FetchBodyPart doesn't need the parent body structure

commands/msg/forward.go

@@ -138,7 +138,7 @@ func (forward) Execute(aerc *widgets.Aerc, args []string) error {
 
 		// TODO: something more intelligent than fetching the 1st part
 		// TODO: add attachments!
-		store.FetchBodyPart(msg.Uid, msg.BodyStructure, []int{1}, func(reader io.Reader) {
+		store.FetchBodyPart(msg.Uid, []int{1}, func(reader io.Reader) {
 			buf := new(bytes.Buffer)
 			buf.ReadFrom(reader)
 			original.Text = buf.String()

commands/msg/pipe.go

@@ -127,7 +127,7 @@ func (Pipe) Execute(aerc *widgets.Aerc, args []string) error {
 	} else if pipePart {
 		p := provider.SelectedMessagePart()
 		store := provider.Store()
-		store.FetchBodyPart(p.Msg.Uid, p.Msg.BodyStructure, p.Index, func(reader io.Reader) {
+		store.FetchBodyPart(p.Msg.Uid, p.Index, func(reader io.Reader) {
 			if background {
 				doExec(reader)
 			} else {

commands/msg/recall.go

@@ -114,7 +114,7 @@ func (Recall) Execute(aerc *widgets.Aerc, args []string) error {
 		path = []int{1}
 	}
 
-	store.FetchBodyPart(msgInfo.Uid, part, path, func(reader io.Reader) {
+	store.FetchBodyPart(msgInfo.Uid, path, func(reader io.Reader) {
 		header := message.Header{}
 		header.SetText(
 			"Content-Transfer-Encoding", part.Encoding)

commands/msg/reply.go

@@ -165,7 +165,7 @@ func (reply) Execute(aerc *widgets.Aerc, args []string) error {
 			template = aerc.Config().Templates.QuotedReply
 		}
 
-		store.FetchBodyPart(msg.Uid, msg.BodyStructure, []int{1}, func(reader io.Reader) {
+		store.FetchBodyPart(msg.Uid, []int{1}, func(reader io.Reader) {
 			buf := new(bytes.Buffer)
 			buf.ReadFrom(reader)
 			original.Text = buf.String()

commands/msgview/open.go

@@ -36,7 +36,7 @@ func (Open) Execute(aerc *widgets.Aerc, args []string) error {
 	p := mv.SelectedMessagePart()
 
 	store := mv.Store()
-	store.FetchBodyPart(p.Msg.Uid, p.Msg.BodyStructure, p.Index, func(reader io.Reader) {
+	store.FetchBodyPart(p.Msg.Uid, p.Index, func(reader io.Reader) {
 		extension := ""
 		// try to determine the correct extension based on mimetype
 		if part, err := p.Msg.BodyStructure.PartAtIndex(p.Index); err == nil {

commands/msgview/save.go

@@ -109,21 +109,20 @@ func (Save) Execute(aerc *widgets.Aerc, args []string) error {
 
 	ch := make(chan error, 1)
 	store := mv.Store()
-	store.FetchBodyPart(
-		pi.Msg.Uid, pi.Msg.BodyStructure, pi.Index, func(reader io.Reader) {
-			f, err := os.Create(path)
-			if err != nil {
-				ch <- err
-				return
-			}
-			defer f.Close()
-			_, err = io.Copy(f, reader)
-			if err != nil {
-				ch <- err
-				return
-			}
-			ch <- nil
-		})
+	store.FetchBodyPart(pi.Msg.Uid, pi.Index, func(reader io.Reader) {
+		f, err := os.Create(path)
+		if err != nil {
+			ch <- err
+			return
+		}
+		defer f.Close()
+		_, err = io.Copy(f, reader)
+		if err != nil {
+			ch <- err
+			return
+		}
+		ch <- nil
+	})
 
 	// we need to wait for the callback prior to displaying a result
 	go func() {