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Generally Working app

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ghostersk
2026-03-07 20:29:20 +00:00
parent d4a4a5ec30
commit 12b1a44b96
7 changed files with 144 additions and 42 deletions
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52
internal/email/imap.go
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@@ -236,8 +236,8 @@ func (c *Client) ListMailboxes() ([]*imap.MailboxInfo, error) {
return result, <-done
}
// FetchMessages fetches messages received within the last `days` days.
// Falls back to the most recent 200 if the server does not support SEARCH.
// FetchMessages fetches messages from a mailbox.
// If days <= 0, fetches ALL messages. Otherwise fetches messages since `days` days ago.
func (c *Client) FetchMessages(mailboxName string, days int) ([]*gomailModels.Message, error) {
mbox, err := c.imap.Select(mailboxName, true)
if err != nil {
@@ -247,15 +247,22 @@ func (c *Client) FetchMessages(mailboxName string, days int) ([]*gomailModels.Me
return nil, nil
}
since := time.Now().AddDate(0, 0, -days)
criteria := imap.NewSearchCriteria()
criteria.Since = since
var uids []uint32
if days <= 0 {
// Fetch ALL messages — empty criteria matches everything
uids, err = c.imap.UidSearch(imap.NewSearchCriteria())
} else {
since := time.Now().AddDate(0, 0, -days)
criteria := imap.NewSearchCriteria()
criteria.Since = since
uids, err = c.imap.UidSearch(criteria)
}
uids, err := c.imap.Search(criteria)
if err != nil || len(uids) == 0 {
// Fallback: fetch last 500 by sequence number
from := uint32(1)
if mbox.Messages > 200 {
from = mbox.Messages - 199
if mbox.Messages > 500 {
from = mbox.Messages - 499
}
seqSet := new(imap.SeqSet)
seqSet.AddRange(from, mbox.Messages)
@@ -266,7 +273,7 @@ func (c *Client) FetchMessages(mailboxName string, days int) ([]*gomailModels.Me
for _, uid := range uids {
seqSet.AddNum(uid)
}
return c.fetchBySeqSet(seqSet)
return c.fetchByUIDSet(seqSet)
}
func (c *Client) fetchBySeqSet(seqSet *imap.SeqSet) ([]*gomailModels.Message, error) {
@@ -296,6 +303,33 @@ func (c *Client) fetchBySeqSet(seqSet *imap.SeqSet) ([]*gomailModels.Message, er
return results, nil
}
// fetchByUIDSet fetches messages by UID set (used when UIDs are returned from UidSearch).
func (c *Client) fetchByUIDSet(seqSet *imap.SeqSet) ([]*gomailModels.Message, error) {
items := []imap.FetchItem{
imap.FetchUid, imap.FetchEnvelope,
imap.FetchFlags, imap.FetchBodyStructure,
imap.FetchRFC822,
}
ch := make(chan *imap.Message, 64)
done := make(chan error, 1)
go func() { done <- c.imap.UidFetch(seqSet, items, ch) }()
var results []*gomailModels.Message
for msg := range ch {
m, err := parseIMAPMessage(msg, c.account)
if err != nil {
log.Printf("parse message uid=%d: %v", msg.Uid, err)
continue
}
results = append(results, m)
}
if err := <-done; err != nil {
return results, fmt.Errorf("uid fetch: %w", err)
}
return results, nil
}
func parseIMAPMessage(msg *imap.Message, account *gomailModels.EmailAccount) (*gomailModels.Message, error) {
m := &gomailModels.Message{
AccountID: account.ID,