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package account
import (
"errors"
"strconv"
"strings"
"git.sr.ht/~rjarry/aerc/app"
"git.sr.ht/~rjarry/aerc/lib/ui"
)
type NextPrevMsg struct {
Amount int `opt:"n" default:"1" metavar:"<n>[%]" action:"ParseAmount"`
Percent bool
}
func init() {
register(NextPrevMsg{})
}
func (np *NextPrevMsg) ParseAmount(arg string) error {
if strings.HasSuffix(arg, "%") {
np.Percent = true
arg = strings.TrimSuffix(arg, "%")
}
i, err := strconv.ParseInt(arg, 10, 64)
if err != nil {
return err
}
np.Amount = int(i)
return nil
}
func (NextPrevMsg) Aliases() []string {
return []string{"next", "next-message", "prev", "prev-message"}
}
func (np NextPrevMsg) Execute(args []string) error {
acct := app.SelectedAccount()
if acct == nil {
return errors.New("No account selected")
}
n := np.Amount
if np.Percent {
n = int(float64(acct.Messages().Height()) * (float64(n) / 100.0))
}
if args[0] == "prev-message" || args[0] == "prev" {
store := acct.Store()
if store != nil {
store.NextPrev(-n)
ui.Invalidate()
}
} else {
store := acct.Store()
if store != nil {
store.NextPrev(n)
ui.Invalidate()
}
}
return nil
}
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