fix:proto nesting causes template generation problems (#2718)

* fix:proto nesting causes template generation problems

* feat: add test

* fix: cmd introduction word change

---------

Co-authored-by: haiyux <haiyux@foxmail.com>

cmd/kratos/internal/proto/server/server.go

@@ -16,8 +16,8 @@ import (
 // CmdServer the service command.
 var CmdServer = &cobra.Command{
 	Use:   "server",
-	Short: "Generate the proto Server implementations",
-	Long:  "Generate the proto Server implementations. Example: kratos proto server api/xxx.proto --target-dir=internal/service",
+	Short: "Generate the proto server implementations",
+	Long:  "Generate the proto server implementations. Example: kratos proto server api/xxx.proto --target-dir=internal/service",
 	Run:   run,
 }
 var targetDir string
@@ -64,8 +64,8 @@ func run(_ *cobra.Command, args []string) {
 					continue
 				}
 				cs.Methods = append(cs.Methods, &Method{
-					Service: serviceName(s.Name), Name: serviceName(r.Name), Request: r.RequestType,
-					Reply: r.ReturnsType, Type: getMethodType(r.StreamsRequest, r.StreamsReturns),
+					Service: serviceName(s.Name), Name: serviceName(r.Name), Request: parametersName(r.RequestType),
+					Reply: parametersName(r.ReturnsType), Type: getMethodType(r.StreamsRequest, r.StreamsReturns),
 				})
 			}
 			res = append(res, cs)
@@ -105,6 +105,10 @@ func getMethodType(streamsRequest, streamsReturns bool) MethodType {
 	return unaryType
 }
 
+func parametersName(name string) string {
+	return strings.ReplaceAll(name, ".", "_")
+}
+
 func serviceName(name string) string {
 	return toUpperCamelCase(strings.Split(name, ".")[0])
 }

cmd/kratos/internal/proto/server/server_test.go

@@ -60,3 +60,43 @@ func Test_serviceName(t *testing.T) {
 		})
 	}
 }
+
+func Test_parametersName(t *testing.T) {
+	type args struct {
+		name string
+	}
+	tests := []struct {
+		name string
+		args args
+		want string
+	}{
+		{
+			name: "parametersName on not nested",
+			args: args{
+				name: "MessageResponse",
+			},
+			want: "MessageResponse",
+		},
+		{
+			name: "parametersName on One layer of nesting",
+			args: args{
+				name: "Message.Response",
+			},
+			want: "Message_Response",
+		},
+		{
+			name: "parametersName on Two layer of nesting",
+			args: args{
+				name: "Message.Message2.Response",
+			},
+			want: "Message_Message2_Response",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := parametersName(tt.args.name); got != tt.want {
+				t.Errorf("parametersName() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}