Files
cli_todo/todo.go
T
2026-09-11 20:22:03 -04:00

95 lines
1.7 KiB
Go

package main
import (
"errors"
"os"
"strconv"
"time"
"github.com/aquasecurity/table"
)
type Todo struct {
Title string
Completed bool
CreatedAt time.Time
CompletedAt *time.Time
}
type Todos []Todo
func (todos *Todos) add(title string) {
todo := Todo{
Title: title,
Completed: false,
CompletedAt: nil,
CreatedAt: time.Now(),
}
*todos = append(*todos, todo)
}
func (todos *Todos) validateIndex(index int) error {
if index < 0 || index >= len(*todos) {
err := errors.New("invalid index")
return err
}
return nil
}
func (todos *Todos) delete(index int) error {
t := *todos
if err := t.validateIndex(index); err != nil {
return err
}
*todos = append(t[:index], t[index+1:]...)
return nil
}
func (todos *Todos) toggle(index int) error {
t := *todos
if err := t.validateIndex(index); err != nil {
return err
}
isCompeleted := t[index].Completed
if !isCompeleted {
completionTime := time.Now()
t[index].CompletedAt = &completionTime
}
t[index].Completed = !isCompeleted
return nil
}
func (todos *Todos) edit(index int, newTitle string) error {
t := *todos
if err := t.validateIndex(index); err != nil {
return err
}
t[index].Title = newTitle
return nil
}
func (todos *Todos) print() {
table := table.New(os.Stdout)
table.SetRowLines(false)
table.SetHeaders("Index", "Titile", "Completed", "Created at", "Completed at")
for index, t := range *todos {
completed := "❌"
completedAt := ""
if t.Completed {
completed = "✅"
if t.CompletedAt != nil {
completedAt = t.CompletedAt.Format(time.RFC1123)
}
}
table.AddRow(strconv.Itoa(index), t.Title, completed, t.CreatedAt.Format(time.RFC1123), completedAt)
}
table.Render()
}