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root.go
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root.go
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package aws_engine
import (
"fmt"
"net/http"
"time"
tea "github.com/charmbracelet/bubbletea"
)
const url = "https://charm.sh"
type Model struct {
status int
err error
}
func checkServer() tea.Msg {
c := &http.Client{Timeout: 10 * time.Second}
res, err := c.Get(url)
if err != nil {
return errMsg{err}
}
return statusMsg(res.StatusCode)
}
type statusMsg int
func (e errMsg) Error() string { return e.err.Error() }
func (m Model) Init() tea.Cmd {
return checkServer
}
func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
switch msg := msg.(type) {
case statusMsg:
m.status = int(msg)
return m, tea.Quit
case errMsg:
m.err = msg
return m, tea.Quit
case tea.KeyMsg:
if msg.Type == tea.KeyCtrlC {
return m, tea.Quit
}
}
return m, nil
}
func (m Model) View() string {
if m.err != nil {
return fmt.Sprintf("\nWe had some trouble: %v\n\n", m.err)
}
s := fmt.Sprintf("Checking %s ...", url)
if m.status > 0 {
s += fmt.Sprintf("%d %s!", m.status, http.StatusText(m.status))
}
return "\n" + s + "\n\n"
}