attach image

output/bluesky.go

@@ -1,8 +1,9 @@
 package output
 
 import (
+	"bytes"
 	"context"
-	"log"
+	"fmt"
 	"time"
 
 	"github.com/bluesky-social/indigo/api/atproto"
@@ -26,7 +27,7 @@ func BlueskyOutput(identifier string, password string) *blueskyoutput {
 	return blueskyoutput
 }
 
-func (bo *blueskyoutput) Write(str string) error {
+func (bo *blueskyoutput) Write(str string, images []Image) error {
 	cli := &xrpc.Client{
 		Host: "https://bsky.social",
 	}
@@ -38,7 +39,7 @@ func (bo *blueskyoutput) Write(str string) error {
 
 	output, err := atproto.ServerCreateSession(context.TODO(), cli, input)
 	if err != nil {
-		log.Fatal(err)
+		return err
 	}
 	cli.Auth = &xrpc.AuthInfo{
 		AccessJwt:  output.AccessJwt,
@@ -47,14 +48,35 @@ func (bo *blueskyoutput) Write(str string) error {
 		Did:        output.Did,
 	}
 
+	post := &bsky.FeedPost{
+		Text:      str,
+		CreatedAt: time.Now().Format(util.ISO8601),
+		Langs:     []string{"ja"},
+	}
+
+	if len(images) > 0 {
+		embedimages := make([]*bsky.EmbedImages_Image, 0, len(images))
+		for _, img := range images {
+			blob, err := atproto.RepoUploadBlob(context.TODO(), cli, bytes.NewReader(img.Data))
+			if err != nil {
+				return fmt.Errorf("uploading %s: %w", img.Filename, err)
+			}
+			embedimages = append(embedimages, &bsky.EmbedImages_Image{
+				Alt:   img.Filename,
+				Image: blob.Blob,
+			})
+		}
+		post.Embed = &bsky.FeedPost_Embed{
+			EmbedImages: &bsky.EmbedImages{
+				Images: embedimages,
+			},
+		}
+	}
+
 	Recordinput := &atproto.RepoCreateRecord_Input{
 		Collection: "app.bsky.feed.post",
 		Repo:       cli.Auth.Did, // "matope.bsky.social" のDID
-		Record: &lexutil.LexiconTypeDecoder{&bsky.FeedPost{
-			Text:      str,
-			CreatedAt: time.Now().Format(util.ISO8601),
-			Langs:     []string{"ja"},
-		}},
+		Record:     &lexutil.LexiconTypeDecoder{Val: post},
 	}
 	_, recerr := atproto.RepoCreateRecord(context.TODO(), cli, Recordinput)