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package msg
import (
"fmt"
"github.com/Necoro/feed2imap-go/internal/imap"
"github.com/Necoro/feed2imap-go/pkg/log"
)
// headers
const (
VersionHeader = "X-Feed2Imap-Version"
ReasonHeader = "X-Feed2Imap-Reason"
IdHeader = "X-Feed2Imap-Item"
GuidHeader = "X-Feed2Imap-Guid"
CreateHeader = "X-Feed2Imap-Create-Date"
)
type Messages []Message
type Message struct {
Content string
IsUpdate bool
ID string
}
func (m Messages) Upload(client *imap.Client, folder imap.Folder, reupload bool) error {
toStore := make([]string, 0, len(m))
updateMsgs := make(chan Message, 5)
ok := make(chan bool)
go func() { /* update goroutine */
errHappened := false
for msg := range updateMsgs {
if err := client.Replace(folder, IdHeader, msg.ID, msg.Content, reupload); err != nil {
log.Errorf("Error while updating mail with id '%s' in folder '%s'. Skipping.: %s",
msg.ID, folder, err)
errHappened = true
}
}
ok <- errHappened
}()
for _, msg := range m {
if !msg.IsUpdate {
toStore = append(toStore, msg.Content)
} else {
updateMsgs <- msg
}
}
close(updateMsgs)
putErr := client.PutMessages(folder, toStore)
updOk := <-ok
if putErr != nil {
return putErr
}
if updOk {
return fmt.Errorf("Errors during updating mails.")
}
return nil
}
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