new start | different approach

go.mod

@@ -1,3 +1,11 @@
 module gitea.zacksolutions.dev/Zakaria/cli_todo
 
-go 1.27.0
+go 1.27.1
+
+require (
+	github.com/aquasecurity/table v1.11.0 // indirect
+	github.com/mattn/go-runewidth v0.0.13 // indirect
+	github.com/rivo/uniseg v0.2.0 // indirect
+	golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1 // indirect
+	golang.org/x/term v0.0.0-20220526004731-065cf7ba2467 // indirect
+)

go.sum

@@ -0,0 +1,10 @@
+github.com/aquasecurity/table v1.11.0 h1:SzgCAv7dZcv/gyAyzxorS6OgEk7w/WU5iT2pStIkpl4=
+github.com/aquasecurity/table v1.11.0/go.mod h1:eqOmvjjB7AhXFgFqpJUEE/ietg7RrMSJZXyTN8E/wZw=
+github.com/mattn/go-runewidth v0.0.13 h1:lTGmDsbAYt5DmK6OnoV7EuIF1wEIFAcxld6ypU4OSgU=
+github.com/mattn/go-runewidth v0.0.13/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
+github.com/rivo/uniseg v0.2.0 h1:S1pD9weZBuJdFmowNwbpi7BJ8TNftyUImj/0WQi72jY=
+github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
+golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1 h1:SrN+KX8Art/Sf4HNj6Zcz06G7VEz+7w9tdXTPOZ7+l4=
+golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/term v0.0.0-20220526004731-065cf7ba2467 h1:CBpWXWQpIRjzmkkA+M7q9Fqnwd2mZr3AFqexg8YTfoM=
+golang.org/x/term v0.0.0-20220526004731-065cf7ba2467/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=

main.go

@@ -1,4 +1,14 @@
 package main
 
 func main() {
+	todos := Todos{}
+
+	todos.add("Learn more Go")
+	todos.add("You have to understand the code you are writing")
+	todos.add("You have to understand the code you are writing")
+
+	todos.toggle(0)
+
+	todos.delete(2)
+	todos.print()
 }

todo.go

@@ -0,0 +1,94 @@
+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()
+}