Mortdecai
145 lines
3.6 KiB
Go
145 lines
3.6 KiB
Go
package maildir
|
|
|
|
import (
|
|
"fmt"
|
|
"io"
|
|
|
|
"github.com/emersion/go-maildir"
|
|
|
|
"git.sr.ht/~rjarry/aerc/lib/log"
|
|
"git.sr.ht/~rjarry/aerc/lib/rfc822"
|
|
"git.sr.ht/~rjarry/aerc/models"
|
|
"git.sr.ht/~rjarry/aerc/worker/lib"
|
|
)
|
|
|
|
// A Message is an individual email inside of a maildir.Dir.
|
|
type Message struct {
|
|
dir maildir.Dir
|
|
uid models.UID
|
|
key string
|
|
}
|
|
|
|
// NewReader reads a message into memory and returns an io.Reader for it.
|
|
func (m Message) NewReader() (io.ReadCloser, error) {
|
|
return m.dir.Open(m.key)
|
|
}
|
|
|
|
// Flags fetches the set of flags currently applied to the message.
|
|
func (m Message) Flags() ([]maildir.Flag, error) {
|
|
return m.dir.Flags(m.key)
|
|
}
|
|
|
|
// ModelFlags fetches the set of models.flags currently applied to the message.
|
|
func (m Message) ModelFlags() (models.Flags, error) {
|
|
flags, err := m.dir.Flags(m.key)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
return lib.FromMaildirFlags(flags), nil
|
|
}
|
|
|
|
// SetFlags replaces the message's flags with a new set.
|
|
func (m Message) SetFlags(flags []maildir.Flag) error {
|
|
return m.dir.SetFlags(m.key, flags)
|
|
}
|
|
|
|
// SetOneFlag enables or disables a single message flag on the message.
|
|
func (m Message) SetOneFlag(flag maildir.Flag, enable bool) error {
|
|
flags, err := m.Flags()
|
|
if err != nil {
|
|
return fmt.Errorf("could not read previous flags: %w", err)
|
|
}
|
|
if enable {
|
|
flags = append(flags, flag)
|
|
return m.SetFlags(flags)
|
|
}
|
|
var newFlags []maildir.Flag
|
|
for _, oldFlag := range flags {
|
|
if oldFlag != flag {
|
|
newFlags = append(newFlags, oldFlag)
|
|
}
|
|
}
|
|
return m.SetFlags(newFlags)
|
|
}
|
|
|
|
// MarkForwarded either adds or removes the maildir.FlagForwarded flag
|
|
// from the message.
|
|
func (m Message) MarkForwarded(forwarded bool) error {
|
|
return m.SetOneFlag(maildir.FlagPassed, forwarded)
|
|
}
|
|
|
|
// MarkReplied either adds or removes the maildir.FlagReplied flag from the
|
|
// message.
|
|
func (m Message) MarkReplied(answered bool) error {
|
|
return m.SetOneFlag(maildir.FlagReplied, answered)
|
|
}
|
|
|
|
// Remove deletes the email immediately.
|
|
func (m Message) Remove() error {
|
|
return m.dir.Remove(m.key)
|
|
}
|
|
|
|
// MessageInfo populates a models.MessageInfo struct for the message.
|
|
func (m Message) MessageInfo() (*models.MessageInfo, error) {
|
|
info, err := rfc822.MessageInfo(m)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
info.Size, err = m.Size()
|
|
if err != nil {
|
|
// don't care if size retrieval fails
|
|
log.Debugf("message size: %v", err)
|
|
}
|
|
return info, nil
|
|
}
|
|
|
|
func (m Message) Size() (uint32, error) {
|
|
name, err := m.dir.Filename(m.key)
|
|
if err != nil {
|
|
return 0, fmt.Errorf("failed to get filename: %w", err)
|
|
}
|
|
size, err := lib.FileSize(name)
|
|
if err != nil {
|
|
return 0, fmt.Errorf("failed to get filesize: %w", err)
|
|
}
|
|
return size, nil
|
|
}
|
|
|
|
// MessageHeaders populates a models.MessageInfo struct for the message with
|
|
// minimal information, used for sorting and threading.
|
|
func (m Message) MessageHeaders() (*models.MessageInfo, error) {
|
|
info, err := rfc822.MessageHeaders(m)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
info.Size, err = m.Size()
|
|
if err != nil {
|
|
// don't care if size retrieval fails
|
|
log.Debugf("message size failed: %v", err)
|
|
}
|
|
return info, nil
|
|
}
|
|
|
|
// NewBodyPartReader creates a new io.Reader for the requested body part(s) of
|
|
// the message.
|
|
func (m Message) NewBodyPartReader(requestedParts []int) (io.Reader, error) {
|
|
f, err := m.dir.Open(m.key)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer f.Close()
|
|
msg, err := rfc822.ReadMessage(f)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("could not read message: %w", err)
|
|
}
|
|
return rfc822.FetchEntityPartReader(msg, requestedParts)
|
|
}
|
|
|
|
func (m Message) UID() models.UID {
|
|
return m.uid
|
|
}
|
|
|
|
func (m Message) Labels() ([]string, error) {
|
|
return nil, nil
|
|
}
|