feat: add client-extension template

lfr/pkg/assets/tpl/ws/maven/client-extensions/pom.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0"?>
+
+<project
+        xmlns="http://maven.apache.org/POM/4.0.0"
+        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
+>
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>{{.GroupId}}</groupId>
+        <artifactId>{{.ArtifactId}}</artifactId>
+        <version>1.0.0-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+    <groupId>{{.GroupId}}</groupId>
+    <artifactId>{{.ArtifactId}}-client-extensions</artifactId>
+    <name>{{.Name}} :: Client Extensions</name>
+    <packaging>pom</packaging>
+</project>

lfr/pkg/cmd/create/create.go

@@ -28,6 +28,7 @@ var (
 
 func init() {
 	Cmd.AddCommand(createWorkspace)
+	Cmd.AddCommand(createClientExtension)
 	Cmd.AddCommand(createMvcPortlet)
 	Cmd.AddCommand(createSpringPortlet)
 	Cmd.AddCommand(createApiModule)
@@ -40,7 +41,7 @@ func init() {
 func promptCreateChoices(cmd *cobra.Command, args []string) {
 	promptTemplate := promptui.Select{
 		Label: "Choose a template",
-		Items: []string{"api", "docker", "mvc-portlet", "rest-builder", "service-builder", "spring-mvc-portlet", "workspace"},
+		Items: []string{"client-extension", "api", "docker", "mvc-portlet", "rest-builder", "service-builder", "spring-mvc-portlet", "workspace"},
 	}
 
 	_, template, err := promptTemplate.Run()

lfr/pkg/cmd/create/create_client_extension.go

@@ -0,0 +1,168 @@
+package create
+
+import (
+	"errors"
+	"fmt"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"strings"
+
+	"github.com/iancoleman/strcase"
+	"github.com/lgdd/liferay-cli/lfr/pkg/config"
+	"github.com/lgdd/liferay-cli/lfr/pkg/util/fileutil"
+	"github.com/lgdd/liferay-cli/lfr/pkg/util/printutil"
+	"github.com/manifoldco/promptui"
+	cp "github.com/otiai10/copy"
+	"github.com/spf13/cobra"
+)
+
+var (
+	createClientExtension = &cobra.Command{
+		Use:     "client-extension NAME",
+		Aliases: []string{"cx"},
+		Run:     generateClientExtension,
+		Long: `Available Liferay 7.4 U45+/GA45+
+Client extensions extend Liferay without using OSGi modules.
+Learn more: https://learn.liferay.com/w/dxp/building-applications/client-extensions
+Samples available: https://github.com/liferay/liferay-portal/tree/master/workspaces/liferay-sample-workspace/client-extensions
+		`,
+	}
+)
+
+const (
+	ClientExtensionSamplePrefix = "liferay-sample-"
+)
+
+func generateClientExtension(cmd *cobra.Command, args []string) {
+	liferayWorkspace, err := fileutil.GetLiferayWorkspacePath()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fetchClientExtensionSamples(config.GetConfigPath())
+
+	clientExtensionSamplesPath := filepath.Join(config.GetConfigPath(), "liferay-portal", "workspaces", "liferay-sample-workspace", "client-extensions")
+	templates := getTemplateNames(clientExtensionSamplesPath)
+	clientExtensionsWorkspaceDir := filepath.Join(liferayWorkspace, "client-extensions")
+
+	var name string
+	if len(args) >= 1 && len(args[0]) > 0 {
+		name = args[0]
+	} else {
+		promptName := promptui.Prompt{
+			Label: "Choose a name",
+			Validate: func(input string) error {
+				if len(input) == 0 {
+					return errors.New("the name cannot be empty")
+				}
+				return nil
+			},
+		}
+
+		name, err = promptName.Run()
+
+		if err != nil {
+			fmt.Printf("Prompt failed %v\n", err)
+			os.Exit(1)
+		}
+	}
+
+	name = strcase.ToKebab(strings.ToLower(name))
+
+	promptTemplate := promptui.Select{
+		Label: "Choose a template",
+		Items: templates,
+	}
+
+	_, template, err := promptTemplate.Run()
+
+	if err != nil {
+		fmt.Printf("Prompt failed %v\n", err)
+		os.Exit(1)
+	}
+
+	template = filepath.Join(clientExtensionSamplesPath, ClientExtensionSamplePrefix+template)
+
+	clientExtensionDir := filepath.Join(clientExtensionsWorkspaceDir, name)
+
+	fileutil.CreateDirs(clientExtensionDir)
+
+	if err := cp.Copy(template, clientExtensionDir); err != nil {
+		panic(err)
+	}
+
+	_ = filepath.Walk(clientExtensionDir,
+		func(path string, info os.FileInfo, err error) error {
+			if err != nil {
+				return err
+			}
+			if !info.IsDir() {
+				printutil.Success("created ")
+				fmt.Printf("%s\n", path)
+			}
+			return nil
+		})
+}
+
+func getTemplateNames(clientExtensionSamplesPath string) []string {
+	sampleDirs, err := os.ReadDir(clientExtensionSamplesPath)
+
+	if err != nil {
+		panic(err)
+	}
+
+	var samples []string
+
+	for _, sampleDir := range sampleDirs {
+		if sampleDir.IsDir() && strings.Contains(sampleDir.Name(), ClientExtensionSamplePrefix) {
+			samples = append(samples, strings.Split(sampleDir.Name(), ClientExtensionSamplePrefix)[1])
+		}
+	}
+
+	return samples
+}
+
+func fetchClientExtensionSamples(destination string) {
+	liferayPortalPath := filepath.Join(destination, "liferay-portal")
+
+	// Clone & checkout if ~/.lfr/liferay-portal does not exist
+	if _, err := os.Stat(filepath.Join(destination, "liferay-portal")); err != nil {
+		gitClone := exec.Command("git", "clone", "--depth", "1", "--filter=blob:none", "--no-checkout", "https://github.com/liferay/liferay-portal")
+		gitClone.Dir = destination
+
+		if err := gitClone.Run(); err != nil {
+			panic(err)
+		}
+
+		gitSparseCheckoutInit := exec.Command("git", "sparse-checkout", "init", "--no-cone")
+		gitSparseCheckoutInit.Dir = liferayPortalPath
+
+		if err := gitSparseCheckoutInit.Run(); err != nil {
+			panic(err)
+		}
+
+		gitSparseCheckoutSet := exec.Command("git", "sparse-checkout", "set", "workspaces/liferay-sample-workspace/client-extensions")
+		gitSparseCheckoutSet.Dir = liferayPortalPath
+
+		if err := gitSparseCheckoutSet.Run(); err != nil {
+			panic(err)
+		}
+
+		gitCheckout := exec.Command("git", "checkout")
+		gitCheckout.Dir = liferayPortalPath
+
+		if err := gitCheckout.Run(); err != nil {
+			panic(err)
+		}
+	} else {
+		// Repo already exists, try to update
+		gitPull := exec.Command("git", "pull")
+		gitPull.Dir = liferayPortalPath
+
+		if err := gitPull.Run(); err != nil {
+			panic(err)
+		}
+	}
+}