Pull BodyStructure up from IMAP worker

lib/msgstore.go

@@ -1,6 +1,8 @@
 package lib
 
 import (
+	"time"
+
 	"github.com/emersion/go-imap"
 	"github.com/mohamedattahri/mail"
 
@@ -91,10 +93,22 @@ func (store *MessageStore) FetchBodies(uids []uint32,
 func (store *MessageStore) merge(
 	to *types.MessageInfo, from *types.MessageInfo) {
 
-	// TODO: Merge more shit
+	if from.BodyStructure != nil {
+		to.BodyStructure = from.BodyStructure
+	}
 	if from.Envelope != nil {
 		to.Envelope = from.Envelope
 	}
+	if len(from.Flags) != 0 {
+		to.Flags = from.Flags
+	}
+	if from.Size != 0 {
+		to.Size = from.Size
+	}
+	var zero time.Time
+	if from.InternalDate != zero {
+		to.InternalDate = from.InternalDate
+	}
 }
 
 func (store *MessageStore) Update(msg types.WorkerMessage) {

worker/imap/fetch.go

@@ -12,6 +12,7 @@ func (imapw *IMAPWorker) handleFetchMessageHeaders(
 
 	imapw.worker.Logger.Printf("Fetching message headers")
 	items := []imap.FetchItem{
+		imap.FetchBodyStructure,
 		imap.FetchEnvelope,
 		imap.FetchInternalDate,
 		imap.FetchFlags,
@@ -57,6 +58,7 @@ func (imapw *IMAPWorker) handleFetchMessages(
 					}, nil)
 				} else {
 					imapw.worker.PostMessage(&types.MessageInfo{
+						BodyStructure: _msg.BodyStructure,
 						Envelope:      _msg.Envelope,
 						Flags:         _msg.Flags,
 						InternalDate:  _msg.InternalDate,

worker/types/messages.go

@@ -2,6 +2,7 @@ package types
 
 import (
 	"crypto/x509"
+	"io"
 	"time"
 
 	"github.com/emersion/go-imap"
@@ -86,6 +87,12 @@ type FetchMessageBodies struct {
 	Uids imap.SeqSet
 }
 
+type FetchMessageBodyPart struct {
+	Message
+	Uid  uint32
+	Part int
+}
+
 type DeleteMessages struct {
 	Message
 	Uids imap.SeqSet
@@ -120,6 +127,7 @@ type DirectoryContents struct {
 
 type MessageInfo struct {
 	Message
+	BodyStructure *imap.BodyStructure
 	Envelope      *imap.Envelope
 	Flags         []string
 	InternalDate  time.Time
@@ -133,6 +141,12 @@ type MessageBody struct {
 	Uid  uint32
 }
 
+type MessageBodyPart struct {
+	Message
+	Reader *io.Reader
+	Uid    uint32
+}
+
 type MessagesDeleted struct {
 	Message
 	Uids []uint32