weather/wayland.go

86 lines
1.8 KiB
Go

package main
import (
"context"
"fmt"
"os"
"os/exec"
"path/filepath"
"time"
)
func requireST() error {
if _, err := exec.LookPath("st"); err != nil {
return fmt.Errorf("st is required for wayland discussion")
}
return nil
}
func requireNvim() error {
if _, err := exec.LookPath("nvim"); err != nil {
return fmt.Errorf("nvim is required for wayland discussion")
}
return nil
}
func runDiscussionWayland(ctx context.Context, text string) error {
if err := requireST(); err != nil {
return err
}
if err := requireNvim(); err != nil {
return err
}
if _, err := exec.LookPath("swaymsg"); err != nil {
return fmt.Errorf("swaymsg is required for wayland discussion")
}
tmpPath, cleanup, err := makeAFDTempFile(text)
if err != nil {
return err
}
defer cleanup()
cmd := exec.CommandContext(ctx, "st", "-n", "scratch", "-e", "nvim", tmpPath)
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
if err := cmd.Start(); err != nil {
return err
}
time.Sleep(150 * time.Millisecond)
_ = exec.CommandContext(ctx, "swaymsg", "[instance=\"scratch\"]", "move", "to", "scratchpad").Run()
_ = exec.CommandContext(ctx, "swaymsg", "[instance=\"scratch\"]", "scratchpad", "show").Run()
err = cmd.Wait()
return err
}
func makeAFDTempFile(text string) (string, func(), error) {
base := os.Getenv("XDG_CACHE_HOME")
if base == "" {
base = os.TempDir()
}
dir := filepath.Join(base, "weather")
if err := os.MkdirAll(dir, 0o755); err != nil {
return "", nil, err
}
file, err := os.CreateTemp(dir, "afd-*.md")
if err != nil {
return "", nil, err
}
path := file.Name()
if _, err := file.WriteString(text); err != nil {
_ = file.Close()
_ = os.Remove(path)
return "", nil, err
}
if err := file.Close(); err != nil {
_ = os.Remove(path)
return "", nil, err
}
cleanup := func() {
_ = os.Remove(path)
}
return path, cleanup, nil
}