added avatar for verification bot

internal/app/files/verifybot_avatar_seed.go

@@ -0,0 +1,54 @@
+package files
+
+import (
+	"context"
+	_ "embed"
+	"fmt"
+	"time"
+
+	"telesrv/internal/domain"
+)
+
+//go:embed seedassets/verifybot_avatar.png
+var verifyBotAvatarPNG []byte
+
+// SeedVerifyBotAvatar idempotently seeds the built-in @verifybot account's
+// profile photo from the bundled avatar, mirroring SeedChatBotAvatar: writes
+// it under the fixed domain.VerifyBotUserPhotoID so the photo/blob layer and
+// the pure domain.VerifyBotUser() struct literal stay in sync across
+// restarts, and registers it as the account's *current* profile photo so
+// users.getFullUser resolves it too. Returns true if it actually wrote a new
+// photo.
+func (s *Service) SeedVerifyBotAvatar(ctx context.Context) (bool, error) {
+	photoID := domain.VerifyBotUserPhotoID
+	wrote := false
+	if _, found, err := s.media.GetPhoto(ctx, photoID); err != nil {
+		return false, err
+	} else if !found {
+		sizes, err := s.putPhotoStaticSizes(ctx, photoID, verifyBotAvatarPNG, photoSizeSpecsForAvatar(verifyBotAvatarPNG))
+		if err != nil {
+			return false, err
+		}
+		photo := domain.Photo{
+			ID:            photoID,
+			AccessHash:    domain.VerifyBotUserPhotoAccessHash,
+			FileReference: randomFileReference(),
+			Date:          int(time.Now().Unix()),
+			DCID:          s.dc,
+			Sizes:         sizes,
+		}
+		if err := s.media.PutPhoto(ctx, photo); err != nil {
+			return false, err
+		}
+		wrote = true
+	}
+	photo, ok, err := s.SetCurrentProfilePhoto(ctx, domain.PeerTypeUser, domain.VerifyBotUserID, photoID, int(time.Now().Unix()))
+	if err != nil {
+		return false, err
+	}
+	if !ok {
+		return false, fmt.Errorf("verifybot avatar photo %d not found after seeding", photoID)
+	}
+	domain.SetVerifyBotAvatar(photo.DCID, domain.StrippedFromSizes(photo.Sizes))
+	return wrote, nil
+}