feat: add avatar upload support (MinIO bucket, PocketBase field, SvelteKit API, iOS ProfileView)

scraper/internal/storage/minio.go

@@ -23,6 +23,7 @@ type MinioConfig struct {
 	BucketChapters string // e.g. "libnovel-chapters"
 	BucketAudio    string // e.g. "libnovel-audio"
 	BucketBrowse   string // e.g. "libnovel-browse"
+	BucketAvatars  string // e.g. "libnovel-avatars"
 }
 
 // MinioClient wraps a minio.Client and exposes object operations for
@@ -59,7 +60,7 @@ func NewMinioClient(ctx context.Context, cfg MinioConfig) (*MinioClient, error)
 	}
 
 	mc := &MinioClient{c: c, pub: pub, cfg: cfg}
-	for _, bucket := range []string{cfg.BucketChapters, cfg.BucketAudio, cfg.BucketBrowse} {
+	for _, bucket := range []string{cfg.BucketChapters, cfg.BucketAudio, cfg.BucketBrowse, cfg.BucketAvatars} {
 		if bucket == "" {
 			continue
 		}
@@ -336,3 +337,61 @@ func sanitiseVoice(voice string) string {
 		return '_'
 	}, voice)
 }
+
+// ─── Avatar objects ───────────────────────────────────────────────────────────
+
+// avatarKey returns the MinIO object key for a user avatar.
+// Layout: avatars/{userId}.{ext}
+func avatarKey(userID, ext string) string {
+	return fmt.Sprintf("avatars/%s.%s", userID, ext)
+}
+
+// PutAvatar stores an avatar image in the avatars bucket.
+// ext should be "jpg", "png", or "webp".
+func (m *MinioClient) PutAvatar(ctx context.Context, userID, ext string, data []byte, contentType string) error {
+	if m.cfg.BucketAvatars == "" {
+		return fmt.Errorf("minio: avatars bucket not configured")
+	}
+	key := avatarKey(userID, ext)
+	_, err := m.c.PutObject(ctx, m.cfg.BucketAvatars, key,
+		bytes.NewReader(data), int64(len(data)),
+		minio.PutObjectOptions{ContentType: contentType})
+	if err != nil {
+		return fmt.Errorf("minio: put avatar %s: %w", key, err)
+	}
+	return nil
+}
+
+// PresignAvatarURL returns a presigned GET URL for a user avatar.
+// Returns ("", false, nil) when no avatar exists for the given userID.
+func (m *MinioClient) PresignAvatarURL(ctx context.Context, userID string) (string, bool, error) {
+	if m.cfg.BucketAvatars == "" {
+		return "", false, nil
+	}
+	// Try common extensions in order of preference.
+	for _, ext := range []string{"jpg", "png", "webp", "gif"} {
+		key := avatarKey(userID, ext)
+		_, statErr := m.c.StatObject(ctx, m.cfg.BucketAvatars, key, minio.StatObjectOptions{})
+		if statErr != nil {
+			continue
+		}
+		u, err := m.pub.PresignedGetObject(ctx, m.cfg.BucketAvatars, key, 24*time.Hour, nil)
+		if err != nil {
+			return "", false, fmt.Errorf("minio: presign avatar %s: %w", key, err)
+		}
+		return u.String(), true, nil
+	}
+	return "", false, nil
+}
+
+// DeleteAvatar removes any existing avatar for the given userID (all extensions).
+func (m *MinioClient) DeleteAvatar(ctx context.Context, userID string) error {
+	if m.cfg.BucketAvatars == "" {
+		return nil
+	}
+	for _, ext := range []string{"jpg", "png", "webp", "gif"} {
+		key := avatarKey(userID, ext)
+		_ = m.c.RemoveObject(ctx, m.cfg.BucketAvatars, key, minio.RemoveObjectOptions{})
+	}
+	return nil
+}

scraper/internal/storage/pocketbase.go

@@ -458,6 +458,8 @@ type migration struct {
 var migrations = []migration{
 	// user_id was added to progress after initial deploy.
 	{"progress", "user_id", "text"},
+	// avatar_url stores the MinIO presign path for the user's profile picture.
+	{"app_users", "avatar_url", "text"},
 }
 
 // EnsureMigrations idempotently adds any fields that are missing from existing