// findUnreadEmails will run a find the UIDs of any unread emails in the
// mailbox.
func findUnreadEmails(conn *imap.Client) (*imap.Command, error) {
// get headers and UID for UnSeen message in src inbox...
cmd, err := imap.Wait(conn.UIDSearch("UNSEEN"))
if err != nil {
return &imap.Command{}, err
}
return cmd, nil
}
func archive(c *imap.Client, thrid string) error {
cmd, err := imap.Wait(c.UIDSearch("X-GM-THRID", thrid))
if err != nil {
log.Println(err)
return ErrBadConnection
}
if len(cmd.Data) == 0 {
return nil
}
var set imap.SeqSet
set.AddNum(cmd.Data[0].SearchResults()...)
_, err = imap.Wait(c.UIDStore(&set, "+FLAGS.SILENT", `(\Deleted)`))
return err
}
// loadMessages will search and fetch message body
func loadMessages(client *imap.Client, config *Config) error {
cmd, err := imap.Wait(client.UIDSearch("FROM", client.Quote(config.From), "UNSEEN"))
if err != nil {
return err
}
seq := new(imap.SeqSet)
if len(cmd.Data) > 0 {
seq.AddNum(cmd.Data[0].SearchResults()...)
}
if seq.Empty() {
return nil
}
logger.Infof("Fetched UIDs %v", seq)
cmd, err = imap.Wait(client.UIDFetch(seq, "FLAGS", "INTERNALDATE", "RFC822.SIZE", "BODY[]"))
if err != nil {
return err
}
for _, rsp := range cmd.Data {
body, err := fetchMessage(client, rsp.MessageInfo().UID)
if err != nil {
logger.Fatal(err)
return err
}
err = writeFileFromBody(bytes.NewReader(body), config)
if err != nil {
logger.Fatal(err)
return err
}
}
if !seq.Empty() {
_, err = imap.Wait(client.UIDStore(seq, "+FLAGS.SILENT", imap.NewFlagSet(`\Seen`)))
}
cmd.Data = nil
return err
}
// findEmails will run a find the UIDs of any emails that match the search.:
func findEmails(client *imap.Client, search string, since *time.Time) (*imap.Command, error) {
var specs []imap.Field
if len(search) > 0 {
specs = append(specs, search)
}
if since != nil {
sinceStr := since.Format(dateFormat)
specs = append(specs, "SINCE", sinceStr)
}
// get headers and UID for UnSeen message in src inbox...
cmd, err := imap.Wait(client.UIDSearch(specs...))
if err != nil {
return &imap.Command{}, fmt.Errorf("uid search failed: %s", err)
}
return cmd, nil
}