Added site relations crud routes

internal/database/site_sqlite.go

@@ -261,6 +261,46 @@ func (r *SQLiteSiteRepository) DeleteCustomHeaders(id string) error {
 	return nil
 }
 
+// Headers
+
+func (r *SQLiteSiteRepository) GetHeader(id string) (*models.Header, error) {
+	row := r.db.QueryRow(`SELECT id, key, value FROM headers WHERE id = ?`, id)
+
+	var h models.Header
+	if err := row.Scan(&h.ID, &h.Key, &h.Value); err != nil {
+		return nil, fmt.Errorf("get header: %w", err)
+	}
+	return &h, nil
+}
+
+func (r *SQLiteSiteRepository) CreateHeader(customHeaderID string, h *models.Header) error {
+	h.ID = uuid.NewString()
+	_, err := r.db.Exec(
+		`INSERT INTO headers (id, custom_header_id, key, value) VALUES (?, ?, ?, ?)`,
+		h.ID, customHeaderID, h.Key, h.Value,
+	)
+	if err != nil {
+		return fmt.Errorf("create header: %w", err)
+	}
+	return nil
+}
+
+func (r *SQLiteSiteRepository) UpdateHeader(h *models.Header) error {
+	_, err := r.db.Exec(`UPDATE headers SET key=?, value=? WHERE id=?`, h.Key, h.Value, h.ID)
+	if err != nil {
+		return fmt.Errorf("update header: %w", err)
+	}
+	return nil
+}
+
+func (r *SQLiteSiteRepository) DeleteHeader(id string) error {
+	_, err := r.db.Exec(`DELETE FROM headers WHERE id = ?`, id)
+	if err != nil {
+		return fmt.Errorf("delete header: %w", err)
+	}
+	return nil
+}
+
 // Helpers
 
 type scanner interface {