfo()
}
func OpenapiDocToToolInfo() {
loader := openapi3.NewLoader()
// 解析 JSON 文档为 json Schema
doc, err := loader.LoadFromFile("./openapi.json")
if err != nil {
log.Fatalf("解析 openapi.json 失败: %v", err)
}
// **** 如果是对 path 的 body 引用 ****
// eg: POST /api/v1/todo
schemaVal01, err := GetSchemaFromPath(doc, "POST", "/api/v1/todo")
if err != nil {
log.Fatalf("获取 ref 失败: %v", err)
}
toolInfo := schema.ToolInfo{
Name: "todo_manager",
Desc: "manage todo list",
ParamsOneOf: schema.NewParamsOneOfByOpenAPIV3(schemaVal01),
}
fmt.Printf("\n=========tool from api path=========\n")
spew.Dump(toolInfo)
// **** 如果有 ref 引用 ****
// eg: refName "#/components/schemas/TodoRequest" => ref := "TodoRequest"
schemaVal02, err := GetSchemaFromRef(doc, "TodoRequest")
if err != nil {
log.Fatalf("获取 ref 失败: %v", err)
}
testToolInfo := schema.ToolInfo{
Name: "test",
Desc: "test desc",
ParamsOneOf: schema.NewParamsOneOfByOpenAPIV3(schemaVal02),
}
fmt.Printf("\n\n=========tool from schema ref=========\n")
spew.Dump(testToolInfo)
}
// 获取引用的 schema
func GetSchemaFromRef(doc *openapi3.T, ref string) (*openapi3.Schema, error) {
schemaRef, ok := doc.Components.Schemas[ref]
if !ok {
return nil, fmt.Errorf("未找到引用: %s", ref)
}
return schemaRef.Value, nil
}
// 获取 path 的 schema
func GetSchemaFromPath(doc *openapi3.T, method string, path string) (*openapi3.Schema, error) {
pattItem := doc.Paths.Find(path)
if pattItem == nil {
return nil, fmt.Errorf("未找到 path: %s", path)
}
methodItem := pattItem.GetOperation(method)
if methodItem == nil {
return nil, fmt.Errorf("未找到 method: %s", method)
}
reqBody := methodItem.RequestBody
if reqBody == nil || reqBody.Value == nil || reqBody.Value.Content == nil {
return nil, fmt.Errorf("未找到 requestBody: %s %s", method, path)
}
jschema := reqBody.Value.Content["application/json"]
if jschema == nil || jschema.Schema == nil {
return nil, fmt.Errorf("未找到 schema: %s %s", method, path)
}
return jschema.Schema.Value, nil
}