refactor: sql queries related to privacy-accounting;

chore: regenerated swagger;
feat: utilizing new 410 error when user is banned/unavailable/deleted

backend/internal/services/profile.go

@@ -79,10 +79,7 @@ func (p *profileServiceImpl) GetProfileByUsername(cinfo dto.ClientInfo, username
 	}
 	defer helper.Rollback()
 
-	profileRow, err := db.TXQueries.GetProfileByUsernameWithPrivacy(db.CTX, database.GetProfileByUsernameWithPrivacyParams{
-		Requester: cinfo.Username,
-		SearchedUsername: username,
-	}); if err != nil {
+	profileRow, err := db.TXQueries.GetProfileByUsername(db.CTX, username); if err != nil {
 		if errors.Is(err, pgx.ErrNoRows) {
 			return nil, errs.ErrNotFound
 		}
@@ -94,9 +91,33 @@ func (p *profileServiceImpl) GetProfileByUsername(cinfo dto.ClientInfo, username
 		return nil, errs.ErrServerError
 	}
 
-	if !*profileRow.AccessAllowed {
+	accessChecks, err := db.TXlessQueries.CheckProfileAccess(db.CTX, database.CheckProfileAccessParams{
+		Requester: cinfo.Username,
+		ID: profileRow.ID,
+	}); if err != nil {
+		p.log.Error(
+			"Failed to check access for given profile",
+			zap.String("profile_owner_username", username),
+			zap.String("requester", cinfo.Username),
+			zap.Error(err))
+		return nil, errs.ErrServerError
+	}
+
+	if accessChecks.AuthRequired {
+		return nil, errs.ErrUnauthorized
+	}
+	if accessChecks.Hidden {
 		return nil, errs.ErrForbidden
 	}
+	if accessChecks.UserBanned {
+		return nil, errs.ErrGone
+	}
+	if accessChecks.UserUnavailable {
+		return nil, errs.ErrGone
+	}
+	if accessChecks.CaptchaRequired {
+		p.log.Warn("Captcha check is not implemented")
+	}
 
 	profileDto := &dto.ProfileDto{
 		Name: profileRow.Name,