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package msgview
import (
"errors"
"fmt"
"strconv"
"strings"
"git.sr.ht/~rjarry/aerc/app"
"git.sr.ht/~rjarry/aerc/commands/account"
"git.sr.ht/~rjarry/aerc/lib"
"git.sr.ht/~rjarry/aerc/models"
"git.sr.ht/~rjarry/aerc/worker/types"
)
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 {
cmd := account.NextPrevMsg{Amount: np.Amount, Percent: np.Percent}
err := cmd.Execute(args)
if err != nil {
return err
}
mv, _ := app.SelectedTabContent().(*app.MessageViewer)
acct := mv.SelectedAccount()
if acct == nil {
return errors.New("No account selected")
}
store := mv.Store()
if store == nil {
return fmt.Errorf("Cannot perform action. No message store set.")
}
executeNextPrev := func(nextMsg *models.MessageInfo) {
lib.NewMessageStoreView(nextMsg, mv.MessageView().SeenFlagSet(),
store, app.CryptoProvider(), app.DecryptKeys,
func(view lib.MessageView, err error) {
if err != nil {
app.PushError(err.Error())
return
}
nextMv := app.NewMessageViewer(acct, view)
app.ReplaceTab(mv, nextMv,
nextMsg.Envelope.Subject, true)
})
}
if nextMsg := store.Selected(); nextMsg != nil {
executeNextPrev(nextMsg)
} else {
store.FetchHeaders([]uint32{store.SelectedUid()},
func(msg types.WorkerMessage) {
if m, ok := msg.(*types.MessageInfo); ok {
executeNextPrev(m.Info)
}
})
}
return nil
}
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