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package msg
import (
"bytes"
"fmt"
"time"
"git.sr.ht/~rjarry/aerc/app"
"git.sr.ht/~rjarry/aerc/commands"
"git.sr.ht/~rjarry/aerc/lib"
"git.sr.ht/~rjarry/aerc/lib/log"
"git.sr.ht/~rjarry/aerc/models"
"git.sr.ht/~rjarry/aerc/worker/types"
)
type Copy struct {
CreateFolders bool `opt:"-p"`
Account string `opt:"-a" complete:"CompleteAccount"`
MultiFileStrategy *types.MultiFileStrategy `opt:"-m" action:"ParseMFS" complete:"CompleteMFS"`
Folder string `opt:"folder" complete:"CompleteFolder"`
}
func init() {
commands.Register(Copy{})
}
func (Copy) Context() commands.CommandContext {
return commands.MESSAGE_LIST | commands.MESSAGE_VIEWER
}
func (Copy) Aliases() []string {
return []string{"cp", "copy"}
}
func (c *Copy) ParseMFS(arg string) error {
if arg != "" {
mfs, ok := types.StrToStrategy[arg]
if !ok {
return fmt.Errorf("invalid multi-file strategy %s", arg)
}
c.MultiFileStrategy = &mfs
}
return nil
}
func (*Copy) CompleteAccount(arg string) []string {
return commands.FilterList(app.AccountNames(), arg, commands.QuoteSpace)
}
func (c *Copy) CompleteFolder(arg string) []string {
var acct *app.AccountView
if len(c.Account) > 0 {
acct, _ = app.Account(c.Account)
} else {
acct = app.SelectedAccount()
}
if acct == nil {
return nil
}
return commands.FilterList(acct.Directories().List(), arg, nil)
}
func (Copy) CompleteMFS(arg string) []string {
return commands.FilterList(types.StrategyStrs(), arg, nil)
}
func (c Copy) Execute(args []string) error {
h := newHelper()
uids, err := h.markedOrSelectedUids()
if err != nil {
return err
}
store, err := h.store()
if err != nil {
return err
}
if len(c.Account) == 0 {
store.Copy(uids, c.Folder, c.CreateFolders, c.MultiFileStrategy,
func(msg types.WorkerMessage) {
c.CallBack(msg, uids, store)
})
return nil
}
destAcct, err := app.Account(c.Account)
if err != nil {
return err
}
destStore := destAcct.Store()
if destStore == nil {
app.PushError(fmt.Sprintf("No message store in %s", c.Account))
return nil
}
var messages []*types.FullMessage
fetchDone := make(chan bool, 1)
store.FetchFull(uids, func(fm *types.FullMessage) {
messages = append(messages, fm)
if len(messages) == len(uids) {
fetchDone <- true
}
})
// Since this operation can take some time with some backends
// (e.g. IMAP), provide some feedback to inform the user that
// something is happening
app.PushStatus("Copying messages...", 10*time.Second)
go func() {
defer log.PanicHandler()
select {
case <-fetchDone:
break
case <-time.After(30 * time.Second):
// TODO: find a better way to determine if store.FetchFull()
// has finished with some errors.
app.PushError("Failed to fetch all messages")
if len(messages) == 0 {
return
}
}
for _, fm := range messages {
buf := new(bytes.Buffer)
_, err = buf.ReadFrom(fm.Content.Reader)
if err != nil {
log.Warnf("failed to read message: %v", err)
continue
}
destStore.Append(
c.Folder,
models.SeenFlag,
time.Now(),
buf,
buf.Len(),
func(msg types.WorkerMessage) {
c.CallBack(msg, uids, store)
},
)
}
}()
return nil
}
func (c Copy) CallBack(msg types.WorkerMessage, uids []uint32, store *lib.MessageStore) {
dest := c.Folder
if len(c.Account) != 0 {
dest = fmt.Sprintf("%s in %s", c.Folder, c.Account)
}
switch msg := msg.(type) {
case *types.Done:
var s string
if len(uids) > 1 {
s = "%d messages copied to %s"
} else {
s = "%d message copied to %s"
}
app.PushStatus(fmt.Sprintf(s, len(uids), dest), 10*time.Second)
store.Marker().ClearVisualMark()
case *types.Error:
app.PushError(msg.Error.Error())
}
}
|
