Files
go-zero/tools/goctl/api/swagger/swagger.go

320 lines
8.4 KiB
Go

package swagger
import (
"strings"
"time"
"github.com/go-openapi/spec"
apiSpec "github.com/zeromicro/go-zero/tools/goctl/api/spec"
"github.com/zeromicro/go-zero/tools/goctl/internal/version"
"github.com/zeromicro/go-zero/tools/goctl/util"
)
func spec2Swagger(api *apiSpec.ApiSpec) (*spec.Swagger, error) {
extensions, info := specExtensions(api.Info)
swagger := &spec.Swagger{
VendorExtensible: spec.VendorExtensible{
Extensions: extensions,
},
SwaggerProps: spec.SwaggerProps{
Consumes: getListFromInfoOrDefault(api.Info.Properties, "consumes", []string{applicationJson}),
Produces: getListFromInfoOrDefault(api.Info.Properties, "produces", []string{applicationJson}),
Schemes: getListFromInfoOrDefault(api.Info.Properties, "schemes", []string{schemeHttps}),
Swagger: swaggerVersion,
Info: info,
Host: getStringFromKVOrDefault(api.Info.Properties, "host", defaultHost),
BasePath: getStringFromKVOrDefault(api.Info.Properties, "basePath", defaultBasePath),
Paths: spec2Paths(api.Info, api.Service),
SecurityDefinitions: spec.SecurityDefinitions{
swaggerSecurityDefinitionBearerAuth: spec.APIKeyAuth(swaggerSecurityDefinitionName, swaggerSecurityDefinitionIn),
},
},
}
return swagger, nil
}
func formatComment(comment string) string {
s := strings.TrimPrefix(comment, "//")
return strings.TrimSpace(s)
}
func sampleItemsFromGoType(tp apiSpec.Type) *spec.Items {
val, ok := tp.(apiSpec.ArrayType)
if !ok {
return nil
}
item := val.Value
switch item.(type) {
case apiSpec.PrimitiveType:
return &spec.Items{
SimpleSchema: spec.SimpleSchema{
Type: sampleTypeFromGoType(item),
},
}
case apiSpec.ArrayType:
return &spec.Items{
SimpleSchema: spec.SimpleSchema{
Type: sampleTypeFromGoType(item),
Items: sampleItemsFromGoType(item),
},
}
default: // unsupported type
}
return nil
}
// itemsFromGoType returns the schema or array of the type, just for non json body parameters.
func itemsFromGoType(tp apiSpec.Type) *spec.SchemaOrArray {
array, ok := tp.(apiSpec.ArrayType)
if !ok {
return nil
}
return itemFromGoType(array.Value)
}
func mapFromGoType(tp apiSpec.Type) *spec.SchemaOrBool {
mapType, ok := tp.(apiSpec.MapType)
if !ok {
return nil
}
var schema = &spec.Schema{
SchemaProps: spec.SchemaProps{
Type: typeFromGoType(mapType.Value),
AdditionalProperties: mapFromGoType(mapType.Value),
},
}
switch sampleTypeFromGoType(mapType.Value) {
case swaggerTypeArray:
schema.Items = itemsFromGoType(mapType.Value)
case swaggerTypeObject:
p, r := propertiesFromType(mapType.Value)
schema.Properties = p
schema.Required = r
}
return &spec.SchemaOrBool{
Allows: true,
Schema: schema,
}
}
// itemFromGoType returns the schema or array of the type, just for non json body parameters.
func itemFromGoType(tp apiSpec.Type) *spec.SchemaOrArray {
switch itemType := tp.(type) {
case apiSpec.PrimitiveType:
return &spec.SchemaOrArray{
Schema: &spec.Schema{
SchemaProps: spec.SchemaProps{
Type: typeFromGoType(tp),
},
},
}
case apiSpec.DefineStruct, apiSpec.NestedStruct:
properties, requiredFields := propertiesFromType(itemType)
return &spec.SchemaOrArray{
Schema: &spec.Schema{
SchemaProps: spec.SchemaProps{
Type: typeFromGoType(itemType),
Items: itemsFromGoType(itemType),
Properties: properties,
Required: requiredFields,
AdditionalProperties: mapFromGoType(itemType),
},
},
}
case apiSpec.PointerType:
return itemFromGoType(itemType.Type)
case apiSpec.ArrayType:
return &spec.SchemaOrArray{
Schema: &spec.Schema{
SchemaProps: spec.SchemaProps{
Type: typeFromGoType(itemType),
Items: itemsFromGoType(itemType),
},
},
}
}
return nil
}
func typeFromGoType(tp apiSpec.Type) []string {
switch val := tp.(type) {
case apiSpec.PrimitiveType:
res, ok := tpMapper[val.RawName]
if ok {
return []string{res}
}
case apiSpec.ArrayType:
return []string{swaggerTypeArray}
case apiSpec.DefineStruct, apiSpec.MapType:
return []string{swaggerTypeObject}
case apiSpec.PointerType:
return typeFromGoType(val.Type)
}
return nil
}
func sampleTypeFromGoType(tp apiSpec.Type) string {
switch val := tp.(type) {
case apiSpec.PrimitiveType:
return tpMapper[val.RawName]
case apiSpec.ArrayType:
return swaggerTypeArray
case apiSpec.DefineStruct, apiSpec.MapType, apiSpec.NestedStruct:
return swaggerTypeObject
case apiSpec.PointerType:
return sampleTypeFromGoType(val.Type)
default:
return ""
}
}
func typeContainsTag(structType apiSpec.DefineStruct, tag string) bool {
for _, field := range structType.Members {
tags, _ := apiSpec.Parse(field.Tag)
for _, t := range tags.Tags() {
if t.Key == tag {
return true
}
}
}
return false
}
func expandMembers(tp apiSpec.Type) []apiSpec.Member {
var members []apiSpec.Member
switch val := tp.(type) {
case apiSpec.DefineStruct:
for _, v := range val.Members {
if v.IsInline {
members = append(members, expandMembers(v.Type)...)
continue
}
members = append(members, v)
}
case apiSpec.NestedStruct:
for _, v := range val.Members {
if v.IsInline {
members = append(members, expandMembers(v.Type)...)
continue
}
members = append(members, v)
}
}
return members
}
func rangeMemberAndDo(structType apiSpec.Type, do func(tag *apiSpec.Tags, required bool, member apiSpec.Member)) {
var members = expandMembers(structType)
for _, field := range members {
tags, _ := apiSpec.Parse(field.Tag)
required := isRequired(tags)
do(tags, required, field)
}
}
func isRequired(tags *apiSpec.Tags) bool {
tag, err := tags.Get(tagJson)
if err == nil {
return !isOptional(tag.Options)
}
tag, err = tags.Get(tagForm)
if err == nil {
return !isOptional(tag.Options)
}
tag, err = tags.Get(tagPath)
if err == nil {
return !isOptional(tag.Options)
}
return false
}
func isOptional(options []string) bool {
for _, option := range options {
if option == "optional" {
return true
}
}
return false
}
func pathVariable2SwaggerVariable(path string) string {
pathItems := strings.FieldsFunc(path, slashRune)
var resp []string
for _, v := range pathItems {
if strings.HasPrefix(v, ":") {
resp = append(resp, "{"+v[1:]+"}")
} else {
resp = append(resp, v)
}
}
return "/" + strings.Join(resp, "/")
}
func wrapCodeMsgProps(properties spec.SchemaProps, api apiSpec.Info) spec.SchemaProps {
wrapCodeMsg := getBoolFromKVOrDefault(api.Properties, "wrapCodeMsg", false)
if !wrapCodeMsg {
return properties
}
return spec.SchemaProps{
Type: []string{swaggerTypeObject},
Properties: spec.SchemaProperties{
"code": {
SwaggerSchemaProps: spec.SwaggerSchemaProps{
Example: 0,
},
SchemaProps: spec.SchemaProps{
Type: []string{swaggerTypeInteger},
Description: getStringFromKVOrDefault(api.Properties, "bizCodeEnumDescription", "business code"),
},
},
"msg": {
SwaggerSchemaProps: spec.SwaggerSchemaProps{
Example: "ok",
},
SchemaProps: spec.SchemaProps{
Type: []string{swaggerTypeString},
Description: "business message",
},
},
"data": {
SchemaProps: properties,
},
},
}
}
func specExtensions(api apiSpec.Info) (spec.Extensions, *spec.Info) {
ext := spec.Extensions{}
ext.Add("x-goctl-version", version.BuildVersion)
ext.Add("x-description", "This is a goctl generated swagger file.")
ext.Add("x-date", time.Now().Format("2006-01-02 15:04:05"))
ext.Add("x-github", "https://github.com/zeromicro/go-zero")
ext.Add("x-go-zero-doc", "https://go-zero.dev/")
info := &spec.Info{}
info.Description = util.Unquote(api.Properties["description"])
info.Title = util.Unquote(api.Properties["title"])
info.TermsOfService = util.Unquote(api.Properties["termsOfService"])
info.Version = util.Unquote(api.Properties["version"])
contactInfo := spec.ContactInfo{}
contactInfo.Name = util.Unquote(api.Properties["contactName"])
contactInfo.URL = util.Unquote(api.Properties["contactURL"])
contactInfo.Email = util.Unquote(api.Properties["contactEmail"])
if len(contactInfo.Name) > 0 || len(contactInfo.URL) > 0 || len(contactInfo.Email) > 0 {
info.Contact = &contactInfo
}
license := &spec.License{}
license.Name = util.Unquote(api.Properties["licenseName"])
license.URL = util.Unquote(api.Properties["licenseURL"])
if len(license.Name) > 0 || len(license.URL) > 0 {
info.License = license
}
return ext, info
}