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package msg
import (
"fmt"
"time"
"git.sr.ht/~rjarry/aerc/app"
"git.sr.ht/~rjarry/aerc/commands"
"git.sr.ht/~rjarry/aerc/config"
"git.sr.ht/~rjarry/aerc/lib"
"git.sr.ht/~rjarry/aerc/lib/ui"
"git.sr.ht/~rjarry/aerc/models"
"git.sr.ht/~rjarry/aerc/worker/types"
)
type Delete struct {
MultiFileStrategy *types.MultiFileStrategy `opt:"-m" action:"ParseMFS" complete:"CompleteMFS"`
}
func init() {
commands.Register(Delete{})
}
func (Delete) Context() commands.CommandContext {
return commands.MESSAGE_LIST | commands.MESSAGE_VIEWER
}
func (Delete) Aliases() []string {
return []string{"delete", "delete-message"}
}
func (d *Delete) ParseMFS(arg string) error {
if arg != "" {
mfs, ok := types.StrToStrategy[arg]
if !ok {
return fmt.Errorf("invalid multi-file strategy %s", arg)
}
d.MultiFileStrategy = &mfs
}
return nil
}
func (Delete) CompleteMFS(arg string) []string {
return commands.FilterList(types.StrategyStrs(), arg, nil)
}
func (d Delete) Execute(args []string) error {
h := newHelper()
store, err := h.store()
if err != nil {
return err
}
uids, err := h.markedOrSelectedUids()
if err != nil {
return err
}
acct, err := h.account()
if err != nil {
return err
}
sel := store.Selected()
marker := store.Marker()
marker.ClearVisualMark()
// caution, can be nil
next := findNextNonDeleted(uids, store)
store.Delete(uids, d.MultiFileStrategy, func(msg types.WorkerMessage) {
switch msg := msg.(type) {
case *types.Done:
var s string
if len(uids) > 1 {
s = "%d messages deleted"
} else {
s = "%d message deleted"
}
app.PushStatus(fmt.Sprintf(s, len(uids)), 10*time.Second)
mv, isMsgView := h.msgProvider.(*app.MessageViewer)
if isMsgView {
if !config.Ui.NextMessageOnDelete {
app.RemoveTab(h.msgProvider, true)
} else {
// no more messages in the list
if next == nil {
app.RemoveTab(h.msgProvider, true)
acct.Messages().Select(-1)
ui.Invalidate()
return
}
lib.NewMessageStoreView(next, 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, next.Envelope.Subject, true)
})
}
} else {
if next == nil {
// We deleted the last message, select the new last message
// instead of the first message
acct.Messages().Select(-1)
}
}
case *types.Error:
marker.Remark()
store.Select(sel.Uid)
app.PushError(msg.Error.Error())
case *types.Unsupported:
marker.Remark()
store.Select(sel.Uid)
// notmuch doesn't support it, we want the user to know
app.PushError(" error, unsupported for this worker")
}
})
return nil
}
func findNextNonDeleted(deleted []models.UID, store *lib.MessageStore) *models.MessageInfo {
var next, previous *models.MessageInfo
stepper := []func(){store.Next, store.Prev}
for _, stepFn := range stepper {
previous = nil
for {
next = store.Selected()
if next != nil && !contains(deleted, next.Uid) {
if _, deleted := store.Deleted[next.Uid]; !deleted {
return next
}
}
if next == nil || previous == next {
// If previous == next, this is the last
// message. Set next to nil either way
next = nil
break
}
stepFn()
previous = next
}
}
if next != nil {
store.Select(next.Uid)
}
return next
}
func contains(uids []models.UID, uid models.UID) bool {
for _, item := range uids {
if item == uid {
return true
}
}
return false
}
|
