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package imap
import (
"github.com/emersion/go-imap"
"git.sr.ht/~sircmpwn/aerc2/worker/types"
)
func (imapw *IMAPWorker) handleFetchMessageHeaders(
msg *types.FetchMessageHeaders) {
imapw.worker.Logger.Printf("Fetching message headers")
items := []imap.FetchItem{
imap.FetchBodyStructure,
imap.FetchEnvelope,
imap.FetchInternalDate,
imap.FetchFlags,
imap.FetchUid,
}
imapw.handleFetchMessages(msg, &msg.Uids, items, nil)
}
func (imapw *IMAPWorker) handleFetchMessageBodyPart(
msg *types.FetchMessageBodyPart) {
imapw.worker.Logger.Printf("Fetching message part")
section := &imap.BodySectionName{}
section.Path = []int{msg.Part + 1}
items := []imap.FetchItem{section.FetchItem()}
uids := imap.SeqSet{}
uids.AddNum(msg.Uid)
imapw.handleFetchMessages(msg, &uids, items, section)
}
func (imapw *IMAPWorker) handleFetchFullMessages(
msg *types.FetchFullMessages) {
imapw.worker.Logger.Printf("Fetching full messages")
section := &imap.BodySectionName{}
items := []imap.FetchItem{section.FetchItem()}
imapw.handleFetchMessages(msg, &msg.Uids, items, section)
}
func (imapw *IMAPWorker) handleFetchMessages(
msg types.WorkerMessage, uids *imap.SeqSet, items []imap.FetchItem,
section *imap.BodySectionName) {
go func() {
messages := make(chan *imap.Message)
done := make(chan error, 1)
go func() {
done <- imapw.client.UidFetch(uids, items, messages)
}()
go func() {
for _msg := range messages {
imapw.seqMap[_msg.SeqNum-1] = _msg.Uid
switch msg.(type) {
case *types.FetchMessageHeaders:
imapw.worker.PostMessage(&types.MessageInfo{
Message: types.RespondTo(msg),
BodyStructure: _msg.BodyStructure,
Envelope: _msg.Envelope,
Flags: _msg.Flags,
InternalDate: _msg.InternalDate,
Uid: _msg.Uid,
}, nil)
case *types.FetchFullMessages:
reader := _msg.GetBody(section)
imapw.worker.PostMessage(&types.FullMessage{
Message: types.RespondTo(msg),
Reader: reader,
Uid: _msg.Uid,
}, nil)
case *types.FetchMessageBodyPart:
reader := _msg.GetBody(section)
imapw.worker.PostMessage(&types.MessageBodyPart{
Message: types.RespondTo(msg),
Reader: reader,
Uid: _msg.Uid,
}, nil)
}
}
if err := <-done; err != nil {
imapw.worker.PostMessage(&types.Error{
Message: types.RespondTo(msg),
Error: err,
}, nil)
} else {
imapw.worker.PostMessage(
&types.Done{types.RespondTo(msg)}, nil)
}
}()
}()
}
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