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|
package account
import (
"bytes"
"errors"
"fmt"
"io"
"os"
"sync/atomic"
"time"
"git.sr.ht/~rjarry/aerc/app"
"git.sr.ht/~rjarry/aerc/commands"
"git.sr.ht/~rjarry/aerc/lib/xdg"
"git.sr.ht/~rjarry/aerc/log"
"git.sr.ht/~rjarry/aerc/models"
mboxer "git.sr.ht/~rjarry/aerc/worker/mbox"
"git.sr.ht/~rjarry/aerc/worker/types"
)
type ImportMbox struct {
Filename string `opt:"filename" complete:"CompleteFilename"`
}
func init() {
commands.Register(ImportMbox{})
}
func (ImportMbox) Context() commands.CommandContext {
return commands.ACCOUNT
}
func (ImportMbox) Aliases() []string {
return []string{"import-mbox"}
}
func (*ImportMbox) CompleteFilename(arg string) []string {
return commands.CompletePath(arg, false)
}
func (i ImportMbox) Execute(args []string) error {
acct := app.SelectedAccount()
if acct == nil {
return errors.New("No account selected")
}
store := acct.Store()
if store == nil {
return errors.New("No message store selected")
}
folder := acct.SelectedDirectory()
if folder == "" {
return errors.New("No directory selected")
}
i.Filename = xdg.ExpandHome(i.Filename)
importFolder := func() {
defer log.PanicHandler()
statusInfo := fmt.Sprintln("Importing", i.Filename, "to folder", folder)
app.PushStatus(statusInfo, 10*time.Second)
log.Debugf(statusInfo)
f, err := os.Open(i.Filename)
if err != nil {
app.PushError(err.Error())
return
}
defer f.Close()
messages, err := mboxer.Read(f)
if err != nil {
app.PushError(err.Error())
return
}
var appended uint32
for i, m := range messages {
done := make(chan bool)
var retries int = 4
for retries > 0 {
var buf bytes.Buffer
r, err := m.NewReader()
if err != nil {
log.Errorf("could not get reader for uid %d", m.UID())
break
}
nbytes, _ := io.Copy(&buf, r)
store.Append(
folder,
models.SeenFlag,
time.Now(),
&buf,
int(nbytes),
func(msg types.WorkerMessage) {
switch msg := msg.(type) {
case *types.Unsupported:
errMsg := fmt.Sprintf("%s: AppendMessage is unsupported", args[0])
log.Errorf(errMsg)
app.PushError(errMsg)
return
case *types.Error:
log.Errorf("AppendMessage failed: %v", msg.Error)
done <- false
case *types.Done:
atomic.AddUint32(&appended, 1)
done <- true
}
},
)
select {
case ok := <-done:
if ok {
retries = 0
} else {
// error encountered; try to append again after a quick nap
retries -= 1
sleeping := time.Duration((5 - retries) * 1e9)
log.Debugf("sleeping for %s before append message %d again", sleeping, i)
time.Sleep(sleeping)
}
case <-time.After(30 * time.Second):
log.Warnf("timed-out; appended %d of %d", appended, len(messages))
return
}
}
}
infoStr := fmt.Sprintf("%s: imported %d of %d successfully.", args[0], appended, len(messages))
log.Debugf(infoStr)
app.PushSuccess(infoStr)
}
if len(store.Uids()) > 0 {
confirm := app.NewSelectorDialog(
"Selected directory is not empty",
fmt.Sprintf("Import mbox file to %s anyways?", folder),
[]string{"No", "Yes"}, 0, app.SelectedAccountUiConfig(),
func(option string, err error) {
app.CloseDialog()
if option == "Yes" {
go importFolder()
}
},
)
app.AddDialog(confirm)
} else {
go importFolder()
}
return nil
}
|
