184 lines
5.4 KiB
Go
184 lines
5.4 KiB
Go
package swaggerset
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import (
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"encoding/json"
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"fmt"
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"log"
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"reflect"
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"strings"
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"github.com/getkin/kin-openapi/openapi3"
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dynamicstruct "github.com/ompluscator/dynamic-struct"
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)
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type messages struct {
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Msgs []message
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}
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func newMessages() *messages {
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return &messages{
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Msgs: make([]message, 0),
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}
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}
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type message struct {
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Type string
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RequestParam interface{}
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RequestBody interface{}
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Response interface{}
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}
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func Run4() {
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// Загружаем Swagger-документ
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loader := openapi3.NewLoader()
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doc, err := loader.LoadFromFile("swagger2.yaml")
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if err != nil {
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log.Fatalf("Ошибка загрузки Swagger-документа: %v", err)
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}
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// Пример обработки путей
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for path, pathItem := range doc.Paths.Map() {
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fmt.Printf("Path: %s\n", path)
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// Пример обработки методов
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if pathItem.Get != nil {
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handleOperation("GET", pathItem.Get)
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}
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if pathItem.Post != nil {
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handleOperation("POST", pathItem.Post)
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}
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}
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}
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// Обработка операции (GET или POST)
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func handleOperation(method string, operation *openapi3.Operation) (reqParam, reqBody, rsp interface{}) {
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fmt.Printf(" Method: %s\n", method)
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// Обработка параметров (GET)
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if len(operation.Parameters) > 0 {
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paramsStruct := dynamicstruct.NewStruct()
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for _, paramRef := range operation.Parameters {
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param := paramRef.Value
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fieldName := capitalize(param.Name)
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goType := getGoType(param.Schema)
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// В зависимости от того, где параметр находится (header, query, path, etc.), добавляем соответствующий тег
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switch param.In {
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case "query":
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paramsStruct = paramsStruct.AddField(fieldName, goType, fmt.Sprintf(`json:"%s" query:"%s"`, param.Name, param.Name))
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case "header":
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paramsStruct = paramsStruct.AddField(fieldName, goType, fmt.Sprintf(`json:"%s" header:"%s"`, param.Name, param.Name))
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default:
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paramsStruct = paramsStruct.AddField(fieldName, goType, fmt.Sprintf(`json:"%s"`, param.Name))
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}
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}
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requestStruct := paramsStruct.Build().New()
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fmt.Printf(" Request (Parameters): %+v\n", requestStruct)
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buf, _ := json.Marshal(requestStruct)
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fmt.Printf(" Request (Parameters) JSON: %s\n", buf)
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reqParam = requestStruct
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}
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// Обработка тела запроса (POST)
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if operation.RequestBody != nil {
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for _, content := range operation.RequestBody.Value.Content {
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bodyFields := buildDynamicStruct(content.Schema)
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bodyStruct := reflect.StructOf(bodyFields)
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bodyInstance := reflect.New(bodyStruct).Interface()
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fmt.Printf(" Request (Body): %+v\n", bodyInstance)
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buf, _ := json.Marshal(bodyInstance)
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fmt.Printf(" Request (Body) JSON: %s\n", buf)
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reqBody = bodyInstance
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}
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}
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// Обработка ответов
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for status, response := range operation.Responses.Map() {
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fmt.Printf(" Response Code: %s\n", status)
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for _, content := range response.Value.Content {
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responseFields := buildDynamicStruct(content.Schema)
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responseStruct := reflect.StructOf(responseFields)
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responseInstance := reflect.New(responseStruct).Interface()
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fmt.Printf(" Response: %+v\n", responseInstance)
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buf, _ := json.Marshal(responseInstance)
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fmt.Printf(" Response JSON: %s\n", buf)
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rsp = responseInstance
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}
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}
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return
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}
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// Рекурсивное создание структуры из схемы с учетом $ref
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func buildDynamicStruct(schema *openapi3.SchemaRef) []reflect.StructField {
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var builder []reflect.StructField
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fmt.Println("ref: ", schema.Ref)
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if len(schema.Value.Properties) == 0 {
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return builder
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}
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for name, prop := range schema.Value.Properties {
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fieldName := capitalize(name)
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if prop.Ref != "" || prop.Value.Type.Is("object") {
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subBuilder := buildDynamicStruct(prop)
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sfield := reflect.StructField{
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Name: fieldName,
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Type: reflect.StructOf(subBuilder),
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Tag: reflect.StructTag(fmt.Sprintf(`json:"%s"`, name)),
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}
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builder = append(builder, sfield)
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} else {
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sfield := reflect.StructField{
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Name: fieldName,
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Type: reflect.TypeOf(getGoType(prop)),
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Tag: reflect.StructTag(fmt.Sprintf(`json:"%s"`, name)),
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}
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builder = append(builder, sfield)
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}
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}
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return builder
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}
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// Преобразование типа OpenAPI в тип Go
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func getGoType(schema *openapi3.SchemaRef) interface{} {
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switch {
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case schema.Value.Type.Is("string"):
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return ""
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case schema.Value.Type.Is("integer"):
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return 0
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case schema.Value.Type.Is("boolean"):
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return false
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case schema.Value.Type.Is("array"):
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return []interface{}{}
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case schema.Value.Type.Is("object"):
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return buildDynamicStruct(schema)
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default:
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return nil
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}
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}
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func capitalize(fieldName string) string {
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// Заменяем точки на подчеркивания для унификации
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fieldName = strings.ReplaceAll(fieldName, ".", "_")
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// Разделяем строку по подчеркиваниям
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parts := strings.Split(fieldName, "_")
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if len(parts) == 1 {
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return strings.ToUpper(fieldName[:1]) + fieldName[1:]
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}
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// Обрабатываем каждый фрагмент
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for i := 0; i < len(parts); i++ {
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// Капитализируем первые буквы всех частей, кроме первой
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parts[i] = strings.Title(parts[i])
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}
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// Собираем строку обратно, соединяя части без подчеркиваний
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return strings.Join(parts, "")
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}
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