fix(cmd/gf): gen service error when there's version number at the end…

… of package import path (#3836)

cmd/gf/internal/cmd/cmd_z_unit_gen_service_test.go

@@ -22,9 +22,9 @@ func Test_Gen_Service_Default(t *testing.T) {
 		var (
 			path      = gfile.Temp(guid.S())
 			dstFolder = path + filepath.FromSlash("/service")
-			apiFolder = gtest.DataPath("genservice", "logic")
+			srvFolder = gtest.DataPath("genservice", "logic")
 			in        = genservice.CGenServiceInput{
-				SrcFolder:       apiFolder,
+				SrcFolder:       srvFolder,
 				DstFolder:       dstFolder,
 				DstFileNameCase: "Snake",
 				WatchFile:       "",
@@ -46,11 +46,11 @@ func Test_Gen_Service_Default(t *testing.T) {
 
 		// logic file
 		var (
-			genApi       = apiFolder + filepath.FromSlash("/logic.go")
-			genApiExpect = apiFolder + filepath.FromSlash("/logic_expect.go")
+			genSrv       = srvFolder + filepath.FromSlash("/logic.go")
+			genSrvExpect = srvFolder + filepath.FromSlash("/logic_expect.go")
 		)
-		defer gfile.Remove(genApi)
-		t.Assert(gfile.GetContents(genApi), gfile.GetContents(genApiExpect))
+		defer gfile.Remove(genSrv)
+		t.Assert(gfile.GetContents(genSrv), gfile.GetContents(genSrvExpect))
 
 		// files
 		files, err := gfile.ScanDir(dstFolder, "*.go", true)
@@ -80,10 +80,10 @@ func Test_Issue3328(t *testing.T) {
 		var (
 			path        = gfile.Temp(guid.S())
 			dstFolder   = path + filepath.FromSlash("/service")
-			apiFolder   = gtest.DataPath("issue", "3328", "logic")
-			logicGoPath = apiFolder + filepath.FromSlash("/logic.go")
+			srvFolder   = gtest.DataPath("issue", "3328", "logic")
+			logicGoPath = srvFolder + filepath.FromSlash("/logic.go")
 			in          = genservice.CGenServiceInput{
-				SrcFolder:       apiFolder,
+				SrcFolder:       srvFolder,
 				DstFolder:       dstFolder,
 				DstFileNameCase: "Snake",
 				WatchFile:       "",
@@ -106,7 +106,7 @@ func Test_Issue3328(t *testing.T) {
 		_, err = genservice.CGenService{}.Service(ctx, in)
 		t.AssertNil(err)
 
-		files, err := gfile.ScanDir(apiFolder, "*", true)
+		files, err := gfile.ScanDir(srvFolder, "*", true)
 		for _, file := range files {
 			if file == logicGoPath {
 				if gfile.IsDir(logicGoPath) {
@@ -116,3 +116,40 @@ func Test_Issue3328(t *testing.T) {
 		}
 	})
 }
+
+// https://github.com/gogf/gf/issues/3835
+func Test_Issue3835(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		var (
+			path      = gfile.Temp(guid.S())
+			dstFolder = path + filepath.FromSlash("/service")
+			srvFolder = gtest.DataPath("issue", "3835", "logic")
+			in        = genservice.CGenServiceInput{
+				SrcFolder:       srvFolder,
+				DstFolder:       dstFolder,
+				DstFileNameCase: "Snake",
+				WatchFile:       "",
+				StPattern:       "",
+				Packages:        nil,
+				ImportPrefix:    "",
+				Clear:           false,
+			}
+		)
+		err := gutil.FillStructWithDefault(&in)
+		t.AssertNil(err)
+
+		err = gfile.Mkdir(path)
+		t.AssertNil(err)
+		defer gfile.Remove(path)
+
+		_, err = genservice.CGenService{}.Service(ctx, in)
+		t.AssertNil(err)
+
+		// contents
+		var (
+			genFile    = dstFolder + filepath.FromSlash("/issue_3835.go")
+			expectFile = gtest.DataPath("issue", "3835", "service", "issue_3835.go")
+		)
+		t.Assert(gfile.GetContents(genFile), gfile.GetContents(expectFile))
+	})
+}

cmd/gf/internal/cmd/genservice/genservice_ast_parse.go

@@ -12,6 +12,7 @@ import (
 	"go/token"
 
 	"github.com/gogf/gf/v2/os/gfile"
+	"github.com/gogf/gf/v2/text/gstr"
 )
 
 type pkgItem struct {
@@ -78,19 +79,53 @@ func (c CGenService) parseImportPackages(node *ast.ImportSpec) (packages pkgItem
 		path      = node.Path.Value
 		rawImport string
 	)
+
 	if node.Name != nil {
 		alias = node.Name.Name
-		rawImport = alias + " " + path
+		rawImport = node.Name.Name + " " + path
 	} else {
 		rawImport = path
 	}
+
+	// if the alias is empty, it will further retrieve the real alias.
+	if alias == "" {
+		alias = c.getRealAlias(path)
+	}
+
 	return pkgItem{
 		Alias:     alias,
 		Path:      path,
 		RawImport: rawImport,
 	}
 }
 
+// getRealAlias retrieves the real alias of the package.
+// If package is "github.com/gogf/gf", the alias is "gf".
+// If package is "github.com/gogf/gf/v2", the alias is "gf" instead of "v2".
+func (c CGenService) getRealAlias(importPath string) (pkgName string) {
+	importPath = gstr.Trim(importPath, `"`)
+	parts := gstr.Split(importPath, "/")
+	if len(parts) == 0 {
+		return
+	}
+
+	pkgName = parts[len(parts)-1]
+
+	if !gstr.HasPrefix(pkgName, "v") {
+		return pkgName
+	}
+
+	if len(parts) < 2 {
+		return pkgName
+	}
+
+	if gstr.IsNumeric(gstr.SubStr(pkgName, 1)) {
+		pkgName = parts[len(parts)-2]
+	}
+
+	return pkgName
+}
+
 // parseFuncReceiverTypeName retrieves the receiver type of the function.
 // For example:
 //

cmd/gf/internal/cmd/testdata/issue/3835/logic/issue3835/issue3835.go

@@ -0,0 +1,23 @@
+package issue3835
+
+import (
+	"context"
+
+	"github.com/gogf/gf/cmd/gf/v2/internal/cmd/testdata/issue/3835/service"
+	"github.com/gogf/gf/contrib/drivers/mysql/v2"
+)
+
+func init() {
+	service.RegisterItest(New())
+}
+
+type sItest struct {
+}
+
+func New() *sItest {
+	return &sItest{}
+}
+
+func (s *sItest) F(ctx context.Context) (d mysql.Driver, err error) {
+	return mysql.Driver{}, nil
+}