improve openapi support

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

go.mod

@@ -4,10 +4,7 @@ go 1.16
 
 require (
 	github.com/fatih/structtag v1.2.0
-	go.unistack.org/micro-proto/v3 v3.1.1
+	go.unistack.org/micro-proto/v3 v3.2.3
 	golang.org/x/tools v0.1.8
 	google.golang.org/protobuf v1.27.1
 )
-
-//replace go.unistack.org/micro/v3 => ../micro
-//replace go.unistack.org/micro-proto => ../micro-proto

go.sum

@@ -1,31 +1,125 @@
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+golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.1.8 h1:P1HhGGuLW4aAclzjtmJdf0mJOjVUZUzOTqkAkWL+l6w=
 golang.org/x/tools v0.1.8/go.mod h1:nABZi5QlRsZVlzPpHl034qft6wpY4eDcsTt5AaioBiU=
@@ -34,6 +128,40 @@ golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8T
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
+google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
+google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
+google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
+google.golang.org/genproto v0.0.0-20200513103714-09dca8ec2884/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
+google.golang.org/genproto v0.0.0-20220107163113-42d7afdf6368/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
+google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
+google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
+google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
+google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
+google.golang.org/grpc v1.33.1/go.mod h1:fr5YgcSWrqhRRxogOsw7RzIpsmvOZ6IcH4kBYTpR3n0=
+google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
+google.golang.org/grpc v1.40.0/go.mod h1:ogyxbiOoUXAkP+4+xa6PZSE9DZgIHtSpzjDTB9KAK34=
+google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
+google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
+google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
+google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
+google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
+google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
+google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 google.golang.org/protobuf v1.27.1 h1:SnqbnDw1V7RiZcXPx5MEeqPv2s79L9i7BJUlG/+RurQ=
 google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

openapiv3_util.go

@@ -0,0 +1,39 @@
+package main
+
+import v3 "go.unistack.org/micro-proto/v3/openapiv3"
+
+func getMediaType(eopt interface{}) string {
+	ctype := "application/json"
+
+	if eopt == nil {
+		return ctype
+	}
+
+	if eopt == v3.E_Openapiv3Operation.InterfaceOf(v3.E_Openapiv3Operation.Zero()) {
+		return ctype
+	}
+
+	opt, ok := eopt.(*v3.Operation)
+	if !ok || opt.RequestBody == nil {
+		return ctype
+	}
+
+	if opt.GetRequestBody() == nil {
+		return ctype
+	}
+
+	if opt.GetRequestBody().GetRequestBody() == nil {
+		return ctype
+	}
+
+	c := opt.GetRequestBody().GetRequestBody().GetContent()
+	if c == nil {
+		return ctype
+	}
+
+	for _, prop := range c.GetAdditionalProperties() {
+		ctype = prop.Name
+	}
+
+	return ctype
+}

util.go

@@ -55,6 +55,9 @@ func generateServiceClientMethods(gfile *protogen.GeneratedFile, service *protog
 				opts := proto.GetExtension(method.Desc.Options(), v2.E_Openapiv2Operation)
 				if opts != nil {
 					r := opts.(*v2.Operation)
+					if r.Responses == nil {
+						goto labelMethod
+					}
 					gfile.P("errmap := make(map[string]interface{}, ", len(r.Responses.ResponseCode), ")")
 					for _, rsp := range r.Responses.ResponseCode {
 						if schema := rsp.Value.GetJsonReference(); schema != nil {
@@ -62,9 +65,51 @@ func generateServiceClientMethods(gfile *protogen.GeneratedFile, service *protog
 							if strings.HasPrefix(ref, "."+string(service.Desc.ParentFile().Package())+".") {
 								ref = strings.TrimPrefix(ref, "."+string(service.Desc.ParentFile().Package())+".")
 							}
-							if ref == "micro.codec.Frame" || ref == ".micro.codec.Frame" {
+							if ref[0] == '.' {
+								ref = ref[1:]
+							}
+							switch ref {
+							case "micro.codec.Frame":
 								gfile.P(`errmap["`, rsp.Name, `"] = &`, microCodecPackage.Ident("Frame"), "{}")
-							} else {
+							case "micro.errors.Error":
+								gfile.P(`errmap["`, rsp.Name, `"] = &`, microErrorsPackage.Ident("Error"), "{}")
+							default:
+								gfile.P(`errmap["`, rsp.Name, `"] = &`, ref, "{}")
+							}
+						}
+					}
+				}
+				gfile.P("opts = append(opts,")
+				gfile.P(microClientHttpPackage.Ident("ErrorMap"), "(errmap),")
+				gfile.P(")")
+			}
+			if proto.HasExtension(method.Desc.Options(), v3.E_Openapiv3Operation) {
+				opts := proto.GetExtension(method.Desc.Options(), v3.E_Openapiv3Operation)
+				if opts != nil {
+					r := opts.(*v3.Operation)
+					if r.Responses == nil {
+						goto labelMethod
+					}
+					resps := r.Responses.ResponseOrReference
+					if r.Responses.GetDefault() != nil {
+						resps = append(resps, &v3.NamedResponseOrReference{Name: "default", Value: r.Responses.GetDefault()})
+					}
+					gfile.P("errmap := make(map[string]interface{}, ", len(resps), ")")
+					for _, rsp := range resps {
+						if schema := rsp.Value.GetReference(); schema != nil {
+							ref := schema.XRef
+							if strings.HasPrefix(ref, "."+string(service.Desc.ParentFile().Package())+".") {
+								ref = strings.TrimPrefix(ref, "."+string(service.Desc.ParentFile().Package())+".")
+							}
+							if ref[0] == '.' {
+								ref = ref[1:]
+							}
+							switch ref {
+							case "micro.codec.Frame":
+								gfile.P(`errmap["`, rsp.Name, `"] = &`, microCodecPackage.Ident("Frame"), "{}")
+							case "micro.errors.Error":
+								gfile.P(`errmap["`, rsp.Name, `"] = &`, microErrorsPackage.Ident("Error"), "{}")
+							default:
 								gfile.P(`errmap["`, rsp.Name, `"] = &`, ref, "{}")
 							}
 						}
@@ -75,6 +120,7 @@ func generateServiceClientMethods(gfile *protogen.GeneratedFile, service *protog
 				gfile.P(")")
 			}
 
+		labelMethod:
 			if proto.HasExtension(method.Desc.Options(), api_options.E_Http) {
 				gfile.P("opts = append(opts,")
 				endpoints, _ := generateEndpoints(method)
@@ -93,10 +139,36 @@ func generateServiceClientMethods(gfile *protogen.GeneratedFile, service *protog
 
 			parameters := make(map[string]map[string]string)
 			// Build a list of header parameters.
-			eopt := proto.GetExtension(method.Desc.Options(), v3.E_Openapiv3Operation)
+			e2opt := proto.GetExtension(method.Desc.Options(), v2.E_Openapiv2Operation)
-			if eopt != nil && eopt != v3.E_Openapiv3Operation.InterfaceOf(v3.E_Openapiv3Operation.Zero()) {
+			if e2opt != nil && e2opt != v2.E_Openapiv2Operation.InterfaceOf(v2.E_Openapiv2Operation.Zero()) {
-				opt := eopt.(*v3.Operation)
+				opt := e2opt.(*v2.Operation)
 				for _, paramOrRef := range opt.Parameters {
+					parameter := paramOrRef.GetParameter()
+					// NonBodyParameter()
+					if parameter == nil {
+						continue
+					}
+					nonBodyParameter := parameter.GetNonBodyParameter()
+					if nonBodyParameter == nil {
+						continue
+					}
+					headerParameter := nonBodyParameter.GetHeaderParameterSubSchema()
+					if headerParameter.In != "header" && headerParameter.In != "cookie" {
+						continue
+					}
+					in, ok := parameters[headerParameter.In]
+					if !ok {
+						in = make(map[string]string)
+						parameters[headerParameter.In] = in
+					}
+					in[headerParameter.Name] = fmt.Sprintf("%v", headerParameter.Required)
+				}
+			}
+			e3opt := proto.GetExtension(method.Desc.Options(), v3.E_Openapiv3Operation)
+			if e3opt != nil && e3opt != v3.E_Openapiv3Operation.InterfaceOf(v3.E_Openapiv3Operation.Zero()) {
+				opt := e3opt.(*v3.Operation)
+				for _, paramOrRef := range opt.Parameters {
+
 					parameter := paramOrRef.GetParameter()
 					if parameter == nil {
 						continue
@@ -165,7 +237,7 @@ func generateServiceClientMethods(gfile *protogen.GeneratedFile, service *protog
 		}
 
 		if method.Desc.IsStreamingClient() && !method.Desc.IsStreamingServer() {
-			gfile.P("func (s *", unexport(serviceName), "Client", method.GoName, ") RecvAndClose() (*", gfile.QualifiedGoIdent(method.Output.GoIdent), ", error) {")
+			gfile.P("func (s *", unexport(serviceName), "Client", method.GoName, ") CloseAndRecv() (*", gfile.QualifiedGoIdent(method.Output.GoIdent), ", error) {")
 			gfile.P("msg := &", gfile.QualifiedGoIdent(method.Output.GoIdent), "{}")
 			gfile.P("err := s.RecvMsg(msg)")
 			gfile.P("if err == nil {")
@@ -183,6 +255,10 @@ func generateServiceClientMethods(gfile *protogen.GeneratedFile, service *protog
 		gfile.P("return s.stream.Close()")
 		gfile.P("}")
 		gfile.P()
+		gfile.P("func (s *", unexport(serviceName), "Client", method.GoName, ") CloseSend() error {")
+		gfile.P("return s.stream.CloseSend()")
+		gfile.P("}")
+		gfile.P()
 		gfile.P("func (s *", unexport(serviceName), "Client", method.GoName, ") Context() ", contextPackage.Ident("Context"), " {")
 		gfile.P("return s.stream.Context()")
 		gfile.P("}")
@@ -248,9 +324,34 @@ func generateServiceServerMethods(gfile *protogen.GeneratedFile, service *protog
 		} else {
 			parameters := make(map[string]map[string]string)
 			// Build a list of header parameters.
-			eopt := proto.GetExtension(method.Desc.Options(), v3.E_Openapiv3Operation)
+			e2opt := proto.GetExtension(method.Desc.Options(), v2.E_Openapiv2Operation)
-			if eopt != nil && eopt != v3.E_Openapiv3Operation.InterfaceOf(v3.E_Openapiv3Operation.Zero()) {
+			if e2opt != nil && e2opt != v2.E_Openapiv2Operation.InterfaceOf(v2.E_Openapiv2Operation.Zero()) {
-				opt := eopt.(*v3.Operation)
+				opt := e2opt.(*v2.Operation)
+				for _, paramOrRef := range opt.Parameters {
+					parameter := paramOrRef.GetParameter()
+					// NonBodyParameter()
+					if parameter == nil {
+						continue
+					}
+					nonBodyParameter := parameter.GetNonBodyParameter()
+					if nonBodyParameter == nil {
+						continue
+					}
+					headerParameter := nonBodyParameter.GetHeaderParameterSubSchema()
+					if headerParameter.In != "header" && headerParameter.In != "cookie" {
+						continue
+					}
+					in, ok := parameters[headerParameter.In]
+					if !ok {
+						in = make(map[string]string)
+						parameters[headerParameter.In] = in
+					}
+					in[headerParameter.Name] = fmt.Sprintf("%v", headerParameter.Required)
+				}
+			}
+			e3opt := proto.GetExtension(method.Desc.Options(), v3.E_Openapiv3Operation)
+			if e3opt != nil && e3opt != v3.E_Openapiv3Operation.InterfaceOf(v3.E_Openapiv3Operation.Zero()) {
+				opt := e3opt.(*v3.Operation)
 				for _, paramOrRef := range opt.Parameters {
 					parameter := paramOrRef.GetParameter()
 					if parameter == nil {
@@ -478,7 +579,8 @@ func generateServiceClientStreamInterface(gfile *protogen.GeneratedFile, service
 		gfile.P("SendMsg(msg interface{}) error")
 		gfile.P("RecvMsg(msg interface{}) error")
 		if method.Desc.IsStreamingClient() && !method.Desc.IsStreamingServer() {
-			gfile.P("RecvAndClose() (*", gfile.QualifiedGoIdent(method.Output.GoIdent), ", error)")
+			gfile.P("CloseAndRecv() (*", gfile.QualifiedGoIdent(method.Output.GoIdent), ", error)")
+			gfile.P("CloseSend() () error")
 		}
 		gfile.P("Close() error")
 		if method.Desc.IsStreamingClient() {
@@ -505,6 +607,7 @@ func generateServiceServerStreamInterface(gfile *protogen.GeneratedFile, service
 		gfile.P("RecvMsg(msg interface{}) error")
 		if method.Desc.IsStreamingClient() && !method.Desc.IsStreamingServer() {
 			gfile.P("SendAndClose(msg *", gfile.QualifiedGoIdent(method.Output.GoIdent), ") error")
+			gfile.P("CloseSend() error")
 		}
 		gfile.P("Close() error")
 		if method.Desc.IsStreamingClient() {

variables.go

@@ -17,6 +17,7 @@ var (
 	microClientHttpPackage = protogen.GoImportPath("go.unistack.org/micro-client-http/v3")
 	microServerHttpPackage = protogen.GoImportPath("go.unistack.org/micro-server-http/v3")
 	microCodecPackage      = protogen.GoImportPath("go.unistack.org/micro/v3/codec")
+	microErrorsPackage     = protogen.GoImportPath("go.unistack.org/micro/v3/errors")
 	timePackage            = protogen.GoImportPath("time")
 	deprecationComment     = "// Deprecated: Do not use."
 	versionComment         = "v3.5.3"