From a0e852feaba3898f5ce0baa7fe0a8103afa0f818 Mon Sep 17 00:00:00 2001
From: oscarzhou <oscarzhou0727@icloud.com>
Date: Mon, 26 Dec 2022 15:28:24 +1300
Subject: [PATCH] subtask: allow to list volumes

---
 go/tasks/list_dev_tool_cmd.go    | 30 +++++++++++++++++
 go/tasks/subtasks/list_volume.go | 58 ++++++++++++++++++++++++++++++++
 2 files changed, 88 insertions(+)
 create mode 100644 go/tasks/list_dev_tool_cmd.go
 create mode 100644 go/tasks/subtasks/list_volume.go

diff --git a/go/tasks/list_dev_tool_cmd.go b/go/tasks/list_dev_tool_cmd.go
new file mode 100644
index 0000000..170b3f4
--- /dev/null
+++ b/go/tasks/list_dev_tool_cmd.go
@@ -0,0 +1,30 @@
+package tasks
+
+import (
+	"ocl/portainer-devtool/configs"
+	"ocl/portainer-devtool/tasks/subtasks"
+)
+
+type ListDevToolCommandTask struct {
+	Config *configs.Config
+}
+
+func NewListDevToolCommandTask(cfg *configs.Config) *ListDevToolCommandTask {
+	return &ListDevToolCommandTask{
+		Config: cfg,
+	}
+}
+
+func (task *ListDevToolCommandTask) Execute() error {
+	subTaskItems := []Tasker{
+		subtasks.NewListVolumeSubTask(task.Config),
+	}
+
+	ListCommandMenu(subTaskItems, "Which management commands do you want to choose:")
+
+	return nil
+}
+
+func (task *ListDevToolCommandTask) String() string {
+	return "List Dev Tool Commands"
+}
diff --git a/go/tasks/subtasks/list_volume.go b/go/tasks/subtasks/list_volume.go
new file mode 100644
index 0000000..887972a
--- /dev/null
+++ b/go/tasks/subtasks/list_volume.go
@@ -0,0 +1,58 @@
+package subtasks
+
+import (
+	"fmt"
+	"io/fs"
+	"ocl/portainer-devtool/configs"
+	"ocl/portainer-devtool/utils"
+	"path/filepath"
+	"strings"
+)
+
+type ListVolumeSubTask struct {
+	Config *configs.Config
+}
+
+func NewListVolumeSubTask(cfg *configs.Config) *ListVolumeSubTask {
+	return &ListVolumeSubTask{
+		Config: cfg,
+	}
+}
+
+func (task *ListVolumeSubTask) Execute() error {
+	utils.HighlightPrint(fmt.Sprintf("Volume path: %s", task.Config.VolumePath))
+
+	volumeLength := lenPath(task.Config.VolumePath)
+
+	volumeList := []string{" "}
+	filepath.WalkDir(task.Config.VolumePath, func(path string, d fs.DirEntry, err error) error {
+		if err != nil {
+			return err
+		}
+
+		if path == task.Config.VolumePath {
+			return nil
+		}
+
+		if d.IsDir() {
+			dirLength := lenPath(path)
+			if volumeLength+1 == dirLength {
+				volumeList = append(volumeList, d.Name())
+			}
+		}
+
+		return nil
+	})
+
+	utils.SuccessPrint(strings.Join(volumeList, "\n"))
+
+	return nil
+}
+
+func (task *ListVolumeSubTask) String() string {
+	return "List Volume"
+}
+
+func lenPath(path string) int {
+	return len(strings.Split(path, string(filepath.Separator)))
+}