fix(swagger): expand inline pointer members (#5664)

Co-authored-by: kevin <wanjunfeng@gmail.com>

tools/goctl/api/swagger/example/example.api

@@ -103,6 +103,27 @@ type (
 		Language string `json:"language"`
 		Gender   string `json:"gender"`
 	}
+	EmbeddedUser {
+		UserId   int    `json:"userId,example=10"`
+		Username string `json:"username,example=keson.an"`
+	}
+	EmbeddedAudit {
+		TraceId   string `json:"traceId,example=trace-001"`
+		CreatedBy string `json:"createdBy,optional,example=system"`
+	}
+	EmbeddedProfile {
+		EmbeddedUser
+		*EmbeddedAudit
+		Nickname string `json:"nickname,optional,example=keson"`
+	}
+	EmbeddedJsonReq {
+		EmbeddedProfile
+		RequestId string `json:"requestId,example=req-001"`
+	}
+	EmbeddedJsonResp {
+		EmbeddedProfile
+		Success bool `json:"success,example=true"`
+	}
 	ComplexJsonLevel2 {
 		// basic
 		Integer int     `json:"integer,example=1"`
@@ -238,4 +259,10 @@ service Swagger {
 	)
 	@handler jsonComplex
 	post /json/complex (ComplexJsonReq) returns (ComplexJsonResp)
+
+	@doc (
+		description: "embedded json request body API"
+	)
+	@handler jsonEmbedded
+	post /json/embedded (EmbeddedJsonReq) returns (EmbeddedJsonResp)
 }

tools/goctl/api/swagger/swagger.go

@@ -202,6 +202,8 @@ func expandMembers(ctx Context, tp apiSpec.Type) []apiSpec.Member {
 			}
 			members = append(members, v)
 		}
+	case apiSpec.PointerType:
+		members = expandMembers(ctx, val.Type)
 	}
 
 	return members

tools/goctl/api/swagger/swagger_test.go

@@ -3,8 +3,8 @@ package swagger
 import (
 	"testing"
 
-	"github.com/zeromicro/go-zero/tools/goctl/api/spec"
 	"github.com/stretchr/testify/assert"
+	"github.com/zeromicro/go-zero/tools/goctl/api/spec"
 )
 
 func Test_pathVariable2SwaggerVariable(t *testing.T) {
@@ -66,7 +66,7 @@ func TestArrayDefinitionsBug(t *testing.T) {
 
 	// Verify the array field has correct structure
 	assert.Equal(t, "array", arrayField.Type[0])
-	
+
 	// Check that we have items
 	assert.NotNil(t, arrayField.Items, "Array should have items defined")
 	assert.NotNil(t, arrayField.Items.Schema, "Array items should have schema")
@@ -74,7 +74,7 @@ func TestArrayDefinitionsBug(t *testing.T) {
 	// The FIX: $ref should be inside items, not at schema level
 	hasRef := arrayField.Ref.String() != ""
 	assert.False(t, hasRef, "Schema level should NOT have $ref")
-	
+
 	// The $ref should be in the items
 	hasItemsRef := arrayField.Items.Schema.Ref.String() != ""
 	assert.True(t, hasItemsRef, "Items should have $ref")
@@ -138,3 +138,55 @@ func TestArrayWithoutDefinitions(t *testing.T) {
 	assert.Contains(t, arrayField.Items.Schema.Properties, "itemName")
 	assert.Equal(t, []string{"itemName"}, arrayField.Items.Schema.Required)
 }
+
+func TestPropertiesFromTypeInlinePointerMembers(t *testing.T) {
+	ctx := testingContext(t)
+
+	baseStruct := spec.DefineStruct{
+		RawName: "EmbeddedUser",
+		Members: []spec.Member{
+			{
+				Name: "UserId",
+				Type: spec.PrimitiveType{RawName: "int"},
+				Tag:  `json:"userId"`,
+			},
+		},
+	}
+	auditStruct := spec.DefineStruct{
+		RawName: "EmbeddedAudit",
+		Members: []spec.Member{
+			{
+				Name: "TraceId",
+				Type: spec.PrimitiveType{RawName: "string"},
+				Tag:  `json:"traceId"`,
+			},
+		},
+	}
+	testStruct := spec.DefineStruct{
+		RawName: "EmbeddedProfile",
+		Members: []spec.Member{
+			{
+				Type:     baseStruct,
+				IsInline: true,
+			},
+			{
+				Type: spec.PointerType{
+					Type: auditStruct,
+				},
+				IsInline: true,
+			},
+			{
+				Name: "Nickname",
+				Type: spec.PrimitiveType{RawName: "string"},
+				Tag:  `json:"nickname,optional"`,
+			},
+		},
+	}
+
+	properties, required := propertiesFromType(ctx, testStruct)
+
+	assert.Contains(t, properties, "userId")
+	assert.Contains(t, properties, "traceId")
+	assert.Contains(t, properties, "nickname")
+	assert.ElementsMatch(t, []string{"userId", "traceId"}, required)
+}